:root {
  --bg: #f6f3ea;
  --panel: #ffffff;
  --text: #1f1d18;
  --muted: #6d6758;
  --line: #ddd6c4;
  --accent: #2f7d32;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --field: #e9e2cf;
  --grid: #d4ccb6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16150f;
    --panel: #211f18;
    --text: #efe9da;
    --muted: #a39b87;
    --line: #3a372d;
    --accent: #6cc070;
    --accent-text: #0e1a0e;
    --danger: #f2877f;
    --field: #2b3a22;
    --grid: #3b4a31;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

header h1 { margin: 0; font-size: 1.6rem; }
.subtitle { margin: 0 0 16px; color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

label, .label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }

input {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
}

#code { text-transform: uppercase; letter-spacing: .3em; font-weight: 700; }

button {
  font: inherit;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; font-weight: 600; width: 100%; }
button.small { padding: 6px 10px; font-size: .9rem; }
button:disabled { opacity: .5; cursor: default; }

.actions { margin: 16px 0; }
.join { border-top: 1px solid var(--line); padding-top: 16px; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }

.message { min-height: 1.5em; color: var(--danger); margin: 12px 0 0; }

.game-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 12px; }
.game-head > div:first-child { margin-right: auto; }
.room-code { font-size: 2rem; letter-spacing: .25em; }
.stats { display: flex; flex-direction: column; font-size: .85rem; text-align: right; }
.status { font-weight: 600; }
.ping { color: var(--muted); }

canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: 8px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.hint { color: var(--muted); font-size: .85rem; }

.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .columns { grid-template-columns: 1fr; } }

h2 { font-size: 1rem; margin: 8px 0; }

#players { list-style: none; padding: 0; margin: 0; }
#players li { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.swatch { width: 14px; height: 14px; border-radius: 50%; flex: none; }
.offline { opacity: .45; }

#gamepad { font-size: .85rem; overflow-wrap: anywhere; }
#gamepad .ok { color: var(--accent); font-weight: 600; }
#gamepad .warn { color: var(--danger); font-weight: 600; }
#gamepad .buttons { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
#gamepad .buttons span { min-width: 26px; text-align: center; border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }
#gamepad .buttons span.on { background: var(--accent); color: var(--accent-text); border-color: transparent; }