:root {
  --cell-w: 90px;
  --cell-h: 100px;
  --cat-size: 70px;
  --cell-font-size: 13px;
  --cell-outline: 3px;
  /* Theme variables - defaults */
  --bg-color: #eef;
  --text-color: #333;
  --primary-color: #6c5ce7;
  --primary-hover: #5b4cc4;
  --cell-bg: #ddd;
  --cell-border: #666;
  --cell-selected: red;
  --cell-target: #2a7;
  --water-bg: #2b7fd4;
  --button-bg: #fff;
  --button-hover: #dde;
  --button-text: #333;
  --level-btn-bg: #fff;
  --level-btn-done-bg: #d7f5d7;
  --level-btn-done-border: #3a3;
}

body {
  font-family: sans-serif;
  text-align: center;
  background: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

#footer {
  margin-top: 12px;
}

h1 { margin: 10px 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 760px;
  margin: 0 auto 12px;
  gap: 8px;
}

.topbar-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
}

.topbar-nav-buttons {
  display: flex;
  gap: 8px;
}

.topbar span,
.topbar-title {
  font-weight: bold;
  font-size: 18px;
  flex-shrink: 0;
}

.game-screen {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.game-play-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

@media (min-width: 700px) {
  .game-play-area {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    max-width: none;
    margin: 0;
  }
}

.board-area {
  min-width: 0;
  display: flex;
  justify-content: center;
  flex-shrink: 0;
}

@media (min-width: 700px) {
  .board-area {
    flex: 0 0 auto;
  }
}

.board-scroll-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

/* Stage wrapper to allow absolute-positioning of stats while keeping board centered */
.game-stage {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

#board {
  width: max-content;
  margin: 0 auto;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 100%;
  margin-top: 12px;
}

@media (min-width: 700px) {
  .stats {
    grid-template-columns: 1fr;
    gap: 10px;
    width: auto;
    margin-top: 0;
    min-width: 140px;
    flex: 0 0 auto;
  }
  .game-stage .stats {
    /* JS will set exact left/top; allow absolute positioning */
    position: absolute;
  }
}

@media (max-width: 768px) {
  .game-stage {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  .game-stage .stats {
    position: static !important;
    transform: none !important;
    left: auto !important;
    top: auto !important;
    width: 100%;
    max-width: 640px;
    margin-top: 12px;
    box-sizing: border-box;
    padding: 0 12px;
  }
}

.game-hud {
  width: 100%;
}

.floating-audio-controls {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.floating-audio-controls .music-toggle-btn {
  position: relative;
  top: auto;
  right: auto;
}

.audio-volume-popup {
  position: absolute;
  top: 0;
  right: 100%;
  background: transparent;
  padding: 10px;
  z-index: 1000;
  display: none;
  margin-right: 5px;
}

.audio-volume-popup label {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
}

.audio-volume-slider {
  width: 150px;
}

.mobile-audio-bar {
  display: none;
}

button {
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid #889;
  background: var(--button-bg);
  color: var(--button-text);
}

button:hover { background: var(--button-hover); }

#message {
  font-size: 20px;
  font-weight: bold;
  color: darkgreen;
  margin-top: 15px;
  min-height: 24px;
}

/* Responsive styles for stat items - all breakpoints */
@media (min-width: 320px) and (max-width: 575.98px) { /* xs */
  .game-stage .stats .stat-item {
    font-size: 10px;
    padding: 4px 6px;
    min-height: 28px;
  }
}
@media (min-width: 576px) and (max-width: 767.98px) { /* sm */
  .game-stage .stats .stat-item {
    font-size: 11px;
    padding: 5px 7px;
    min-height: 30px;
  }
}
@media (min-width: 768px) and (max-width: 991.98px) { /* md */
  .game-stage .stats .stat-item {
    font-size: 12px;
    padding: 6px 8px;
    min-height: 32px;
  }
}
@media (min-width: 992px) and (max-width: 1199.98px) { /* lg */
  .game-stage .stats .stat-item {
    font-size: 13px;
    padding: 7px 9px;
    min-height: 34px;
  }
}
@media (min-width: 1200px) { /* xl */
  .game-stage .stats .stat-item {
    font-size: 14px;
    padding: 8px 12px;
    min-height: 36px;
  }
}

.stat-item {
  background: var(--button-bg);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #889;
  text-align: left;
  font-size: 13px;
  line-height: 1.3;
}

.win-stats {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  backdrop-filter: blur(2px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  padding: 4px 0;
  overflow: hidden;
}

.win-stat-row {
  padding: 14px 20px;
}

.win-stat-row + .win-stat-row {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.win-stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.win-stat-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.75;
}

.win-stat-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--primary-color, #d4a017);
  color: #fff;
  white-space: nowrap;
}

.win-stat-value {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.win-stat-detail {
  margin-top: 6px;
  font-size: 13px;
  opacity: 0.8;
  line-height: 1.4;
}

.records-table-container {
  max-width: 720px;
  margin: 20px auto;
  overflow-x: auto;
}

.records-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--button-bg);
  border-radius: 8px;
  overflow: hidden;
}

.records-table th,
.records-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

.records-table th {
  background: var(--primary-color);
  color: white;
  font-weight: bold;
}

.records-table tr:last-child td {
  border-bottom: none;
}

.records-table tr:hover {
  background: var(--button-hover);
}

.win-btn {
  background: transparent !important;
  border: 2px solid var(--primary-color);
  color: var(--primary-color) !important;
}

.win-btn:hover {
  background: var(--primary-color) !important;
  color: white !important;
}

#intro-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.intro-hero {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.intro-image {
  max-width: 100%;
  max-height: 400px;
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  margin-bottom: 0;
}

.intro-title-image {
  max-width: 100%;
  width: 100%;
  height: auto;
  margin: 8px 0;
}

.intro-title {
  font-size: 32px;
  margin: 20px 0;
  color: var(--primary-color);
}

.intro-controls {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 0;
  width: 100%;
  max-width: 400px;
}

.intro-start-btn {
  padding: 15px 40px;
  font-size: 18px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s;
  width: 100%;
  max-width: 400px;
}

.intro-start-btn:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.intro-music-btn {
  padding: 15px 30px;
  font-size: 16px;
  background: var(--button-bg);
  color: var(--button-text);
  border: 2px solid var(--primary-color);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s;
  width: 100%;
  max-width: 400px;
}

.intro-music-btn:hover {
  background: var(--button-hover);
  transform: scale(1.05);
}

.music-toggle-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  padding: 10px 20px;
  font-size: 16px;
  background: var(--button-bg);
  color: var(--button-text);
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s;
}

.music-toggle-btn:hover {
  background: var(--button-hover);
  transform: scale(1.05);
}