:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-2: #1b1f26;
  --border: #262b33;
  --text: #e7e9ee;
  --muted: #8b93a1;
  --accent: #10b981;
  --accent-ink: #04140e;
  --danger: #f05252;
  --warn: #f5a524;
  --radius: 12px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --panel-2: #f0f2f5;
    --border: #e1e4ea;
    --text: #12151a;
    --muted: #626b7a;
    --accent: #059669;
    --accent-ink: #ffffff;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
h1 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }
h1 span { color: var(--accent); font-weight: 600; }
h2 { font-size: 15px; margin: 0; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.engine { font-size: 12px; color: var(--muted); border: 1px solid var(--border); padding: 4px 10px; border-radius: 99px; }
.engine.gpu { color: var(--accent); border-color: var(--accent); }

main { max-width: 920px; margin: 0 auto; padding: 24px 16px 64px; display: grid; gap: 28px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.muted { color: var(--muted); font-size: 13px; }

.drop {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 28px 16px; border: 2px dashed var(--border); border-radius: var(--radius);
  cursor: pointer; text-align: center; transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--panel-2); }
.drop span { color: var(--muted); font-size: 13px; }
#picked { list-style: none; padding: 0; margin: 10px 0 0; font-size: 13px; }
#picked li { color: var(--text); }

.options { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px 12px; margin: 0; display: grid; gap: 6px; }
legend { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 0 6px; }
fieldset label { cursor: pointer; font-size: 14px; }
fieldset small { color: var(--muted); }
input[type=radio], input[type=checkbox] { accent-color: var(--accent); }
fieldset.wide { grid-column: 1 / -1; }
.switch { display: flex; align-items: center; gap: 8px; }
.switch:has(input:disabled) { cursor: not-allowed; opacity: .6; }

.submit { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
button, .btn {
  font: inherit; font-size: 14px; cursor: pointer; text-decoration: none;
  border-radius: 9px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 8px 14px; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: not-allowed; }
#go, .btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.ghost { background: transparent; }
button.danger { color: var(--danger); }
button.danger.confirm { background: var(--danger); color: #fff; border-color: var(--danger); }

.bar { flex: 1; min-width: 120px; height: 6px; background: var(--panel-2); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .4s; }
.hidden { display: none; }

.list-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
#tasks { display: grid; gap: 12px; }
.empty { color: var(--muted); text-align: center; padding: 24px; border: 1px dashed var(--border); border-radius: var(--radius); }

.task { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: grid; gap: 12px; }
.task-top { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.task-title { font-weight: 600; word-break: break-word; }
.task-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.actions { display: flex; gap: 6px; flex-shrink: 0; }
.actions button { padding: 5px 10px; font-size: 13px; }

.pill { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted); margin-left: 6px; vertical-align: 2px; }
.pill.running { color: var(--accent); border-color: var(--accent); }
.pill.done { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.pill.failed { color: var(--danger); border-color: var(--danger); }
.pill.cancelled { color: var(--warn); border-color: var(--warn); }

.status { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.error { color: var(--danger); font-size: 13px; }

.downloads { display: grid; gap: 10px; }
.main-dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.main-dl .stem { padding: 10px 12px; }
.stems { display: flex; flex-wrap: wrap; gap: 8px; }
.stem { display: flex; align-items: center; gap: 4px; border: 1px solid var(--border); border-radius: 9px; padding: 4px 4px 4px 10px; background: var(--panel-2); }
.stem .name { font-size: 14px; flex: 1; }
.stem button, .stem .btn { border: 0; padding: 5px 8px; background: transparent; }
.stem button:hover, .stem .btn:hover { color: var(--accent); }
.stem.playing { border-color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }

header .right { display: flex; align-items: center; gap: 10px; }
#logout { padding: 4px 10px; font-size: 12px; }

.login-page { min-height: 100vh; display: grid; place-items: center; }
.login { width: 100%; max-width: 360px; padding: 16px; display: grid; gap: 18px; }
.login .brand { justify-content: center; }
.login form { display: grid; gap: 14px; }
.login label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.login input {
  font: inherit; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 9px; padding: 9px 12px;
}
.login input:focus { outline: none; border-color: var(--accent); }
#signin { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; justify-content: center; }
#loginmsg { margin: 0; min-height: 1em; }

@media (max-width: 640px) {
  header { padding: 12px 16px; }
  .options, .main-dl { grid-template-columns: 1fr; }
  .task-top { flex-direction: column; }
}