:root {
  --bg: #16161c;
  --bg2: #1d1d26;
  --bg3: #25252f;
  --panel: #1a1a22;
  --line: #2e2e3a;
  --text: #e6e6ef;
  --muted: #9a9aae;
  --accent: #7a5cff;
  --accent2: #9b86ff;
  --green: #34c77b;
  --red: #ff5d6c;
  --amber: #ffb454;
  --blue: #4aa8ff;
  --radius: 9px;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, "Microsoft YaHei", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column;
}

/* ---------- top bar ---------- */
.topbar {
  height: 52px; flex: 0 0 52px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px;
  background: linear-gradient(180deg, #20202b, #181820);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 11px; }
.logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #5a3fe0);
  display: grid; place-items: center; color: #fff; font-size: 15px;
  box-shadow: 0 2px 10px rgba(122, 92, 255, .4);
}
.title { font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.subtitle { font-size: 11px; color: var(--muted); }
.health { font-size: 12px; color: var(--muted); }
.health.ok { color: var(--green); }
.health.bad { color: var(--red); }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.stats { font-size: 11px; color: var(--muted); display: flex; gap: 12px; }
.stats b { color: #c8c8d8; font-weight: 600; }
.head-right { display: flex; align-items: center; gap: 10px; }

/* ---------- layout ---------- */
.layout {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 320px minmax(420px, 1fr) 400px;
  gap: 1px; background: var(--line);
}
.panel { background: var(--panel); display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.panel-head {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; font-size: 13px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: #c8c8d8; }
.hint { font-size: 11px; color: var(--muted); }

/* ---------- sources ---------- */
.sources-panel { }
.dropzone {
  margin: 14px; padding: 0;
  border: 1.5px dashed #3a3a48; border-radius: var(--radius);
  background: var(--bg2);
  transition: all .15s;
}
.dropzone.drag { border-color: var(--accent); background: #232036; }
.dz-inner { padding: 22px 14px; text-align: center; }
.dz-icon { font-size: 26px; color: var(--accent2); }
.dz-text { margin-top: 6px; font-weight: 600; }
.dz-sub { margin-top: 3px; font-size: 12px; color: var(--muted); }
.link { background: none; border: none; color: var(--accent2); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }
.upload-list { padding: 0 12px; }
.up-item { font-size: 11px; color: var(--muted); padding: 4px 0; }
.up-bar { height: 4px; background: var(--bg3); border-radius: 3px; overflow: hidden; margin-top: 2px; }
.up-bar > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .1s; }

.src-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 14px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.src-toolbar .check { font-size: 11.5px; }
.source-list { flex: 1; overflow-y: auto; padding: 6px 12px 16px; }
.src .pick { align-self: center; }
.src .pick input { width: 15px; height: 15px; accent-color: var(--accent); }
.src.merge-sel { border-color: var(--accent2); }
.src {
  display: flex; gap: 10px; padding: 8px; border-radius: 8px;
  cursor: pointer; border: 1px solid transparent; margin-bottom: 6px;
  background: var(--bg2);
}
.src:hover { background: var(--bg3); }
.src.sel { border-color: var(--accent); background: #221f33; }
.src .thumb {
  width: 72px; height: 44px; flex: 0 0 72px; border-radius: 5px;
  background: #000 center/cover no-repeat; display: grid; place-items: center;
  color: #555; font-size: 18px; overflow: hidden;
}
.src .meta { min-width: 0; flex: 1; }
.src .name { font-weight: 600; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.src .specs { font-size: 11px; color: var(--muted); margin-top: 2px; }
.src .del { color: var(--muted); cursor: pointer; align-self: flex-start; font-size: 14px; padding: 2px 4px; border-radius: 4px; }
.src .del:hover { color: var(--red); background: #2a1d22; }

/* ---------- export ---------- */
.export-panel { }
.export-body { flex: 1; overflow-y: auto; padding: 14px 16px 18px; }
.row { display: flex; gap: 12px; margin-bottom: 12px; align-items: flex-end; }
.row.two > * { flex: 1; }
.row.three > * { flex: 1; }
.row.four > * { flex: 1; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field.grow { flex: 1; }
.field > span { font-size: 11px; color: var(--muted); }
.field > span small { color: var(--accent2); font-weight: 700; }
input[type=text], input[type=number], select {
  background: var(--bg3); border: 1px solid var(--line); color: var(--text);
  border-radius: 7px; padding: 8px 9px; font: inherit; width: 100%; outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
input[type=range] { width: 100%; accent-color: var(--accent); }
.check { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text); cursor: pointer; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; }
.inline-checks { display: flex; gap: 14px; align-items: center; }
.mini {
  background: var(--bg3); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 6px 10px; font: inherit; cursor: pointer; font-size: 11px;
}
.mini:hover { border-color: var(--accent); }
.codec-line { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.codec-line b { color: var(--accent2); }
.crf-hint { font-size: 11px; color: var(--muted); align-self: center; }
.fx-group { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: #7c7c90; margin: 4px 0 10px; border-bottom: 1px solid var(--line); padding-bottom: 5px; }

.tabs { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.tab {
  background: none; border: none; color: var(--muted); cursor: pointer;
  padding: 9px 14px; font: inherit; font-size: 12.5px; border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent2); border-bottom-color: var(--accent); font-weight: 600; }
.tabpane { display: none; }
.tabpane.active { display: block; }

.export-foot {
  display: flex; gap: 12px; align-items: flex-end;
  padding-top: 14px; margin-top: 6px; border-top: 1px solid var(--line);
}
.primary {
  background: linear-gradient(180deg, var(--accent2), var(--accent));
  border: none; color: #fff; font-weight: 700; cursor: pointer;
  padding: 11px 18px; border-radius: 8px; font: inherit; font-weight: 700; white-space: nowrap;
  box-shadow: 0 2px 12px rgba(122, 92, 255, .35);
}
.primary:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }
.primary:not(:disabled):hover { filter: brightness(1.08); }

/* ---------- queue ---------- */
.queue-panel { }
.queue-actions { display: flex; align-items: center; gap: 10px; }
.queue-list { flex: 1; overflow-y: auto; padding: 12px; }
.empty { color: var(--muted); text-align: center; padding: 40px 16px; font-size: 12px; line-height: 1.6; }
.job {
  background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 11px 12px; margin-bottom: 10px;
}
.job .jtop { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.job .jname { font-weight: 600; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job .jfmt { font-size: 10.5px; color: var(--muted); white-space: nowrap; }
.badge { font-size: 10px; padding: 2px 8px; border-radius: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: .3px; }
.badge.queued { background: #2c2c38; color: var(--muted); }
.badge.running { background: #2a2444; color: var(--accent2); }
.badge.done { background: #163a2a; color: var(--green); }
.badge.error { background: #3a1c22; color: var(--red); }
.badge.cancelled { background: #332b1a; color: var(--amber); }
.pbar { height: 7px; background: var(--bg3); border-radius: 5px; overflow: hidden; margin: 9px 0 7px; }
.pbar > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .3s; }
.pbar.done > i { background: var(--green); }
.pbar.error > i { background: var(--red); }
.jstats { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--muted); }
.jstats b { color: var(--text); font-weight: 600; }
.jerr { font-size: 11px; color: var(--red); margin-top: 5px; word-break: break-word; }
.jbtns { display: flex; gap: 6px; margin-top: 9px; flex-wrap: wrap; }
.jbtn {
  flex: 1; min-width: 64px; background: var(--bg3); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 7px 8px; font: inherit; font-size: 11.5px; cursor: pointer; text-align: center;
}
.jbtn:hover { border-color: var(--accent); }
.jbtn.dl { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.jbtn.dl:hover { filter: brightness(1.1); }
.jbtn.danger:hover { border-color: var(--red); color: var(--red); }
a.jbtn { text-decoration: none; display: block; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #2a2a36; border: 1px solid var(--line); color: var(--text);
  padding: 11px 18px; border-radius: 9px; font-size: 12.5px; opacity: 0;
  transition: all .25s; pointer-events: none; z-index: 50; box-shadow: 0 8px 30px rgba(0,0,0,.5);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: var(--red); }

/* logo picker */
.logo-pick { display: flex; align-items: center; gap: 8px; background: var(--bg3); border: 1px solid var(--line); border-radius: 7px; padding: 5px 8px; }
.mini.tall { padding: 11px 12px; white-space: nowrap; }

/* outputs tray (multi-output) */
.outputs-tray { display: flex; flex-wrap: wrap; gap: 7px; margin: 4px 0; }
.outputs-tray:empty { display: none; }
.out-chip { display: flex; align-items: center; gap: 7px; background: #221f33; border: 1px solid var(--accent); border-radius: 20px; padding: 5px 6px 5px 11px; font-size: 11.5px; }
.out-chip .rm { cursor: pointer; color: var(--muted); width: 17px; height: 17px; border-radius: 50%; display: grid; place-items: center; }
.out-chip .rm:hover { color: var(--red); background: #2a1d22; }
.est-line { font-size: 11.5px; color: var(--muted); margin: 6px 0 2px; }
.est-line b { color: var(--accent2); }

/* job move + details buttons */
.jbtn.icon { flex: 0 0 34px; min-width: 34px; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(8,8,12,.72); display: grid; place-items: center; z-index: 100; backdrop-filter: blur(2px); }
.modal.hidden { display: none; }
.modal-card { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; width: min(760px, 94vw); max-height: 92vh; display: flex; flex-direction: column; box-shadow: 0 20px 70px rgba(0,0,0,.6); }
.monitor-card { width: min(900px, 95vw); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 13px 16px; border-bottom: 1px solid var(--line); font-weight: 600; }
.modal-head .x { background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.modal-head .x:hover { color: var(--text); }
.modal-body { padding: 14px 16px; overflow: auto; }
.cmd { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 11.5px; color: #b9e6c8; white-space: pre-wrap; word-break: break-all; margin: 0; line-height: 1.7; }

/* source monitor */
.mon-stage { position: relative; background: #000; margin: 14px 16px 0; border-radius: 8px; overflow: hidden; display: grid; place-items: center; max-height: 60vh; }
.mon-stage video { display: block; max-width: 100%; max-height: 60vh; }
.crop-box { position: absolute; border: 2px dashed var(--accent2); background: rgba(122,92,255,.12); cursor: move; box-sizing: border-box; }
.crop-box.hidden { display: none; }
.crop-handle { position: absolute; right: -7px; bottom: -7px; width: 14px; height: 14px; background: var(--accent2); border: 2px solid #fff; border-radius: 3px; cursor: se-resize; }
.mon-controls { display: flex; align-items: center; gap: 12px; padding: 12px 16px 4px; }
.mon-controls input[type=range] { flex: 1; }
.mon-trim { display: flex; align-items: center; gap: 10px; padding: 10px 16px 16px; flex-wrap: wrap; }
.mon-trim .spacer { flex: 1; }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #34343f; border-radius: 5px; border: 2px solid var(--panel); }
::-webkit-scrollbar-thumb:hover { background: #44444f; }

@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; grid-auto-rows: minmax(260px, auto); overflow-y: auto; }
}