/* ─── Google Fonts ──────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;900&family=Inter:wght@300;400;500;600&display=swap');

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --bg-primary:   #0D1117;
  --bg-secondary: #161B22;
  --bg-card:      #1C2128;
  --bg-hover:     #22272E;
  --border:       #30363D;
  --border-bright:#484F58;

  --accent:       #D4A843;
  --accent-glow:  rgba(212, 168, 67, 0.25);
  --accent-dim:   #9E7B1A;

  --text-primary: #E6EDF3;
  --text-secondary:#8B949E;
  --text-muted:   #484F58;

  --stone-black:  #1A1A1A;
  --stone-white:  #F4F1EB;
  --board-light:  #E0B86A;
  --board-mid:    #C99540;
  --board-dark:   #A8741A;

  --danger:       #F85149;
  --danger-dim:   rgba(248, 81, 73, 0.12);
  --success:      #3FB950;

  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    18px;
  --radius-xl:    24px;

  --shadow-sm:    0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:    0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.6);

  --transition:   all 0.2s ease;
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; }

/* ─── Section switcher ──────────────────────────────────── */
.section { display: none; width: 100%; height: 100vh; }
.section.active { display: flex; }

/* ─── Background canvas ─────────────────────────────────── */
#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.06;
  z-index: 0;
}

/* ═══════════════════════════════════════════════════════════
   HOME SECTION
═══════════════════════════════════════════════════════════ */
#homeSection {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem;
  gap: 2rem;
}

.home-header {
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 0.5rem;
}

.logo-stone {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.logo-stone.black { background: radial-gradient(circle at 35% 35%, #555, #000); }
.logo-stone.white { background: radial-gradient(circle at 35% 35%, #fff, #bbb); border: 1px solid #888; }

.logo h1 {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), #fff 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

/* Tab switcher */
.home-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.03) inset;
}

.tab-bar {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 1.8rem;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tab-panel { display: none; flex-direction: column; gap: 1.2rem; }
.tab-panel.active { display: flex; }

.panel-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.1rem;
}
.panel-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

/* Form */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }

.input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.65rem 0.9rem;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.input::placeholder { color: var(--text-muted); }
.input.code-input {
  font-family: 'Outfit', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #B8841A);
  color: #000;
  box-shadow: 0 4px 16px rgba(212,168,67,0.3);
  width: 100%;
  padding: 0.85rem;
  font-size: 1rem;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(212,168,67,0.45);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border: 1px solid rgba(248,81,73,0.3);
}
.btn-danger:hover:not(:disabled) { background: rgba(248,81,73,0.22); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-bright); }

.btn-icon-only {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  padding: 0;
  flex-shrink: 0;
}
.btn-icon-only:hover { color: var(--text-primary); }

/* Error / info messages */
.message { font-size: 0.85rem; padding: 0.6rem 0.9rem; border-radius: var(--radius-sm); display: none; }
.message.show { display: block; }
.message.error { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(248,81,73,0.25); }
.message.info  { background: rgba(63,185,80,0.1); color: var(--success); border: 1px solid rgba(63,185,80,0.2); }

/* ═══════════════════════════════════════════════════════════
   LOBBY SECTION
═══════════════════════════════════════════════════════════ */
#lobbySection {
  flex-direction: column;
  overflow-y: auto;
  padding: 1.5rem;
  gap: 1.5rem;
  align-items: center;
}

.lobby-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 900px;
}

.lobby-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #fff 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lobby-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  width: 100%;
  max-width: 900px;
}
@media (max-width: 640px) { .lobby-body { grid-template-columns: 1fr; } }

.lobby-footer {
  display: flex;
  gap: 1rem;
  width: 100%;
  max-width: 900px;
  padding-bottom: 1rem;
}
.lobby-footer .btn { flex: 1; padding: 0.85rem; font-size: 1rem; }

/* Room code card */
.room-code-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.room-code-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.room-code-display {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.room-code-value {
  font-family: 'Outfit', monospace;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--accent);
  flex: 1;
}
.copy-feedback { font-size: 0.8rem; color: var(--success); opacity: 0; transition: opacity 0.3s; }
.copy-feedback.show { opacity: 1; }

/* Player cards */
.players-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.players-card h3 { font-size: 1rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; }

.player-slot {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.8rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-height: 60px;
}
.player-slot.waiting { border-style: dashed; }

.player-stone {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.player-stone.black { background: radial-gradient(circle at 35% 35%, #555, #000); }
.player-stone.white { background: radial-gradient(circle at 35% 35%, #fff, #ccc); border: 1px solid #888; }

.player-info { flex: 1; }
.player-name { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.player-role { font-size: 0.75rem; color: var(--text-muted); }

.host-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(212,168,67,0.3);
  font-weight: 600;
}

.waiting-text { color: var(--text-muted); font-size: 0.9rem; }

/* Settings card */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  grid-column: 1 / -1;
}
.settings-card h3 { font-size: 1rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.2rem; }

.settings-row { display: grid; grid-template-columns: 200px 1fr; align-items: center; gap: 1rem; }
@media (max-width: 520px) { .settings-row { grid-template-columns: 1fr; gap: 0.4rem; } }

.settings-label { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }
.settings-sub   { font-size: 0.75rem; color: var(--text-muted); }

.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-group .btn-option {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-group .btn-option:hover { border-color: var(--border-bright); color: var(--text-primary); }
.btn-group .btn-option.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  padding: 0.45rem 0.8rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238B949E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  padding-right: 2rem;
}
.select:focus { border-color: var(--accent); }

.timer-subsettings {
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  display: none;
}
.timer-subsettings.show { display: flex; }
.timer-sub-group { display: flex; flex-direction: column; gap: 0.4rem; min-width: 140px; }
.timer-sub-group label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ═══════════════════════════════════════════════════════════
   GAME SECTION
═══════════════════════════════════════════════════════════ */
#gameSection {
  flex-direction: row;
  overflow: hidden;
}

.board-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  min-width: 0;
  position: relative;
}

#boardCanvas {
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(180,120,30,0.3);
  cursor: crosshair;
  transition: box-shadow 0.3s;
  touch-action: none;
}
#boardCanvas.not-your-turn { cursor: default; }

/* Game side panel */
.game-panel {
  width: 300px;
  min-width: 300px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (max-width: 900px) {
  #gameSection { flex-direction: column; }
  .game-panel { width: 100%; min-width: 0; border-left: none; border-top: 1px solid var(--border); flex-direction: row; overflow-x: auto; height: 160px; }
  .board-area { padding: 0.5rem; }
  .panel-scroll { flex-direction: row; overflow-x: auto; }
  .move-log-section { display: none; }
}

.panel-scroll { display: flex; flex-direction: column; gap: 0; overflow-y: auto; flex: 1; }

/* Turn indicator */
.turn-indicator {
  padding: 1rem 1.2rem 0.8rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.turn-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.3s;
}
.turn-dot.black { background: #fff; box-shadow: 0 0 8px rgba(255,255,255,0.6); }
.turn-dot.white { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.turn-label { font-size: 0.85rem; color: var(--text-secondary); }
.turn-name  { font-weight: 700; color: var(--text-primary); font-family: 'Outfit', sans-serif; }

/* Player panels */
.player-panel {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: background 0.3s;
}
.player-panel.active-player {
  background: linear-gradient(135deg, rgba(212,168,67,0.08), transparent);
  border-left: 3px solid var(--accent);
}
.player-panel.inactive-player { border-left: 3px solid transparent; }

.pp-stone {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.pp-stone.black { background: radial-gradient(circle at 35% 35%, #555, #000); }
.pp-stone.white { background: radial-gradient(circle at 35% 35%, #fff, #ccc); border: 1px solid #999; }

.pp-info { flex: 1; min-width: 0; }
.pp-name { font-weight: 700; font-size: 0.95rem; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pp-captures { font-size: 0.78rem; color: var(--text-muted); }

.pp-timer {
  font-family: 'Outfit', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: right;
  min-width: 60px;
}
.pp-timer.warning { color: #e8a030; }
.pp-timer.danger  { color: var(--danger); animation: timerPulse 0.8s ease-in-out infinite; }
.pp-timer.byoyomi-info { font-size: 0.7rem; color: var(--text-muted); display: block; }

@keyframes timerPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Move log */
.move-log-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
.move-log-title {
  padding: 0.7rem 1.2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.move-log {
  overflow-y: auto;
  flex: 1;
  padding: 0.5rem 0;
}
.move-entry {
  display: flex;
  gap: 0.5rem;
  padding: 0.25rem 1.2rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  align-items: center;
}
.move-entry:hover { background: var(--bg-hover); }
.move-num  { color: var(--text-muted); min-width: 28px; font-family: monospace; }
.move-stone { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.move-stone.black { background: #fff; }
.move-stone.white { background: var(--accent); }
.move-coord { font-weight: 500; color: var(--text-primary); }

/* Action buttons */
.action-buttons {
  padding: 1rem 1.2rem;
  display: flex;
  gap: 0.6rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.action-buttons .btn { flex: 1; font-size: 0.85rem; padding: 0.6rem; }

/* Komi display */
.game-info-bar {
  padding: 0.6rem 1.2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.game-info-bar span { display: flex; align-items: center; gap: 0.3rem; }

/* ═══════════════════════════════════════════════════════════
   MODAL
═══════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 440px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.92) translateY(16px);
  transition: transform 0.3s;
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-icon { font-size: 3rem; text-align: center; margin-bottom: 0.5rem; }
.modal-title { font-size: 1.8rem; font-weight: 900; text-align: center; margin-bottom: 0.3rem; }
.modal-sub { text-align: center; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.5rem; }

.score-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.score-table th {
  padding: 0.4rem 0.5rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.score-table td {
  padding: 0.5rem 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-primary);
}
.score-table tr.total td { font-weight: 700; color: var(--accent); font-size: 1rem; }

.modal-actions { display: flex; gap: 0.8rem; }
.modal-actions .btn { flex: 1; padding: 0.75rem; }

/* ─── Scoring modal (wider) ──────────────────────────────── */
.game-over-modal { max-width: 520px; }

/* Winner banner */
.winner-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, rgba(212,168,67,0.1), rgba(212,168,67,0.03));
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: var(--radius-md);
  margin-bottom: 1.4rem;
}
.winner-stone-icon {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  box-shadow: var(--shadow-md);
}
.winner-stone-icon.black { background: radial-gradient(circle at 35% 35%, #555, #060606); }
.winner-stone-icon.white { background: radial-gradient(circle at 35% 35%, #fff, #ccc); border: 1px solid #999; }
.winner-headline {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem; font-weight: 900;
  color: var(--text-primary);
}
.winner-margin { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.15rem; }

/* Score cards */
.score-cards {
  display: flex;
  gap: 0;
  align-items: stretch;
  margin-bottom: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.score-card {
  flex: 1;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg-secondary);
}
.score-card#scoreCardBlack { border-right: 1px solid var(--border); }
.score-card.winner-card {
  background: linear-gradient(160deg, rgba(212,168,67,0.09), var(--bg-secondary));
}
.score-card-header {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 600; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.score-stone-sm {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
}
.score-stone-sm.black { background: radial-gradient(circle at 35% 35%, #555, #060606); }
.score-stone-sm.white { background: radial-gradient(circle at 35% 35%, #fff, #ccc); border: 1px solid #888; }
.score-total {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem; font-weight: 900;
  color: var(--text-primary); line-height: 1;
}
.score-rows { display: flex; flex-direction: column; gap: 0.3rem; }
.score-row {
  display: flex; justify-content: space-between;
  font-size: 0.79rem; color: var(--text-secondary);
}
.score-row span:last-child { font-weight: 600; color: var(--text-primary); }
.score-row.komi-row span:first-child { color: var(--accent); }

.score-vs {
  display: flex; align-items: center; justify-content: center;
  padding: 0 0.6rem;
  font-size: 0.7rem; font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  writing-mode: vertical-rl;
  letter-spacing: 0.1em;
}

/* Score bar */
.score-bar-wrap {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 1.4rem;
}
.score-bar-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); min-width: 28px; text-align: center; }
.score-bar {
  flex: 1; height: 8px; border-radius: 4px;
  overflow: hidden; display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}
.score-bar-fill { height: 100%; transition: width 0.8s cubic-bezier(0.34,1.56,0.64,1); }
.score-bar-fill.black { background: #e0e0e0; }
.score-bar-fill.white { background: var(--accent); }

/* ─── Territory legend (game panel) ─────────────────────── */
.territory-legend {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.65rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(212,168,67,0.04);
}
.territory-legend.show { display: flex; }
.terr-legend-title {
  font-size: 0.68rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}
.terr-legend-items { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.terr-legend-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; color: var(--text-secondary); }
.terr-sq { width: 11px; height: 11px; flex-shrink: 0; }
.terr-sq.black  { background: rgba(15,12,8,0.85); }
.terr-sq.white  { background: rgba(245,240,225,0.95); border: 1px solid rgba(80,50,10,0.4); }
.terr-sq.neutral { background: rgba(140,120,80,0.35); border: 1px solid rgba(140,120,80,0.3); }

/* ─── Final score summary panel ─────────────────────────── */
.final-score-summary {
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(212,168,67,0.05), transparent);
}
.fss-title {
  font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600;
  margin-bottom: 0.5rem;
}
.fss-rows { display: flex; flex-direction: column; gap: 0.28rem; }
.fss-row {
  display: flex; justify-content: space-between;
  font-size: 0.82rem; color: var(--text-secondary);
}
.fss-row.fss-winner { color: var(--accent); font-weight: 700; }
.fss-row span:last-child { font-weight: 600; color: var(--text-primary); }
.fss-row.fss-winner span:last-child { color: var(--accent); }

/* btn-sm helper */
.btn-sm { padding: 0.4rem 0.8rem !important; font-size: 0.8rem !important; }

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.3rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  z-index: 200;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: rgba(248,81,73,0.4); color: var(--danger); }
.toast.success { border-color: rgba(63,185,80,0.4); color: var(--success); }

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeIn      { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn     { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse       { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes spin        { to { transform: rotate(360deg); } }

.fade-in  { animation: fadeIn  0.35s ease forwards; }
.slide-in { animation: slideIn 0.35s ease forwards; }

/* Loading spinner */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 0.5rem 0; }

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