:root{--bg:#f6f7fb;--surface:#fff;--text:#141824;--muted:#5d667a;--border:#e3e6ef;--primary:#2f6fed;--primary-hover:#1f58cc;--danger:#d6384a;--ok:#1f9d63;--radius:12px;--shadow:0 1px 2px #1018280f, 0 4px 16px #1018280f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0d1017;--surface:#161a23;--text:#e8ebf2;--muted:#98a1b3;--border:#262c3a;--primary:#5b8cff;--primary-hover:#7aa2ff;--shadow:none}}*{box-sizing:border-box}body{margin:0}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 .5rem;line-height:1.2}.app{flex-direction:column;min-height:100vh;display:flex}.main{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:2rem 1rem 3rem}.header{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.5rem;display:flex;position:sticky;top:0}.brand{color:var(--text);align-items:center;gap:.5rem;font-size:1.1rem;display:flex}.brand:hover{text-decoration:none}.brand-mark{color:var(--primary)}.nav{align-items:center;gap:1rem;display:flex}.nav a:not(.btn){color:var(--muted);font-weight:500}.nav a.active{color:var(--text)}.nav-user{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:12rem;font-size:.9rem;overflow:hidden}.footer{text-align:center;color:var(--muted);padding:1.5rem;font-size:.85rem}.btn{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.4rem;padding:.55rem 1rem;font-weight:600;display:inline-flex;text-decoration:none!important}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{color:var(--text);border-color:var(--border);background:0 0}.btn-ghost:hover{background:var(--bg)}.btn-danger{color:var(--danger);border-color:var(--border);background:0 0}.btn-lg{padding:.8rem 1.4rem;font-size:1.05rem}.btn-sm{padding:.3rem .65rem;font-size:.85rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.5rem;padding:1.5rem}.muted{color:var(--muted)}.small{font-size:.8rem}.error{color:var(--danger);margin:0}form label{flex-direction:column;gap:.35rem;margin-bottom:1rem;font-weight:500;display:flex}form label.checkbox{flex-direction:row;align-items:center;font-weight:400}input,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem}input:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:1px}input[type=checkbox]{width:1rem;height:1rem}.auth-card{flex-direction:column;max-width:420px;margin:2rem auto;display:flex}.auth-card .btn{margin:.5rem 0 1rem}.auth-card p{text-align:center;margin:0}.hero{text-align:center;max-width:760px;margin:0 auto;padding:3rem 0 2rem}.hero h1{margin-bottom:1rem;font-size:clamp(2rem,5vw,3.2rem)}.eyebrow{color:var(--primary);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:700}.lead{color:var(--muted);font-size:1.15rem}.hero-actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:1.5rem;display:flex}.features{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:2rem;display:grid}.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.feature p{color:var(--muted);margin:0}.page-head{margin-bottom:1.5rem}.page-head p{margin:0}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem;display:grid}.video-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);box-shadow:var(--shadow);transition:transform .15s;overflow:hidden}.video-card:hover{text-decoration:none;transform:translateY(-2px)}.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#2f6fed,#7b3fe4 60%,#c2368f);place-items:center;display:grid}.play{color:#2f6fed;background:#ffffffe6;border-radius:50%;place-items:center;width:3.25rem;height:3.25rem;padding-left:.2rem;font-size:1.1rem;display:grid}.video-card-body{padding:1rem}.video-card-body h3{font-size:1.05rem}.clamp{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 .5rem;display:-webkit-box;overflow:hidden}.meta{color:var(--muted);margin:0;font-size:.85rem}.empty{text-align:center;color:var(--muted);padding:4rem 1rem}.empty h2{color:var(--text)}.watch{max-width:960px;margin:0 auto}.back{margin-bottom:1rem;display:inline-block}.player{aspect-ratio:16/9;border-radius:var(--radius);background:#000;width:100%;margin-bottom:1rem}.description{white-space:pre-wrap}.admin-layout{grid-template-columns:minmax(280px,380px) 1fr;align-items:start;gap:1.5rem;display:grid}@media (width<=860px){.admin-layout{grid-template-columns:1fr}}.upload{flex-direction:column;display:flex}.progress{background:var(--bg);border:1px solid var(--border);border-radius:8px;height:1.5rem;margin-bottom:1rem;position:relative;overflow:hidden}.progress div{background:var(--primary);height:100%;transition:width .2s}.progress span{place-items:center;font-size:.8rem;font-weight:600;display:grid;position:absolute;inset:0}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:.6rem .5rem}.table th{color:var(--muted);font-size:.85rem;font-weight:600}.actions{justify-content:flex-end;gap:.4rem;display:flex}.badge{background:var(--bg);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:.15rem .5rem;font-size:.75rem;font-weight:600}.badge-ok{color:var(--ok);border-color:var(--ok)}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:2rem;height:2rem;margin:4rem auto;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=600px){.header{padding:.75rem 1rem}.nav-user{display:none}}