:root{--ground:#fbf8f2;--surface:#fff;--ink:#1f1b16;--ink-2:#3e372e;--muted:#5e554a;--line:#e8dfce;--line-strong:#d8ccb6;--night:#1c1915;--gold:#b8924a;--gold-light:#fcda8e;--gold-deep:#7a5c24;--gold-deeper:#5c4419;--gold-tint:#f3ecdf;--track:#efe7d8;--danger:#a3361f;--danger-tint:#fbeae5;--success:#2f6b3a;--success-tint:#e7f2e7;--radius:12px;color:var(--ink);background:var(--ground);-webkit-font-smoothing:antialiased;font-family:IBM Plex Sans Arabic,system-ui,-apple-system,Segoe UI,Tahoma,sans-serif;line-height:1.6}*{box-sizing:border-box}body{background:var(--ground);margin:0}h1,h2,h3,p{margin:0}a{color:var(--gold-deep)}a:hover{color:var(--gold-deeper)}:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.muted{color:var(--muted)}.small{font-size:13px}.strong{font-weight:600}.btn{min-height:44px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;padding:0 18px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--gold-deep);color:#fff}.btn-primary:hover:not(:disabled){background:var(--gold-deeper);color:#fff}.btn-ghost{color:var(--ink-2);border-color:var(--line-strong);background:0 0;font-weight:500}.btn-ghost:hover{background:var(--gold-tint)}.btn-block{width:100%;min-height:52px;font-size:17px}.field{flex-direction:column;gap:8px;display:flex}.field-label-row{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.field label{font-size:14px;font-weight:600}.field-label-row a{font-size:14px;text-decoration:none}.field input{border:1px solid var(--line-strong);background:var(--surface);height:48px;font:inherit;color:var(--ink);border-radius:10px;padding:0 14px;font-size:16px}.field input[dir=ltr]{text-align:left}.field input:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}.alert{border-radius:10px;padding:12px 16px;font-size:15px;line-height:1.7}.alert-error{background:var(--danger-tint);color:var(--danger)}.alert-success{background:var(--success-tint);color:var(--success)}.alert-info{background:var(--gold-tint);color:var(--ink-2)}.note{background:var(--gold-tint);color:var(--gold-deep);border-radius:10px;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.note p{color:var(--ink-2);font-size:14px;line-height:1.7}.note svg{flex:none;margin-top:3px}.auth-layout{flex-wrap:wrap;min-height:100vh;display:flex}.auth-brand{background:var(--night);color:#f3ebdd;flex-direction:column;flex:440px;justify-content:space-between;gap:32px;padding:56px 40px 32px;display:flex}.auth-brand-top{text-align:center;flex-direction:column;align-items:center;gap:36px;padding-top:40px;display:flex}.auth-brand-top img{width:300px;max-width:80%;height:auto}.auth-brand h1{color:var(--gold-light);font-size:30px}.auth-brand-top p{color:#d9cdb8;max-width:420px;margin-top:10px;font-size:17px;line-height:1.8}.auth-brand-foot{text-align:center;color:#a99c86;font-size:13px}.auth-panel{flex:440px;justify-content:center;align-items:center;padding:48px 20px;display:flex}.auth-form{flex-direction:column;gap:22px;width:100%;max-width:400px;display:flex}.auth-heading{flex-direction:column;gap:8px;display:flex}.auth-heading h2{font-size:28px}.auth-heading p{color:var(--muted);font-size:15px;line-height:1.7}.back-link{text-align:center;padding:8px;font-size:15px;text-decoration:none}@media (width<=900px){.auth-brand{flex-basis:100%;padding:32px 20px 20px}.auth-brand-top{gap:20px;padding-top:0}.auth-brand-top img{width:200px}.auth-brand-top p,.auth-brand-foot{display:none}.auth-brand h1{font-size:22px}}.topbar{background:var(--surface);border-bottom:1px solid var(--line)}.topbar-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;max-width:1200px;margin:0 auto;padding:10px 20px;display:flex}.topbar-start{flex-wrap:wrap;align-items:center;gap:28px;display:flex}.topbar-logo{width:auto;height:52px;display:block}.topnav{flex-wrap:wrap;gap:6px;display:flex}.topnav a{color:var(--ink-2);border-radius:8px;padding:10px 16px;font-size:15px;text-decoration:none}.topnav a.active{background:var(--gold-tint);color:var(--gold-deeper);font-weight:600}.topbar-user{align-items:center;gap:12px;display:flex}.topbar-user-text{text-align:left;flex-direction:column;line-height:1.4;display:flex}.topbar-user-name{font-size:14px;font-weight:600}.topbar-user-org{color:var(--muted);font-size:12px}.avatar{background:var(--night);width:44px;height:44px;color:var(--gold-light);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}@media (width<=600px){.topbar-user-text{display:none}}.page{max-width:1200px;margin:0 auto;padding:36px 20px 64px}.stack{flex-direction:column;gap:16px;display:flex}.stack-lg{flex-direction:column;gap:28px;display:flex}.page-head h1{font-size:30px}.page-head p{color:var(--muted);margin-top:6px;font-size:16px}.section-title{font-size:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px}.stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:4px;padding:18px 22px;display:flex}.stat span{color:var(--muted);font-size:14px}.stat strong{font-size:32px;line-height:1.2}.empty{background:var(--surface);border:1px dashed var(--line-strong);text-align:center;border-radius:16px;flex-direction:column;gap:6px;padding:40px 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h3{margin-bottom:4px;font-size:18px;line-height:1.5}.progress-block{flex-direction:column;gap:6px;display:flex}.progress-labels{color:var(--muted);justify-content:space-between;font-size:13px;display:flex}.progress{background:var(--track);border-radius:999px;height:8px;overflow:hidden}.progress>div{background:var(--gold);border-radius:999px;height:100%}.course-foot{justify-content:space-between;align-items:center;gap:12px;margin-top:auto;display:flex}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:15px}.table th{text-align:right;color:var(--muted);border-bottom:1px solid var(--line);padding:10px 8px;font-weight:600}.table td{border-bottom:1px solid #f1eadc;padding:14px 8px}.center-page{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.message-card{text-align:center;flex-direction:column;align-items:center;gap:14px;max-width:460px;display:flex}.message-logo{width:180px}.spinner{border:3px solid var(--track);border-top-color:var(--gold);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2.4s}}.field textarea,.field select{border:1px solid var(--line-strong);background:var(--surface);font:inherit;color:var(--ink);border-radius:10px;padding:10px 14px;font-size:16px;line-height:1.7}.field select{height:48px;padding:0 12px}.field textarea:focus,.field select:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}.field input[type=file]{height:auto;padding:10px}.field.narrow{max-width:260px}.field.grow,.grow{flex:240px;min-width:0}.hint{color:var(--muted);font-size:13px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.row{flex-wrap:wrap;align-items:center;display:flex}.row-between{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.gap-xs{gap:4px}.gap-s{gap:8px}.inline-form{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.btn-sm{min-height:36px;padding:0 12px;font-size:14px}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{color:#fff;background:#82291a}.text-danger{color:var(--danger)}.icon-btn{border:1px solid var(--line-strong);background:var(--surface);width:36px;height:36px;color:var(--ink-2);cursor:pointer;border-radius:8px;font-size:11px}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.crumb{margin-bottom:4px;font-size:14px;text-decoration:none;display:inline-block}.pill{white-space:nowrap;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.pill-on{background:var(--success-tint);color:var(--success)}.pill-off{color:var(--ink-2);background:#f3ebdd}.danger-zone{border-color:#ebcfc7;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.file-chip{background:var(--gold-tint);border-radius:8px;padding:6px 12px;font-size:14px;display:inline-block}.lesson-admin-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.lesson-admin-list li{border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;padding:12px;display:flex}.lesson-admin-list li.editing{border-color:var(--gold);background:var(--gold-tint)}.lesson-num{background:var(--night);width:32px;height:32px;color:var(--gold-light);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.lesson-admin-main{flex-direction:column;flex:200px;min-width:0;display:flex}.lesson-form{border-top:1px solid var(--line);padding-top:18px}.lesson-form h3{font-size:17px}.assign-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.assign-list li{border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 12px;display:flex}.assign-form{border-top:1px solid var(--line);flex-wrap:wrap;align-items:flex-end;gap:12px;padding-top:12px;display:flex}.player{flex-direction:column;gap:24px;display:flex}.player-head{flex-direction:column;gap:8px;display:flex}.player-title{font-size:26px}.player-progress{color:var(--muted);align-items:center;gap:12px;font-size:14px;display:flex}.player-progress .progress{flex:0 220px}.player-grid{flex-wrap:wrap;align-items:flex-start;gap:24px;display:flex}.outline{flex:280px;padding:12px}.outline h2{margin:8px 10px 10px;font-size:16px}.outline ol{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.outline a{min-height:44px;color:var(--ink);border-radius:10px;align-items:center;gap:12px;padding:10px;font-size:14px;line-height:1.5;text-decoration:none;display:flex}.outline a:hover{background:#f8f3ea}.outline a.current{background:var(--gold-tint);font-weight:600}.dot{border:2px solid var(--line-strong);width:26px;height:26px;color:var(--muted);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.dot-current{border-color:var(--gold-deep);color:var(--gold-deep)}.dot-done{background:var(--gold-deep);border-color:var(--gold-deep)}.lesson-main{flex-direction:column;flex:999 560px;gap:22px;min-width:0;display:flex}.video{aspect-ratio:16/9;background:var(--night);border-radius:16px;position:relative;overflow:hidden}.video iframe,.video video{border:0;width:100%;height:100%;position:absolute;inset:0}.lesson-kicker{color:var(--gold-deep);font-size:14px;font-weight:600}.lesson-title{margin-top:4px;font-size:26px;line-height:1.4}.lesson-body{flex-direction:column;gap:14px;font-size:17px;line-height:1.95;display:flex}.lesson-body h3{margin-top:8px;font-size:19px}.lesson-body ul{flex-direction:column;gap:6px;margin:0;padding-inline-start:22px;display:flex}.lesson-body li::marker{color:var(--gold)}.slides{background:var(--surface);border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:12px;padding:14px;display:flex}.slides-frame{aspect-ratio:16/10;border:1px solid var(--line);background:#fff;border-radius:10px;width:100%}@media (width<=700px){.slides-frame{display:none}}.lesson-nav{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:16px;display:flex}