*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text)}:root{--bg:#0b0f14;--card:#121621;--text:#e6e8ee;--muted:#98a2b3;--primary:#6e56cf;--primary-700:#5b45b7;--danger:#ef4444;--success:#22c55e;--border:#1e2430;--glow:#6e56cf33}body.theme-light{--bg:#f7f8fb;--card:#ffffff;--text:#0c111b;--muted:#596579;--border:#e5e7eb;--glow:#6e56cf22}
.container{width:100%;max-width:980px;margin:0 auto;padding:24px}
.container.small{max-width:720px}
.site-header{border-bottom:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent)}
.topbar{display:flex;align-items:center;justify-content:space-between}
.site-header h1{margin:0;font-size:28px}
.site-header .subtitle{margin:6px 0 0 0;color:var(--muted)}
.card{margin-top:24px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 10px 30px var(--glow)}
.form-label{display:block;margin-bottom:8px;font-weight:600}
.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:transparent;color:var(--text)}
.input:focus{outline:2px solid #2f3650;border-color:#2f3650}
.input-row{display:grid;grid-template-columns:1fr auto;gap:12px}
.form-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.checkbox{margin:4px 0 0 2px;color:var(--muted);display:flex;align-items:center;gap:8px}
.btn{padding:12px 16px;border-radius:12px;border:none;background:var(--primary);color:#fff;font-weight:600;cursor:pointer;transition:transform .08s ease,filter .2s}
.btn:hover{background:var(--primary-700)}.btn:active{transform:scale(0.98)}
.icon-btn{background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:10px;cursor:pointer}
.link-btn{background:transparent;border:none;color:var(--primary);cursor:pointer;font-weight:600}
.spinner{display:flex;align-items:center;gap:10px;margin-top:12px;color:var(--muted)}
.loader{width:18px;height:18px;border-radius:50%;border:2px solid var(--muted);border-top-color:var(--primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.dropzone{margin-top:12px;border:1.5px dashed var(--border);border-radius:12px;padding:14px;color:var(--muted);text-align:center}
.dropzone.active{background:rgba(110,86,207,0.08);border-color:var(--primary)}
.notice{margin-top:16px;color:var(--muted)}
.site-footer{margin-top:24px;border-top:1px solid var(--border)}
.video-card{margin-top:18px}
.video{width:100%;max-height:520px;border-radius:12px;background:black}
.actions{display:flex;gap:10px;margin-top:12px}
.a-btn{display:inline-block;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:600}
.a-primary{background:var(--primary);color:#fff}
.a-secondary{background:#252a36;color:var(--text)}
.error{color:var(--danger)}.success{color:var(--success)}.small{font-size:13px}
.hidden{display:none}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--card);border:1px solid var(--border);color:var(--text);padding:10px 14px;border-radius:10px;box-shadow:0 8px 24px var(--glow)}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.history-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.history-item{border:1px solid var(--border);border-radius:10px;padding:10px}
.history-item .title{font-weight:600}
.history-actions{display:flex;gap:8px;margin-top:8px}
@media (max-width:720px){.history-list{grid-template-columns:1fr}.input-row{grid-template-columns:1fr}}