:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface2: #16213e;
  --border: #2a2a4a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100%;
  min-height: 100dvh;
  line-height: 1.5;
  overscroll-behavior: contain;
  /* Safe area for iPhone notch / home bar */
  padding-bottom: env(safe-area-inset-bottom);
}

/* Layout */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px;
  padding-top: max(20px, env(safe-area-inset-top));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

.admin-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px;
  padding-top: max(20px, env(safe-area-inset-top));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 10px;
}

.header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header h1 span {
  color: var(--accent);
}

/* Connection / phase badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-idle     { background: rgba(100,116,139,0.2); color: #94a3b8; }
.badge-running  { background: rgba(34,197,94,0.15);  color: #4ade80; }
.badge-stopped  { background: rgba(245,158,11,0.15); color: #fbbf24; }
.badge-winner   { background: rgba(99,102,241,0.2);  color: #a5b4fc; }

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.dot-pulse {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Status bar */
.status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Timer */
.timer {
  font-size: clamp(2.8rem, 12vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  text-align: center;
  padding: 12px 0 8px;
}

.timer.urgent { color: var(--danger); }

/* Waiting screen */
.waiting {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  min-height: 50vh;
  color: var(--text-muted);
}

.waiting h2 { font-size: 1.25rem; margin-bottom: 8px; color: var(--text); }

/* Hint text */
.vote-hint {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* Vote buttons */
.vote-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.vote-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  padding: 18px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.vote-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--opt-color, var(--accent));
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

@media (hover: hover) {
  .vote-button:hover::before { opacity: 0.08; }
}

.vote-button.active {
  border-color: var(--opt-color, var(--accent));
  background: var(--surface2);
}

.vote-button.active::before { opacity: 0.12; }

.vote-button:active { transform: scale(0.97); }

.vote-button .btn-label {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.vote-button .btn-label-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vote-button .btn-count {
  position: relative;
  z-index: 1;
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: 12px;
}

.vote-button.active .btn-count {
  color: var(--opt-color, var(--accent));
}

.color-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.check-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--opt-color, var(--accent));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s;
}

.vote-button.active .check-icon {
  background: var(--opt-color, var(--accent));
}

.check-icon svg { display: none; }
.vote-button.active .check-icon svg { display: block; }

/* Stopped / closed screen */
.closed-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  min-height: 50vh;
}

.closed-screen h2 { font-size: 1.4rem; margin-bottom: 8px; }
.closed-screen p { color: var(--text-muted); }

/* Winner overlay */
.winner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,20,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  animation: fadeIn 0.4s ease;
}

.winner-card {
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  max-width: 420px;
  width: 100%;
  animation: scaleIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
}

.winner-card .trophy { font-size: clamp(2.5rem, 12vw, 3.5rem); margin-bottom: 16px; }
.winner-card .winner-label { font-size: clamp(1.5rem, 6vw, 2rem); font-weight: 800; margin-bottom: 8px; }
.winner-card .winner-votes { font-size: 1rem; color: var(--text-muted); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---- Admin styles ---- */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 640px) {
  /* On mobile, show setup first, then live stats below */
  .admin-grid {
    grid-template-columns: 1fr;
  }
  .admin-grid > div:first-child { order: 2; }
  .admin-grid > div:last-child  { order: 1; }
}

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

.panel h2 {
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* Inputs — 16px minimum prevents iOS zoom */
input[type="text"],
input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  padding: 12px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--accent);
}

input[type="color"] {
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  padding: 3px;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
}

.input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.input-row input[type="text"] {
  flex: 1;
  min-width: 140px;
}

.input-row-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  touch-action: manipulation;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-primary  { background: var(--accent); color: #fff; }
.btn-success  { background: var(--success); color: #fff; }
.btn-warning  { background: var(--warning); color: #000; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-ghost    { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-sm       { padding: 8px 14px; font-size: 0.85rem; min-height: 38px; }
.btn-block    { width: 100%; margin-top: 8px; }

/* Control buttons row */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

@media (max-width: 480px) {
  .controls { flex-direction: column; }
  .controls .btn { width: 100%; font-size: 1rem; min-height: 52px; }
}

/* Option list */
.option-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.option-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.option-item .opt-color { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.option-item .opt-label { flex: 1; font-size: 0.9rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.option-item .opt-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* Vote bars */
.bar-list { display: flex; flex-direction: column; gap: 16px; }

.bar-item { display: flex; flex-direction: column; gap: 6px; }

.bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 0.88rem;
}

.bar-name { font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-count { font-variant-numeric: tabular-nums; color: var(--text-muted); flex-shrink: 0; }

.bar-track {
  height: 16px;
  background: var(--bg);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.bar-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.12s ease-out;
  min-width: 4px;
}

/* Stats row */
.stats-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Duration input row */
.duration-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.duration-row label { font-size: 0.85rem; color: var(--text-muted); flex-shrink: 0; }
.duration-row input { max-width: 100px; }

/* Hidden utility */
.hidden { display: none !important; }

/* Connection indicator */
.conn-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.conn-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--danger);
  transition: background 0.3s;
  flex-shrink: 0;
}

.conn-dot.connected { background: var(--success); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Swarm canvas */
#swarm-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  background: var(--bg);
}