:root {
  --bg-dark: #050308;
  --bg-card: rgba(18, 10, 25, 0.95);
  --bg-card-soft: rgba(22, 12, 30, 0.9);
  --accent-honey: #f6c453;
  --accent-honey-deep: #f0a500;
  --accent-honey-soft: #ffd56b;
  --text-main: #fff9ec;
  --text-muted: #c3b9a9;
  --danger: #ff4b6e;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.65);
  --radius-xl: 18px;
  --transition-fast: 0.18s ease-out;
  --border-subtle: 1px solid rgba(255, 255, 255, 0.06);
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  overscroll-behavior: none;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    Roboto, sans-serif;
  background:
    radial-gradient(circle at top, #1c1028 0, transparent 60%),
    radial-gradient(circle at bottom, #100b20 0, #050308 65%);
  color: var(--text-main);
  font-size: 16px;
}


.game-container {
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

#game-canvas {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

button,
.game-ui,
.controls,
.hud {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.hidden {
  display: none !important;
}

/* App layout */

.app {
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 16px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at left, #2a1638, #120a1d);
  border: var(--border-subtle);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-wrap img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.app-header h1 {
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  margin: 0;
}

.subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-actions {
  position: absolute;
  right: 12px;
  top: 12px;
}

.bee-icon {
  font-size: 1.1rem;
}

.app-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 12px;
  align-items: stretch;
  align-content: start;
}

.game-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Game container & canvas */

.game-container {
  position: relative;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(8, 4, 12, 0.92), rgba(10, 6, 16, 0.96)),
    radial-gradient(circle at top, rgba(255, 196, 112, 0.08) 0, transparent 60%),
    radial-gradient(circle at bottom, rgba(255, 216, 120, 0.06) 0, #07040f 70%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.75);
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.drop-button {
  position: absolute;
  right: 14px;
  bottom: 14px;
  min-width: 86px;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, #f6c453, #f0a500);
  color: #1b0f24;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.45);
  text-transform: uppercase;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.drop-button:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.35);
}

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
  -webkit-tap-highlight-color: transparent;
}

/* Side panel */

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 12px 14px;
  border: var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.panel-card h2 {
  margin: 0 0 6px 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-honey-soft);
}

.stats .stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 0.9rem;
}

.stats .stat-row span:last-child {
  font-weight: 700;
  color: var(--accent-honey);
  font-size: 1.1rem;
}

.stat-value {
  display: inline-block;
  transition: transform var(--transition-fast), text-shadow var(--transition-fast);
}

.stat-value.bump {
  transform: scale(1.08);
  text-shadow: 0 0 10px rgba(246, 196, 83, 0.65);
}


.next-piece {
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}

.next-piece.floating {
  position: static;
  width: auto;
  max-width: none;
  z-index: 1;
}

.next-mobile-host {
  display: none;
  width: 100%;
  margin-bottom: 8px;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
}

#next-canvas {
  background: radial-gradient(circle at center, #24132f 0, #130918 80%);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  min-width: 110px;
  pointer-events: none;
}

/* Buttons */

.controls .button-row {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.audio-row button {
  flex: 1;
}

button {
  cursor: pointer;
  border-radius: 999px;
  border: none;
  padding: 8px 14px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-honey), var(--accent-honey-deep));
  color: #1b0f02;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    filter var(--transition-fast), background var(--transition-fast);
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 10px;
  box-shadow: none;
}

.ghost-btn:hover {
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.5);
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.8);
  filter: brightness(1.05);
}

button:active {
  transform: translateY(0);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.7);
  filter: brightness(0.98);
}

button:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
  box-shadow: none;
}

/* Help text */

.help p {
  margin: 4px 0;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--text-muted);
}

/* Modals */

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.9));
  backdrop-filter: blur(6px);
}

.modal-content {
  position: relative;
  z-index: 1;
  max-width: 360px;
  width: 90%;
  background: linear-gradient(145deg, #1a0f27, #12091b);
  border-radius: 18px;
  padding: 18px 16px 14px;
  border: 1px solid rgba(255, 245, 220, 0.12);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.85);
}

.modal-content h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.modal-content p {
  margin: 4px 0 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.modal-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.modal input[type="text"] {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(8, 4, 12, 0.9);
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
}

.modal input[type="text"]::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

/* Help overlay */
.help-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}

.help-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
}

.help-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  width: 92%;
  background: linear-gradient(135deg, #1b0f27, #100819);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
}

.help-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.help-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.help-content h3 {
  margin: 0 0 6px;
  color: var(--accent-honey);
}

.help-content ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  line-height: 1.45;
}

.help-note {
  margin: 4px 0 0;
  color: var(--accent-honey-soft);
  font-size: 0.95rem;
}

/* Leaderboard */

.leaderboard-list {
  max-height: 260px;
  overflow-y: auto;
  margin-top: 6px;
  padding-right: 4px;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 30px 1.2fr 0.9fr 0.8fr;
  gap: 6px;
  padding: 5px 4px;
  border-radius: 10px;
  font-size: 0.82rem;
  align-items: center;
}

.leaderboard-row:nth-child(odd) {
  background: rgba(255, 255, 255, 0.02);
}

.leaderboard-row:nth-child(1) {
  background: linear-gradient(
    135deg,
    rgba(246, 196, 83, 0.25),
    rgba(250, 177, 62, 0.12)
  );
}

.leaderboard-row span:nth-child(1) {
  text-align: center;
  font-weight: 600;
}

.leaderboard-row span:nth-child(2) {
  font-weight: 500;
}

.leaderboard-row span:nth-child(3),
.leaderboard-row span:nth-child(4) {
  text-align: right;
  color: var(--text-muted);
}

/* Game over modal stats */

#gameover-modal p {
  margin: 4px 0;
}

/* Responsive */

@media (max-width: 800px) {
  .app {
    padding: 12px 8px;
  }

  .app-main {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(260px, 2.1fr) auto;
  }

  .side-panel {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .panel-card {
    flex: 1 1 150px;
  }

  .next-mobile-host {
    display: flex;
  }

  .controls .button-row {
    flex-wrap: wrap;
  }

  .touch-zone.left,
  .touch-zone.right {
    width: 35%;
  }

  .touch-zone.top,
  .touch-zone.bottom {
    left: 35%;
    right: 35%;
  }

  .next-piece.floating {
    width: 36vw;
    min-width: 120px;
    max-width: 220px;
  }
}

@media (max-width: 768px) {
  .mobile-controls {
    margin-top: 0.5rem;
  }

  .control-btn {
    flex: 1;
  }
}