:root {
  --bg: #f4f5f7; --card: #ffffff; --fg: #1a1c20; --muted: #6b7280;
  --accent: #2563eb; --border: #e2e5ea; --err: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --card: #1e2126; --fg: #e8eaed; --muted: #9aa2ad;
    --accent: #3b82f6; --border: #2c313a; --err: #f87171;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, sans-serif;
}
.center { min-height: 100vh; display: grid; place-items: center; }

nav {
  display: flex; gap: 1rem; align-items: center; padding: .8rem 1.2rem;
  background: var(--card); border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 600; }
nav a { color: var(--muted); text-decoration: none; }
nav a.active { color: var(--accent); font-weight: 600; }
nav a.right { margin-left: auto; }

main.stack { max-width: 760px; margin: 1.2rem auto; padding: 0 1rem;
  display: flex; flex-direction: column; gap: 1.2rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem;
}
.card h2 { margin: 0 0 .8rem; font-size: 1.05rem; }
.muted { color: var(--muted); }

.login { width: min(90vw, 340px); text-align: center; }
.login h1 { margin: 0 0 1rem; }
.login input, .login button { width: 100%; margin-top: .6rem; }

input, textarea, button {
  font: inherit; padding: .6rem .8rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg); color: var(--fg);
}
textarea { width: 100%; min-height: 320px; font-family: ui-monospace, monospace;
  font-size: 13px; }
button { background: var(--accent); color: #fff; border: none; cursor: pointer; }
button:active { transform: translateY(1px); }
.error { color: var(--err); }

.player { width: 100%; aspect-ratio: 4 / 3; border: 0; border-radius: 8px;
  background: #000; }

.dpad { display: grid; grid-template-columns: repeat(3, 64px);
  grid-template-rows: repeat(3, 64px); gap: .4rem; justify-content: center; }
.dpad button { font-size: 1.4rem; }
.dpad .up { grid-column: 2; grid-row: 1; }
.dpad .left { grid-column: 1; grid-row: 2; }
.dpad .stop { grid-column: 2; grid-row: 2; background: #64748b; }
.dpad .right { grid-column: 3; grid-row: 2; }
.dpad .down { grid-column: 2; grid-row: 3; }
.zoom { display: flex; gap: .6rem; justify-content: center; margin-top: .8rem; }

.presets { display: flex; flex-wrap: wrap; gap: .6rem; }
.preset { background: var(--card); color: var(--fg); border: 1px solid var(--border); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem; }
.grid video { width: 100%; border-radius: 8px; background: #000; }
figure { margin: 0; } figcaption { color: var(--muted); font-size: .85rem; margin-top: .3rem; }
.runs { list-style: none; padding: 0; margin: 0; }
.runs li { padding: .4rem 0; border-bottom: 1px solid var(--border); }
.runs a { color: var(--accent); margin-left: .5rem; }
.row { display: flex; align-items: center; gap: .8rem; margin-top: .6rem; }

.status { display: flex; align-items: center; gap: .6rem; padding: .7rem 1rem; }
.status .right { margin-left: auto; font-size: .85rem; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--muted);
  flex: 0 0 auto; }
.dot.ok { background: #22c55e; } .dot.bad { background: var(--err); }