:root {
  --bg: #0b0b10; --panel: #13131b; --panel2: #1a1a25; --line: #262634; --text: #ecebf5; --muted: #8d8ca3;
  --accent: #7c5cff; --accent2: #ff4fa3; --good: #2fd98a; --warn: #ffb547; --bad: #ff5468; --r: 12px;
}
:root[data-theme="light"] { --bg:#f6f6fa; --panel:#fff; --panel2:#f0f0f6; --line:#e2e2ec; --text:#14141d; --muted:#6b6b80; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.45 Inter, system-ui, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
#app { display: grid; grid-template-columns: 250px 1fr auto; height: 100vh; }
#sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 16px; display: flex; flex-direction: column; gap: 10px; overflow: auto; }
.brand { display: flex; gap: 10px; align-items: center; font-size: 18px; margin-bottom: 6px; }
.brand small { color: var(--accent2); font-weight: 700; }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: grid; place-items: center; color: #fff; font-size: 14px; }
.side-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; margin-top: 10px; }
#channelList a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px; color: var(--text); text-decoration: none; }
#channelList a:hover { background: var(--panel2); }
#channelList a.active { background: var(--panel2); box-shadow: inset 3px 0 0 var(--accent); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.live-badge { margin-left: auto; font-size: 10px; background: var(--bad); color: #fff; padding: 1px 6px; border-radius: 6px; font-weight: 700; }
.count { margin-left: auto; color: var(--muted); font-size: 12px; }
.health { margin-top: auto; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 10px; display: grid; gap: 3px; }
.health .ok::before { content: '● '; color: var(--good); } .health .no::before { content: '● '; color: var(--bad); }
main { overflow: auto; padding: 24px 28px 80px; }
h1 { font-size: 24px; margin: 0; } h2 { font-size: 17px; margin: 0 0 12px; } h3 { margin: 0; font-size: 15px; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.btn { border: 1px solid var(--line); background: var(--panel2); padding: 8px 14px; border-radius: 9px; cursor: pointer; font-weight: 600; white-space: nowrap; }
.btn:hover { border-color: var(--accent); } .btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); } .btn.good { background: var(--good); border-color: var(--good); color: #062; }
.btn.sm { padding: 5px 10px; font-size: 12px; } .btn.block { width: 100%; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--muted); font-size: 16px; padding: 4px 6px; border-radius: 6px; }
.icon-btn:hover { color: var(--text); background: var(--panel2); }
input, select, textarea { background: var(--panel2); border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; width: 100%; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
label { display: grid; gap: 5px; font-size: 12px; color: var(--muted); font-weight: 600; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .grow { flex: 1; } .gap { display: grid; gap: 14px; }
.header { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.header .ch-logo { width: 46px; height: 46px; border-radius: 12px; object-fit: cover; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; }
.tabs button { background: none; border: 0; padding: 10px 14px; cursor: pointer; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.active { color: var(--text); border-color: var(--accent); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.drop { border: 2px dashed var(--line); border-radius: var(--r); padding: 28px; text-align: center; cursor: pointer; transition: .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.drop b { font-size: 16px; display: block; margin-bottom: 4px; }
.list { display: grid; gap: 8px; }
.item { display: flex; gap: 12px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.item .t { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .meta { color: var(--muted); font-size: 12px; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 99px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted); font-weight: 600; white-space: nowrap; }
.pill.ready { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); }
.pill.error { color: var(--bad); } .pill.processing, .pill.rendering, .pill.downloading, .pill.queued { color: var(--warn); }
.pill.live { background: var(--bad); color: #fff; border-color: var(--bad); }
.progress { height: 4px; background: var(--panel2); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .4s; }
.clips { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.clip { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; cursor: pointer; display: flex; flex-direction: column; transition: .15s; }
.clip:hover { border-color: var(--accent); transform: translateY(-2px); }
.clip .thumb { aspect-ratio: 9/16; background: #000 center/cover; position: relative; max-height: 340px; }
.clip .thumb .score { position: absolute; top: 8px; left: 8px; }
.clip .thumb .dur { position: absolute; bottom: 8px; right: 8px; background: #000a; color: #fff; padding: 1px 6px; border-radius: 5px; font-size: 12px; }
.clip .thumb .approved { position: absolute; top: 8px; right: 8px; background: var(--good); color: #062; border-radius: 6px; padding: 1px 6px; font-size: 11px; font-weight: 800; }
.clip .body { padding: 10px 12px; display: grid; gap: 4px; }
.clip .body .t { font-weight: 700; line-height: 1.3; }
.score-badge { font-weight: 800; font-size: 13px; padding: 2px 8px; border-radius: 8px; color: #fff; }
.thumb .spin { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 12px; text-align: center; padding: 10px; }
.empty { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty .big { font-size: 40px; }
/* editor */
.editor { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: 22px; }
.editor video { width: 100%; border-radius: var(--r); background: #000; max-height: 70vh; }
.timeline { position: relative; height: 56px; background: var(--panel2); border-radius: 8px; margin: 8px 0; cursor: pointer; overflow: hidden; }
.timeline canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.timeline .sel { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, var(--accent) 30%, transparent); border-left: 3px solid var(--accent); border-right: 3px solid var(--accent); }
.timeline .head { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; }
.scorebars { display: grid; gap: 6px; }
.scorebars .b { display: grid; grid-template-columns: 90px 1fr 26px; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); }
.scorebars .bar { height: 6px; border-radius: 4px; background: var(--panel2); overflow: hidden; }
.scorebars .bar i { display: block; height: 100%; background: var(--accent); }
.transcript { max-height: 340px; overflow: auto; font-size: 13px; display: grid; gap: 2px; }
.transcript div { padding: 3px 6px; border-radius: 5px; cursor: pointer; } .transcript div:hover { background: var(--panel2); }
.transcript div.in { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.transcript span { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 6px; font-size: 11px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; } .tags span { color: var(--accent); font-size: 12px; }
/* chat */
#chat { width: 380px; background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; height: 100vh; }
#chat.hidden { display: none; }
.chat-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.chat-head small { display: block; color: var(--muted); font-size: 12px; }
#chatLog { flex: 1; overflow: auto; padding: 14px; display: grid; gap: 10px; align-content: start; }
.msg { padding: 10px 12px; border-radius: 12px; max-width: 92%; white-space: pre-wrap; word-wrap: break-word; }
.msg.user { background: var(--accent); color: #fff; justify-self: end; border-bottom-right-radius: 4px; }
.msg.assistant { background: var(--panel2); border-bottom-left-radius: 4px; }
.msg.tool { font-size: 12px; color: var(--muted); background: none; padding: 0 4px; }
#chatStatus { padding: 0 16px; color: var(--accent); font-size: 12px; min-height: 18px; }
.chat-suggest { display: flex; gap: 6px; flex-wrap: wrap; padding: 6px 14px; }
.chat-suggest button { background: var(--panel2); border: 1px solid var(--line); border-radius: 99px; padding: 4px 10px; font-size: 12px; cursor: pointer; color: var(--muted); }
.chat-suggest button:hover { color: var(--text); border-color: var(--accent); }
#chatForm { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); }
#chatForm textarea { resize: none; }
.fab { position: fixed; right: 22px; bottom: 22px; width: 54px; height: 54px; border-radius: 50%; border: 0; background: linear-gradient(135deg, var(--accent), var(--accent2)); font-size: 22px; cursor: pointer; box-shadow: 0 8px 30px #0008; }
.modal { position: fixed; inset: 0; background: #000a; display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal.hidden { display: none; }
.modal-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; width: min(520px, 100%); max-height: 90vh; overflow: auto; }
#toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 60; }
.toast { background: var(--panel2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 10px; box-shadow: 0 6px 24px #0007; }
.toast.err { border-color: var(--bad); }
.hero { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 25%, var(--panel)), var(--panel)); border: 1px solid var(--line); border-radius: 18px; padding: 40px; }
.hero h1 { font-size: 34px; letter-spacing: -.02em; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 24px; }
.steps .card b { display: block; margin-bottom: 4px; }
.swatches { display: flex; gap: 8px; } .swatches button { width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.swatches button.on { border-color: var(--text); }
@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; height: auto; }
  #sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  #chat { position: fixed; inset: 0; width: 100%; z-index: 40; }
  main { padding: 16px; }
  .editor { grid-template-columns: 1fr; }
}