:root {
    --bg: #0b1020;
    --bg2: #111936;
    --panel: rgba(255,255,255,.08);
    --panel2: rgba(255,255,255,.12);
    --text: #eef3ff;
    --muted: #9aa8c7;
    --line: rgba(255,255,255,.14);
    --brand: #7c5cff;
    --brand2: #20d6b5;
    --danger: #ff5470;
    --ok: #28d17c;
    --warn: #ffbf47;
    --shadow: 0 24px 80px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    margin: 0;
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
    background:
        radial-gradient(circle at 12% 5%, rgba(124,92,255,.42), transparent 28rem),
        radial-gradient(circle at 88% 0%, rgba(32,214,181,.28), transparent 25rem),
        linear-gradient(180deg, #0b1020 0%, #0d1329 58%, #070b16 100%);
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 26px 0 56px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 42px; }
.topbar.compact { margin-bottom: 22px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.logo { width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--brand2)); box-shadow: 0 10px 36px rgba(124,92,255,.35); }
.pill { padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.05); backdrop-filter: blur(18px); }
.hero { padding: 28px; border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.05)); box-shadow: var(--shadow); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.eyebrow { margin: 0 0 10px; text-transform: uppercase; letter-spacing: .16em; color: var(--brand2); font-size: 12px; font-weight: 800; }
h1, h2, h3 { margin: 0; letter-spacing: -.04em; line-height: 1.05; }
h1 { font-size: clamp(38px, 6vw, 78px); max-width: 820px; }
h2 { font-size: 28px; }
h3 { font-size: 19px; }
.lead { color: #c8d2ee; font-size: 18px; line-height: 1.75; max-width: 720px; }
.upload-card, .panel, .side-card, .player-card, .stat, .video-card { border: 1px solid var(--line); background: rgba(255,255,255,.075); border-radius: 26px; box-shadow: 0 18px 60px rgba(0,0,0,.22); backdrop-filter: blur(18px); }
.upload-card { padding: 18px; }
.upload-zone { display: grid; gap: 14px; }
.upload-zone label { min-height: 220px; border: 1.5px dashed rgba(255,255,255,.24); border-radius: 22px; display: grid; place-items: center; text-align: center; padding: 24px; cursor: pointer; transition: .2s; background: rgba(255,255,255,.04); }
.upload-zone label:hover, .upload-zone.drag label { border-color: var(--brand2); background: rgba(32,214,181,.08); transform: translateY(-1px); }
.upload-icon { width: 74px; height: 74px; display: inline-grid; place-items: center; border-radius: 24px; font-size: 34px; background: rgba(124,92,255,.18); color: var(--brand2); margin-bottom: 12px; }
.upload-zone small, .muted { color: var(--muted); }
.upload-zone input[type=file] { display: none; }
input[type=text], .search input { width: 100%; color: var(--text); background: rgba(0,0,0,.18); border: 1px solid var(--line); outline: none; border-radius: 16px; padding: 13px 15px; }
input:focus { border-color: rgba(32,214,181,.65); box-shadow: 0 0 0 4px rgba(32,214,181,.1); }
.btn { border: 0; border-radius: 16px; padding: 12px 16px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; color: var(--text); background: rgba(255,255,255,.1); border: 1px solid var(--line); transition: transform .15s, background .15s, border-color .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); background: rgba(255,255,255,.15); }
.btn.primary { background: linear-gradient(135deg, var(--brand), #5f8cff); border-color: transparent; box-shadow: 0 14px 34px rgba(124,92,255,.28); }
.btn.ghost { background: rgba(255,255,255,.06); }
.btn.danger { background: rgba(255,84,112,.1); border-color: rgba(255,84,112,.35); color: #ffc4cf; }
.btn.full { width: 100%; }
.progress { height: 10px; width: 100%; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.1); }
.progress span { display: block; width: 0%; height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand2)); transition: width .25s; }
.progress.always { display: block; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 22px 0; }
.stat { padding: 20px; }
.stat strong { display: block; font-size: 36px; letter-spacing: -.04em; }
.stat span { color: var(--muted); }
.panel { padding: 24px; margin-top: 22px; }
.panel-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.search { display: flex; gap: 10px; min-width: min(520px, 100%); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.video-card { overflow: hidden; background: rgba(255,255,255,.065); }
.thumb { height: 150px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(124,92,255,.32), rgba(32,214,181,.14)); color: rgba(255,255,255,.55); font-size: 42px; font-weight: 900; letter-spacing: .08em; }
.video-body { padding: 16px; }
.row { display: flex; align-items: center; gap: 10px; }
.between { justify-content: space-between; }
.gap { gap: 12px; }
.meta { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0; }
.mini-grid span { padding: 10px; border-radius: 14px; background: rgba(0,0,0,.16); color: #cbd5f1; font-size: 13px; overflow: hidden; text-overflow: ellipsis; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.actions form { margin: 0; }
.badge { display: inline-flex; border-radius: 999px; padding: 7px 10px; font-size: 12px; font-weight: 800; border: 1px solid var(--line); color: #dce5ff; }
.badge.idle { background: rgba(255,255,255,.08); }
.badge.work { background: rgba(255,191,71,.14); border-color: rgba(255,191,71,.4); color: #ffe1a3; }
.badge.ok { background: rgba(40,209,124,.13); border-color: rgba(40,209,124,.35); color: #9af2c5; }
.badge.bad { background: rgba(255,84,112,.13); border-color: rgba(255,84,112,.35); color: #ffc4cf; }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; }
.steps { color: #c8d2ee; line-height: 1.9; padding-left: 20px; }
.events { display: grid; gap: 10px; }
.event { padding: 12px; border-radius: 16px; background: rgba(0,0,0,.15); border: 1px solid rgba(255,255,255,.08); }
.event span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.event p { margin: 4px 0 0; color: #d7dffd; }
.event.error { border-color: rgba(255,84,112,.35); }
.empty { padding: 28px; color: var(--muted); border: 1px dashed var(--line); border-radius: 20px; text-align: center; }
.empty.small { padding: 16px; }
.player-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; align-items: start; }
.player-card, .side-card { padding: 18px; }
.video-frame { position: relative; overflow: hidden; border-radius: 22px; background: #02040b; aspect-ratio: 16 / 9; }
.video-frame video { width: 100%; height: 100%; display: block; background: #02040b; }
.boot-overlay { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: 10px; background: radial-gradient(circle at center, rgba(124,92,255,.24), rgba(2,4,11,.88)); transition: opacity .25s; }
.boot-overlay.hidden { opacity: 0; pointer-events: none; }
.spinner { width: 48px; height: 48px; border-radius: 50%; margin: 0 auto; border: 3px solid rgba(255,255,255,.25); border-top-color: var(--brand2); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.player-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.status-box { margin: 18px 0; display: grid; gap: 12px; padding: 14px; border-radius: 20px; background: rgba(0,0,0,.16); border: 1px solid rgba(255,255,255,.08); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; white-space: normal; }
.details { display: grid; gap: 10px; margin: 18px 0; }
.details div, .health-list .row { padding: 12px; border-radius: 15px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); }
.details dt { color: var(--muted); font-size: 12px; }
.details dd { margin: 5px 0 0; font-weight: 800; }
@media (max-width: 980px) {
    .hero-grid, .player-grid, .two-col { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .shell { width: min(100% - 20px, 1180px); padding-top: 12px; }
    .hero { padding: 18px; border-radius: 24px; }
    .topbar, .panel-head, .search { flex-direction: column; align-items: stretch; }
    h1 { font-size: 36px; }
    .video-grid, .stats-grid { grid-template-columns: 1fr; }
    .mini-grid { grid-template-columns: 1fr; }
}