:root {
  --bg: #0a0a0a;
  --panel: #141414;
  --panel-2: #1c1c1c;
  --border: #2a2a2a;
  --text: #e6e6e6;
  --muted: #888;
  --dim: #555;
  --accent: #ffb000;
  --accent-2: #00d4aa;
  --danger: #ff4444;
  --ok: #00d4aa;
  --mono: "IBM Plex Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 6px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
button, input, select, textarea {
  font-family: inherit;
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.topbar-inner {
  max-width: 1400px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.brand {
  font-family: var(--mono);
  font-size: 16px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--accent);
}
.nav {
  display: flex; gap: 8px; margin-left: auto;
}
.nav button {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px 14px; cursor: pointer; font-size: 13px;
}
.nav button.active {
  background: var(--accent); color: #000; border-color: var(--accent);
  font-weight: 700;
}

/* Layout */
.container {
  max-width: 1400px; margin: 0 auto; padding: 24px 16px 80px;
}

/* Cards */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 18px; }
.card p { color: var(--muted); margin: 0 0 12px; }

/* Forms */
label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 6px; text-transform: uppercase; letter-spacing: 0.08em; }
input[type="text"], input[type="number"], input[type="password"], textarea, select {
  width: 100%;
  background: #0d0d0d; color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 12px; font-size: 14px;
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { min-height: 80px; resize: vertical; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: #000; border: 1px solid var(--accent);
  border-radius: var(--radius); padding: 10px 16px; font-size: 13px; font-weight: 700;
  cursor: pointer; letter-spacing: 0.06em;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.ok { background: transparent; color: var(--ok); border-color: var(--ok); }

/* Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.room-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; cursor: pointer; transition: border-color .15s;
}
.room-card:hover { border-color: var(--accent); }
.room-card h3 { margin: 0 0 6px; font-size: 16px; }
.room-card .meta { color: var(--muted); font-size: 12px; }

/* Editor */
.editor-layout {
  display: grid; grid-template-columns: 280px 1fr 320px; gap: 16px;
}
@media (max-width: 1100px) {
  .editor-layout { grid-template-columns: 1fr; }
}
.sidebar {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; height: fit-content;
}
.sidebar h3 { margin: 0 0 12px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.module-list { display: flex; flex-direction: column; gap: 8px; }
.module-item {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; cursor: grab; font-size: 13px; display: flex; align-items: center; gap: 8px;
}
.module-item:hover { border-color: var(--accent); }

.stage-list { display: flex; flex-direction: column; gap: 10px; }
.stage-item {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.stage-item.active { border-color: var(--accent); }
.stage-item .title { font-weight: 600; font-size: 13px; }
.stage-item .type { color: var(--muted); font-size: 11px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Preview */
.preview-frame {
  border: 1px solid var(--border); border-radius: var(--radius);
  min-height: 400px; background: #000; position: relative; overflow: hidden;
}

/* Utility */
.badge {
  display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 999px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border);
}
.badge.active { background: var(--accent); color: #000; border-color: var(--accent); }

.error { color: var(--danger); }
.ok { color: var(--ok); }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* Player styles */
.player-container {
  min-height: 100vh; display: flex; justify-content: center; padding: 48px 16px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}
.player-box {
  width: 100%; max-width: var(--maxWidth, 760px);
}
.player-box h1, .player-box h2 { font-family: var(--font); }
.player-box input, .player-box select, .player-box textarea {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.player-box .btn {
  background: var(--accent);
  color: #000;
  border: 1px solid var(--accent);
}
.player-box .btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.message { min-height: 24px; font-weight: 700; }
.message.ok { color: var(--ok); }
.message.error { color: var(--danger); }
.timer-display { color: var(--accent); }
.dot-link { color: inherit; text-decoration: none; }
.person-row.is-correct .person-name { color: var(--ok); font-weight: 700; }
.person-row.is-correct input { border-color: var(--ok); }
.person-row.is-wrong input { border-color: var(--danger); }
.person-row.is-wrong .person-name { color: var(--danger); }
.hint-text { border-left: 2px solid var(--accent); padding-left: 12px; }
.board { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.board-row { display: flex; justify-content: space-between; padding: 8px 14px; border-top: 1px solid var(--border); }
.board-row:first-child { border-top: none; }
table.plan { width: 100%; border-collapse: collapse; }
table.plan th, table.plan td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
.button-link { display: inline-block; background: var(--accent); color: #000; padding: 10px 16px; border-radius: var(--radius); text-decoration: none; font-weight: 700; }
.theme-overlay .card label { color: var(--muted); font-size: 12px; }