:root {
  --bg: #f6f6f4; --fg: #1b1b1b; --muted: #666; --card: #fff; --line: #e2e2de;
  --accent: #1f5f8b; --accent-fg: #fff; --ok: #1e7a3b; --warn: #8a6100; --err: #a32020;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414; --fg: #ececec; --muted: #a0a0a0; --card: #1f1f1f; --line: #333;
    --accent: #5aa7dc; --accent-fg: #0b0b0b; --ok: #5cc27e; --warn: #e0b54a; --err: #f07878;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
a { color: var(--accent); }
main { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 640px; margin: 0 auto; padding: 14px 16px;
}
.brand { font-weight: 600; text-decoration: none; color: var(--fg); }
h1 { font-size: 1.3rem; margin: 0 0 8px; }
h2 { font-size: 1.05rem; margin: 24px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.narrow { max-width: 420px; margin: 24px auto; }
.stack { display: grid; gap: 14px; }
.stack label { display: grid; gap: 6px; font-weight: 500; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row input { flex: 1 1 180px; min-width: 0; }
input:not([type]), input[type="password"], input[name="name"] {
  font: inherit; font-size: 16px; padding: 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%;
}
button { font: inherit; font-size: 16px; min-height: 44px; border-radius: 10px; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-fg); border: 0; padding: 10px 18px; }
button:disabled { opacity: .5; cursor: default; }
button.link { background: none; border: 0; color: var(--accent); padding: 0 4px; min-height: 44px; }
.logout { margin: 0; }
.hint, .meta { color: var(--muted); font-size: .9rem; }
.msg { padding: 10px 12px; border-radius: 8px; margin: 0 0 12px; }
.msg.error { background: color-mix(in srgb, var(--err) 12%, transparent); color: var(--err); }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.item {
  display: grid; gap: 2px; padding: 12px 14px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--fg);
}
.name { font-weight: 500; }
.break, .name { overflow-wrap: anywhere; }
.picker {
  display: flex; align-items: center; justify-content: center; min-height: 52px; margin: 12px 0 10px;
  border: 2px dashed var(--line); border-radius: 12px; font-weight: 500; color: var(--accent);
  position: relative; text-align: center; padding: 8px;
}
.picker input { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
#start { width: 100%; }
.queue { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.queue li { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 6px; }
.queue .fname { overflow-wrap: anywhere; font-weight: 500; }
.queue progress { width: 100%; height: 8px; }
.queue .state { font-size: .9rem; color: var(--muted); }
.queue .ok .state { color: var(--ok); }
.queue .dup .state { color: var(--warn); }
.queue .err .state { color: var(--err); }