/* === Light Theme (Default) === */
[data-theme="light"] {
  --color-bg-page: #f8f9fa;
  --color-bg-container: #ffffff;
  --color-text-main: #212529;
  --color-text-muted: #6c757d;
  --color-border: #dee2e6;
  --color-grid-bg: #e9ecef;
  --color-grid-cell-empty: #dee2e6;
  --color-fire: #ff5722;
  --color-water: #03a9f4;
  --color-earth: #4caf50;
  --color-air: #9c27b0;
  --color-accent: #ff9800;
  --color-workshop-bg: #f1f3f5;
  --color-hp-hero: #4caf50;
  --color-hp-enemy: #f44336;
  --color-overlay: rgba(0,0,0,0.6);
  --color-btn-primary: #ff9800;
  --color-btn-primary-text: #fff;
}

/* === Sepia Theme === */
[data-theme="sepia"] {
  --color-bg-page: #f4ecd8;
  --color-bg-container: #fdf6e3;
  --color-text-main: #5c4033;
  --color-text-muted: #8d7060;
  --color-border: #dfd5a5;
  --color-grid-bg: #e6dfb8;
  --color-grid-cell-empty: #dfd5a5;
  --color-fire: #b23a22;
  --color-water: #1f6b8a;
  --color-earth: #5d7a42;
  --color-air: #75427a;
  --color-accent: #a3722c;
  --color-workshop-bg: #ebdcb9;
  --color-hp-hero: #5d7a42;
  --color-hp-enemy: #b23a22;
  --color-overlay: rgba(60, 40, 20, 0.7);
  --color-btn-primary: #a3722c;
  --color-btn-primary-text: #fdf6e3;
}

/* === Dark Theme === */
[data-theme="dark"] {
  --color-bg-page: #121212;
  --color-bg-container: #1e1e1e;
  --color-text-main: #f5f5f5;
  --color-text-muted: #a0a0a0;
  --color-border: #2d2d2d;
  --color-grid-bg: #2d2d2d;
  --color-grid-cell-empty: #3a3a3a;
  --color-fire: #ff6f43;
  --color-water: #29b6f6;
  --color-earth: #66bb6a;
  --color-air: #ab47bc;
  --color-accent: #ffa726;
  --color-workshop-bg: #252525;
  --color-hp-hero: #66bb6a;
  --color-hp-enemy: #ff6f43;
  --color-overlay: rgba(0,0,0,0.8);
  --color-btn-primary: #ffa726;
  --color-btn-primary-text: #121212;
}

/* === Base Styles === */
.hidden {
  display: none !important;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg-page);
  color: var(--color-text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100vh;
}

/* === Header === */
#header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

#header-bar h1 {
  font-size: 1.2rem;
  font-weight: 700;
}

.score-display {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.header-controls {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-container);
  color: var(--color-text-main);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.icon-btn:hover {
  background: var(--color-grid-bg);
}

/* === Arena === */
#arena {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

#enemy-section, #hero-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.portrait {
  position: relative;
  font-size: 1.8rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-bar-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-bar-container label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  width: 48px;
  flex-shrink: 0;
}

.hp-bar {
  flex: 1;
  height: 14px;
  background: var(--color-grid-cell-empty);
  border-radius: 7px;
  overflow: hidden;
}

.hp-fill {
  height: 100%;
  border-radius: 7px;
  transition: width 0.4s ease;
}

.hero-fill {
  background: var(--color-hp-hero);
}

.enemy-fill {
  background: var(--color-hp-enemy);
}

.hp-text {
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 32px;
  text-align: right;
}

/* === Hero Stats Row (Level, XP, Equipped) === */
#hero-stats-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.75rem;
}

#hero-level-display {
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
}

.xp-bar {
  flex: 1;
  height: 6px;
  background: var(--color-grid-cell-empty);
  border-radius: 3px;
  overflow: hidden;
  min-width: 40px;
}

.xp-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

#hero-equipped {
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 110px;
}

/* === Equip Button === */
.equip-btn {
  padding: 2px 8px;
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  background: transparent;
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.equip-btn:hover {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
}

.equip-btn.equipped {
  background: var(--color-earth);
  color: #fff;
  border-color: var(--color-earth);
  cursor: default;
  opacity: 0.7;
}

.inv-item.equipped {
  outline: 1px solid var(--color-accent);
}

/* === Combat Info === */
#combat-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 0.8rem;
}

#accumulated-damage-display {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dmg-label {
  color: var(--color-text-muted);
}

.dmg-type {
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.75rem;
}

.dmg-fire { color: var(--color-fire); }
.dmg-water { color: var(--color-water); }
.dmg-earth { color: var(--color-earth); }
.dmg-air { color: var(--color-air); }

#turn-counter {
  color: var(--color-text-muted);
}

#cast-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}

#cast-btn:active {
  transform: scale(0.97);
}

#cast-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Grid === */
#grid-section {
  padding: 10px;
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

#grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  background: var(--color-grid-bg);
  padding: 6px;
  border-radius: 6px;
  aspect-ratio: 1;
  touch-action: none;
  position: relative;
}

.grid-cell {
  background: var(--color-grid-cell-empty);
  border-radius: 4px;
  position: relative;
  aspect-ratio: 1;
}

.tile {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  transition: transform 0.12s ease, opacity 0.1s ease;
  will-change: transform, opacity;
  z-index: 2;
  cursor: default;
}

.tile-fire {
  background: var(--color-fire);
}

.tile-water {
  background: var(--color-water);
}

.tile-earth {
  background: var(--color-earth);
}

.tile-air {
  background: var(--color-air);
}

.tile-level-1 { font-size: 0.75rem; }
.tile-level-2 { font-size: 0.8rem; }
.tile-level-3 { font-size: 0.85rem; }
.tile-level-4 { font-size: 0.75rem; }
.tile-level-5 { font-size: 0.8rem; }
.tile-level-6 { font-size: 0.75rem; }
.tile-level-7 { font-size: 0.7rem; }
.tile-level-8 { font-size: 0.65rem; }
.tile-level-9 { font-size: 0.6rem; }
.tile-level-10 { font-size: 0.55rem; }
.tile-level-11 { font-size: 0.55rem; box-shadow: 0 0 12px rgba(255,215,0,0.6); }

.tile-merge-pulse {
  animation: mergePulse 0.25s ease;
}

@keyframes mergePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.tile-spawn {
  animation: tileSpawn 0.2s ease;
}

@keyframes tileSpawn {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.tile-damaged {
  animation: damageFlash 0.3s ease;
}

@keyframes damageFlash {
  0% { box-shadow: inset 0 0 0 0 rgba(255,0,0,0); }
  50% { box-shadow: inset 0 0 15px 3px rgba(255,0,0,0.5); }
  100% { box-shadow: inset 0 0 0 0 rgba(255,0,0,0); }
}

/* === Combat Log === */
#combat-log {
  padding: 8px 12px;
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  max-height: 80px;
  overflow-y: auto;
  font-size: 0.75rem;
}

#log-entries {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.log-entry {
  color: var(--color-text-muted);
  padding: 2px 0;
  border-bottom: 1px solid var(--color-border);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-damage {
  color: var(--color-fire);
}

.log-heal {
  color: var(--color-water);
}

.log-shield {
  color: var(--color-earth);
}

.log-buff {
  color: var(--color-air);
}

/* === Game Over Overlay === */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: opacity 0.3s ease;
}

.overlay.hidden {
  display: none !important;
}

.overlay-content {
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  max-width: 300px;
  width: 90%;
}

.overlay-content h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.overlay-content p {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--color-text-muted);
}

.overlay-content .primary-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 6px;
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
}

/* === Tab Navigation === */
#tab-bar {
  display: flex;
  gap: 4px;
  padding: 0;
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.tab-btn {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.tab-btn.active {
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
}

.tab-btn:not(.active):hover {
  background: var(--color-grid-bg);
}

.tab-content.hidden {
  display: none;
}

/* === Panel === */
.panel {
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
}

.panel h2 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.panel h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.ws-section {
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
}

.ws-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.ws-info {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

/* === Hero Stats Mini === */
#hero-stats-mini {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

/* === Workshop Materials === */
#workshop-materials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.material {
  font-size: 0.8rem;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--color-grid-bg);
}

.fire-dust { color: var(--color-fire); }
.water-dust { color: var(--color-water); }
.earth-scrap { color: var(--color-earth); }
.air-scrap { color: var(--color-air); }

/* === Inventory List === */
#inventory-list, #inventory-full-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 140px;
  overflow-y: auto;
  margin-bottom: 8px;
}

.inv-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--color-grid-bg);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.inv-item:hover {
  background: var(--color-border);
}

.inv-item.selected {
  outline: 2px solid var(--color-accent);
}

.inv-item .inv-name {
  font-weight: 600;
}

.inv-item .inv-tier {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.inv-item .inv-durability {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* === Forge Controls === */
.forge-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.forge-controls select {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-container);
  color: var(--color-text-main);
  font-size: 0.8rem;
}

#forge-cost {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

/* === Tile Upgrades === */
.upgrade-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
}

.upgrade-btn {
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-container);
  color: var(--color-text-main);
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.2s;
}

.upgrade-btn:hover {
  background: var(--color-grid-bg);
}

.upgrade-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Skin Shop === */
#skin-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skin-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-grid-bg);
}

.skin-card .skin-preview {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.skin-card .skin-info {
  flex: 1;
}

.skin-card .skin-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.skin-card .skin-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.skin-card .skin-price {
  font-size: 0.8rem;
  font-weight: 600;
}

.skin-card .skin-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.skin-btn.equip {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
}

.skin-btn.owned {
  background: var(--color-earth);
  color: #fff;
}

.skin-btn.buy {
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
}

/* === Element Skin Modifiers === */
[data-skin="cyber_neon"] .tile-fire {
  background: linear-gradient(135deg, #ff0055, #ff00aa);
  box-shadow: 0 0 8px rgba(255,0,85,0.6), 0 0 16px rgba(255,0,170,0.3);
  border: 1px solid #ff66c4;
}
[data-skin="cyber_neon"] .tile-water {
  background: linear-gradient(135deg, #00d4ff, #0066ff);
  box-shadow: 0 0 8px rgba(0,212,255,0.6), 0 0 16px rgba(0,102,255,0.3);
  border: 1px solid #66d4ff;
}
[data-skin="cyber_neon"] .tile-earth {
  background: linear-gradient(135deg, #00ff88, #00cc44);
  box-shadow: 0 0 8px rgba(0,255,136,0.6), 0 0 16px rgba(0,204,68,0.3);
  border: 1px solid #66ffaa;
}
[data-skin="cyber_neon"] .tile-air {
  background: linear-gradient(135deg, #cc44ff, #8800ff);
  box-shadow: 0 0 8px rgba(204,68,255,0.6), 0 0 16px rgba(136,0,255,0.3);
  border: 1px solid #cc88ff;
}

[data-skin="obsidian_core"] .tile-fire {
  background: linear-gradient(135deg, #3a1a00, #8b3a00);
  box-shadow: inset 0 -4px 8px rgba(255,100,0,0.4);
  border: 1px solid #6b2a00;
  color: #ff8844;
}
[data-skin="obsidian_core"] .tile-water {
  background: linear-gradient(135deg, #001a3a, #003a8b);
  box-shadow: inset 0 -4px 8px rgba(0,100,255,0.4);
  border: 1px solid #002a6b;
  color: #4488ff;
}
[data-skin="obsidian_core"] .tile-earth {
  background: linear-gradient(135deg, #1a3a00, #3a8b00);
  box-shadow: inset 0 -4px 8px rgba(100,255,0,0.4);
  border: 1px solid #2a6b00;
  color: #88ff44;
}
[data-skin="obsidian_core"] .tile-air {
  background: linear-gradient(135deg, #2a003a, #6b008b);
  box-shadow: inset 0 -4px 8px rgba(200,0,255,0.4);
  border: 1px solid #4a006b;
  color: #bb44ff;
}

[data-skin="golden_rune"] .tile {
  background: linear-gradient(135deg, #b8860b, #ffd700) !important;
  border: 2px solid #ffec80;
  box-shadow: 0 0 10px rgba(255,215,0,0.5), inset 0 0 10px rgba(255,215,0,0.2);
  color: #4a3000;
  text-shadow: 0 1px 2px rgba(255,255,200,0.5);
}

/* === Offline Banner === */
.offline-banner {
  text-align: center;
  padding: 6px 12px;
  font-size: 0.75rem;
  background: #ff9800;
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
}

.offline-banner.hidden {
  display: none;
}

/* === Mock Badge === */
.mock-badge {
  font-size: 0.6rem;
  font-weight: 700;
  background: var(--color-fire);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  vertical-align: middle;
  letter-spacing: 0.5px;
}

/* === Gem Shop === */
#gem-shop-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gem-pack {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-grid-bg);
}

.gem-pack .gem-info {
  flex: 1;
}

.gem-pack .gem-amount {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.gem-pack .gem-price {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.gem-pack .gem-btn {
  padding: 6px 14px;
  border: none;
  border-radius: 4px;
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.gem-pack .gem-btn:hover {
  opacity: 0.85;
}

/* === Premium Pass === */
#premium-pass-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.premium-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-grid-bg);
}

.premium-card.locked {
  opacity: 0.5;
}

.premium-card .premium-icon {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.premium-card .premium-info {
  flex: 1;
}

.premium-card .premium-title {
  font-weight: 600;
  font-size: 0.9rem;
}

.premium-card .premium-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.premium-card .premium-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

.premium-status.unlocked {
  background: var(--color-earth);
  color: #fff;
}

.premium-status.locked {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.premium-status.premium {
  background: var(--color-accent);
  color: #fff;
}

/* === Game Over Revive === */
#game-over-revive {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  background: transparent;
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 8px;
  transition: background 0.2s, color 0.2s;
}

#game-over-revive:hover {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
}

#game-over-revive:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Tutorial Overlay === */
#tutorial-overlay .overlay-content {
  max-width: 320px;
}

.tutorial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.tutorial-dot.active {
  background: var(--color-accent);
}

/* === Save Indicator === */
.save-indicator {
  font-size: 0.6rem;
  color: var(--color-text-muted);
  transition: color 0.15s;
  line-height: 36px;
}

.save-indicator.saving {
  color: var(--color-accent);
  animation: savePulse 0.5s ease infinite alternate;
}

.save-indicator.saved {
  color: var(--color-earth);
}

@keyframes savePulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* === Sync Status === */
#sync-status {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 2px 0;
}

/* === Battle Pass === */
#battle-pass-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bp-header {
  font-size: 0.9rem;
  text-align: center;
  padding: 4px 0;
}

.bp-bar {
  height: 10px;
  background: var(--color-grid-cell-empty);
  border-radius: 5px;
  overflow: hidden;
}

.bp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-fire));
  border-radius: 5px;
  transition: width 0.4s ease;
}

.bp-info {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
}

.bp-tier {
  display: flex;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  background: var(--color-grid-bg);
}

.bp-tier.unlocked {
  background: var(--color-earth);
  color: #fff;
  opacity: 0.9;
}

.bp-tier.locked {
  opacity: 0.5;
}

.bp-tier-name {
  font-weight: 600;
}

.bp-tier-thresh {
  color: var(--color-text-muted);
}

/* === Leaderboard === */
#leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lb-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--color-grid-bg);
  font-size: 0.8rem;
}

.lb-rank { font-size: 1rem; min-width: 28px; text-align: center; }
.lb-score { font-weight: 700; flex: 1; }
.lb-stage { color: var(--color-text-muted); font-size: 0.7rem; }
.lb-date { color: var(--color-text-muted); font-size: 0.7rem; }

/* === Achievements === */
#achievement-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.achievement {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--color-grid-bg);
  font-size: 0.8rem;
}

.achievement.unlocked {
  opacity: 1;
  background: var(--color-grid-bg);
}

.achievement .ach-icon { font-size: 1.2rem; width: 28px; text-align: center; }
.achievement .ach-info { flex: 1; }
.achievement .ach-desc { font-size: 0.7rem; color: var(--color-text-muted); }
.achievement .ach-status { font-size: 1rem; }

/* === Gacha === */
#gacha-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gacha-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--color-grid-bg);
  font-size: 0.8rem;
  font-weight: 600;
}

/* === Combo Badge === */
.combo-badge {
  font-size: 1rem;
  font-weight: 900;
  color: #ff9800;
  background: rgba(255,152,0,0.15);
  padding: 4px 8px;
  border-radius: 4px;
  animation: combo-pulse 0.4s ease-in-out infinite alternate;
  white-space: nowrap;
}

@keyframes combo-pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.15); }
}

/* === Cast Button Glow === */
@keyframes cast-glow-pulse {
  0% { box-shadow: 0 0 8px var(--color-accent); }
  100% { box-shadow: 0 0 20px var(--color-accent), 0 0 40px var(--color-accent); }
}

/* === Enemy Telegraph === */
.telegraph {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #f44336;
  color: #fff;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
  line-height: 22px;
  text-align: center;
  animation: telegraph-pulse 0.6s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 10;
}

@keyframes telegraph-pulse {
  0% { transform: scale(1); box-shadow: 0 0 4px rgba(244,67,54,0.6); }
  100% { transform: scale(1.3); box-shadow: 0 0 12px rgba(244,67,54,0.9); }
}

/* === Special Tiles === */
.tile[data-special]::after {
  content: attr(data-special);
  position: absolute;
  top: 2px;
  right: 2px;
  font-size: 0.6rem;
}
.tile.tile-wildcard { outline: 2px dashed #ff9800; outline-offset: -2px; }
.tile.tile-bomb { outline: 2px solid #f44336; outline-offset: -2px; }
.tile.tile-freeze { outline: 2px solid #03a9f4; outline-offset: -2px; }

/* === Toast === */
#toast {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  z-index: 300;
  transition: opacity 0.3s ease;
  pointer-events: none;
  max-width: 80vw;
  text-align: center;
}

#toast.hidden { display: none; }
#toast.error { background: #d32f2f; }
#toast.success { background: #388e3c; }
#toast.info { background: #1976d2; }

/* === Responsive === */
@media (max-width: 400px) {
  #app {
    padding: 4px;
    gap: 4px;
  }

  #header-bar h1 {
    font-size: 1rem;
  }

  .portrait {
    font-size: 1.4rem;
    width: 32px;
    height: 32px;
  }

  .tile {
    font-size: 0.7rem;
  }

  #combat-log {
    max-height: 60px;
    font-size: 0.7rem;
  }
}