:root{--kh-bg:#f6f8fc;--kh-card:#fff;--kh-primary:#173b67;--kh-primary-2:#245b96;--kh-accent:#c7a24b;--kh-text:#172033;--kh-muted:#6f7b8f;--kh-border:#e3e9f2;--kh-sidebar:#0f2f54;--kh-primary-dark:#0d2747;--kh-focus:#88a8cd;--kh-danger:#b42318;--kh-shadow:0 18px 50px rgba(25,48,83,.10);font-family:"Tahoma","Arial",sans-serif}*{box-sizing:border-box}html{background:var(--kh-bg)}body.kh-app-body{margin:0;background:var(--kh-bg);color:var(--kh-text);direction:rtl}a{color:inherit;text-decoration:none}.kh-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer}.kh-button-primary{background:var(--kh-primary);color:#fff}.kh-button-primary:hover{background:var(--kh-primary-2)}.kh-button-ghost{background:#fff;border-color:var(--kh-border)}.kh-button-small{min-height:38px;padding:0 16px}.kh-button-block{width:100%}.kh-eyebrow{display:inline-block;font-size:.82rem;font-weight:800;color:var(--kh-primary-2);margin-bottom:8px}.kh-auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top right,#e9f0fb 0,transparent 35%),var(--kh-bg)}.kh-auth-card{width:min(440px,100%);background:var(--kh-card);border:1px solid var(--kh-border);border-radius:24px;padding:34px;box-shadow:var(--kh-shadow)}.kh-brand-mark{width:64px;height:64px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;background:var(--kh-primary);color:#fff;font-size:2rem;font-weight:900;box-shadow:0 12px 25px rgba(23,59,103,.24)}.kh-brand-copy{text-align:center;margin-bottom:26px}.kh-brand-copy h1,.kh-auth-card h1{margin:0;font-size:2rem;text-align:center}.kh-brand-copy p{margin:6px 0 0;color:var(--kh-muted)}.kh-form{display:grid;gap:10px}.kh-form label{font-size:.9rem;font-weight:700;margin-top:4px}.kh-form input[type=text],.kh-form input[type=password]{width:100%;height:48px;border:1px solid var(--kh-border);border-radius:12px;padding:0 14px;background:#fff;font-size:1rem;outline:none}.kh-form input:focus{border-color:var(--kh-focus);box-shadow:0 0 0 4px color-mix(in srgb,var(--kh-primary) 8%,transparent)}.kh-password-wrap{position:relative}.kh-password-wrap input{padding-left:70px!important}.kh-text-button{position:absolute;left:8px;top:7px;border:0;background:transparent;color:var(--kh-primary);font-weight:800;height:34px;cursor:pointer}.kh-checkbox{display:flex!important;gap:8px;align-items:center;font-weight:500!important;margin:3px 0 8px}.kh-alert{padding:13px 14px;border-radius:12px;background:#eef4fb;color:var(--kh-primary);margin:18px 0;line-height:1.7}.kh-alert-error{background:#fff1f0;color:var(--kh-danger);border:1px solid #ffd5d2}.kh-auth-links{text-align:center;margin-top:18px;color:var(--kh-primary);font-weight:700}.kh-public-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,6vw,90px);background:#fff;border-bottom:1px solid var(--kh-border);position:sticky;top:0;z-index:20}.kh-public-brand{display:flex;align-items:center;gap:10px;font-size:1.2rem}.kh-public-brand span{width:38px;height:38px;border-radius:12px;background:var(--kh-primary);color:#fff;display:grid;place-items:center;font-weight:900}.kh-public-header nav{display:flex;gap:24px;align-items:center}.kh-hero{min-height:520px;padding:70px clamp(24px,8vw,120px);display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px}.kh-hero h1{font-size:clamp(2.4rem,6vw,5rem);line-height:1.05;margin:8px 0 18px;color:var(--kh-primary)}.kh-hero p{font-size:1.15rem;color:var(--kh-muted);max-width:650px;line-height:1.9}.kh-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.kh-hero-math{height:330px;border-radius:40px;background:linear-gradient(145deg,var(--kh-primary),var(--kh-primary-dark));color:rgba(255,255,255,.9);display:grid;place-items:center;font-size:clamp(2.2rem,5vw,4rem);font-weight:900;letter-spacing:12px;box-shadow:var(--kh-shadow)}.kh-public-section{max-width:1100px;margin:0 auto 24px;background:#fff;border:1px solid var(--kh-border);border-radius:22px;padding:34px}.kh-public-section h2{color:var(--kh-primary);margin-top:0}.kh-public-section p{color:var(--kh-muted);line-height:1.9}.kh-dashboard-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}.kh-sidebar{background:var(--kh-sidebar);color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh}.kh-sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 8px}.kh-sidebar-brand>span{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#fff;color:var(--kh-primary);font-size:1.5rem;font-weight:900}.kh-sidebar-brand div{display:grid}.kh-sidebar-brand small{opacity:.66;margin-top:3px}.kh-sidebar-nav{display:grid;gap:8px}.kh-sidebar-nav a,.kh-sidebar-nav span{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:11px;color:rgba(255,255,255,.86)}.kh-sidebar-nav a.is-active{background:rgba(255,255,255,.12);color:#fff;font-weight:800}.kh-sidebar-nav span{opacity:.62}.kh-sidebar-nav em{font-style:normal;font-size:.7rem;background:rgba(255,255,255,.12);padding:3px 6px;border-radius:999px}.kh-sidebar-logout{margin-top:auto;padding:13px 14px;border-radius:11px;background:rgba(255,255,255,.08)}.kh-dashboard-main{min-width:0}.kh-dashboard-topbar{height:76px;background:#fff;border-bottom:1px solid var(--kh-border);padding:0 28px;display:flex;align-items:center;justify-content:flex-start;gap:12px}.kh-dashboard-topbar>div{display:grid}.kh-dashboard-topbar small{color:var(--kh-muted);margin-top:2px}.kh-menu-button{display:none;border:1px solid var(--kh-border);background:#fff;border-radius:10px;width:42px;height:42px;font-size:1.2rem}.kh-dashboard-content{padding:32px}.kh-page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px}.kh-page-heading h1{margin:0 0 8px;font-size:2rem}.kh-page-heading p{margin:0;color:var(--kh-muted)}.kh-status-pill{background:#eaf4ef;color:#237a4b;border:1px solid #d5eadf;border-radius:999px;padding:8px 12px;font-weight:700;font-size:.82rem}.kh-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.kh-stat-card,.kh-panel{background:#fff;border:1px solid var(--kh-border);border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(25,48,83,.04)}.kh-stat-card{display:grid;gap:8px}.kh-stat-card span{color:var(--kh-muted);font-weight:700}.kh-stat-card strong{font-size:2rem;color:var(--kh-primary)}.kh-stat-card small{color:var(--kh-muted)}.kh-panel{margin-top:20px}.kh-panel h2{margin-top:0}.kh-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.kh-check-grid span{padding:12px 14px;border-radius:12px;background:#f7f9fc;color:#36506e}.kh-check-grid span::first-letter{color:#24814f}@media(max-width:900px){.kh-public-header nav>a:not(.kh-button){display:none}.kh-hero{grid-template-columns:1fr;min-height:auto}.kh-hero-math{height:220px}.kh-dashboard-shell{display:block}.kh-sidebar{position:fixed;right:-290px;width:270px;z-index:60;transition:right .2s ease;box-shadow:var(--kh-shadow)}.kh-sidebar.is-open{right:0}.kh-menu-button{display:block}.kh-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-dashboard-content{padding:20px}.kh-check-grid{grid-template-columns:1fr}}@media(max-width:560px){.kh-auth-card{padding:26px 20px;border-radius:20px}.kh-public-header{padding:0 16px}.kh-stats-grid{grid-template-columns:1fr}.kh-page-heading{display:grid}.kh-hero{padding:48px 20px}.kh-public-section{margin:0 16px 18px;padding:24px}.kh-dashboard-topbar{padding:0 16px}.kh-dashboard-content{padding:16px}}
/* v0.2.0 — الطلاب والتسجيل */
.kh-auth-card-wide{width:min(700px,100%)}.kh-auth-back{display:inline-flex;margin-bottom:12px;color:var(--kh-muted);font-size:.88rem}.kh-required{color:var(--kh-danger)}.kh-optional{font-size:.72rem;color:var(--kh-muted);font-weight:500;margin-right:4px}.kh-field-help{display:block;color:var(--kh-muted);margin-top:-3px;margin-bottom:5px;line-height:1.6}.kh-form input[type=email],.kh-form input[type=tel],.kh-form input[type=search],.kh-form input[type=number],.kh-search-form input[type=search],.kh-decision-form input[type=text]{width:100%;height:48px;border:1px solid var(--kh-border);border-radius:12px;padding:0 14px;background:#fff;font-size:1rem;outline:none}.kh-form input:focus,.kh-search-form input:focus,.kh-decision-form input:focus{border-color:var(--kh-focus);box-shadow:0 0 0 4px color-mix(in srgb,var(--kh-primary) 8%,transparent)}.kh-form-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.kh-form-grid-2>div{display:grid;gap:8px}.kh-admin-form{gap:18px}.kh-form-actions{display:flex;justify-content:flex-start;gap:10px}.kh-alert-success{background:#edf9f2;color:#17663c;border:1px solid #ccebd9}.kh-nav-badge{font-size:.72rem;min-width:24px;height:24px;padding:0 7px;border-radius:999px;background:#fff;color:var(--kh-primary);display:inline-grid;place-items:center;margin-right:auto}.kh-page-intro{color:var(--kh-muted);margin-top:-10px;margin-bottom:20px}.kh-status-badge{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:800;border:1px solid transparent}.kh-status-active{background:#eaf7ef;color:#1e7546;border-color:#cfe9da}.kh-status-pending{background:#fff7df;color:#87650b;border-color:#f0dfab}.kh-status-suspended{background:#fff0e6;color:#a14915;border-color:#f2d0ba}.kh-status-rejected{background:#fff0ef;color:#a82a21;border-color:#f2cfcc}.kh-state-card{max-width:780px;margin:40px auto;background:#fff;border:1px solid var(--kh-border);border-radius:24px;padding:42px;text-align:center;box-shadow:var(--kh-shadow)}.kh-state-icon{width:72px;height:72px;margin:0 auto 18px;border-radius:22px;display:grid;place-items:center;font-size:2rem;font-weight:900}.kh-state-card h2{margin:0 0 12px;color:var(--kh-primary)}.kh-state-card p{margin:0 auto 12px;max-width:650px;line-height:1.9;color:var(--kh-muted)}.kh-state-card small{color:var(--kh-muted)}.kh-state-pending .kh-state-icon{background:#fff6d9;color:#9a7311}.kh-state-rejected .kh-state-icon{background:#fff0ef;color:#b42318}.kh-state-suspended .kh-state-icon{background:#fff0e6;color:#a14915}.kh-inline-link{color:var(--kh-primary-2);font-weight:800}.kh-panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}.kh-panel-heading h2{margin:0 0 6px}.kh-panel-heading p{margin:0;color:var(--kh-muted)}.kh-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.kh-action-card{border:1px solid var(--kh-border);border-radius:16px;padding:18px;display:grid;gap:7px;background:#fbfcfe;transition:.15s ease}.kh-action-card:not(.is-muted):hover{transform:translateY(-1px);border-color:#b9cbe0;background:#f7faff}.kh-action-card strong{color:var(--kh-primary)}.kh-action-card span{color:var(--kh-muted);line-height:1.6}.kh-action-card.is-muted{opacity:.65}.kh-collapsible-panel{overflow:hidden;max-height:6000px;opacity:1;transition:max-height .22s ease,opacity .18s ease,padding .22s ease,margin .22s ease}.kh-collapsible-panel.is-collapsed{max-height:0;opacity:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;border-width:0}.kh-icon-button{width:38px;height:38px;border:1px solid var(--kh-border);border-radius:10px;background:#fff;cursor:pointer;font-size:1.35rem;color:var(--kh-muted)}.kh-panel-flush{padding:0;overflow:hidden}.kh-toolbar{padding:18px 20px;border-bottom:1px solid var(--kh-border);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.kh-search-form{display:flex;align-items:center;gap:8px;min-width:min(420px,100%)}.kh-search-form input{height:42px!important;min-width:270px}.kh-filter-tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.kh-filter-tabs a{padding:8px 11px;border-radius:10px;color:var(--kh-muted);font-size:.85rem;font-weight:700}.kh-filter-tabs a.is-active{background:#eaf0f8;color:var(--kh-primary)}.kh-table-wrap{width:100%;overflow-x:auto}.kh-table{width:100%;border-collapse:collapse;min-width:920px}.kh-table th,.kh-table td{text-align:right;padding:15px 18px;border-bottom:1px solid var(--kh-border);vertical-align:middle}.kh-table th{font-size:.8rem;color:var(--kh-muted);background:#fafbfd;font-weight:800}.kh-table tbody tr:hover{background:#fcfdff}.kh-table td{font-size:.9rem}.kh-table-sub{display:block;margin-top:5px;color:var(--kh-muted);font-weight:400}.kh-muted{color:var(--kh-muted)}.kh-empty-state{text-align:center;color:var(--kh-muted);padding:34px}.kh-inline-form{display:inline}.kh-link-button{border:0;background:transparent;padding:5px 0;color:var(--kh-primary-2);font-weight:800;cursor:pointer}.kh-link-danger{color:var(--kh-danger)}.kh-button-success{background:#217a4a;color:#fff}.kh-button-success:hover{background:#19643c}.kh-button-danger{background:#b42318;color:#fff}.kh-button-danger:hover{background:#941b13}.kh-decision-form{display:grid;gap:8px;min-width:230px}.kh-decision-form input[type=text]{height:38px;font-size:.86rem}.kh-decision-buttons{display:flex;gap:7px}.kh-decision-result{display:grid;gap:5px;color:var(--kh-muted)}.kh-decision-result small{max-width:260px;line-height:1.5}.kh-request-actions{min-width:260px}
@media(max-width:900px){.kh-form-grid-2,.kh-action-grid{grid-template-columns:1fr}.kh-toolbar{align-items:stretch}.kh-search-form{min-width:100%}.kh-search-form input{min-width:0}.kh-filter-tabs{width:100%}.kh-state-card{margin:20px auto;padding:28px 20px}}
@media(max-width:560px){.kh-search-form{display:grid;grid-template-columns:1fr auto}.kh-auth-card-wide{padding:24px 18px}.kh-state-card{border-radius:18px}.kh-page-heading .kh-button{width:100%}}
/* v0.3.0 — الدروس والمحتوى */
.kh-form select,.kh-form textarea{width:100%;border:1px solid var(--kh-border);border-radius:12px;padding:12px 14px;background:#fff;font-size:1rem;outline:none;font-family:inherit}.kh-form select{height:48px}.kh-form textarea{resize:vertical;line-height:1.7}.kh-form select:focus,.kh-form textarea:focus{border-color:var(--kh-focus);box-shadow:0 0 0 4px color-mix(in srgb,var(--kh-primary) 8%,transparent)}.kh-actions-cell{white-space:nowrap}.kh-lessons-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.kh-lesson-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--kh-border);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(25,48,83,.06);transition:.18s ease}.kh-lesson-card:hover{transform:translateY(-2px);border-color:#bfd0e5;box-shadow:var(--kh-shadow)}.kh-lesson-card-icon{height:120px;display:grid;place-items:center;background:linear-gradient(135deg,#163b68,#285e96);color:#fff;font-size:1.5rem;font-weight:900;letter-spacing:.5px}.kh-lesson-card-body{padding:18px;display:grid;gap:10px;flex:1}.kh-lesson-card h2{font-size:1.1rem;margin:0;color:var(--kh-primary)}.kh-lesson-card p{margin:0;color:var(--kh-muted);line-height:1.7;font-size:.9rem}.kh-lesson-meta{display:flex;gap:7px;flex-wrap:wrap}.kh-lesson-meta span{font-size:.72rem;padding:5px 8px;border-radius:999px;background:#eef4fb;color:#315f8d}.kh-lesson-card-footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--kh-muted);font-size:.8rem}.kh-lesson-description p{margin:0;line-height:1.9;color:#44536a}.kh-protected-media{position:relative;overflow:hidden;border-radius:18px;background:#0c1625;user-select:none;-webkit-user-select:none}.kh-protected-media iframe{display:block;width:100%;border:0;background:#111}.kh-video-frame iframe{aspect-ratio:16/9;min-height:420px}.kh-pdf-frame iframe{height:min(78vh,900px);min-height:620px;background:#fff}.kh-dynamic-watermark{position:absolute;z-index:5;pointer-events:none;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.12);color:rgba(255,255,255,.62);font-weight:800;font-size:clamp(.78rem,1.3vw,1.05rem);text-shadow:0 1px 2px rgba(0,0,0,.55);backdrop-filter:blur(1px);transition:top .45s ease,right .45s ease,bottom .45s ease,left .45s ease;white-space:nowrap}.kh-pdf-frame .kh-dynamic-watermark{background:rgba(18,59,103,.08);color:rgba(18,59,103,.45);text-shadow:none}.kh-lesson-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:22px}.kh-lesson-actions form{margin:0}.kh-state-card .kh-button{margin-top:12px}
@media(max-width:1100px){.kh-lessons-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.kh-lessons-grid{grid-template-columns:1fr}.kh-video-frame iframe{min-height:240px}.kh-pdf-frame iframe{min-height:520px;height:70vh}.kh-lesson-actions{flex-direction:column-reverse;align-items:stretch}.kh-lesson-actions .kh-button,.kh-lesson-actions form,.kh-lesson-actions form button{width:100%}}
/* v0.4.0 — الدورات وربط الدروس والاختبارات بها */
.kh-form input[type=datetime-local]{width:100%;height:48px;border:1px solid var(--kh-border);border-radius:12px;padding:0 14px;background:#fff;font-size:1rem;outline:none;font-family:inherit}.kh-form input[type=datetime-local]:focus{border-color:var(--kh-focus);box-shadow:0 0 0 4px color-mix(in srgb,var(--kh-primary) 8%,transparent)}.kh-courses-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.kh-course-card{background:#fff;border:1px solid var(--kh-border);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(25,48,83,.06);display:flex;flex-direction:column;min-height:260px;transition:.18s ease}.kh-course-card:hover{transform:translateY(-2px);border-color:#bfd0e5;box-shadow:var(--kh-shadow)}.kh-course-card-top{display:flex;justify-content:space-between;align-items:center;padding:16px 18px 0}.kh-course-order{font-size:.75rem;color:var(--kh-muted)}.kh-course-card-body{padding:18px;display:grid;gap:12px;flex:1}.kh-course-card-body h2{margin:0;color:var(--kh-primary);font-size:1.25rem}.kh-course-card-body p{margin:0;color:var(--kh-muted);line-height:1.8;font-size:.9rem}.kh-course-stats{display:flex;gap:8px;flex-wrap:wrap}.kh-course-stats span{background:#f1f5fa;border-radius:999px;padding:6px 10px;color:#50647d;font-size:.78rem}.kh-course-stats strong{color:var(--kh-primary);font-size:.95rem;margin-left:3px}.kh-course-card-actions{padding:0 18px 18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.kh-course-cover{height:120px;display:grid;place-items:center;background:linear-gradient(135deg,#173b67,#2d649d);color:#fff;font-size:2.4rem;font-weight:900}.kh-progress{height:8px;background:#e9eef5;border-radius:999px;overflow:hidden}.kh-progress span{display:block;height:100%;background:#2b7b55;border-radius:999px}.kh-empty-block{margin-top:20px}.kh-course-tabs{display:flex;gap:8px;margin:0 0 22px;border-bottom:1px solid var(--kh-border);padding-bottom:8px;overflow-x:auto}.kh-course-tabs a{padding:10px 16px;border-radius:10px;color:var(--kh-muted);font-weight:800;white-space:nowrap}.kh-course-tabs a.is-active{background:#eaf0f8;color:var(--kh-primary)}.kh-page-heading-compact{margin:8px 0 16px;align-items:center}.kh-page-heading-compact h2{margin:0 0 6px}.kh-stats-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:760px;margin-bottom:22px}.kh-section-gap{margin-top:34px}.kh-exams-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.kh-exam-preview-card{background:#fff;border:1px solid var(--kh-border);border-radius:18px;padding:20px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.kh-exam-preview-card h3{margin:2px 0 8px;color:var(--kh-primary)}.kh-exam-preview-card p{margin:0;color:var(--kh-muted);line-height:1.7;font-size:.88rem}.kh-check-row{display:flex!important;align-items:center}.kh-check-row label{display:flex;align-items:center;gap:8px;margin:0}.kh-check-row input{width:18px;height:18px}.kh-timed-hidden{display:none!important}
@media(max-width:1100px){.kh-courses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.kh-courses-grid,.kh-exams-preview-grid{grid-template-columns:1fr}.kh-course-card-actions .kh-button{flex:1}.kh-stats-grid-2{grid-template-columns:1fr}.kh-exam-preview-card{display:grid}.kh-page-heading-compact{display:grid}}
/* v0.5.0 — عارض الخفاجي المستقل وبوابة التخزين الخلفية */
.kh-native-video{display:block;width:100%;aspect-ratio:16/9;min-height:420px;background:#05080d;object-fit:contain}.kh-platform-pdf iframe{display:block;width:100%;height:min(78vh,900px);min-height:620px;border:0;background:#fff}.kh-storage-connected{padding:16px 18px;border:1px solid #cfe6d8;background:#f2faf5;border-radius:14px;margin-bottom:16px;line-height:1.8}.kh-storage-connected code{display:inline-block;direction:ltr;margin:0 8px;padding:4px 8px;border-radius:8px;background:#e7f3eb;color:#174f32}.kh-storage-form{max-width:900px}.kh-form-divider{text-align:center;color:var(--kh-muted);font-weight:800;margin:4px 0}.kh-form-help{color:var(--kh-muted);font-size:.86rem;line-height:1.7}.kh-alert-warning{background:#fff8e5;border:1px solid #eedaa4;color:#7a5a09}
@media(max-width:720px){.kh-native-video{min-height:230px}.kh-platform-pdf iframe{min-height:540px;height:72vh}}
/* v0.5.1 — وضع Drive العام: مشغلات الخفاجي بدون عارض Google أو API */
.kh-native-video{background:#05080d;border-radius:18px;outline:none}
.kh-native-video::-webkit-media-controls-enclosure{border-radius:14px}
.kh-platform-pdf{background:#eef2f7}
.kh-platform-pdf iframe{background:#fff;border-radius:16px}

/* v0.5.4 — عارض PDF مستقل داخل الخفاجي، بدون عارض PDF الخاص بالمتصفح. */
.kh-pdf-viewer{border:1px solid var(--kh-border);border-radius:18px;overflow:hidden;background:#e9eef5;box-shadow:0 8px 28px rgba(25,48,83,.06)}
.kh-pdf-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 12px;background:#fff;border-bottom:1px solid var(--kh-border);position:relative;z-index:7}
.kh-pdf-toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.kh-pdf-tool{border:1px solid #d4dfec;background:#f8fbff;color:var(--kh-primary);border-radius:10px;min-height:38px;padding:7px 12px;font:inherit;font-weight:800;cursor:pointer;transition:.15s ease}
.kh-pdf-tool:hover{background:#eef5fd;border-color:#b8cee5}.kh-pdf-tool:disabled{opacity:.4;cursor:not-allowed}.kh-pdf-tool-icon{width:40px;padding:6px;font-size:1.2rem}
.kh-pdf-page-indicator{display:flex;align-items:center;gap:6px;color:#52627a;font-size:.88rem;white-space:nowrap}.kh-pdf-page-indicator input{width:58px;height:38px;border:1px solid #d4dfec;border-radius:9px;text-align:center;font:inherit;background:#fff;color:var(--kh-primary);font-weight:800}
.kh-pdf-zoom-label{min-width:52px;text-align:center;color:#52627a;font-size:.84rem;font-weight:800}
.kh-pdf-canvas-stage{position:relative;min-height:560px;display:flex;align-items:flex-start;justify-content:center;padding:16px;overflow:auto;background:#dfe5ec;border-radius:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.kh-pdf-canvas{display:block;max-width:none;background:#fff;box-shadow:0 4px 18px rgba(18,38,63,.16);border-radius:2px}
.kh-pdf-loading{position:absolute;inset:0;display:grid;place-items:center;z-index:4;color:#36526f;font-weight:800;background:rgba(238,243,248,.92)}
.kh-pdf-loading[hidden]{display:none}.kh-pdf-error{padding:14px 16px;background:#fff2f0;color:#9b2d22;border-top:1px solid #f2c8c1;line-height:1.7}.kh-pdf-error[hidden]{display:none}
.kh-pdf-viewer:fullscreen{background:#dfe5ec;display:flex;flex-direction:column;width:100vw;height:100vh}.kh-pdf-viewer:fullscreen .kh-pdf-canvas-stage{flex:1;min-height:0}
.kh-pdf-canvas-stage .kh-dynamic-watermark{background:rgba(18,59,103,.09);color:rgba(18,59,103,.45);text-shadow:none;z-index:6}
@media(max-width:720px){.kh-pdf-toolbar{justify-content:center;padding:9px 8px}.kh-pdf-toolbar-group{justify-content:center}.kh-pdf-tool{padding:7px 9px;min-height:36px;font-size:.82rem}.kh-pdf-tool-icon{width:36px;font-size:1.05rem}.kh-pdf-page-indicator{font-size:.78rem}.kh-pdf-page-indicator input{width:48px;height:36px}.kh-pdf-canvas-stage{min-height:62vh;padding:8px}.kh-pdf-zoom-label{font-size:.78rem;min-width:46px}}

/* v0.6.1 — بنك الأسئلة والبنوك الفرعية */
.kh-heading-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.kh-alert-success{background:#edf8f1;border:1px solid #cde8d6;color:#17623a}.kh-bank-overview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0 24px}.kh-bank-card{background:#fff;border:1px solid var(--kh-border);border-radius:18px;min-height:150px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 8px 26px rgba(25,48,83,.05)}.kh-bank-card.is-selected{border-color:#7fa5d0;box-shadow:0 0 0 3px rgba(36,91,150,.08)}.kh-bank-card-main{padding:18px;display:grid;gap:7px;flex:1}.kh-bank-icon{width:38px;height:38px;border-radius:12px;background:#eaf0f8;color:var(--kh-primary);display:grid;place-items:center;font-weight:900}.kh-bank-card strong{color:var(--kh-primary);font-size:1rem}.kh-bank-card small,.kh-bank-parent{color:var(--kh-muted);font-size:.78rem}.kh-bank-actions{border-top:1px solid var(--kh-border);padding:9px 14px;display:flex;align-items:center;gap:12px;font-size:.8rem}.kh-bank-actions form{margin:0}.kh-subheading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:12px 0 8px}.kh-subheading small{color:var(--kh-muted)}.kh-choice-list{display:grid;gap:10px}.kh-choice-row{display:grid;grid-template-columns:95px minmax(0,1fr) minmax(180px,.45fr);gap:10px;align-items:center;padding:12px;border:1px solid var(--kh-border);border-radius:14px;background:#fbfcfe}.kh-choice-row textarea{min-height:70px}.kh-choice-row input[type=file]{max-width:100%}.kh-choice-correct{display:flex!important;gap:7px;align-items:center;margin:0!important}.kh-choice-correct input{width:18px;height:18px}.kh-choice-thumb,.kh-image-preview{display:flex;align-items:center;gap:10px;margin-top:8px}.kh-choice-thumb img,.kh-image-preview img{max-width:110px;max-height:80px;border-radius:9px;border:1px solid var(--kh-border);object-fit:contain;background:#fff}.kh-choice-thumb label,.kh-image-preview label{font-weight:500!important;font-size:.8rem!important}.kh-radio-inline{display:flex;gap:20px;align-items:center;padding:12px 0}.kh-radio-inline label{display:flex;align-items:center;gap:7px;margin:0!important}.kh-radio-inline input{width:18px;height:18px}.kh-bank-checks{display:flex;gap:8px;flex-wrap:wrap;padding:10px 0}.kh-bank-checks label{display:flex!important;gap:7px;align-items:center;margin:0!important;padding:8px 11px;border:1px solid var(--kh-border);border-radius:999px;background:#fff;font-weight:600!important}.kh-bank-checks input{width:17px;height:17px}.kh-optional-details{border:1px solid var(--kh-border);border-radius:14px;background:#fbfcfe}.kh-optional-details summary{cursor:pointer;padding:14px 16px;color:var(--kh-primary);font-weight:800}.kh-details-inner{padding:0 16px 16px}.kh-import-selector{padding-bottom:18px;border-bottom:1px solid var(--kh-border)}.kh-import-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:16px 0 8px}.kh-import-head label{display:flex;align-items:center;gap:7px;margin:0!important}.kh-import-list{display:grid;gap:8px;max-height:430px;overflow:auto;padding:4px}.kh-import-item{display:grid!important;grid-template-columns:auto 1fr;gap:10px;align-items:flex-start;margin:0!important;padding:12px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;font-weight:500!important}.kh-import-item input{width:18px;height:18px;margin-top:2px}.kh-import-item span{display:grid;gap:4px}.kh-import-item small{color:var(--kh-muted)}.kh-question-filters{flex-wrap:wrap;min-width:0}.kh-question-filters select{height:42px;border:1px solid var(--kh-border);border-radius:10px;background:#fff;padding:0 10px;font-family:inherit}.kh-toolbar-note{color:var(--kh-muted)}.kh-toolbar-note strong{color:var(--kh-primary);font-size:1.1rem}.kh-status-badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:.72rem;font-weight:800}.kh-status-badge.is-active{background:#edf8f1;color:#17623a}.kh-status-badge.is-muted{background:#f0f2f5;color:#6e7786}.kh-pagination{display:flex;gap:6px;padding:16px 18px;justify-content:center}.kh-pagination a{width:36px;height:36px;border:1px solid var(--kh-border);border-radius:10px;display:grid;place-items:center;background:#fff}.kh-pagination a.is-active{background:var(--kh-primary);color:#fff;border-color:var(--kh-primary)}.kh-form input[type=number],.kh-form input[type=search],.kh-form input[type=file]{width:100%;min-height:48px;border:1px solid var(--kh-border);border-radius:12px;padding:10px 14px;background:#fff;font-size:1rem;outline:none;font-family:inherit}.kh-form input[type=file]{padding:9px}.kh-questions-table{min-width:980px}
@media(max-width:1180px){.kh-bank-overview{grid-template-columns:repeat(3,minmax(0,1fr))}.kh-choice-row{grid-template-columns:90px 1fr}}
@media(max-width:800px){.kh-bank-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-heading-actions{width:100%}.kh-heading-actions .kh-button{flex:1}.kh-choice-row{grid-template-columns:1fr}.kh-choice-correct{order:-1}.kh-question-filters{display:grid;grid-template-columns:1fr 1fr;width:100%}.kh-question-filters input[type=search]{grid-column:1/-1}.kh-toolbar-note{width:100%}}
@media(max-width:520px){.kh-bank-overview{grid-template-columns:1fr}.kh-question-filters{grid-template-columns:1fr}.kh-question-filters input[type=search]{grid-column:auto}.kh-heading-actions{display:grid;grid-template-columns:1fr}.kh-heading-actions .kh-button{width:100%}.kh-import-head{display:grid}.kh-bank-checks{display:grid}.kh-bank-checks label{border-radius:12px}.kh-subheading{display:grid}}

/* v0.6.1 — إدارة ديناميكية للاختيارات */
.kh-choice-heading{align-items:center}.kh-choice-heading>div{display:grid;gap:3px}.kh-button-small{min-height:38px!important;padding:7px 12px!important;font-size:.82rem!important}.kh-choice-actions{display:grid;gap:7px;min-width:0}.kh-choice-remove{border:0;background:transparent;color:#b42318;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer;text-align:right;padding:3px 2px}.kh-choice-remove:hover{text-decoration:underline}.kh-choice-remove:disabled{color:#a6acb5;cursor:not-allowed;text-decoration:none}.kh-choice-actions input[type=file]{min-width:0;width:100%}
@media(max-width:800px){.kh-choice-heading{align-items:stretch;flex-direction:column}.kh-choice-heading .kh-button{width:100%}.kh-choice-actions{width:100%}}

/* v0.7.0 — إدارة أسئلة الاختبار وواجهة الحل */
.kh-exam-question-manager{margin:22px 0}.kh-exam-bank-filter{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end;margin:18px 0;padding:16px;border:1px solid #e2e8f0;border-radius:18px;background:#f8fafc}.kh-exam-question-summary{display:flex;justify-content:space-between;gap:14px;align-items:center;margin:12px 0}.kh-exam-question-list{display:grid;gap:10px;max-height:620px;overflow:auto;padding:4px}.kh-exam-question-select{display:grid;grid-template-columns:auto auto 1fr auto;gap:12px;align-items:center;padding:14px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;cursor:pointer}.kh-exam-question-select:has(input:checked),.kh-exam-question-select.is-selected{border-color:#9db8da;background:#f1f6fc}.kh-exam-q-id{font-weight:800;color:#173f70}.kh-exam-q-text{line-height:1.7}.kh-exam-question-select small{color:#64748b}.kh-exams-list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.kh-exam-list-card{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px;border:1px solid #dfe7f0;border-radius:22px;background:#fff;box-shadow:0 10px 30px rgba(15,23,42,.04)}.kh-exam-list-actions,.kh-exam-preview-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.kh-exam-start-card{max-width:980px;margin:auto}.kh-exam-start-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.kh-exam-start-stats>div{padding:18px;border:1px solid #e2e8f0;border-radius:16px;background:#f8fafc}.kh-exam-start-stats span{display:block;color:#64748b;font-size:.9rem}.kh-exam-start-stats strong{display:block;margin-top:8px;color:#123b68}.kh-exam-instructions{margin:22px 0;line-height:1.9}.kh-warning-text{padding:12px 16px;border-radius:14px;background:#fff7e2;color:#8a5a00}.kh-button-large{padding:14px 30px;font-size:1.06rem}
.kh-exam-result-hero{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.kh-exam-result-hero>div{text-align:center;padding:20px;border-radius:18px;background:#f8fafc}.kh-exam-result-hero span{display:block;color:#64748b}.kh-exam-result-hero strong{display:block;margin-top:8px;font-size:1.8rem;color:#153e6d}.kh-result-question-list{display:grid;gap:16px}.kh-result-question{padding:18px;border:1px solid #e2e8f0;border-radius:18px}.kh-result-question.is-correct{border-right:5px solid #21864f}.kh-result-question.is-wrong{border-right:5px solid #c53025}.kh-result-q-head{display:flex;justify-content:space-between;margin-bottom:12px}.kh-answer-explanation{margin-top:14px;padding:14px;background:#f8fafc;border-radius:14px}
.kh-exam-page{position:relative}.kh-exam-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.kh-exam-topline h1{margin:.2rem 0}.kh-exam-clock{min-width:170px;text-align:center;padding:12px 18px;border-radius:18px;background:#eef5fc;border:1px solid #d3e1f0}.kh-exam-clock span{display:block;color:#64748b;font-size:.85rem}.kh-exam-clock strong{display:block;font-size:1.55rem;color:#123b68;font-variant-numeric:tabular-nums}.kh-exam-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:18px;direction:ltr}.kh-exam-sidebar-panel,.kh-exam-question-stage{direction:rtl}.kh-exam-sidebar-panel{position:sticky;top:12px;align-self:start;padding:18px;background:#edf4fb;border:1px solid #d7e3ef;border-radius:20px}.kh-exam-student-mini{padding-bottom:12px;border-bottom:1px solid #d4e0ec}.kh-exam-student-mini strong,.kh-exam-student-mini small{display:block}.kh-exam-student-mini small{color:#64748b;margin-top:4px}.kh-exam-counters{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:14px 0}.kh-exam-counters div{text-align:center;padding:8px 4px;border-radius:12px;background:#fff}.kh-exam-counters strong{display:block;font-size:1.25rem}.kh-exam-counters span{font-size:.68rem}.kh-exam-counters .is-green strong{color:#15803d}.kh-exam-counters .is-red strong{color:#c24134}.kh-exam-counters .is-orange strong{color:#c56a05}.kh-question-map{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:14px 0 18px}.kh-question-number{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border-radius:9px;text-decoration:none;font-weight:800;background:#8694a6;color:#fff}.kh-question-number.answered{background:#22a45a}.kh-question-number.review{background:#e87515}.kh-question-number.current{outline:3px solid #143f70;outline-offset:2px}.kh-button-danger{background:#b93228!important;color:#fff!important;border-color:#b93228!important}.kh-button-full{width:100%}.kh-mobile-question-map-toggle{display:none;width:100%;padding:9px;border:1px solid #cad8e6;background:#fff;border-radius:11px;color:#123b68;font-weight:700}.kh-exam-question-stage{position:relative;min-height:620px;padding:0;border:1px solid #dfe7f0;border-radius:20px;background:#fff;overflow:hidden}.kh-exam-stage-toolbar{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid #e2e8f0;background:#f8fafc}.kh-font-tools{display:flex;gap:6px;direction:ltr}.kh-font-tools button{min-width:44px;padding:7px 9px;border:1px solid #cdd9e5;border-radius:9px;background:#fff;color:#123b68;font-weight:800}.kh-exam-watermark{position:absolute;z-index:4;padding:8px 12px;border-radius:10px;background:rgba(18,59,104,.09);color:rgba(18,59,104,.43);font-weight:700;pointer-events:none;user-select:none}.kh-live-question{padding:44px 7% 24px;min-height:440px;transition:font-size .15s ease}.kh-live-question-text{font-size:1.22em;line-height:2;margin-bottom:24px}.kh-live-question-image{display:block;max-width:min(850px,100%);max-height:480px;object-fit:contain;margin:0 auto 24px;border-radius:14px}.kh-live-choices{display:grid;gap:12px}.kh-live-choice{display:flex;gap:12px;align-items:flex-start;padding:15px 18px;border:1px solid #dfe7f0;border-radius:15px;cursor:pointer;transition:.15s;background:#fff}.kh-live-choice:hover{background:#f7fbff;border-color:#b7cce2}.kh-live-choice:has(input:checked){background:#eef6ff;border-color:#6996c8;box-shadow:0 0 0 2px rgba(53,102,155,.08)}.kh-live-choice input{margin-top:6px;transform:scale(1.15)}.kh-live-choice span{flex:1;line-height:1.8}.kh-live-choice img{display:block;max-width:480px;max-height:260px;margin-top:8px;border-radius:10px}.kh-save-state{padding:0 7% 12px;color:#278052;font-size:.86rem}.kh-save-state.is-error{color:#c24134}.kh-exam-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;padding:18px;border-top:1px solid #e2e8f0}.kh-exam-navigation .kh-button:first-child{justify-self:start}.kh-exam-navigation .kh-button:last-child{justify-self:end}.kh-button-review{background:#fff6e6;color:#9a5b00;border:1px solid #f0c777}.kh-button-review.is-active{background:#e87515;color:#fff;border-color:#e87515}.is-disabled{opacity:.45;pointer-events:none}.kh-exam-lock-overlay{position:fixed;z-index:99999;inset:0;background:rgba(8,22,39,.88);display:flex;align-items:center;justify-content:center;padding:20px}.kh-exam-lock-overlay.is-hidden{display:none}.kh-exam-lock-overlay>div{width:min(520px,100%);padding:32px;text-align:center;background:#fff;border-radius:24px}.kh-lock-icon{font-size:3rem}.kh-exam-lock-overlay p{line-height:1.8;color:#64748b}
@media(max-width:900px){.kh-exam-bank-filter{grid-template-columns:1fr}.kh-exams-list-grid{grid-template-columns:1fr}.kh-exam-layout{grid-template-columns:1fr}.kh-exam-sidebar-panel{position:relative;top:auto}.kh-exam-start-stats{grid-template-columns:repeat(2,1fr)}.kh-exam-result-hero{grid-template-columns:1fr 1fr 1fr}.kh-mobile-question-map-toggle{display:block}.kh-question-map{display:none;grid-template-columns:repeat(8,1fr)}.kh-question-map.is-open{display:grid}.kh-exam-topline{align-items:flex-end}.kh-exam-question-stage{min-height:0}}
@media(max-width:600px){.kh-exam-topline{display:block}.kh-exam-clock{margin-top:10px;min-width:0}.kh-exam-start-stats{grid-template-columns:1fr 1fr}.kh-exam-result-hero{grid-template-columns:1fr}.kh-question-map{grid-template-columns:repeat(6,1fr)}.kh-live-question{padding:28px 16px 18px}.kh-live-question-text{font-size:1.08em}.kh-exam-stage-toolbar{padding:10px;flex-wrap:wrap;gap:8px}.kh-exam-navigation{grid-template-columns:1fr 1fr;gap:8px}.kh-exam-navigation .kh-button-review{grid-column:1/-1;grid-row:1}.kh-exam-navigation .kh-button{width:100%;justify-content:center!important}.kh-exam-question-select{grid-template-columns:auto 1fr}.kh-exam-question-select small{grid-column:2}.kh-exam-q-id{display:none}.kh-exam-list-card{display:block}.kh-exam-list-actions{margin-top:14px}.kh-exam-lock-overlay>div{padding:24px 18px}}

.kh-live-question:not(.is-active){display:none}.kh-question-number{border:0;cursor:pointer;font-family:inherit}.kh-live-question-deck{min-height:440px}


/* v0.7.1 — تحسين واجهة اختيارات بنك الأسئلة */
.kh-choice-list{gap:14px}
.kh-choice-row{display:block;padding:0;border:1px solid #dbe4ef;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 5px 18px rgba(20,55,90,.04)}
.kh-choice-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:#f7f9fc;border-bottom:1px solid var(--kh-border)}
.kh-choice-number{font-weight:900;color:var(--kh-primary);font-size:.9rem}
.kh-choice-correct{display:inline-flex!important;align-items:center;gap:8px;margin:0!important;padding:7px 11px;border:1px solid #cbd9e8;border-radius:999px;background:#fff;color:#42566f;font-weight:800!important;cursor:pointer}
.kh-choice-correct:has(input:checked){background:#eaf7ef;border-color:#a8d8ba;color:#17623a}
.kh-choice-correct input{width:18px!important;height:18px!important;accent-color:#1c7c4a}
.kh-choice-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,310px);gap:14px;padding:14px}
.kh-choice-text-wrap,.kh-choice-actions{display:grid;gap:7px;align-content:start}
.kh-choice-text-wrap>label,.kh-choice-file-label{margin:0!important;color:#34485f;font-size:.82rem!important;font-weight:800!important}
.kh-choice-text-wrap textarea{min-height:92px!important;margin:0}
.kh-choice-actions input[type=file]{min-height:46px!important;padding:7px!important;background:#fbfcfe}
.kh-choice-actions input[type=file]::file-selector-button{border:0;border-radius:9px;background:#edf3fa;color:var(--kh-primary);padding:8px 12px;margin-inline-end:10px;font:inherit;font-weight:800;cursor:pointer}
.kh-choice-thumb{margin-top:2px;padding:8px;border:1px dashed #d8e1ec;border-radius:10px;background:#fbfcfe;flex-wrap:wrap}
.kh-choice-footer{display:flex;justify-content:flex-start;padding:0 14px 12px}
.kh-choice-remove{display:inline-flex;align-items:center;justify-content:center;padding:7px 10px!important;border:1px solid #f2c5c0!important;border-radius:9px!important;background:#fff8f7!important;color:#b42318!important;text-decoration:none!important}
.kh-choice-remove:hover{background:#fff0ee!important}
.kh-choice-remove:disabled{border-color:#e4e7ec!important;background:#f7f8fa!important;color:#98a2b3!important}
@media(max-width:800px){.kh-choice-body{grid-template-columns:1fr}.kh-choice-topline{align-items:flex-start;flex-direction:column}.kh-choice-correct{width:100%;justify-content:flex-start}.kh-choice-footer{padding-bottom:14px}.kh-choice-remove{width:100%}}

/* v0.7.2 — مصدر أسئلة الاختبار: من البنك أو إنشاء مباشر */
.kh-exam-question-source-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.kh-exam-source-card{display:grid;gap:7px;padding:18px 20px;border:1px solid var(--kh-border);border-radius:16px;background:#fff;color:var(--kh-primary);box-shadow:0 7px 24px rgba(25,48,83,.04);transition:.18s ease}.kh-exam-source-card:hover{border-color:#9bb8d6;transform:translateY(-1px)}.kh-exam-source-card.is-active{border-color:#5f8fbe;background:#f1f6fb;box-shadow:0 0 0 3px rgba(36,91,150,.08)}.kh-exam-source-card strong{font-size:1.02rem}.kh-exam-source-card span{color:var(--kh-muted);font-size:.85rem;line-height:1.7}.kh-exam-source-content{border-top:1px solid var(--kh-border);padding-top:16px}.kh-empty-state-actions{display:grid;justify-items:center;gap:9px;padding:36px 18px!important}.kh-empty-state-actions strong{color:var(--kh-primary);font-size:1.05rem}.kh-empty-state-actions span{color:var(--kh-muted)}.kh-exam-new-question-form{max-width:none}.kh-exam-new-question-form .kh-choice-row{background:#fff}.kh-form-help{display:block;color:var(--kh-muted);margin-top:7px;font-size:.78rem}
@media(max-width:760px){.kh-exam-question-source-switch{grid-template-columns:1fr}.kh-exam-source-card{padding:15px 16px}.kh-exam-question-manager .kh-panel-heading{align-items:flex-start}.kh-exam-source-content .kh-subheading{align-items:flex-start;flex-direction:column}}

/* v0.8.0 — previews and reports */
.kh-question-preview-panel{margin-bottom:22px}.kh-question-preview-stage{position:relative;padding:30px;border:1px solid #dfe7f0;border-radius:20px;background:#f8fafc}.kh-question-preview-stage .kh-live-question-text{font-size:1.18rem}.kh-preview-choices{margin-top:18px}.kh-mini-preview-link{font-size:.82rem;color:#2b6aa6;text-decoration:none;font-weight:700;white-space:nowrap}.kh-mini-preview-link:hover{text-decoration:underline}.kh-exam-preview-page .kh-live-question{font-size:calc(1rem * var(--kh-question-scale,1))}.kh-exam-preview-page .kh-live-choice{cursor:default}.kh-exam-preview-page .kh-live-choice:hover{background:#fff;border-color:#dfe7f0}
.kh-report-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:14px;align-items:end;margin-bottom:20px}.kh-score-badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-weight:800;background:#fff2e8;color:#a74d13}.kh-score-badge.is-pass{background:#eaf8f0;color:#177647}.kh-attempt-detail-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.kh-attempt-detail-summary>div{padding:16px;border:1px solid #e2e8f0;border-radius:16px;background:#f8fafc;text-align:center}.kh-attempt-detail-summary span,.kh-attempt-detail-summary strong{display:block}.kh-attempt-detail-summary span{color:#64748b}.kh-attempt-detail-summary strong{margin-top:7px;color:#123b68;font-size:1.1rem}.kh-report-two-cols{display:grid;grid-template-columns:1.4fr .6fr;gap:18px}.kh-event-list{display:grid;gap:10px}.kh-event-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px;border:1px solid #e2e8f0;border-radius:13px;background:#fff}.kh-event-row strong,.kh-event-row small{display:block}.kh-event-row small{color:#64748b;margin-top:3px}.kh-event-row.is-violation{border-right:4px solid #c53025;background:#fff8f7}.kh-event-row>span{padding:4px 8px;border-radius:999px;background:#fde8e6;color:#b62f26;font-size:.8rem;font-weight:800}
@media(max-width:1000px){.kh-report-filters{grid-template-columns:1fr 1fr}.kh-report-two-cols{grid-template-columns:1fr}.kh-attempt-detail-summary{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.kh-report-filters{grid-template-columns:1fr}.kh-attempt-detail-summary{grid-template-columns:1fr 1fr}.kh-question-preview-stage{padding:18px}.kh-mini-preview-link{grid-column:2}}

/* v0.9.0 — قسم أخطائي ومراجعة الأخطاء */
.kh-mistake-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.kh-mistake-create-review{margin-top:18px}.kh-review-create-form{display:grid;grid-template-columns:minmax(220px,360px) auto;gap:14px;align-items:end}.kh-review-create-form label{display:grid;gap:7px}.kh-review-create-form select{min-height:46px}.kh-mistake-toolbar{display:grid;gap:16px;margin-bottom:18px}.kh-tabs-inline{display:flex;flex-wrap:wrap;gap:10px}.kh-tabs-inline a{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--kh-border);border-radius:12px;color:var(--kh-primary);font-weight:800;text-decoration:none;background:#fff}.kh-tabs-inline a.is-active{background:#eef5fc;border-color:#9bb8d6}.kh-tabs-inline b{display:inline-flex;min-width:24px;height:24px;align-items:center;justify-content:center;border-radius:999px;background:#e9eef5;font-size:.78rem}.kh-mistake-filters{display:grid;grid-template-columns:minmax(220px,1fr) minmax(180px,260px) auto;gap:10px}.kh-mistake-list{display:grid;gap:14px}.kh-mistake-card{padding:18px;border:1px solid #e0e7ef;border-right:5px solid #d96a43;border-radius:16px;background:#fff}.kh-mistake-card.is-mastered{border-right-color:#2c9a63;background:#fbfefc}.kh-mistake-card-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.kh-mistake-card-head strong{color:var(--kh-primary)}.kh-mistake-card-head span{padding:5px 9px;border-radius:999px;background:#fff1e9;color:#a64e25;font-size:.8rem;font-weight:800}.kh-mistake-card.is-mastered .kh-mistake-card-head span{background:#eaf8f0;color:#1a7048}.kh-mistake-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.kh-mistake-meta span{padding:6px 9px;border-radius:999px;background:#f3f6fa;color:#52677f;font-size:.8rem}.kh-mistake-review-layout{display:grid;grid-template-columns:minmax(220px,300px) minmax(0,1fr);gap:18px;align-items:start}.kh-mistake-review-side{position:sticky;top:20px}.kh-mistake-review-side>span,.kh-mistake-review-side>strong{display:block}.kh-mistake-review-side>span{color:var(--kh-muted)}.kh-mistake-review-side>strong{margin-top:5px;color:var(--kh-primary);font-size:1.35rem}.kh-review-progress{height:10px;margin:14px 0 18px;border-radius:999px;background:#edf2f7;overflow:hidden}.kh-review-progress i{display:block;height:100%;background:#2f8a5d}.kh-mistake-review-map{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.kh-mistake-review-map span{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border-radius:10px;background:#eef2f6;color:#5a6c80;font-weight:900}.kh-mistake-review-map span.is-current{background:#1d4e80;color:#fff}.kh-mistake-review-map span.is-mastered{background:#dff3e8;color:#167347}.kh-mistake-review-map span.is-wrong{background:#fde7e3;color:#b43d2f}.kh-mistake-question-stage{position:relative;overflow:hidden}.kh-mistake-watermark{position:absolute;z-index:3;left:8%;top:34%;padding:8px 12px;border-radius:10px;background:rgba(18,59,104,.08);color:rgba(18,59,104,.35);font-weight:800;pointer-events:none;user-select:none}.kh-mistake-answer-form{margin-top:18px}.kh-mistake-submit-row{display:flex;justify-content:flex-end;margin-top:18px}.kh-mistake-result-hero{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.kh-mistake-result-hero>div{padding:18px;border:1px solid #e2e8f0;border-radius:16px;background:#f8fafc;text-align:center}.kh-mistake-result-hero span,.kh-mistake-result-hero strong{display:block}.kh-mistake-result-hero span{color:#64748b}.kh-mistake-result-hero strong{margin-top:7px;color:#123b68;font-size:1.45rem}.kh-inline-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0}.kh-inline-actions form{margin:0}.kh-review-history{display:grid;gap:10px}.kh-review-history>div{display:grid;grid-template-columns:auto auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid #e2e8f0;border-radius:13px;background:#fff}.kh-review-history strong{color:var(--kh-primary)}.kh-review-history span,.kh-review-history small{color:#64748b}.kh-state-success .kh-state-icon{background:#e7f7ee;color:#197348}
@media(max-width:900px){.kh-mistake-stats{grid-template-columns:1fr 1fr 1fr}.kh-mistake-review-layout{grid-template-columns:1fr}.kh-mistake-review-side{position:relative;top:auto}.kh-mistake-review-map{grid-template-columns:repeat(8,1fr)}.kh-mistake-result-hero{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.kh-mistake-stats{grid-template-columns:1fr}.kh-review-create-form{grid-template-columns:1fr}.kh-mistake-filters{grid-template-columns:1fr}.kh-mistake-card-head{align-items:flex-start;flex-direction:column}.kh-mistake-review-map{grid-template-columns:repeat(6,1fr)}.kh-mistake-result-hero{grid-template-columns:1fr 1fr}.kh-review-history>div{grid-template-columns:1fr 1fr}.kh-mistake-submit-row .kh-button{width:100%}.kh-inline-actions{display:grid}.kh-inline-actions .kh-button{width:100%;justify-content:center}}

/* v0.9.1 — إدارة أسئلة الاختبار في صفحة مستقلة ونظيفة */
.kh-exam-manager-clean{display:grid;gap:18px}
.kh-exam-manager-clean-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:8px 2px 2px}
.kh-exam-manager-clean-head h1{margin:.25rem 0 0;color:var(--kh-primary);font-size:clamp(1.8rem,3vw,2.55rem)}
.kh-exam-only-questions{padding:0;overflow:hidden}
.kh-exam-only-questions-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--kh-border);background:#fbfcfe;color:var(--kh-primary)}
.kh-exam-only-questions-head strong{font-size:1.05rem}
.kh-exam-only-questions-head span{color:var(--kh-muted);font-size:.86rem}
.kh-current-exam-questions{display:grid}
.kh-current-exam-question{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--kh-border);background:#fff}
.kh-current-exam-question:last-child{border-bottom:0}
.kh-current-exam-question-number{width:38px;height:38px;border-radius:12px;background:#eef4fb;color:var(--kh-primary);display:grid;place-items:center;font-weight:900}
.kh-current-exam-question-main{display:grid;gap:5px;min-width:0}
.kh-current-exam-question-main strong{line-height:1.75;color:#183a62}
.kh-current-exam-question-main small{color:var(--kh-muted)}
.kh-current-exam-question-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.kh-exam-add-question-panel{padding:20px}
.kh-simple-panel-heading{padding:0 0 16px!important;border-bottom:1px solid var(--kh-border)}
.kh-simple-panel-heading h2{margin:0 0 5px}
.kh-simple-panel-heading p{margin:0;color:var(--kh-muted)}
@media(max-width:760px){
  .kh-exam-manager-clean-head{align-items:stretch;flex-direction:column}
  .kh-exam-manager-clean-head .kh-button{width:100%;justify-content:center}
  .kh-current-exam-question{grid-template-columns:42px minmax(0,1fr)}
  .kh-current-exam-question-actions{grid-column:1/-1;padding-inline-start:56px}
  .kh-current-exam-question-actions form{margin:0}
  .kh-current-exam-question-actions .kh-link-button{font-size:.82rem}
}

/* v0.9.2 — معاينة السؤال التفاعلية */
body.kh-modal-open{overflow:hidden}.kh-question-preview-modal[hidden]{display:none!important}.kh-question-preview-modal{position:fixed;inset:0;z-index:99999;display:grid;place-items:center;padding:18px}.kh-question-preview-backdrop{position:absolute;inset:0;background:rgba(11,27,47,.58);backdrop-filter:blur(3px)}.kh-question-preview-dialog{position:relative;z-index:2;width:min(760px,calc(100vw - 28px));max-height:min(86vh,860px);overflow:auto;background:#fff;border-radius:22px;box-shadow:0 28px 80px rgba(0,0,0,.24);border:1px solid var(--kh-border)}.kh-question-preview-dialog-content{padding:24px}.kh-question-preview-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding-bottom:16px;border-bottom:1px solid var(--kh-border)}.kh-question-preview-dialog-head h2{margin:0 0 5px;color:var(--kh-primary);font-size:1.55rem}.kh-question-preview-dialog-head p{margin:0;color:var(--kh-muted);line-height:1.7}.kh-modal-close{width:42px;height:42px;flex:0 0 42px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;font-size:1.6rem;cursor:pointer;color:var(--kh-muted)}.kh-question-preview-test-stage{padding-top:18px}.kh-preview-live-choices{margin-top:18px}.kh-question-preview-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.kh-question-preview-result{margin-top:14px;padding:13px 15px;border-radius:12px;font-weight:800}.kh-question-preview-result.is-success{background:#eaf7ef;color:#1e7546;border:1px solid #cfe9da}.kh-question-preview-result.is-error{background:#fff0ef;color:#a82a21;border:1px solid #f2cfcc}.kh-live-choice.is-preview-correct{border-color:#4ca66b!important;background:#eefaf2!important;box-shadow:0 0 0 2px rgba(76,166,107,.12)}.kh-live-choice.is-preview-wrong{border-color:#d85d55!important;background:#fff2f1!important;box-shadow:0 0 0 2px rgba(216,93,85,.1)}.kh-question-preview-explanation{margin-top:14px;padding:15px;border-radius:12px;background:#f7f9fc;border:1px solid var(--kh-border);line-height:1.8}.kh-question-preview-explanation>strong{color:var(--kh-primary)}.kh-mini-preview-link{border:0;background:transparent;cursor:pointer;color:var(--kh-primary-2);font:inherit;padding:0}.kh-link-button[type=button]{border:0;background:transparent;cursor:pointer;font:inherit;padding:0;color:inherit}@media(max-width:620px){.kh-question-preview-modal{padding:8px}.kh-question-preview-dialog{width:calc(100vw - 16px);max-height:92vh;border-radius:18px}.kh-question-preview-dialog-content{padding:16px}.kh-question-preview-dialog-head h2{font-size:1.3rem}.kh-question-preview-actions .kh-button{flex:1;min-width:135px}}

/* v0.9.2 — معاينة الاختبار كاملة بواجهة الطالب */
.kh-exam-preview-adminbar{position:sticky;top:0;z-index:1000;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;background:#fff;border-bottom:1px solid var(--kh-border);box-shadow:0 8px 24px rgba(25,48,83,.06)}.kh-exam-preview-adminbar>div{display:grid;gap:3px}.kh-exam-preview-adminbar span{color:var(--kh-muted);font-size:.85rem}.kh-exam-preview-standalone{padding:22px;min-height:calc(100vh - 70px)}.kh-preview-empty-wrap{padding:30px}.kh-preview-exam-result{position:fixed;inset:0;z-index:9999;background:rgba(13,35,60,.62);display:grid;place-items:center;padding:18px}.kh-preview-exam-result[hidden]{display:none!important}.kh-preview-result-card{width:min(680px,100%);background:#fff;border-radius:24px;padding:30px;border:1px solid var(--kh-border);box-shadow:0 30px 80px rgba(0,0,0,.25)}.kh-preview-result-card h2{margin:4px 0 18px;color:var(--kh-primary)}.kh-preview-result-card>p{color:var(--kh-muted)}.kh-preview-result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.kh-preview-result-stats>div{background:#f7f9fc;border:1px solid var(--kh-border);border-radius:15px;padding:16px;display:grid;gap:6px;text-align:center}.kh-preview-result-stats span{color:var(--kh-muted);font-size:.85rem}.kh-preview-result-stats strong{font-size:1.5rem;color:var(--kh-primary)}.kh-preview-exam-explanation{margin-top:16px;padding:14px;border:1px solid var(--kh-border);border-radius:12px;background:#f8fafc;line-height:1.8}@media(max-width:900px){.kh-exam-preview-adminbar{padding:10px 12px}.kh-exam-preview-adminbar span{display:none}.kh-exam-preview-standalone{padding:10px}.kh-preview-result-stats{grid-template-columns:1fr}.kh-preview-result-card{padding:20px}}

/* v1.0.0 — تحديد المستوى والتدريب العشوائي */
.kh-training-start-card{display:grid;gap:16px}.kh-training-create-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:end}.kh-training-create-form label{display:grid;gap:7px;color:#244461;font-weight:800}.kh-training-create-form label span{font-size:.9rem}.kh-training-create-form label small{font-weight:500;color:var(--kh-muted)}.kh-training-create-form select{width:100%;height:48px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;padding:0 12px;font:inherit;color:#27445f}.kh-training-create-form .kh-button{grid-column:1/-1;justify-self:start}.kh-training-progress{height:10px;background:#e8eef5;border-radius:999px;overflow:hidden;margin:0 0 16px}.kh-training-progress span{display:block;height:100%;background:#2e7d58;border-radius:999px;transition:width .2s ease}.kh-training-question-panel{position:relative;overflow:hidden}.kh-training-question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.kh-training-question-meta span{padding:6px 10px;border-radius:999px;background:#eef4fb;color:#315676;font-size:.8rem}.kh-training-answer-form{margin-top:18px}.kh-training-submit-row{display:flex;justify-content:flex-end;margin-top:18px}.kh-training-level-label{font-size:1.15rem!important}.kh-training-breakdown{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.kh-training-breakdown>div{padding:16px;border:1px solid var(--kh-border);border-radius:16px;background:#fbfcfe}.kh-training-breakdown h3{margin:0 0 12px;color:var(--kh-primary)}.kh-training-breakdown-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed #d9e2ec}.kh-training-breakdown-row:last-child{border-bottom:0}.kh-training-breakdown-row span{color:#48627a}.kh-training-breakdown-row strong{color:var(--kh-primary);white-space:nowrap}.kh-training-review-list{display:grid;gap:12px}.kh-training-review-card{border:1px solid var(--kh-border);border-radius:16px;padding:16px;background:#fff}.kh-training-review-card.is-correct{border-inline-start:4px solid #3f9561}.kh-training-review-card.is-wrong{border-inline-start:4px solid #cf4f45}.kh-training-review-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}.kh-training-review-head strong{color:var(--kh-primary)}.kh-training-review-card.is-correct .kh-training-review-head span{color:#197247}.kh-training-review-card.is-wrong .kh-training-review-head span{color:#aa362f}.kh-training-answer-lines{display:grid;gap:4px;margin-top:12px;padding:12px;border-radius:12px;background:#f7f9fc}.kh-training-answer-lines p{margin:0;line-height:1.8}.kh-training-explanation{margin-top:12px;padding:13px 14px;background:#fff9e9;border:1px solid #eadcb4;border-radius:12px;line-height:1.8;color:#5e4b18}.kh-training-history{display:grid;gap:10px}.kh-training-history>div{display:grid;grid-template-columns:auto auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--kh-border);border-radius:13px;background:#fff}.kh-training-history strong{color:var(--kh-primary)}.kh-training-history span,.kh-training-history small{color:var(--kh-muted)}
@media(max-width:760px){.kh-training-create-form{grid-template-columns:1fr}.kh-training-create-form .kh-button{grid-column:auto;width:100%;justify-content:center}.kh-training-breakdown{grid-template-columns:1fr}.kh-training-submit-row .kh-button{width:100%}.kh-training-history>div{grid-template-columns:1fr 1fr}.kh-training-review-head{align-items:flex-start;flex-direction:column}}

/* v1.1.0 — التقرير الأكاديمي للطالب */
.kh-report-sheet{background:#fff;border:1px solid var(--kh-border);border-radius:22px;overflow:hidden;box-shadow:0 12px 36px rgba(25,48,83,.07)}
.kh-report-cover{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;padding:28px 30px;background:linear-gradient(135deg,#0f2f54,#173b67);color:#fff}
.kh-report-brand{display:flex;align-items:center;gap:10px}.kh-report-brand>span{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:#fff;color:var(--kh-primary);font-size:1.7rem;font-weight:900}.kh-report-brand div{display:grid}.kh-report-brand small{opacity:.72;margin-top:3px}
.kh-report-title{text-align:center}.kh-report-title>span{font-size:.8rem;opacity:.75}.kh-report-title h2{margin:6px 0 4px;font-size:1.65rem}.kh-report-title p{margin:0;opacity:.75;font-size:.88rem}
.kh-report-meta{display:grid;grid-template-columns:auto auto;gap:5px 12px;font-size:.78rem}.kh-report-meta span{opacity:.65}.kh-report-meta strong{font-weight:700}
.kh-report-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-bottom:1px solid var(--kh-border)}.kh-report-summary-grid article{padding:22px 24px;display:grid;gap:7px;border-left:1px solid var(--kh-border)}.kh-report-summary-grid article:last-child{border-left:0}.kh-report-summary-grid span{font-size:.82rem;color:var(--kh-muted);font-weight:700}.kh-report-summary-grid strong{font-size:1.8rem;color:var(--kh-primary)}.kh-report-summary-grid small{color:var(--kh-muted)}
.kh-report-section{padding:26px 30px;border-bottom:1px solid var(--kh-border)}.kh-report-section:last-of-type{border-bottom:0}.kh-report-section-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.kh-report-section-title h3{margin:0;color:var(--kh-primary);font-size:1.18rem}.kh-report-section-title>span{font-size:.78rem;color:var(--kh-muted);background:#f3f6fa;border-radius:999px;padding:7px 10px}
.kh-report-empty{padding:18px;border-radius:12px;background:#f7f9fc;color:var(--kh-muted);text-align:center}
.kh-report-progress-list{display:grid;gap:12px}.kh-report-progress-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(180px,2fr) 70px;align-items:center;gap:14px}.kh-report-progress-row>div:first-child{display:grid;gap:3px}.kh-report-progress-row small{color:var(--kh-muted)}.kh-report-progress-row>b{text-align:left;color:var(--kh-primary)}.kh-report-progress{height:9px;background:#e8edf4;border-radius:999px;overflow:hidden}.kh-report-progress>span{display:block;height:100%;background:#2c7b55;border-radius:999px}
.kh-report-mini-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:18px}.kh-report-mini-stats-3{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:0}.kh-report-mini-stats>div{padding:15px 16px;background:#f7f9fc;border:1px solid #edf1f6;border-radius:13px;display:grid;gap:5px}.kh-report-mini-stats span{color:var(--kh-muted);font-size:.78rem}.kh-report-mini-stats strong{font-size:1.25rem;color:var(--kh-primary)}
.kh-report-table-wrap{box-shadow:none;border:1px solid var(--kh-border);border-radius:14px}.kh-report-table{font-size:.82rem}.kh-report-score{display:inline-flex;padding:5px 8px;border-radius:999px;font-weight:800}.kh-report-score.is-high,.kh-report-analysis-list strong.is-high{background:#eaf6ef;color:#18794e}.kh-report-score.is-mid,.kh-report-analysis-list strong.is-mid{background:#fff7e2;color:#9a6700}.kh-report-score.is-low,.kh-report-analysis-list strong.is-low{background:#fff0ef;color:#b42318}
.kh-report-history{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.kh-report-history>div{padding:14px;border:1px solid var(--kh-border);border-radius:13px;display:grid;gap:5px}.kh-report-history span{font-size:1.15rem;color:var(--kh-primary);font-weight:900}.kh-report-history small{color:var(--kh-muted);font-size:.72rem}
.kh-report-analysis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.kh-report-analysis-grid h4{margin:0 0 10px;color:var(--kh-primary)}.kh-report-analysis-list{display:grid;gap:8px}.kh-report-analysis-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;background:#f7f9fc;border-radius:11px}.kh-report-analysis-list span{display:grid;gap:2px;font-weight:700}.kh-report-analysis-list small{color:var(--kh-muted);font-weight:400}.kh-report-analysis-list strong{padding:5px 8px;border-radius:999px}
.kh-report-footer{display:flex;justify-content:space-between;gap:20px;padding:16px 30px;background:#f7f9fc;color:var(--kh-muted);font-size:.72rem}
@media(max-width:900px){.kh-report-cover{grid-template-columns:1fr;text-align:center}.kh-report-brand{justify-content:center}.kh-report-meta{justify-content:center}.kh-report-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-report-summary-grid article:nth-child(2){border-left:0}.kh-report-summary-grid article:nth-child(-n+2){border-bottom:1px solid var(--kh-border)}.kh-report-progress-row{grid-template-columns:1fr}.kh-report-progress-row>b{text-align:right}.kh-report-mini-stats,.kh-report-mini-stats-3{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-report-history{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-report-analysis-grid{grid-template-columns:1fr}}
@media(max-width:560px){.kh-report-section{padding:20px 16px}.kh-report-cover{padding:24px 16px}.kh-report-summary-grid{grid-template-columns:1fr}.kh-report-summary-grid article{border-left:0;border-bottom:1px solid var(--kh-border)!important}.kh-report-summary-grid article:last-child{border-bottom:0!important}.kh-report-mini-stats,.kh-report-mini-stats-3,.kh-report-history{grid-template-columns:1fr}.kh-report-section-title{align-items:flex-start;display:grid}.kh-report-footer{display:grid;padding:14px 16px}}
@media print{body.kh-app-body{background:#fff!important}.kh-sidebar,.kh-dashboard-topbar,.kh-report-no-print,.kh-menu-button,.cky-consent-container,.cky-btn-revisit-wrapper{display:none!important}.kh-dashboard-shell{display:block!important;min-height:0!important}.kh-dashboard-main{width:100%!important}.kh-dashboard-content{padding:0!important}.kh-student-report{margin:0!important}.kh-report-sheet{border:0!important;border-radius:0!important;box-shadow:none!important}.kh-report-cover{-webkit-print-color-adjust:exact;print-color-adjust:exact}.kh-report-summary-grid,.kh-report-section,.kh-report-progress-row,.kh-report-mini-stats>div,.kh-report-history>div,.kh-report-analysis-list>div{break-inside:avoid}.kh-report-section{padding:18px 20px}.kh-report-table-wrap{overflow:visible!important}.kh-report-table{font-size:9pt}.kh-report-footer{page-break-inside:avoid}}

/* v1.2.0 — الصفحات العامة */
.kh-public-brand div{display:grid;line-height:1.15}.kh-public-brand small{font-size:.72rem;color:var(--kh-muted);margin-top:3px}.kh-public-header nav>a:not(.kh-button){position:relative;padding:28px 0 25px}.kh-public-header nav>a.is-active{color:var(--kh-primary);font-weight:800}.kh-public-header nav>a.is-active::after{content:"";position:absolute;right:0;left:0;bottom:17px;height:3px;border-radius:999px;background:var(--kh-accent)}
.kh-public-page{max-width:1180px;margin:auto;padding:56px 24px 80px}.kh-public-page-hero{text-align:center;padding:22px 16px 34px}.kh-public-page-hero h1{margin:0;color:var(--kh-primary);font-size:clamp(2.2rem,5vw,4rem)}.kh-public-page-hero p{color:var(--kh-muted);font-size:1.05rem}.kh-public-content-card,.kh-contact-card{background:#fff;border:1px solid var(--kh-border);border-radius:24px;padding:clamp(26px,5vw,54px);box-shadow:var(--kh-shadow)}.kh-prose{line-height:2;color:#43536a}.kh-prose p:first-child{margin-top:0}.kh-prose p:last-child{margin-bottom:0}.kh-text-link{color:var(--kh-primary-2);font-weight:800}.kh-muted-copy{color:var(--kh-muted)}.kh-home-clamp{max-height:150px;overflow:hidden;position:relative}.kh-home-about .kh-text-link{display:inline-block;margin-top:12px}.kh-section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.kh-section-heading h2{margin:0}.kh-home-contact{display:flex;align-items:center;justify-content:space-between;gap:24px}
.kh-stars-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.kh-stars-grid-home{grid-template-columns:repeat(3,minmax(0,1fr))}.kh-star-card{background:#fff;border:1px solid var(--kh-border);border-radius:20px;overflow:hidden;box-shadow:0 10px 28px rgba(25,48,83,.06)}.kh-star-image-button{display:block;width:100%;padding:0;border:0;background:#eef2f7;cursor:pointer;aspect-ratio:4/3;overflow:hidden}.kh-star-image-button img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .2s ease}.kh-star-image-button:hover img{transform:scale(1.02)}.kh-star-copy{padding:16px 18px}.kh-star-copy h2,.kh-star-copy h3{margin:0 0 6px;color:var(--kh-primary);font-size:1.08rem}.kh-star-copy p{margin:0;color:var(--kh-muted);line-height:1.6}.kh-empty-public{text-align:center;color:var(--kh-muted)}
.kh-lightbox[hidden]{display:none}.kh-lightbox{position:fixed;inset:0;z-index:1000;background:rgba(9,23,42,.88);display:grid;place-items:center;padding:30px}.kh-lightbox figure{margin:0;max-width:min(1000px,94vw);max-height:90vh;display:grid;gap:12px}.kh-lightbox img{max-width:100%;max-height:82vh;object-fit:contain;border-radius:16px;background:#fff}.kh-lightbox figcaption{color:#fff;text-align:center;font-weight:700}.kh-lightbox-close{position:absolute;top:20px;left:20px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;color:#172033;font-size:2rem;cursor:pointer}
.kh-contact-page{max-width:900px}.kh-contact-card{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:30px}.kh-contact-icon{width:110px;height:110px;border-radius:32px;background:#eaf5ee;color:#16834f;display:grid;place-items:center;font-size:3rem}.kh-contact-number{font-size:1.45rem;font-weight:900;color:var(--kh-primary);margin:18px 0}.kh-whatsapp-button{background:#16834f;color:#fff}.kh-whatsapp-button:hover{background:#116b40}
.kh-alert-success{background:#eaf7ef;color:#176a40;border:1px solid #cdebd9}.kh-public-admin-section{margin-top:24px}.kh-admin-preview-links{display:flex;gap:14px;flex-wrap:wrap}.kh-admin-preview-links a{color:var(--kh-primary-2);font-weight:800}.kh-public-settings-form,.kh-add-star-form,.kh-star-edit-form{display:grid;gap:14px}.kh-public-settings-form label,.kh-add-star-form label,.kh-star-edit-form label{display:grid;gap:7px;font-weight:700}.kh-public-settings-form label small,.kh-add-star-form label span{font-weight:400;color:var(--kh-muted);font-size:.82rem}.kh-public-settings-form input,.kh-public-settings-form textarea,.kh-add-star-form input,.kh-star-edit-form input,.kh-star-edit-form textarea,.kh-star-edit-form select{width:100%;border:1px solid var(--kh-border);border-radius:12px;background:#fff;padding:12px 14px;font:inherit;color:inherit}.kh-public-settings-form textarea,.kh-star-edit-form textarea{resize:vertical;line-height:1.7}.kh-form-grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.kh-form-grid-four{display:grid;grid-template-columns:1.2fr 1fr 1.2fr .55fr;gap:14px;align-items:end}.kh-stars-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}.kh-star-admin-card{border:1px solid var(--kh-border);border-radius:18px;padding:12px;background:#f9fbfd;display:grid;gap:12px;align-content:start}.kh-star-admin-card>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:13px;background:#eef2f7}.kh-empty-state{text-align:center;padding:30px;color:var(--kh-muted)}
@media(max-width:900px){.kh-stars-grid,.kh-stars-grid-home,.kh-stars-admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-form-grid-four{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-home-contact{display:grid}.kh-contact-card{grid-template-columns:1fr;text-align:center}.kh-contact-icon{margin:auto}.kh-public-header nav>a:not(.kh-button){display:none}}
@media(max-width:560px){.kh-public-page{padding:38px 16px 60px}.kh-stars-grid,.kh-stars-grid-home,.kh-stars-admin-grid,.kh-form-grid-two,.kh-form-grid-four{grid-template-columns:1fr}.kh-section-heading{align-items:flex-start;display:grid}.kh-contact-card{padding:28px 20px}.kh-public-header{height:68px}.kh-public-header .kh-button-small{padding:0 12px}.kh-public-brand small{display:none}}

/* v1.2.2 — نجوم الخفاجي: طرق رفع مرنة + رفع جماعي متتابع + معرض احترافي متحرك */
.kh-star-upload-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:18px 0 28px}.kh-star-upload-card{position:relative;overflow:hidden;border:1px solid var(--kh-border);border-radius:22px;padding:20px;background:linear-gradient(145deg,#fff,#f8fbff);box-shadow:0 12px 30px rgba(28,58,92,.06)}.kh-star-upload-card::after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;left:-70px;top:-70px;background:radial-gradient(circle,rgba(49,112,171,.12),transparent 70%);pointer-events:none}.kh-star-upload-card.is-bulk{background:linear-gradient(145deg,#fff,#f8fcf9)}.kh-star-upload-card.is-bulk::after{background:radial-gradient(circle,rgba(38,145,91,.12),transparent 70%)}.kh-star-upload-card-head{display:flex;align-items:flex-start;gap:13px;margin-bottom:18px}.kh-star-upload-card-head h3{margin:0 0 6px;color:var(--kh-primary);font-size:1.08rem}.kh-star-upload-card-head p{margin:0;color:var(--kh-muted);line-height:1.65;font-size:.88rem}.kh-star-upload-icon{flex:0 0 42px;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eaf2fb;color:var(--kh-primary);font-size:1.3rem;font-weight:900}.kh-star-upload-card.is-bulk .kh-star-upload-icon{background:#eaf7ef;color:#18764b}.kh-star-file-drop{padding:14px;border:1px dashed #b8c9db;border-radius:15px;background:#fbfdff}.kh-star-file-drop input[type=file]{background:#fff}.kh-star-file-drop small{color:var(--kh-muted);font-weight:400}.kh-bulk-star-summary{padding:12px 14px;border-radius:13px;background:#f4f7fa;color:var(--kh-muted);display:grid;gap:4px;min-height:48px}.kh-bulk-star-summary.has-files{background:#eaf7ef;color:#176a40}.kh-bulk-star-summary strong{font-size:.9rem}.kh-bulk-star-summary span{font-size:.76rem;line-height:1.5;overflow-wrap:anywhere}

.kh-stars-public-page{max-width:1280px}.kh-stars-hero{padding-bottom:28px}.kh-stars-showcase{position:relative;overflow:hidden;border-radius:34px;background:#0c2340;box-shadow:0 28px 70px rgba(10,35,64,.24);min-height:clamp(430px,58vw,690px);isolation:isolate}.kh-stars-carousel-stage{position:absolute;inset:0}.kh-stars-slide{position:absolute;inset:0;opacity:0;transform:scale(.97) translateY(10px);transition:opacity .8s ease,transform .9s cubic-bezier(.2,.7,.2,1);pointer-events:none}.kh-stars-slide.is-active{opacity:1;transform:scale(1) translateY(0);pointer-events:auto;z-index:2}.kh-stars-slide-backdrop{position:absolute;inset:-32px;background-position:center;background-size:cover;filter:blur(26px) saturate(.9);transform:scale(1.12);opacity:.38}.kh-stars-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,39,.78),rgba(5,20,39,.08) 55%,rgba(5,20,39,.42));z-index:1}.kh-stars-slide-glow{position:absolute;inset:0;z-index:2;background:radial-gradient(circle at 76% 24%,rgba(255,255,255,.18),transparent 30%),linear-gradient(115deg,transparent 38%,rgba(255,255,255,.10) 48%,transparent 57%);transform:translateX(35%);animation:khStarShine 7s ease-in-out infinite;pointer-events:none}.kh-stars-feature-image{position:absolute;inset:34px 8% 34px 34%;z-index:3;border:0;background:transparent;padding:0;display:grid;place-items:center;cursor:zoom-in}.kh-stars-feature-image img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:22px;box-shadow:0 24px 60px rgba(0,0,0,.32);background:#fff}.kh-stars-slide-copy{position:absolute;right:5.5%;left:auto;top:50%;transform:translateY(-50%);z-index:4;width:min(28%,360px);color:#fff;text-align:right}.kh-stars-slide-copy h2{margin:0 0 10px;font-size:clamp(1.5rem,3vw,2.5rem);color:#fff}.kh-stars-slide-copy p{margin:0;color:rgba(255,255,255,.82);line-height:1.8;font-size:1rem}.kh-stars-carousel-arrow{position:absolute;z-index:8;top:50%;transform:translateY(-50%);width:52px;height:52px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:rgba(8,28,51,.48);backdrop-filter:blur(10px);color:#fff;font-size:2.2rem;display:grid;place-items:center;cursor:pointer;transition:.2s ease}.kh-stars-carousel-arrow:hover{background:#fff;color:var(--kh-primary);transform:translateY(-50%) scale(1.06)}.kh-stars-carousel-arrow.is-prev{right:22px}.kh-stars-carousel-arrow.is-next{left:22px}.kh-stars-carousel-footer{position:absolute;z-index:8;right:0;left:0;bottom:18px;display:flex;justify-content:center;align-items:center;gap:18px;color:#fff}.kh-stars-carousel-dots{display:flex;gap:8px}.kh-stars-carousel-dots button{width:8px;height:8px;padding:0;border:0;border-radius:999px;background:rgba(255,255,255,.38);cursor:pointer;transition:.25s ease}.kh-stars-carousel-dots button.is-active{width:28px;background:#fff}.kh-stars-carousel-counter{display:flex;gap:5px;align-items:baseline;font-size:.8rem;color:rgba(255,255,255,.68)}.kh-stars-carousel-counter strong{font-size:1.05rem;color:#fff}.kh-stars-carousel-progress{position:absolute;z-index:8;bottom:0;right:0;left:0;height:3px;background:rgba(255,255,255,.12)}.kh-stars-carousel-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,#fff,#6ac496)}.kh-stars-carousel-progress span.is-running{animation:khStarProgress 4.8s linear forwards}

.kh-stars-all-section{margin-top:54px}.kh-stars-all-heading p{margin:.35rem 0 0;color:var(--kh-muted)}.kh-stars-count{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#eef5fc;color:var(--kh-primary);font-weight:800;font-size:.82rem}.kh-stars-masonry{columns:3 300px;column-gap:18px}.kh-star-masonry-card{display:inline-block;width:100%;margin:0 0 18px;break-inside:avoid;background:#fff;border:1px solid var(--kh-border);border-radius:20px;overflow:hidden;box-shadow:0 12px 30px rgba(25,48,83,.07);animation:khStarRise .55s ease both;animation-delay:var(--kh-star-delay,0ms)}.kh-star-masonry-button{position:relative;aspect-ratio:auto;background:#f2f5f8}.kh-star-masonry-button img{width:100%;height:auto;max-height:none;object-fit:contain}.kh-star-view-hint{position:absolute;left:14px;bottom:14px;padding:7px 10px;border-radius:999px;background:rgba(10,35,64,.78);color:#fff;font-size:.72rem;font-weight:800;opacity:0;transform:translateY(6px);transition:.2s ease;backdrop-filter:blur(8px)}.kh-star-masonry-button:hover .kh-star-view-hint{opacity:1;transform:translateY(0)}.kh-star-masonry-card:hover{box-shadow:0 18px 42px rgba(25,48,83,.13);transform:translateY(-2px);transition:.25s ease}.kh-star-masonry-card .kh-star-copy{border-top:1px solid #edf1f5}

.kh-lightbox{backdrop-filter:blur(10px)}.kh-lightbox figure{position:relative;max-width:min(1100px,88vw)}.kh-lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.10);color:#fff;font-size:2.2rem;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(10px);transition:.2s ease}.kh-lightbox-nav:hover{background:#fff;color:#142d4e}.kh-lightbox-nav.is-prev{right:28px}.kh-lightbox-nav.is-next{left:28px}.kh-lightbox-counter{color:rgba(255,255,255,.68);text-align:center;font-size:.78rem}.kh-modal-open{overflow:hidden}

@keyframes khStarProgress{from{width:0}to{width:100%}}@keyframes khStarShine{0%,62%,100%{transform:translateX(42%);opacity:0}72%{opacity:1}86%{transform:translateX(-48%);opacity:0}}@keyframes khStarRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:980px){.kh-star-upload-modes{grid-template-columns:1fr}.kh-stars-showcase{min-height:600px}.kh-stars-feature-image{inset:26px 7% 150px}.kh-stars-slide-copy{top:auto;right:8%;left:8%;bottom:56px;width:auto;transform:none;text-align:center}.kh-stars-carousel-arrow{width:46px;height:46px}.kh-stars-carousel-arrow.is-prev{right:12px}.kh-stars-carousel-arrow.is-next{left:12px}.kh-stars-masonry{columns:2 260px}}
@media(max-width:560px){.kh-stars-showcase{min-height:520px;border-radius:24px}.kh-stars-feature-image{inset:20px 14px 145px}.kh-stars-slide-copy{right:18px;left:18px;bottom:54px}.kh-stars-slide-copy h2{font-size:1.35rem}.kh-stars-slide-copy p{font-size:.86rem;line-height:1.6}.kh-stars-carousel-arrow{top:42%;width:40px;height:40px;font-size:1.7rem}.kh-stars-carousel-footer{bottom:15px}.kh-stars-masonry{columns:1}.kh-star-view-hint{opacity:1;transform:none}.kh-lightbox{padding:18px}.kh-lightbox-nav{width:42px;height:42px;font-size:1.7rem}.kh-lightbox-nav.is-prev{right:10px}.kh-lightbox-nav.is-next{left:10px}.kh-lightbox-close{top:12px;left:12px;width:42px;height:42px}.kh-star-upload-card{padding:16px}}
@media(prefers-reduced-motion:reduce){.kh-stars-slide,.kh-star-masonry-card,.kh-stars-slide-glow,.kh-stars-carousel-progress span{animation:none!important;transition:none!important}}

.kh-bulk-upload-progress{height:10px;border-radius:999px;background:#e7edf4;overflow:hidden}.kh-bulk-upload-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,#1d6da8,#2b9a62);border-radius:inherit;transition:width .25s ease}.kh-bulk-upload-status{padding:11px 13px;border-radius:12px;font-size:.86rem;line-height:1.6}.kh-bulk-upload-status.is-working{background:#eef5fc;color:#174c79}.kh-bulk-upload-status.is-success{background:#eaf7ef;color:#176a40}.kh-bulk-upload-status.is-error{background:#fff0ef;color:#a3261e}

.kh-permissions-block{display:grid;gap:14px;margin-top:4px}.kh-permission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.kh-permission-card{display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid var(--kh-border);border-radius:16px;background:#fbfcfe;cursor:pointer;transition:.15s ease}.kh-permission-card:hover{border-color:#a9bfd8;background:#f7faff}.kh-permission-card input{width:19px;height:19px;margin-top:3px;accent-color:var(--kh-primary)}.kh-permission-card span{display:grid;gap:5px}.kh-permission-card strong{color:var(--kh-primary)}.kh-permission-card small{color:var(--kh-muted);line-height:1.6}.kh-permission-note{margin:0}.kh-panel-heading-pad{padding:20px 20px 0}.kh-cap-chip-list{display:flex;flex-wrap:wrap;gap:6px;max-width:430px}.kh-cap-chip-list span{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef4fb;color:#345f8d;font-size:.72rem;font-weight:700}.kh-cap-chip-list span.is-empty{background:#f3f4f6;color:#777}@media(max-width:760px){.kh-permission-grid{grid-template-columns:1fr}.kh-cap-chip-list{min-width:210px}}

/* v1.4.0 — إعدادات الهوية، الصور ومحرر الرياضيات */
.kh-brand-logo-wrap{overflow:hidden;padding:0!important;background:#fff!important}.kh-brand-logo{width:100%;height:100%;object-fit:contain;display:block;padding:4px}.kh-brand-mark-logo{background:#fff;overflow:hidden}.kh-brand-mark-logo img{width:100%;height:100%;object-fit:contain;padding:6px}.kh-hero-visual{height:390px;border-radius:40px;overflow:hidden;background:var(--kh-card);border:1px solid var(--kh-border);box-shadow:var(--kh-shadow);position:relative}.kh-hero-visual:after{content:"";position:absolute;inset:auto 0 0;height:35%;background:linear-gradient(to top,rgba(0,0,0,.18),transparent);pointer-events:none}.kh-hero-visual img{width:100%;height:100%;object-fit:cover;display:block}.kh-auth-layout{width:min(440px,100%);display:grid;align-items:stretch}.kh-auth-layout.has-visual{width:min(980px,100%);grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);gap:0;background:#fff;border:1px solid var(--kh-border);border-radius:28px;overflow:hidden;box-shadow:var(--kh-shadow)}.kh-auth-layout.has-visual .kh-auth-card{width:100%;border:0;border-radius:0;box-shadow:none}.kh-login-visual{position:relative;min-height:620px;background:var(--kh-primary);overflow:hidden}.kh-login-visual img{width:100%;height:100%;object-fit:cover;display:block}.kh-login-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,30,55,.72),transparent 60%)}.kh-login-visual>div{position:absolute;z-index:2;right:28px;left:28px;bottom:30px;color:#fff;display:grid;gap:6px}.kh-login-visual strong{font-size:1.7rem}.kh-login-visual span{opacity:.86}.kh-settings-form{display:grid;gap:20px}.kh-settings-section{margin-top:0}.kh-settings-section label{display:grid;gap:8px;font-weight:700}.kh-settings-section input[type=text],.kh-settings-section input[type=file]{width:100%}.kh-settings-section input[type=text]{height:48px;border:1px solid var(--kh-border);border-radius:12px;padding:0 14px;background:#fff;font:inherit}.kh-settings-image-field{display:grid;gap:12px;padding:18px;border:1px dashed var(--kh-border);border-radius:16px;background:color-mix(in srgb,var(--kh-bg) 72%,#fff)}.kh-settings-image-field>div:first-child{display:grid;gap:4px}.kh-settings-image-field small{color:var(--kh-muted);font-weight:500;line-height:1.6}.kh-settings-image-preview{display:grid;grid-template-columns:minmax(160px,320px) 1fr;gap:14px;align-items:center}.kh-settings-image-preview img{width:100%;max-height:230px;object-fit:cover;border:1px solid var(--kh-border);border-radius:14px;background:#fff}.kh-settings-image-preview.is-logo img{height:120px;object-fit:contain}.kh-settings-image-preview label{display:flex;align-items:center;gap:8px;font-weight:600}.kh-settings-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.kh-theme-options,.kh-font-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.kh-theme-option,.kh-font-option{position:relative;display:grid!important;align-content:start;gap:8px;border:2px solid var(--kh-border);border-radius:18px;padding:16px;background:#fff;cursor:pointer;transition:.18s ease}.kh-theme-option:hover,.kh-font-option:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(25,48,83,.08)}.kh-theme-option.is-selected,.kh-font-option.is-selected{border-color:var(--kh-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--kh-primary) 10%,transparent)}.kh-theme-option input,.kh-font-option input{position:absolute;top:12px;left:12px}.kh-theme-option small,.kh-font-option small{color:var(--kh-muted);line-height:1.55;font-weight:500}.kh-theme-swatch{height:82px;border-radius:13px;padding:10px;background:var(--swatch-bg);display:grid;grid-template-columns:1.4fr .7fr;grid-template-rows:1fr 1fr;gap:6px;overflow:hidden}.kh-theme-swatch i{display:block;border-radius:7px}.kh-theme-swatch i:nth-child(1){grid-row:1/3;background:var(--swatch-primary)}.kh-theme-swatch i:nth-child(2){background:var(--swatch-secondary)}.kh-theme-swatch i:nth-child(3){background:var(--swatch-accent)}.kh-theme-swatch i:nth-child(4){display:none}.kh-font-option strong{font-size:1.18rem;color:var(--kh-primary)}.kh-font-option span{font-size:1.02rem;line-height:1.8}.kh-settings-savebar{position:sticky;bottom:16px;z-index:10;display:flex;align-items:center;gap:14px;padding:14px 16px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border:1px solid var(--kh-border);border-radius:16px;box-shadow:var(--kh-shadow)}.kh-settings-savebar span{color:var(--kh-muted);font-size:.9rem}

.kh-math-editor{display:grid;gap:8px;margin:7px 0 8px;padding:10px;border:1px solid var(--kh-border);border-radius:12px;background:#f9fbfe}.kh-math-editor-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.kh-math-editor-head strong{font-size:.82rem;color:var(--kh-primary)}.kh-math-editor-head small{color:var(--kh-muted)}.kh-math-toolbar{display:flex;gap:6px;overflow-x:auto;padding-bottom:3px;scrollbar-width:thin}.kh-math-tool{flex:0 0 auto;border:1px solid var(--kh-border);background:#fff;color:var(--kh-primary);border-radius:9px;min-height:34px;padding:0 10px;font:inherit;font-size:.78rem;font-weight:700;cursor:pointer}.kh-math-tool:hover{border-color:var(--kh-primary);background:color-mix(in srgb,var(--kh-primary) 5%,#fff)}.kh-math-preview{min-height:46px;border:1px dashed var(--kh-border);border-radius:10px;padding:9px 11px;background:#fff;color:var(--kh-text);white-space:pre-wrap;line-height:1.9;overflow:auto}.kh-math-preview:empty:before{content:"ستظهر المعاينة الرياضية هنا";color:var(--kh-muted);font-size:.8rem}.kh-math-editor-help{font-size:.76rem;color:var(--kh-muted);line-height:1.6}.kh-question-rich-text mjx-container,.kh-live-question-text mjx-container,.kh-live-choice mjx-container,.kh-answer-explanation mjx-container,.kh-training-explanation mjx-container,.kh-question-preview-explanation mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:2px 0}

@media(max-width:1100px){.kh-theme-options,.kh-font-options{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-settings-media-grid{grid-template-columns:1fr}}
@media(max-width:900px){.kh-auth-layout.has-visual{grid-template-columns:1fr;width:min(520px,100%)}.kh-login-visual{min-height:230px;max-height:280px}.kh-login-visual>div{right:20px;bottom:18px}.kh-hero-visual{height:280px}}
@media(max-width:560px){.kh-theme-options,.kh-font-options{grid-template-columns:1fr}.kh-settings-image-preview{grid-template-columns:1fr}.kh-settings-savebar{bottom:8px;display:grid}.kh-auth-layout.has-visual{border-radius:20px}.kh-login-visual{min-height:190px}.kh-math-editor{padding:8px}.kh-math-tool{font-size:.74rem;padding:0 8px}}

/* v1.4.2 — محرر معادلات بصري + تثبيت الهوية */
.kh-math-editor-visual{padding:12px 14px;background:color-mix(in srgb,var(--kh-primary) 3%,#fff)}
.kh-math-editor-visual .kh-math-editor-head{align-items:center}
.kh-math-editor-visual .kh-math-editor-head>div{display:grid;gap:3px}
.kh-math-open-button{white-space:nowrap}
.kh-visual-math-modal{position:fixed;inset:0;z-index:10010;display:none;align-items:flex-start;justify-content:center;padding:6vh 18px 320px}
.kh-visual-math-modal.is-open{display:flex}
.kh-visual-math-backdrop{position:absolute;inset:0;background:rgba(9,23,42,.62);backdrop-filter:blur(4px)}
.kh-visual-math-dialog{position:relative;z-index:2;width:min(780px,100%);background:#fff;border:1px solid var(--kh-border);border-radius:24px;box-shadow:0 28px 80px rgba(0,0,0,.28);overflow:hidden}
.kh-visual-math-head{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 20px;background:linear-gradient(135deg,var(--kh-primary),var(--kh-primary-dark));color:#fff}
.kh-visual-math-head>div{display:grid;gap:3px}.kh-visual-math-head span{font-size:.8rem;opacity:.8}.kh-visual-math-head strong{font-size:1.1rem}
.kh-visual-math-head>button{width:38px;height:38px;border:1px solid rgba(255,255,255,.25);border-radius:12px;background:rgba(255,255,255,.12);color:#fff;font-size:1.5rem;cursor:pointer}
.kh-visual-math-stage{padding:24px 22px 16px;background:#f8fafc}
.kh-visual-math-stage math-field{display:block;width:100%;min-height:90px;padding:18px;border:2px solid var(--kh-border);border-radius:18px;background:#fff;font-size:clamp(1.55rem,4vw,2.2rem);direction:rtl;text-align:right;--caret-color:var(--kh-primary);--selection-background-color:color-mix(in srgb,var(--kh-primary) 18%,transparent)}
.kh-visual-math-stage math-field:focus-within{border-color:var(--kh-primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--kh-primary) 10%,transparent)}
.kh-visual-math-hint{padding:0 22px 16px;color:var(--kh-muted);font-size:.88rem;line-height:1.7;background:#f8fafc}
.kh-visual-math-actions{display:flex;justify-content:flex-start;gap:10px;padding:16px 22px 20px;background:#fff;border-top:1px solid var(--kh-border)}
body.kh-math-modal-open{overflow:hidden;--keyboard-zindex:10030;--keyboard-accent-color:var(--kh-primary);--keyboard-toolbar-background:#f5f7fb;--keycap-background:#fff;--keycap-background-hover:#eef4fb;--keycap-background-active:#e1ebf7}
@media(max-width:680px){.kh-math-editor-visual .kh-math-editor-head{align-items:stretch;flex-direction:column}.kh-math-open-button{width:100%}.kh-visual-math-modal{padding:10px 10px 300px;align-items:flex-start}.kh-visual-math-dialog{border-radius:18px}.kh-visual-math-stage{padding:16px 14px 12px}.kh-visual-math-stage math-field{min-height:82px;font-size:1.6rem}.kh-visual-math-actions{padding:14px;display:grid;grid-template-columns:1fr 1fr}.kh-visual-math-hint{padding:0 14px 14px}}

/* v1.4.3 — حالة الهوية المحفوظة */
.kh-settings-applied-state{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:color-mix(in srgb,var(--kh-primary) 6%,#fff);border:1px solid color-mix(in srgb,var(--kh-primary) 18%,var(--kh-border));color:var(--kh-text)}.kh-settings-applied-state strong{color:var(--kh-primary)}

/* v1.4.4 — تثبيت آخر اختيار للألوان والخطوط عند الإرسال */

/* v1.4.6 — course enrollment, lectures, visible logout, Word paste */
.kh-topbar-user{display:flex;align-items:center;gap:14px;margin-inline-start:auto}.kh-topbar-user>div{display:grid;text-align:start}.kh-topbar-logout{display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border:1px solid var(--kh-border);border-radius:10px;background:#fff;color:var(--kh-primary);font-weight:800;white-space:nowrap}.kh-topbar-logout:hover{background:var(--kh-soft)}
.kh-tab-count{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-inline-start:6px;padding:0 6px;border-radius:999px;background:var(--kh-primary);color:#fff;font-size:.72rem;font-weight:900}
.kh-course-card-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.kh-course-card-actions form{margin:0}.kh-status-badge.kh-status-rejected{background:#fff0ee;color:#b42318;border-color:#f5c5bf}
.kh-lectures-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.kh-lecture-card{background:#fff;border:1px solid var(--kh-border);border-radius:18px;padding:20px;box-shadow:0 8px 24px rgba(25,48,83,.04);display:grid;gap:14px}.kh-lecture-card-head{display:flex;align-items:center;gap:12px}.kh-lecture-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--kh-soft);font-size:1.35rem}.kh-lecture-card h3{margin:0 0 3px}.kh-lecture-card small,.kh-lecture-card p{color:var(--kh-muted)}.kh-lecture-card p{margin:0;line-height:1.8}.kh-section-gap{margin-top:28px}
.kh-word-paste-tools{margin:12px 0 18px;border:1px dashed var(--kh-border);border-radius:14px;background:var(--kh-soft);padding:12px}.kh-word-paste-head{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}.kh-word-paste-head small{color:var(--kh-muted)}.kh-word-paste-panel{margin-top:12px;padding-top:12px;border-top:1px solid var(--kh-border)}.kh-word-paste-box{min-height:120px;padding:14px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;outline:none;white-space:pre-wrap;line-height:1.8}.kh-word-paste-box:focus{border-color:var(--kh-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--kh-primary) 12%,transparent)}.kh-word-paste-box:empty::before{content:attr(data-placeholder);color:var(--kh-muted);pointer-events:none}.kh-word-paste-preview{margin-top:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.kh-word-paste-preview[hidden]{display:none}.kh-word-paste-preview img{max-width:180px;max-height:130px;object-fit:contain;border:1px solid var(--kh-border);border-radius:10px;background:#fff}.kh-word-paste-preview span{font-weight:800;color:var(--kh-primary)}
@media(max-width:900px){.kh-lectures-grid{grid-template-columns:1fr}.kh-topbar-user{margin-inline-start:0}.kh-topbar-user>div{display:none}}
@media(max-width:560px){.kh-topbar-logout{padding:8px 10px;font-size:.78rem}.kh-word-paste-head{align-items:flex-start}.kh-word-paste-box{min-height:100px}}

/* v1.4.8: keep long staff form actions visible */
.kh-users-savebar{position:sticky;bottom:14px;z-index:20;align-items:center;padding:14px 16px;margin-top:18px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border:1px solid var(--kh-border);border-radius:16px;box-shadow:var(--kh-shadow)}
.kh-users-savebar .kh-button-primary{min-width:170px}
@media(max-width:760px){.kh-users-savebar{bottom:8px;flex-wrap:wrap}.kh-users-savebar .kh-button{width:100%}}

/* v1.4.9 — compact, balanced dashboard typography and spacing */
body.kh-app-body{
  font-size:15px;
  line-height:1.65;
  text-rendering:optimizeLegibility;
}
.kh-dashboard-shell{grid-template-columns:245px minmax(0,1fr)}
.kh-sidebar{
  padding:18px 14px;
  gap:18px;
  overflow-y:auto;
  scrollbar-width:thin;
}
.kh-sidebar-brand{gap:10px;padding:0 6px 6px}
.kh-sidebar-brand>span{width:42px;height:42px;border-radius:12px;font-size:1.25rem;flex:0 0 42px}
.kh-sidebar-brand strong{font-size:1.03rem;line-height:1.35}
.kh-sidebar-brand small{font-size:.76rem;line-height:1.35}
.kh-sidebar-nav{gap:3px}
.kh-sidebar-nav a,.kh-sidebar-nav span{
  min-height:43px;
  padding:9px 12px;
  border-radius:10px;
  font-size:.96rem;
  line-height:1.35;
}
.kh-sidebar-nav a.is-active{font-weight:800}
.kh-sidebar-logout{padding:10px 12px;font-size:.94rem}
.kh-dashboard-topbar{height:66px;padding:0 22px}
.kh-dashboard-topbar strong{font-size:.94rem}
.kh-dashboard-topbar small{font-size:.75rem}
.kh-dashboard-content{padding:24px clamp(18px,2vw,28px) 32px}
.kh-page-heading{margin-bottom:20px;gap:14px}
.kh-page-heading h1{font-size:1.65rem;line-height:1.35;margin-bottom:5px}
.kh-page-heading p,.kh-page-intro{font-size:.94rem;line-height:1.7}
.kh-eyebrow{font-size:.76rem;margin-bottom:5px}
.kh-stats-grid{gap:12px}
.kh-stat-card,.kh-panel{border-radius:16px;padding:18px}
.kh-stat-card{gap:5px}
.kh-stat-card span{font-size:.9rem}
.kh-stat-card strong{font-size:1.7rem;line-height:1.15}
.kh-stat-card small{font-size:.78rem;line-height:1.5}
.kh-panel{margin-top:16px}
.kh-panel h2{font-size:1.28rem;line-height:1.45;margin-bottom:12px}
.kh-check-grid{gap:10px}
.kh-check-grid span{padding:10px 12px;font-size:.9rem}
.kh-button{min-height:40px;padding:0 18px;border-radius:10px;font-size:.9rem}
.kh-button-small{min-height:36px;padding:0 13px;font-size:.84rem}
.kh-status-pill,.kh-status-badge{font-size:.74rem}
.kh-form label{font-size:.84rem}
.kh-form input[type=text],.kh-form input[type=password],.kh-form input[type=email],.kh-form input[type=tel],.kh-form input[type=search],.kh-form input[type=number],.kh-form select,.kh-form textarea,
.kh-search-form input[type=search],.kh-decision-form input[type=text]{font-size:.92rem}
.kh-course-card h3,.kh-lecture-card h3{font-size:1.08rem}
.kh-course-card p,.kh-lecture-card p{font-size:.88rem}
.kh-topbar-logout{font-size:.82rem;padding:7px 11px}

@media (min-width:901px) and (max-width:1250px){
  .kh-dashboard-shell{grid-template-columns:225px minmax(0,1fr)}
  .kh-sidebar{padding-inline:10px}
  .kh-sidebar-nav a,.kh-sidebar-nav span{font-size:.9rem;padding-inline:10px}
  .kh-dashboard-content{padding-inline:20px}
}
@media(max-width:900px){
  body.kh-app-body{font-size:14.5px}
  .kh-sidebar{width:245px;right:-265px;padding:16px 12px}
  .kh-dashboard-content{padding:18px}
  .kh-page-heading h1{font-size:1.5rem}
}
@media(max-width:560px){
  body.kh-app-body{font-size:14px}
  .kh-dashboard-topbar{height:60px;padding:0 12px}
  .kh-dashboard-content{padding:14px 12px 24px}
  .kh-page-heading{margin-bottom:15px}
  .kh-page-heading h1{font-size:1.35rem}
  .kh-stat-card,.kh-panel{padding:15px;border-radius:14px}
  .kh-button{min-height:38px;padding:0 14px}
}

/* v1.4.12 — اتجاه رياضي عربي داخل المحرر */
.kh-visual-math-stage{direction:rtl}
.kh-visual-math-stage math-field[dir="rtl"]{direction:rtl!important;text-align:right!important;unicode-bidi:isolate}
.kh-visual-math-hint{direction:rtl;text-align:right}

/* v1.4.13 — rich Microsoft Word question paste */
.kh-word-paste-box{min-height:180px;max-height:520px;overflow:auto;direction:rtl;text-align:right;background:#fff}
.kh-word-paste-box table,.kh-word-question-content table,.kh-word-saved-body table{border-collapse:collapse;max-width:100%;width:auto;margin:10px auto}
.kh-word-paste-box td,.kh-word-paste-box th,.kh-word-question-content td,.kh-word-question-content th,.kh-word-saved-body td,.kh-word-saved-body th{padding:7px 9px;vertical-align:middle}
.kh-word-paste-box img,.kh-word-question-content img,.kh-word-saved-body img{max-width:100%;height:auto;display:inline-block}
.kh-word-paste-box p,.kh-word-question-content p,.kh-word-saved-body p{margin:.35em 0}
.kh-word-paste-box .kh-inline-math,.kh-word-question-content .kh-inline-math,.kh-word-saved-body .kh-inline-math{display:inline-block;direction:ltr;unicode-bidi:isolate;vertical-align:middle}
.kh-word-inline-image{display:flex;justify-content:center;margin:10px 0}.kh-word-inline-image img{max-width:100%;height:auto}
.kh-word-paste-note{margin:10px 0 2px;padding:10px 12px;border-radius:10px;background:color-mix(in srgb,var(--kh-primary) 6%,#fff);color:var(--kh-muted);font-size:.88rem;line-height:1.7}
.kh-word-saved-preview{margin:12px 0 16px;border:1px solid color-mix(in srgb,var(--kh-primary) 22%,var(--kh-border));border-radius:14px;background:#fff;overflow:hidden}
.kh-word-saved-preview[hidden]{display:none}.kh-word-saved-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:11px 14px;background:color-mix(in srgb,var(--kh-primary) 5%,#fff);border-bottom:1px solid var(--kh-border)}
.kh-word-saved-body{padding:16px;max-height:460px;overflow:auto;direction:rtl;text-align:right}.kh-word-saved-body>.kh-word-saved-render{margin:0}
.kh-word-question-content{direction:rtl;text-align:right;overflow-x:auto;max-width:100%;line-height:1.75}
.kh-word-question-content *{max-width:100%}.kh-word-question-content table{font-size:inherit}.kh-word-question-content td,.kh-word-question-content th{min-width:42px}
@media(max-width:700px){.kh-word-question-content table{font-size:.9em}.kh-word-question-content td,.kh-word-question-content th{padding:5px 6px}.kh-word-saved-head{align-items:flex-start}}


/* v1.4.15 — اختيارات أبسط + احتواء الصور + تكبير السؤال */
.kh-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.kh-choice-list{gap:8px!important}
.kh-choice-row.kh-choice-row-compact{display:grid!important;grid-template-columns:34px 34px minmax(0,1fr) 42px;gap:8px;align-items:center;padding:8px 10px!important;border:1px solid var(--kh-border);border-radius:12px;background:#fff;overflow:visible!important;box-shadow:none!important}
.kh-choice-row-compact .kh-choice-correct-dot{display:grid!important;place-items:center;width:30px;height:30px;padding:0!important;border:0!important;background:transparent!important;border-radius:50%;cursor:pointer}
.kh-choice-row-compact .kh-choice-correct-dot input{width:20px!important;height:20px!important;margin:0!important;accent-color:#17834f;cursor:pointer}
.kh-choice-row-compact .kh-choice-letter{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:color-mix(in srgb,var(--kh-primary) 7%,#fff);color:var(--kh-primary);font-weight:900}
.kh-choice-row-compact .kh-choice-text-wrap{position:relative;display:block;min-width:0}
.kh-choice-row-compact .kh-choice-text-wrap textarea{width:100%;min-height:42px!important;height:42px!important;resize:vertical;padding:9px 42px 9px 12px!important;margin:0!important;line-height:1.45;border-radius:10px;font-size:.95rem}
.kh-choice-row-compact .kh-compact-math-button{position:absolute;left:6px;top:6px;width:30px;height:30px;border:1px solid var(--kh-border);border-radius:8px;background:#f7f9fc;color:var(--kh-primary);font-weight:900;cursor:pointer}
.kh-choice-row-compact .kh-choice-more{position:relative;margin:0}
.kh-choice-row-compact .kh-choice-more>summary{list-style:none;width:36px;height:36px;border:1px solid var(--kh-border);border-radius:9px;display:grid;place-items:center;cursor:pointer;color:var(--kh-muted);font-weight:900;background:#fff}
.kh-choice-row-compact .kh-choice-more>summary::-webkit-details-marker{display:none}
.kh-choice-row-compact .kh-choice-more-panel{position:absolute;z-index:20;left:0;top:44px;width:min(330px,80vw);display:grid;gap:9px;padding:12px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;box-shadow:0 16px 38px rgba(21,45,72,.16)}
.kh-choice-row-compact .kh-choice-more-panel input[type=file]{min-height:42px!important}
.kh-choice-row-compact .kh-choice-remove{justify-self:start}
.kh-choice-heading small{font-size:.8rem}
@media(max-width:700px){.kh-choice-row.kh-choice-row-compact{grid-template-columns:32px 32px minmax(0,1fr) 38px;padding:7px!important;gap:6px}.kh-choice-row-compact .kh-choice-more-panel{position:fixed;left:12px;right:12px;top:auto;bottom:12px;width:auto}.kh-choice-row-compact .kh-choice-text-wrap textarea{font-size:.9rem}}

/* الصور المرفوعة للواجهة وتسجيل الدخول تظهر كاملة من دون قص */
.kh-hero-visual,.kh-login-visual{background:linear-gradient(135deg,#071c34,#0b3158)}
.kh-hero-visual img,.kh-login-visual img{object-fit:contain!important;object-position:center center!important;background:transparent!important}
.kh-settings-image-preview img{object-fit:contain!important;background:#f8fafc!important}

/* أدوات تكبير السؤال: تؤثر في النص والصورة معًا */
.kh-question-zoom-tools{display:flex;align-items:center;gap:6px;direction:ltr}
.kh-question-zoom-tools button{min-width:44px;height:38px;padding:0 10px;border:1px solid #cdd9e5;border-radius:9px;background:#fff;color:#123b68;font:inherit;font-weight:900;cursor:pointer}
.kh-question-zoom-tools button[data-kh-question-zoom="reset"]{min-width:62px;font-size:.82rem}
.kh-question-zoom-tools button:hover{border-color:#7ea4ca;background:#f5f9fd}
.kh-live-question-text{overflow-x:auto}
.kh-live-question-image-wrap{width:100%;max-width:100%;overflow:auto;margin:0 auto 24px;text-align:center;border-radius:14px}
.kh-live-question-image-wrap .kh-live-question-image{margin:0 auto!important;height:auto!important;transition:width .15s ease,max-width .15s ease}
@media(max-width:600px){.kh-question-zoom-tools button{min-width:38px;height:34px}.kh-question-zoom-tools button[data-kh-question-zoom="reset"]{min-width:56px}.kh-exam-stage-toolbar{align-items:center}}


/* v1.5.0 — جاهزية تشغيلية: صفحات الحساب، السجل، الترقيم، حالة الحفظ */
.kh-pagination{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap;padding:18px 12px 4px;direction:rtl}
.kh-pagination .page-numbers{display:grid;place-items:center;min-width:38px;height:38px;padding:0 10px;border:1px solid var(--kh-border);border-radius:9px;background:#fff;color:var(--kh-primary);text-decoration:none;font-weight:700}
.kh-pagination .page-numbers.current{background:var(--kh-primary);color:#fff;border-color:var(--kh-primary)}
.kh-account-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.kh-account-grid>.kh-panel{margin-top:0}
.kh-account-details{display:grid;gap:10px;margin:0}.kh-account-details>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--kh-border)}.kh-account-details dt{color:var(--kh-muted)}.kh-account-details dd{margin:0;font-weight:800}
.kh-health-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.kh-health-item{display:flex;gap:10px;align-items:center;padding:12px;border:1px solid var(--kh-border);border-radius:12px;background:#fff}.kh-health-item>span{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;font-weight:900}.kh-health-item.is-ok>span{background:#e7f7ee;color:#157347}.kh-health-item.is-warning>span{background:#fff0e6;color:#b45309}.kh-health-item strong,.kh-health-item small{display:block}.kh-health-item small{color:var(--kh-muted);margin-top:3px}
.kh-activity-filters{grid-template-columns:1fr 1fr 1.3fr auto}
.kh-save-state.is-local{background:#fff7df;color:#8a5a00;border-color:#eed18b}.kh-save-state.is-error.is-local{background:#fff2e8;color:#a74400}
@media(max-width:900px){.kh-account-grid{grid-template-columns:1fr}.kh-health-grid{grid-template-columns:1fr 1fr}.kh-activity-filters{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.kh-health-grid,.kh-activity-filters{grid-template-columns:1fr}}

/* v1.5.0 — أدوات إدارة الحسابات */
.kh-inline-details{display:inline-block;margin-inline-start:8px;vertical-align:middle;position:relative}.kh-inline-details>summary{cursor:pointer;color:var(--kh-primary);font-weight:700;list-style:none}.kh-inline-details>summary::-webkit-details-marker{display:none}.kh-inline-password-form{position:absolute;z-index:20;inset-inline-end:0;top:calc(100% + 8px);display:flex;gap:8px;align-items:center;padding:10px;background:#fff;border:1px solid var(--kh-border);border-radius:12px;box-shadow:0 12px 32px rgba(15,23,42,.14);min-width:320px}.kh-inline-password-form input{min-width:190px}.kh-inline-details[open]>summary{color:var(--kh-accent)}@media(max-width:760px){.kh-inline-password-form{position:fixed;left:16px;right:16px;top:auto;bottom:20px;min-width:0;flex-wrap:wrap}.kh-inline-password-form input{flex:1 1 180px}}


/* v1.5.1 — شبكة الدروس المدمجة: 3 أعمدة × 30 درسًا في الصفحة */
.kh-lessons-page-indicator{display:inline-flex;align-items:center;min-height:36px;padding:7px 12px;border-radius:999px;background:#eef4fb;color:var(--kh-primary);font-size:.78rem;font-weight:800;white-space:nowrap}
.kh-lessons-tiles,.kh-lessons-admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.kh-lesson-tile{min-height:112px;display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:12px;padding:13px 14px;background:#fff;border:1px solid var(--kh-border);border-radius:16px;box-shadow:0 5px 18px rgba(25,48,83,.045);text-decoration:none;color:inherit;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.kh-lesson-tile:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--kh-primary) 34%,var(--kh-border));box-shadow:0 10px 24px rgba(25,48,83,.08)}
.kh-lesson-tile-icon{width:50px;height:50px;display:grid;place-items:center;flex:0 0 50px;border-radius:14px;background:color-mix(in srgb,var(--kh-primary) 9%,#fff);color:var(--kh-primary);font-size:.88rem;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.kh-lesson-type-video{font-size:1.35rem}.kh-lesson-type-both{font-size:.68rem}.kh-lesson-type-pdf{font-size:.78rem}
.kh-lesson-tile-content{min-width:0;display:grid;gap:3px}.kh-lesson-tile-content small,.kh-lesson-admin-copy small{color:var(--kh-muted);font-size:.68rem;font-weight:700}.kh-lesson-tile-content strong,.kh-lesson-admin-copy strong{display:block;color:var(--kh-primary);font-size:.92rem;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kh-lesson-tile-meta,.kh-lesson-admin-copy span{display:block;min-width:0;color:var(--kh-muted);font-size:.7rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kh-lesson-tile-status{font-size:.7rem;font-weight:800;color:var(--kh-muted);white-space:nowrap}.kh-lesson-state-completed .kh-lesson-tile-icon{background:#eaf7ef;color:#18714a}.kh-lesson-state-completed .kh-lesson-tile-status{color:#18714a}.kh-lesson-state-opened .kh-lesson-tile-icon{background:#fff6df;color:#8a6200}
.kh-lessons-admin-panel{padding:16px}.kh-lesson-admin-tile{min-width:0;background:#fff;border:1px solid var(--kh-border);border-radius:16px;overflow:hidden;box-shadow:0 5px 18px rgba(25,48,83,.04)}.kh-lesson-admin-main{min-height:104px;display:grid;grid-template-columns:50px minmax(0,1fr) auto;gap:11px;align-items:center;padding:13px}.kh-lesson-admin-copy{min-width:0;display:grid;gap:3px}.kh-lesson-admin-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:9px 13px;border-top:1px solid var(--kh-border);background:#fbfcfe;font-size:.76rem}.kh-lesson-admin-actions form{margin:0}.kh-lesson-admin-actions .kh-link-button{font-size:.76rem}
@media(max-width:1050px){.kh-lessons-tiles,.kh-lessons-admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.kh-lessons-tiles,.kh-lessons-admin-grid{grid-template-columns:1fr}.kh-lesson-tile,.kh-lesson-admin-main{grid-template-columns:46px minmax(0,1fr);}.kh-lesson-tile-icon{width:46px;height:46px;flex-basis:46px}.kh-lesson-tile-status,.kh-lesson-admin-main>.kh-status-badge{grid-column:2;justify-self:start}.kh-lessons-admin-panel{padding:10px}}

/* v1.6.0 — امتدادات دون تغيير هوية الاختبار الحالية. */
.kh-external-frame-wrap{width:100%;min-height:620px;border:1px solid #dfe7f0;border-radius:18px;overflow:hidden;background:#fff;margin:16px 0}.kh-external-frame{display:block;width:100%;height:70vh;min-height:620px;border:0}.kh-subpanel{margin-top:20px;padding-top:18px;border-top:1px solid #e2e8f0}.kh-danger-zone{border:1px solid #f1c7c3;padding:18px;border-radius:16px}.kh-danger-zone h3{color:#9f261f}.kh-row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.kh-form-span-2{grid-column:1/-1}.kh-info-strip{margin-top:14px;padding:10px 12px;border-radius:10px;background:#f8fafc;border:1px solid #e2e8f0}.kh-field-help{display:block;margin-top:5px;color:#64748b}.kh-save-state.is-local{color:#9a5b00}@media(max-width:900px){.kh-external-frame-wrap,.kh-external-frame{min-height:520px}.kh-form-span-2{grid-column:auto}}

.kh-report-choice-list{display:grid;gap:8px;margin:14px 0}.kh-report-choice{display:flex;align-items:flex-start;gap:8px;padding:9px 11px;border:1px solid currentColor;border-radius:10px;opacity:.78}.kh-report-choice.is-student-choice,.kh-report-choice.is-correct-choice{opacity:1;font-weight:600}.kh-report-choice>span{flex:1}.kh-report-choice small{white-space:nowrap}.kh-report-choice-image{display:block;max-width:220px;max-height:130px;object-fit:contain;margin-top:6px;border-radius:8px}

/* v1.6.1 — إدخال صور السؤال: رفع + لصق + سحب وإفلات */
.kh-image-source{display:grid;gap:10px;margin-top:8px}
.kh-image-source-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.kh-image-method{display:inline-flex;align-items:center;gap:5px;padding:7px 10px;border:1px solid var(--kh-border);border-radius:999px;background:#fff;color:var(--kh-muted);font-size:.78rem;font-weight:700}
.kh-image-dropzone{min-height:94px;display:grid;place-items:center;align-content:center;gap:4px;padding:16px;border:2px dashed var(--kh-border);border-radius:14px;background:color-mix(in srgb,var(--kh-soft) 72%,#fff);text-align:center;cursor:copy;outline:none;transition:.18s ease}
.kh-image-dropzone strong{color:var(--kh-primary);font-size:.92rem}
.kh-image-dropzone small{color:var(--kh-muted);font-size:.8rem}
.kh-image-dropzone:hover,.kh-image-dropzone:focus{border-color:var(--kh-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--kh-primary) 10%,transparent);background:#fff}
.kh-image-dropzone.is-dragging{border-style:solid;border-color:var(--kh-primary);transform:scale(1.005);background:color-mix(in srgb,var(--kh-primary) 7%,#fff)}
.kh-image-selected-preview{display:grid;grid-template-columns:86px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px;border:1px solid var(--kh-border);border-radius:12px;background:#fff}
.kh-image-selected-preview[hidden]{display:none}
.kh-image-selected-preview img{width:86px;height:70px;object-fit:contain;border:1px solid var(--kh-border);border-radius:9px;background:#f8fafc}
.kh-image-selected-preview>div{display:grid;gap:3px;min-width:0}
.kh-image-selected-preview strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--kh-primary)}
.kh-image-selected-preview small{color:var(--kh-muted)}
.kh-image-selected-preview.is-error{border-color:#d99}
.kh-image-selected-preview.is-error img{display:none}
.kh-image-source.is-compact{gap:7px}
.kh-image-source.is-compact .kh-image-source-controls{gap:6px}
.kh-image-source.is-compact .kh-image-method{padding:5px 7px;font-size:.7rem}
.kh-image-source.is-compact .kh-image-dropzone{min-height:72px;padding:10px}
.kh-image-source.is-compact .kh-image-dropzone strong{font-size:.78rem}
.kh-image-source.is-compact .kh-image-dropzone small{font-size:.7rem}
.kh-image-source.is-compact .kh-image-selected-preview{grid-template-columns:58px minmax(0,1fr);gap:8px}
.kh-image-source.is-compact .kh-image-selected-preview img{width:58px;height:48px}
.kh-image-source.is-compact .kh-image-selected-preview>[data-kh-image-clear]{grid-column:1/-1;justify-self:start}
@media(max-width:560px){.kh-image-source-controls{align-items:stretch}.kh-image-source-controls .kh-button{width:100%}.kh-image-method{flex:1;justify-content:center}.kh-image-selected-preview{grid-template-columns:68px minmax(0,1fr)}.kh-image-selected-preview img{width:68px;height:58px}.kh-image-selected-preview>[data-kh-image-clear]{grid-column:1/-1;justify-self:start}}


/* v1.6.3 — البحث، شبكات 5 أعمدة، تبويبات الدورة، وتمييز نتيجة الاختبار */
.kh-live-searchbar{display:flex;align-items:center;gap:10px;margin:0 0 14px;padding:10px 12px;border:1px solid var(--kh-border);border-radius:14px;background:#fff;box-shadow:0 4px 16px rgba(25,48,83,.035)}
.kh-live-searchbar-pad{margin:14px}
.kh-live-searchbar>span{font-size:1rem}
.kh-live-searchbar input[type="search"]{flex:1;min-width:0;height:42px;border:0;outline:0;background:transparent;font:inherit;color:var(--kh-text)}
.kh-live-searchbar input[type="search"]::placeholder{color:var(--kh-muted)}
.kh-live-searchbar small{color:var(--kh-muted);font-weight:800;white-space:nowrap}
[data-kh-search-item][hidden],[data-kh-search-group][hidden]{display:none!important}

/* تظهر جميع الدروس والاختبارات في صفحة واحدة، 5 أعمدة على الشاشات الواسعة. */
.kh-lessons-tiles,.kh-lessons-admin-grid,.kh-exams-preview-grid,.kh-exams-list-grid{grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:12px}
.kh-exam-preview-card,.kh-exam-list-card{min-width:0;display:grid;align-content:start;gap:12px;justify-content:stretch;align-items:start}
.kh-exam-preview-card h3,.kh-exam-list-card h3{overflow-wrap:anywhere}
.kh-admin-exam-card-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:10px;border-top:1px solid var(--kh-border)}
.kh-admin-exam-card-actions form{margin:0}
.kh-admin-exam-card-main{min-width:0}

/* تبويبات واضحة وجذابة داخل الدورة. */
.kh-course-tabs.kh-course-tabs-prominent{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:24px;padding:10px;border:0;border-radius:18px;background:#f4f7fb;overflow:visible}
.kh-course-tabs-prominent .kh-course-tab{min-height:62px;display:flex;align-items:center;justify-content:center;gap:9px;padding:12px 14px;border:1px solid #d9e3ef;border-radius:15px;background:#fff;color:#254b73;font-weight:900;box-shadow:0 5px 16px rgba(25,48,83,.055);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.kh-course-tabs-prominent .kh-course-tab:hover{transform:translateY(-2px);box-shadow:0 9px 22px rgba(25,48,83,.09)}
.kh-course-tabs-prominent .kh-course-tab-icon{font-size:1.25rem;line-height:1}
.kh-course-tabs-prominent .kh-course-tab-lessons{background:#eef7ff;border-color:#c9e1f8;color:#155385}
.kh-course-tabs-prominent .kh-course-tab-exams{background:#fff3e9;border-color:#f3d5bd;color:#944d11}
.kh-course-tabs-prominent .kh-course-tab-lectures{background:#ecfaf5;border-color:#c9eadf;color:#176a50}
.kh-course-tabs-prominent .kh-course-tab-students{background:#fff8df;border-color:#eedf9e;color:#756000}
.kh-course-tabs-prominent .kh-course-tab-training{background:#f4efff;border-color:#ddd1f8;color:#60419a}
.kh-course-tabs-prominent .kh-course-tab.is-active{border-width:2px;box-shadow:0 9px 24px rgba(25,48,83,.13);transform:translateY(-1px)}

/* نتيجة الطالب: الخطأ أولًا، غير المجاب، ثم الصحيح. */
.kh-result-question-list-grouped{display:grid;gap:22px}
.kh-result-group{display:grid;gap:10px}
.kh-result-group-items{display:grid;gap:14px}
.kh-result-group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;border-radius:13px;font-weight:900}
.kh-result-group-head span{font-size:.8rem;font-weight:800}
.kh-result-group-head.is-wrong{background:#fff0ef;color:#a52d25;border:1px solid #f2c3bf}
.kh-result-group-head.is-unanswered{background:#fff8e5;color:#8a6500;border:1px solid #eadba3}
.kh-result-group-head.is-correct{background:#eaf8f0;color:#176c43;border:1px solid #bfe2ce}
.kh-result-question.is-wrong{background:#fff8f7;border-color:#efc8c4;border-right:5px solid #c53025}
.kh-result-question.is-unanswered{background:#fffdf5;border-color:#e9dba8;border-right:5px solid #c18b00}
.kh-result-question.is-correct{background:#f5fcf8;border-color:#c7e5d2;border-right:5px solid #21864f}
.kh-result-question.is-wrong .kh-result-q-head span{color:#a52d25;font-weight:900}
.kh-result-question.is-unanswered .kh-result-q-head span{color:#8a6500;font-weight:900}
.kh-result-question.is-correct .kh-result-q-head span{color:#176c43;font-weight:900}

@media(max-width:1100px){.kh-lessons-tiles,.kh-lessons-admin-grid,.kh-exams-preview-grid,.kh-exams-list-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}}
@media(max-width:900px){.kh-lessons-tiles,.kh-lessons-admin-grid,.kh-exams-preview-grid,.kh-exams-list-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}.kh-course-tabs.kh-course-tabs-prominent{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.kh-lessons-tiles,.kh-lessons-admin-grid,.kh-exams-preview-grid,.kh-exams-list-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:560px){.kh-lessons-tiles,.kh-lessons-admin-grid,.kh-exams-preview-grid,.kh-exams-list-grid{grid-template-columns:1fr!important}.kh-course-tabs.kh-course-tabs-prominent{display:flex;overflow-x:auto;padding:8px}.kh-course-tabs-prominent .kh-course-tab{min-width:142px;min-height:54px}.kh-live-searchbar{flex-wrap:wrap}.kh-live-searchbar small{width:100%;padding-inline-start:28px}.kh-result-group-head{align-items:flex-start}.kh-result-q-head{gap:8px;align-items:flex-start}}

/* v1.6.4 — إجراءات الطالب المباشرة: كلمة المرور والحذف. */
.kh-password-reset-form{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.kh-password-reset-form .kh-password-wrap{min-width:min(420px,100%);flex:1}.kh-row-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.kh-inline-password-form .kh-text-button{white-space:nowrap}.kh-inline-password-form button[type=submit]{white-space:nowrap}@media(max-width:760px){.kh-password-reset-form{align-items:stretch}.kh-password-reset-form .kh-password-wrap,.kh-password-reset-form>.kh-button{width:100%}}

/* v1.7.0 — اختيار مصادر التدريب، تصنيف الأسئلة، السبورة وشكل التدريب الرسمي */
.kh-exam-pick-fieldset{margin:4px 0 12px;padding:16px;border:1px solid var(--kh-border);border-radius:14px;background:#fbfdff}
.kh-exam-pick-fieldset legend{padding:0 8px;font-weight:900;color:var(--kh-primary)}
.kh-check-all{display:flex!important;align-items:center;gap:8px;width:max-content;margin:0 0 12px;font-weight:800!important;color:var(--kh-primary)}
.kh-check-all input{width:18px;height:18px;accent-color:var(--kh-primary)}
.kh-exam-pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.kh-exam-pick-grid>label{display:flex!important;align-items:flex-start;gap:10px;padding:11px 12px;border:1px solid var(--kh-border);border-radius:12px;background:#fff;cursor:pointer;transition:.15s ease}
.kh-exam-pick-grid>label:hover{border-color:color-mix(in srgb,var(--kh-primary) 45%,var(--kh-border));box-shadow:0 7px 18px rgba(20,58,96,.07)}
.kh-exam-pick-grid>label>input{flex:0 0 auto;width:18px;height:18px;margin-top:2px;accent-color:var(--kh-primary)}
.kh-exam-pick-grid>label>span{display:grid;gap:3px;min-width:0}.kh-exam-pick-grid strong{line-height:1.5}.kh-exam-pick-grid small{color:var(--kh-muted);font-size:.78rem}
.kh-exam-source-chips{display:flex;flex-wrap:wrap;gap:5px}.kh-exam-source-chips span{display:inline-flex;padding:4px 8px;border-radius:999px;background:color-mix(in srgb,var(--kh-primary) 8%,#fff);border:1px solid color-mix(in srgb,var(--kh-primary) 18%,var(--kh-border));font-size:.75rem;line-height:1.4;color:var(--kh-primary);font-weight:800}
.kh-stage-tool-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.kh-whiteboard-trigger{min-height:38px;padding:0 13px;border:1px solid #cdd9e5;border-radius:9px;background:#fff;color:#123b68;font:inherit;font-weight:900;cursor:pointer}.kh-whiteboard-trigger:hover{border-color:#7ea4ca;background:#f5f9fd}
.kh-whiteboard-overlay{position:fixed;inset:0;z-index:100000;background:rgba(8,22,39,.58);display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(2px)}
.kh-whiteboard-overlay[hidden]{display:none!important}
.kh-whiteboard-dialog{width:min(980px,96vw);height:min(760px,90vh);display:flex;flex-direction:column;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 28px 90px rgba(0,0,0,.28);direction:rtl}
.kh-whiteboard-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 16px;border-bottom:1px solid var(--kh-border);background:#f8fafc}.kh-whiteboard-head>div{display:grid;gap:2px}.kh-whiteboard-head small{color:var(--kh-muted);font-size:.78rem}.kh-whiteboard-head>[data-kh-wb-close]{width:38px;height:38px;border:1px solid var(--kh-border);border-radius:10px;background:#fff;font-size:1.45rem;cursor:pointer}
.kh-whiteboard-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--kh-border);background:#fff}.kh-whiteboard-tools button{min-height:36px;padding:0 13px;border:1px solid var(--kh-border);border-radius:9px;background:#fff;font:inherit;font-weight:800;cursor:pointer}.kh-whiteboard-tools button.is-active{background:var(--kh-primary);border-color:var(--kh-primary);color:#fff}.kh-whiteboard-tools [data-kh-wb-clear]{margin-inline-start:auto;color:#a12d2d}
.kh-whiteboard-canvas-wrap{position:relative;flex:1;min-height:0;background:#f2f5f8;overflow:hidden;padding:12px}.kh-whiteboard-canvas{display:block;width:100%;height:100%;box-sizing:border-box;background:#fff;border:0;border-radius:12px;touch-action:none;cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M4 27l2-7L22 4c1-1 2.6-1 3.6 0l2.4 2.4c1 1 1 2.6 0 3.6L12 26l-8 1z' fill='%23ffffff' stroke='%23123b68' stroke-width='2'/%3E%3Cpath d='M6 20l6 6-8 1 2-7z' fill='%23f5b942' stroke='%23123b68' stroke-width='1.5'/%3E%3Cpath d='M20 6l6 6' stroke='%23123b68' stroke-width='2'/%3E%3C/svg%3E") 4 27, crosshair;box-shadow:inset 0 0 0 1px #d7e0e9}.kh-whiteboard-canvas.is-eraser{cursor:cell}
.kh-training-exam-page .kh-training-clock strong{font-variant-numeric:tabular-nums}.kh-training-exam-page .kh-training-question-map a{text-decoration:none}.kh-training-locked-choices{opacity:.94}.kh-training-locked-choices .kh-live-choice:has(input:checked){border-color:var(--kh-primary);background:color-mix(in srgb,var(--kh-primary) 6%,#fff)}
@media(max-width:760px){.kh-exam-pick-grid{grid-template-columns:1fr}.kh-whiteboard-overlay{padding:0}.kh-whiteboard-dialog{width:100vw;height:100dvh;max-height:none;border-radius:0}.kh-whiteboard-canvas-wrap{padding:8px}.kh-whiteboard-tools [data-kh-wb-clear]{margin-inline-start:0}.kh-stage-tool-group{gap:5px}.kh-whiteboard-trigger{min-height:34px;padding:0 10px;font-size:.84rem}}

/* v1.7.2 — السبورة بجوار السؤال بدل النافذة المنبثقة */
.kh-whiteboard-inline-panel{position:absolute;z-index:8;inset-block-start:68px;inset-inline-end:12px;inset-block-end:86px;width:min(42%,520px);display:flex;flex-direction:column;min-width:320px;background:#fff;border:1px solid #cfdae6;border-radius:16px;overflow:hidden;box-shadow:0 12px 34px rgba(18,59,104,.14);direction:rtl}
.kh-whiteboard-inline-panel[hidden]{display:none!important}
.kh-whiteboard-inline-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-bottom:1px solid var(--kh-border);background:#f8fafc}
.kh-whiteboard-inline-head>div{display:grid;gap:1px}.kh-whiteboard-inline-head strong{color:var(--kh-primary)}.kh-whiteboard-inline-head small{font-size:.72rem;color:var(--kh-muted);line-height:1.5}
.kh-whiteboard-inline-head>[data-kh-wb-close]{width:34px;height:34px;flex:0 0 34px;border:1px solid var(--kh-border);border-radius:9px;background:#fff;color:var(--kh-primary);font-size:1.25rem;cursor:pointer}
.kh-whiteboard-inline-panel .kh-whiteboard-tools{padding:8px 10px}.kh-whiteboard-inline-panel .kh-whiteboard-tools button{min-height:34px;padding:0 10px;font-size:.82rem}
.kh-whiteboard-inline-panel .kh-whiteboard-canvas-wrap{padding:8px;min-height:0;flex:1;background:#edf2f7}
.kh-whiteboard-inline-panel .kh-whiteboard-canvas{border-radius:10px}
.kh-whiteboard-trigger.is-active{background:var(--kh-primary);border-color:var(--kh-primary);color:#fff}
/* مساحة السؤال تنكمش فقط أثناء فتح السبورة، فتظل السبورة والسؤال ظاهرين معًا. */
.kh-exam-question-stage.kh-whiteboard-open .kh-live-question-deck,
.kh-exam-question-stage.kh-whiteboard-open > .kh-live-question,
.kh-exam-question-stage.kh-whiteboard-open > .kh-save-state{margin-inline-end:calc(min(42%,520px) + 20px)}
.kh-mistake-question-stage{position:relative}
.kh-mistake-question-stage.kh-whiteboard-open > :not(.kh-panel-heading):not(.kh-mistake-watermark):not(.kh-whiteboard-inline-panel){margin-inline-end:calc(min(42%,520px) + 20px)}
.kh-mistake-question-stage .kh-whiteboard-inline-panel{inset-block-start:86px;inset-block-end:18px}
@media(max-width:1050px) and (min-width:821px){
  .kh-whiteboard-inline-panel{width:44%;min-width:290px}
  .kh-exam-question-stage.kh-whiteboard-open .kh-live-question-deck,
  .kh-exam-question-stage.kh-whiteboard-open > .kh-live-question,
  .kh-exam-question-stage.kh-whiteboard-open > .kh-save-state,
  .kh-mistake-question-stage.kh-whiteboard-open > :not(.kh-panel-heading):not(.kh-mistake-watermark):not(.kh-whiteboard-inline-panel){margin-inline-end:calc(44% + 20px)}
}
@media(max-width:820px){
  .kh-whiteboard-inline-panel,.kh-mistake-question-stage .kh-whiteboard-inline-panel{position:relative;inset:auto;width:auto;min-width:0;height:390px;margin:12px 14px 18px;border-radius:14px}
  .kh-exam-question-stage.kh-whiteboard-open .kh-live-question-deck,
  .kh-exam-question-stage.kh-whiteboard-open > .kh-live-question,
  .kh-exam-question-stage.kh-whiteboard-open > .kh-save-state,
  .kh-mistake-question-stage.kh-whiteboard-open > :not(.kh-panel-heading):not(.kh-mistake-watermark):not(.kh-whiteboard-inline-panel){margin-inline-end:0}
}

/* v1.7.3 — تصنيف «أخطائي» حسب الاختبارات */
.kh-mistake-filters{grid-template-columns:minmax(220px,1fr) minmax(190px,280px) minmax(170px,240px) auto}
.kh-mistake-grouped-list{gap:22px}
.kh-mistake-exam-group{display:grid;gap:12px}
.kh-mistake-exam-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border:1px solid #d8e3ef;border-radius:15px;background:linear-gradient(135deg,#f7fbff,#eef5fc)}
.kh-mistake-exam-heading .kh-eyebrow{margin-bottom:3px}
.kh-mistake-exam-heading h2{margin:0;color:var(--kh-primary);font-size:1.05rem}
.kh-mistake-exam-count{display:inline-flex;align-items:center;justify-content:center;min-width:76px;padding:8px 12px;border-radius:999px;background:#123b68;color:#fff;font-size:.82rem;font-weight:900;white-space:nowrap}
.kh-mistake-exam-items{display:grid;gap:12px;padding-inline:8px}
@media(max-width:900px){.kh-mistake-filters{grid-template-columns:1fr 1fr}.kh-mistake-filters .kh-button{width:100%;justify-content:center}}
@media(max-width:650px){.kh-mistake-filters{grid-template-columns:1fr}.kh-mistake-exam-heading{align-items:flex-start;flex-direction:column}.kh-mistake-exam-count{min-width:0}}

/* v1.7.4 — «أخطائي» كبطاقات اختبارات تفتح أسئلتها */
.kh-mistake-library-panel{display:grid;gap:20px}
.kh-mistake-library-toolbar{padding-bottom:0;border-bottom:0}
.kh-mistake-exam-browser-heading{margin:0;padding-bottom:0;border-bottom:0}
.kh-mistake-exam-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:16px}
.kh-mistake-exam-card{position:relative;display:flex;min-height:150px;flex-direction:column;justify-content:space-between;gap:12px;padding:18px;border:1px solid #d9e4ef;border-radius:18px;background:linear-gradient(145deg,#fff,#f5f9fd);box-shadow:0 8px 24px rgba(18,59,104,.06);color:inherit;text-decoration:none;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.kh-mistake-exam-card:before{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:5px;background:var(--kh-primary)}
.kh-mistake-exam-card:hover{transform:translateY(-2px);border-color:#9ebad6;box-shadow:0 12px 28px rgba(18,59,104,.11)}
.kh-mistake-exam-card.is-selected{border-color:var(--kh-primary);box-shadow:0 0 0 2px rgba(18,59,104,.08),0 12px 28px rgba(18,59,104,.1)}
.kh-mistake-exam-card.is-unassigned:before{background:#7b8794}
.kh-mistake-exam-card-course{font-size:.78rem;font-weight:800;color:#66788b}
.kh-mistake-exam-card h3{margin:0;color:var(--kh-primary);font-size:1.02rem;line-height:1.65}
.kh-mistake-exam-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.kh-mistake-exam-card-footer strong{display:inline-flex;align-items:center;justify-content:center;min-width:78px;padding:7px 11px;border-radius:999px;background:#fff0e8;color:#a6461d;font-size:.82rem;font-weight:900}
.kh-mistake-exam-card-footer span{font-size:.82rem;font-weight:800;color:var(--kh-primary)}
.kh-mistake-selected-exam{display:grid;gap:16px;margin-top:4px;padding-top:20px;border-top:1px solid #e3eaf2}
.kh-mistake-selected-exam-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border:1px solid #d8e3ef;border-radius:15px;background:linear-gradient(135deg,#f7fbff,#eef5fc)}
.kh-mistake-selected-exam-head h2{margin:2px 0 0;color:var(--kh-primary);font-size:1.08rem}
.kh-mistake-question-filters{display:grid;grid-template-columns:minmax(260px,1fr) minmax(180px,260px) auto;gap:10px}
@media(max-width:900px){.kh-mistake-exam-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-mistake-question-filters{grid-template-columns:1fr 1fr}.kh-mistake-question-filters .kh-button{grid-column:1/-1;width:100%;justify-content:center}}
@media(max-width:620px){.kh-mistake-exam-card-grid{grid-template-columns:1fr}.kh-mistake-selected-exam-head{align-items:flex-start;flex-direction:column}.kh-mistake-question-filters{grid-template-columns:1fr}}

/* v1.7.5 — روابط وسائط متعددة المصادر: فيديو مباشر/مشغلات خارجية وPDF خارجي */
.kh-external-video-frame{background:#05080d;min-height:420px}.kh-external-video-frame .kh-video-external-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;background:#0c1625;color:#fff;text-align:center}.kh-external-video-frame .kh-video-external-fallback .kh-notice{max-width:620px}.kh-external-pdf-frame{background:#fff}.kh-external-pdf-frame iframe{display:block;width:100%;height:min(78vh,900px);min-height:620px;border:0;background:#fff}.kh-youtube-frame{background:#111}.kh-youtube-frame iframe{display:block;width:100%;aspect-ratio:16/9;min-height:420px;border:0;background:#111}.kh-external-pdf-frame .kh-dynamic-watermark{background:rgba(18,59,103,.08);color:rgba(18,59,103,.45);text-shadow:none}
@media(max-width:720px){.kh-external-video-frame{min-height:230px}.kh-youtube-frame iframe{min-height:240px}.kh-external-pdf-frame iframe{min-height:540px;height:72vh}}

.kh-video-external-fallback{position:absolute;inset:0;display:flex;flex-direction:column;gap:12px;background:#0c1625;color:#fff}.kh-video-external-fallback iframe{flex:1;min-height:0;width:100%;border:0;background:#111}.kh-video-fallback-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding:12px 16px;text-align:center}.kh-video-fallback-actions span{color:rgba(255,255,255,.78);font-size:.86rem}

/* v1.7.6 — الاختبارات الذكية بنفس واجهة الاختبار الرسمي ونتائجها */
.kh-training-result-stats{grid-template-columns:repeat(5,minmax(0,1fr))}.kh-result-group-title{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;margin:20px 0 12px;border-radius:14px;font-weight:900;border:1px solid var(--kh-border)}.kh-result-group-title.is-wrong{background:#fff2f1;color:#a52c23;border-color:#efc8c4}.kh-result-group-title.is-unanswered{background:#fff8ea;color:#9a5d09;border-color:#efd8a9}.kh-result-group-title.is-correct{background:#eefaf2;color:#28784a;border-color:#cce8d5}.kh-training-exam-page .kh-exam-layout{direction:ltr}.kh-training-exam-page .kh-exam-sidebar-panel,.kh-training-exam-page .kh-exam-question-stage{direction:rtl}
@media(max-width:1100px){.kh-training-result-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.kh-training-create-form{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.kh-training-result-stats{grid-template-columns:1fr 1fr}.kh-training-create-form{grid-template-columns:1fr}.kh-training-result-review .kh-result-question-list{grid-template-columns:1fr}}