/* AMISA 46 — accessible PDF / MP4 preview */
.a46-teacher-panel,.a46-content-panel{border-radius:19px;padding:21px;background:#102c41;border:1px solid #315976;color:#f3fcff;margin:0 0 23px;direction:rtl}
.a46-head{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}
.a46-head h2,.a46-content-panel h2{font-size:21px;line-height:1.6;color:#f4fcff;margin:3px 0 7px}
.a46-head p,.a46-explain{color:#c2d6e6;font-size:13px;line-height:1.85}
.a46-kicker{color:#4bd7c8;font-size:12px;font-weight:800}.a46-chip{color:#bff9f2;border-radius:30px;padding:7px 12px;border:1px solid #376c77;font-size:12px}
.a46-chooser,.a46-upload-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:17px 0}
.a46-chooser label{color:#d8e9ee;font-size:13px;font-weight:800;display:flex;flex-direction:column;gap:8px}
.a46-chooser select,.a46-upload-box input[type=text]{width:100%;box-sizing:border-box;min-width:0;border-radius:10px;padding:12px;background:#092437;border:1px solid #41748b;color:#fff;font:inherit;font-size:13px}
.a46-chooser option{background:#092437;color:white}
.a46-upload-box{min-width:0;border:1px solid #41647d;background:#16394e;padding:17px;border-radius:16px;display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.a46-upload-box h3{color:white;font-size:17px;margin:2px 0}.a46-upload-box p,.a46-upload-box small{font-size:12px;line-height:1.7;color:#cbdce9;margin:0}
.a46-upload-box input[type=text],.a46-upload-box input[type=file]{width:100%;box-sizing:border-box;max-width:100%}
.a46-upload-box input[type=file]{font-size:12px;color:#e5f4ff}
.a46-upload-box button,.a46-asset button{border:0;cursor:pointer;border-radius:9px;background:#20cab7;color:#052c35;font-weight:900;padding:9px 14px;font:inherit;font-size:13px}
.a46-asset button{min-width:90px;flex-shrink:0;font-weight:800}
.a46-format{font-size:12px;font-weight:900;letter-spacing:.04em;border-radius:9px;padding:6px 10px;display:inline-block}
.a46-format.pdf{background:#c9404b;color:white}.a46-format.mp4{background:#16a995;color:#042c33}
.a46-assets{margin-top:14px}.a46-assets h3{font-size:16px;color:#ecffff}
.a46-asset{display:flex;gap:12px;align-items:center;justify-content:space-between;border:1px solid #37617a;border-radius:12px;background:#193c52;padding:13px;margin:10px 0;min-width:0}
.a46-asset strong{font-size:14px;display:block;overflow-wrap:anywhere}.a46-asset small{font-size:11px;color:#c3d8e5;display:block;margin-top:4px}
.a46-warning{font-size:12px;color:#a9c5d4;line-height:1.9;margin:14px 0 0}
.a46-content-heading{display:flex;align-items:center;gap:10px}.a46-empty{color:#d1e3ef;border:1px dashed #48738b;border-radius:13px;padding:24px;font-size:15px}
.a46-empty small{display:block;font-size:12px;color:#a7c5d7;margin-top:10px;line-height:1.6}
.a46-viewer:not(:empty){margin-top:18px;border:1px solid #466f88;border-radius:14px;background:#092236;padding:12px;overflow:hidden}
.a46-viewer h3{color:#ecffff;font-size:16px;margin:4px 0 12px}
.a46-pdf-frame{display:block;border:0;border-radius:8px;background:#fff;width:100%;height:min(78vh,780px);min-height:390px}
.a46-video-frame{display:block;width:100%;max-height:75vh;aspect-ratio:16/9;background:#000;border-radius:10px}
@media(max-width:650px){.a46-chooser,.a46-upload-grid{grid-template-columns:1fr}.a46-teacher-panel,.a46-content-panel{padding:13px}.a46-pdf-frame{min-height:420px}.a46-asset{flex-wrap:wrap}.a46-asset button{width:100%}}