/* ===== Custom 2048 — Full Russian + Dark Theme + Music ===== */

:root {
  --font-main: 'Plus Jakarta Sans', 'Clear Sans', 'Helvetica Neue', Arial, sans-serif;
  --color-bg: #faf8ef;
  --color-surface: #fff;
  --color-brown: #8f7a66;
  --color-brown-light: #bbada0;
  --color-text: #776e65;
  --color-text-secondary: #999;
  --color-accent: #f2b179;
  --color-gold: #edc22e;
  --color-border: #eee4da;
  --color-card-bg: #eee4da40;
  --color-input-bg: #fff;
  --color-modal-bg: #fff;
  --color-hover-light: #eee4da;
  --color-btn-secondary-bg: #e8e4df;
  --color-btn-secondary-hover: #d6d1cb;
  --color-overlay: rgba(0,0,0,0.5);
  --theme-primary: #8f7a66;
  --theme-primary-hover: #7d6b59;
  --theme-accent: #f2b179;
  --theme-accent-hover: #e5a468;
  --theme-board-bg: #bbada0;
  --theme-cell-bg: rgba(238, 228, 218, 0.35);
  --theme-score-bg: #bbada0;
  --theme-score-label: rgba(255, 255, 255, 0.82);
  --theme-panel-tint: rgba(242, 177, 121, 0.18);
  --theme-panel-border: rgba(143, 122, 102, 0.15);
  --theme-chip-bg: rgba(143, 122, 102, 0.12);
  --radius: 8px;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-surface: #16213e;
  --color-brown: #a8967e;
  --color-brown-light: #4a4458;
  --color-text: #e0d6cc;
  --color-text-secondary: #8a8494;
  --color-accent: #e8a55a;
  --color-gold: #f0c850;
  --color-border: #2a2a4a;
  --color-card-bg: rgba(42,42,74,0.4);
  --color-input-bg: #1a1a2e;
  --color-modal-bg: #16213e;
  --color-hover-light: #2a2a4a;
  --color-btn-secondary-bg: #2a2a4a;
  --color-btn-secondary-hover: #3a3a5a;
  --color-overlay: rgba(0,0,0,0.7);
}

[data-theme="dark"],
[data-theme="dark"] body {
  background: var(--color-bg) !important;
  color: var(--color-text);
}

[data-theme="dark"] .container {
  color: var(--color-text);
}

[data-theme="dark"] .game-container {
  background: var(--theme-board-bg) !important;
}

[data-theme="dark"] .grid-cell {
  background: var(--theme-cell-bg) !important;
}

[data-theme="dark"] .tile .tile-inner {
  /* Darken tile backgrounds slightly */
  filter: brightness(0.85) saturate(1.1);
}

[data-theme="dark"] h1.title {
  color: var(--color-text) !important;
}

[data-theme="dark"] .score-container,
[data-theme="dark"] .best-container {
  background: var(--theme-score-bg) !important;
  color: #e0d6cc !important;
}

[data-theme="dark"] .score-container:after,
[data-theme="dark"] .best-container:after {
  color: var(--theme-score-label) !important;
}

[data-theme="dark"] .restart-button {
  background: var(--theme-primary) !important;
  color: #fff !important;
}

[data-theme="dark"] .game-intro,
[data-theme="dark"] .game-explanation {
  color: var(--color-text-secondary) !important;
}

[data-theme="dark"] .game-explanation strong {
  color: var(--color-text) !important;
}

/* ===== Localized Score Labels ===== */
[data-lang="ru"] .score-container:after {
  content: "СЧЕТ" !important;
}

[data-lang="ru"] .best-container:after {
  content: "ЛУЧШ" !important;
}

[data-lang="en"] .score-container:after {
  content: "SCORE" !important;
}

[data-lang="en"] .best-container:after {
  content: "BEST" !important;
}

/* ===== Base ===== */
body {
  font-family: var(--font-main);
  transition: background 0.3s ease, color 0.3s ease;
}

h1.title {
  font-family: var(--font-main);
  font-weight: 800;
  letter-spacing: -2px;
}

.game-container {
  background: var(--theme-board-bg) !important;
}

.grid-cell {
  background: var(--theme-cell-bg) !important;
}

.score-container,
.best-container {
  background: var(--theme-score-bg) !important;
}

.score-container:after,
.best-container:after {
  color: var(--theme-score-label) !important;
}

/* ===== Above-game buttons ===== */
.above-game-buttons {
  display: flex;
  gap: 8px;
  float: right;
  align-items: stretch;
}

.customize-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--theme-accent);
  border-radius: 14px;
  padding: 0 16px;
  text-decoration: none;
  color: #fff;
  height: 40px;
  line-height: 42px;
  text-align: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: background var(--transition);
}

.customize-button-icon {
  margin-right: 6px;
}

.customize-button span {
  white-space: nowrap;
}

.download-button {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brown);
  border-radius: 14px;
  padding: 0 16px;
  text-decoration: none;
  color: #fff;
  height: 40px;
  line-height: 42px;
  text-align: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: background var(--transition);
  font-family: var(--font-main);
}

.download-shortcuts {
  display: flex;
  gap: 8px;
}

.download-shortcuts .download-button {
  white-space: nowrap;
}

.download-button-android {
  background: #3ba55c;
}

.download-button-android:hover {
  background: #2f8b4b;
}

.download-button-desktop {
  background: var(--color-brown);
}

.customize-button:hover {
  background: var(--theme-accent-hover);
  color: #fff;
  text-decoration: none;
}

.download-button:hover {
  background: #7d6b59;
  color: #fff;
  text-decoration: none;
}

.restart-button {
  float: none !important;
  background: var(--theme-primary) !important;
  border-radius: 14px !important;
}

/* ===== Toolbar (Size + Theme + Music) ===== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  margin-bottom: 10px;
  position: relative;
  z-index: 5;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 2px solid var(--color-brown-light);
  border-radius: 14px;
  background: transparent;
}

.lang-btn {
  min-width: 40px;
  height: 30px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover {
  background: var(--color-hover-light);
}

.lang-btn.active {
  background: var(--color-brown);
  color: #fff;
}

.size-label {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
  margin-right: 4px;
}

.size-btn {
  border: 2px solid var(--color-brown-light);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.size-btn:hover {
  background: var(--color-hover-light);
  border-color: var(--theme-primary);
}

.size-btn.active {
  background: var(--theme-primary);
  color: #fff;
  border-color: var(--theme-primary);
}

.size-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Icon Buttons (theme, music) */
.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 2px solid var(--color-brown-light);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.icon-btn:hover {
  background: var(--color-hover-light);
  border-color: var(--theme-primary);
}
.icon-btn.active {
  background: var(--theme-primary);
  color: #fff;
  border-color: var(--theme-primary);
}

/* Theme toggle icons */
.icon-sun { display: block; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Music toggle icons */
.icon-music-on { display: none; }
.icon-music-off { display: block; }
.icon-btn.active .icon-music-on { display: block; }
.icon-btn.active .icon-music-off { display: none; }

/* ===== Music Panel ===== */
.music-panel {
  display: none;
  margin-top: 30px;
  margin-bottom: -20px;
  padding: 12px 14px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  position: relative;
  z-index: 4;
}
.music-panel.visible {
  display: block;
}

.music-input-row {
  display: flex;
  gap: 6px;
}

.music-file-btn {
  font-size: 16px;
  padding: 0 8px;
  line-height: 34px;
  height: 34px;
  cursor: pointer;
  flex-shrink: 0;
}

.music-url-input {
  flex: 1;
  height: 34px;
  border: 2px solid var(--color-brown-light);
  border-radius: 6px;
  padding: 0 12px;
  font-size: 13px;
  font-family: var(--font-main);
  outline: none;
  background: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.music-url-input:focus {
  border-color: var(--color-brown);
}
.music-url-input::placeholder {
  color: var(--color-text-secondary);
}

.music-player-wrap {
  margin-top: 8px;
  border-radius: 8px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.music-player-wrap.has-player {
  max-height: 400px;
}
.music-player-wrap iframe {
  width: 100%;
  border: none;
  border-radius: 8px;
}
.music-player-wrap audio {
  width: 100%;
  border-radius: 8px;
  margin-top: 4px;
}

.music-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.music-now-playing {
  font-size: 12px;
  color: var(--color-text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Volume Control */
.volume-control {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.volume-icon {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-brown-light);
  outline: none;
  cursor: pointer;
  transition: opacity 0.15s;
}
.volume-slider:hover {
  opacity: 0.9;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-brown);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-brown);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

[data-theme="dark"] .volume-slider::-webkit-slider-thumb {
  border-color: var(--color-bg);
}
[data-theme="dark"] .volume-slider::-moz-range-thumb {
  border-color: var(--color-bg);
}

.volume-value {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 28px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ===== Music Service Link Box ===== */
.music-link-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-top: 8px;
}

.music-link-text {
  flex: 1;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.4;
}

/* ===== Records Panel ===== */
.records-panel {
  margin-top: 20px;
  padding: 16px;
  background: var(--color-card-bg);
  border-radius: 16px;
  border: 1px solid var(--color-border);
}

.records-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.records-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.record-card {
  background: var(--color-brown-light);
  border-radius: 6px;
  padding: 10px 8px;
  text-align: center;
  transition: all var(--transition);
}

.record-card.record-active {
  background: var(--theme-primary);
  transform: scale(1.05);
}

.record-size {
  font-size: 12px;
  font-weight: 700;
  color: #eee4da;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.record-score {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* ===== Win Message ===== */
.win-sub {
  display: block;
  font-size: 18px;
  font-weight: 600;
  margin-top: 8px;
  line-height: 1.4;
  color: #f9f6f2;
}

.game-container .game-message.game-won p {
  font-size: 36px;
  margin-top: 170px;
  height: auto;
  line-height: 1.3;
}

.game-container .game-message .keep-playing-button {
  background: #4CAF50;
  color: #fff;
}
.game-container .game-message .keep-playing-button:hover {
  background: #45a049;
}

/* ===== Tile Images ===== */
.tile-inner.has-image {
  position: relative;
  overflow: hidden;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 3px;
  position: absolute;
  top: 0;
  left: 0;
}

.tile-label {
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.7), 0 0 6px rgba(0,0,0,0.3);
  z-index: 2;
  line-height: 1;
}

/* ===== Modal Overlay ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--color-modal-bg);
  border-radius: 22px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  animation: modal-in 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--color-border);
}
.modal-header h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-main);
}
.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background var(--transition);
}
.modal-close:hover {
  background: var(--color-hover-light);
  color: var(--color-text);
}

.modal-body {
  padding: 16px 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-hint {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 16px;
  line-height: 1.5;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--color-border);
}
.modal-footer-left {
  display: flex;
  gap: 8px;
}

/* ===== Tile Config Grid ===== */
.tile-config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.theme-lab-section,
.tile-settings-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tile-settings-section {
  margin-top: 20px;
}

.theme-lab-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.theme-lab-title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.theme-lab-subtitle {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.theme-preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.theme-preset-card {
  border: 1px solid rgba(143, 122, 102, 0.12);
  border-radius: 18px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.38);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  text-align: left;
  color: var(--color-text);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.theme-preset-card:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--theme-primary);
  box-shadow: 0 12px 24px rgba(143, 122, 102, 0.12);
}

.theme-preset-card.is-active {
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 2px var(--theme-chip-bg);
}

.theme-preset-card.is-locked {
  opacity: 0.58;
  cursor: not-allowed;
}

.theme-preset-name {
  font-size: 14px;
  line-height: 1.2;
}

.theme-preset-description {
  font-size: 12px;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.theme-preset-swatches {
  display: flex;
  gap: 6px;
}

.theme-preset-swatch {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.14);
}

.theme-preset-meta {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--theme-primary);
}

.theme-custom-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.theme-custom-title {
  color: var(--color-text);
  font-size: 14px;
}

.theme-custom-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.theme-lock-note {
  margin: -2px 0 2px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--theme-chip-bg);
  color: var(--color-text);
  font-size: 12px;
  line-height: 1.5;
}

.theme-lock-note[hidden] {
  display: none;
}

.theme-color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.theme-color-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 16px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
}

.theme-color-control.is-locked {
  opacity: 0.52;
}

.theme-color-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text);
}

.theme-color-picker {
  position: relative;
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
}

.theme-color-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  opacity: 0;
  z-index: 2;
}

.theme-color-swatch {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(143, 122, 102, 0.12);
  pointer-events: none;
}

.theme-color-input:focus + .theme-color-swatch {
  box-shadow:
    0 0 0 3px var(--theme-chip-bg),
    inset 0 0 0 1px rgba(143, 122, 102, 0.12);
}

.theme-color-input:disabled {
  cursor: not-allowed;
}

.theme-color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.theme-color-input::-webkit-color-swatch,
.theme-color-input::-moz-color-swatch {
  border: none;
}

.tile-config-card {
  background: var(--color-card-bg);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}
.tile-config-card:hover {
  border-color: var(--color-brown-light);
}

.tile-preview {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}
.preview-number {
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-main);
}
.preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.tile-value-label {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  min-width: 42px;
}

.btn-group {
  display: flex;
  gap: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: none;
  border-radius: 12px;
  font-family: var(--font-main);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-sm {
  height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.btn-upload {
  background: var(--theme-primary);
  color: #fff;
  cursor: pointer;
}
.btn-upload:hover {
  background: var(--theme-primary-hover);
}

.btn-url {
  background: var(--color-btn-secondary-bg);
  color: var(--color-text);
}
.btn-url:hover {
  background: var(--color-btn-secondary-hover);
}

.btn-remove {
  background: #f5d5d5;
  color: #c44;
  width: 30px;
  padding: 0;
}
.btn-remove:hover {
  background: #e8b8b8;
}

[data-theme="dark"] .btn-remove {
  background: #3a2020;
  color: #f55;
}
[data-theme="dark"] .btn-remove:hover {
  background: #4a2a2a;
}

.btn-primary {
  height: 40px;
  padding: 0 24px;
  font-size: 15px;
  background: var(--theme-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--theme-primary-hover);
}
.btn-primary.btn-sm {
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.btn-secondary {
  height: 40px;
  padding: 0 24px;
  font-size: 15px;
  background: var(--color-btn-secondary-bg);
  color: var(--color-text);
}
.btn-secondary:hover {
  background: var(--color-btn-secondary-hover);
}

/* ===== URL Input Row ===== */
.url-input-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.url-text-input {
  flex: 1;
  height: 30px;
  border: 2px solid var(--color-brown-light);
  border-radius: 10px;
  padding: 0 10px;
  font-size: 12px;
  font-family: var(--font-main);
  outline: none;
  background: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.url-text-input:focus {
  border-color: var(--color-brown);
}

/* ===== Game Layout ===== */
.play-layout {
  margin-top: 8px;
}

.side-panel {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 18px;
}

.progress-controls {
  display: flex;
  margin: 0 0 10px;
}

.progress-sections {
  display: grid;
  gap: 10px;
}

.progress-toggle-btn {
  width: 100%;
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
}

.progress-toggle-btn.is-collapsed {
  background: var(--theme-chip-bg);
}

.progress-sections[hidden] {
  display: none !important;
}

.panel-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.panel-section-header .side-title {
  margin-bottom: 0;
}

.profile-card,
.achievements-card {
  margin-bottom: 0;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid var(--theme-panel-border);
  background:
    linear-gradient(145deg, var(--theme-panel-tint), rgba(255, 255, 255, 0.18)),
    var(--color-card-bg);
}

.profile-badge,
.achievements-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--theme-chip-bg);
  color: var(--color-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 6px;
}

.profile-stat-card {
  min-height: 56px;
  padding: 8px 9px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.36);
  border: 1px solid rgba(143, 122, 102, 0.1);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-stat-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  line-height: 1.15;
  color: var(--color-text-secondary);
}

.profile-stat-value {
  font-size: 18px;
  line-height: 1;
  color: var(--color-text);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.achievements-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 6px;
  max-height: 250px;
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
}

.achievement-item {
  padding: 8px 9px;
  border-radius: 14px;
  border: 1px solid rgba(143, 122, 102, 0.1);
  background: rgba(255, 255, 255, 0.28);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.achievement-item.is-unlocked {
  border-color: rgba(76, 175, 80, 0.28);
  background: linear-gradient(145deg, rgba(76, 175, 80, 0.12), rgba(255, 255, 255, 0.28));
}

.achievement-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.achievement-title {
  font-size: 12px;
  line-height: 1.2;
  color: var(--color-text);
}

.achievement-progress {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--theme-primary);
  white-space: nowrap;
}

.achievement-description {
  margin: 4px 0 0;
  font-size: 10px;
  line-height: 1.35;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.achievement-reward {
  display: inline-flex;
  margin-top: 4px;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text);
  background: var(--theme-chip-bg);
  border-radius: 999px;
  padding: 3px 7px;
}

.side-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

[data-runtime="app"] .download-only-web {
  display: none !important;
}

[data-runtime="web"] .app-only-feature {
  display: none !important;
}

.download-panel {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background:
    linear-gradient(145deg, rgba(237, 194, 46, 0.16), rgba(255, 255, 255, 0.22)),
    var(--color-card-bg);
}

.download-panel-header {
  margin-bottom: 12px;
}

.download-panel-title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.download-panel-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.download-option {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(143, 122, 102, 0.14);
  background: rgba(255, 255, 255, 0.44);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.download-option:hover {
  transform: translateY(-1px);
  text-decoration: none;
  border-color: var(--color-brown);
  box-shadow: 0 10px 20px rgba(143, 122, 102, 0.12);
}

.download-option-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(143, 122, 102, 0.12);
  color: var(--color-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.download-option-title {
  font-size: 16px;
  line-height: 1.2;
  color: var(--color-text);
}

.download-option-text {
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.download-option-android {
  background: linear-gradient(180deg, rgba(76, 175, 80, 0.1), rgba(255, 255, 255, 0.44));
}

.download-option-desktop {
  background: linear-gradient(180deg, rgba(63, 81, 181, 0.08), rgba(255, 255, 255, 0.44));
}

.side-panel .game-explanation {
  margin: 0 0 12px;
  line-height: 1.55;
}

.side-panel .game-explanation:last-child {
  margin-bottom: 0;
}

.online-card {
  margin-bottom: 12px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--theme-panel-border);
  background:
    linear-gradient(145deg, var(--theme-panel-tint), rgba(255, 255, 255, 0.2)),
    var(--color-card-bg);
}

.online-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.online-card-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.online-title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.online-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.online-badge-offline {
  background: rgba(143, 122, 102, 0.12);
  color: var(--color-text-secondary);
}

.online-badge-waiting {
  background: rgba(242, 177, 121, 0.18);
  color: #b76c2f;
}

.online-badge-live {
  background: rgba(76, 175, 80, 0.18);
  color: #2f8a42;
}

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

.online-server-toggle {
  padding: 0 12px;
  white-space: nowrap;
}

.online-server-toggle.active {
  background: var(--theme-primary);
  color: #fff;
  border-color: var(--theme-primary);
}

.online-create-btn {
  display: flex;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.online-server-input,
.online-name-input,
.online-room-input,
.online-join-row .btn,
.online-session-actions .btn {
  box-sizing: border-box;
}

.online-server-input,
.online-name-input {
  width: 100%;
  max-width: 100%;
}

.online-server-input,
.online-name-input {
  display: block;
  height: 40px;
  border: 2px solid var(--color-brown-light);
  border-radius: 12px;
  padding: 0 12px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-input-bg);
  outline: none;
}

.online-server-row[hidden] {
  display: none;
}

.online-server-input {
  text-transform: none;
  letter-spacing: 0;
}

.online-server-input:focus,
.online-name-input:focus,
.online-room-input:focus {
  border-color: var(--color-brown);
}

.online-join-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.online-room-input {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  height: 40px;
  border: 2px solid var(--color-brown-light);
  border-radius: 12px;
  padding: 0 12px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text);
  background: var(--color-input-bg);
  outline: none;
}

.online-join-row .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.online-session[hidden] {
  display: none;
}

.online-room-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.online-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.online-room-code {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 1px;
}

.online-status-text {
  margin: 12px 0 14px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.online-scoreboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.online-player-card {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid rgba(143, 122, 102, 0.12);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.online-player-role {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-text-secondary);
}

.online-player-score {
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.online-player-name {
  font-size: 16px;
  line-height: 1.15;
  font-weight: 800;
  color: var(--color-text);
}

.online-player-meta {
  font-size: 11px;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.online-preview-wrap {
  margin-top: 8px;
}

.online-preview {
  --preview-size: 4;
  display: grid;
  grid-template-columns: repeat(var(--preview-size), minmax(0, 1fr));
  gap: 4px;
  padding: 8px;
  border-radius: 14px;
  background: rgba(187, 173, 160, 0.18);
  min-height: 96px;
}

.online-preview-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  border-radius: 12px;
  color: var(--color-text-secondary);
  font-size: 11px;
  text-align: center;
}

.online-preview-cell {
  aspect-ratio: 1;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  color: #776e65;
  background: rgba(238, 228, 218, 0.6);
}

.online-preview-cell-empty {
  background: rgba(255, 255, 255, 0.16);
}

.online-session-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.online-session-actions .btn {
  flex: 1;
}

.online-error {
  margin: 12px 0 0;
  color: #c4554d;
  font-size: 12px;
  line-height: 1.4;
}

.owner-stats-card[hidden] {
  display: none !important;
}

.owner-stats-card {
  margin-bottom: 12px;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid var(--theme-panel-border);
  background:
    linear-gradient(145deg, rgba(76, 175, 80, 0.08), rgba(255, 255, 255, 0.18)),
    var(--color-card-bg);
}

.owner-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 6px;
}

.owner-stat-card {
  min-height: 58px;
  padding: 8px 9px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid rgba(143, 122, 102, 0.1);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.owner-stat-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--color-text-secondary);
  line-height: 1.2;
}

.owner-stat-value {
  font-size: 18px;
  line-height: 1;
  font-weight: 800;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.owner-stats-recent {
  margin-top: 10px;
}

.owner-stats-recent-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--color-text);
}

.owner-stats-list {
  display: grid;
  gap: 6px;
  max-height: 260px;
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
}

.owner-visit-item {
  padding: 8px 9px;
  border-radius: 14px;
  border: 1px solid rgba(143, 122, 102, 0.1);
  background: rgba(255, 255, 255, 0.3);
}

.owner-visit-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.owner-visit-name {
  font-size: 12px;
  line-height: 1.2;
  color: var(--color-text);
}

.owner-visit-time {
  font-size: 10px;
  font-weight: 700;
  color: var(--theme-primary);
  white-space: nowrap;
}

.owner-visit-meta,
.owner-visit-extra {
  margin: 4px 0 0;
  font-size: 10px;
  line-height: 1.35;
  color: var(--color-text-secondary);
}

.owner-stats-empty {
  padding: 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.28);
  border: 1px dashed rgba(143, 122, 102, 0.16);
  color: var(--color-text-secondary);
  font-size: 11px;
  line-height: 1.45;
}

[data-theme="dark"] .online-badge-offline {
  background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .online-badge-waiting {
  color: #f0c850;
}

[data-theme="dark"] .online-badge-live {
  color: #7bd389;
}

[data-theme="dark"] .online-player-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .download-option {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .download-option-android {
  background: linear-gradient(180deg, rgba(76, 175, 80, 0.12), rgba(255, 255, 255, 0.04));
}

[data-theme="dark"] .download-option-desktop {
  background: linear-gradient(180deg, rgba(63, 81, 181, 0.12), rgba(255, 255, 255, 0.04));
}

[data-theme="dark"] .download-option:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

[data-theme="dark"] .online-preview {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .online-preview-cell {
  color: #f1e7db;
}

[data-theme="dark"] .online-preview-cell-empty {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .profile-stat-card,
[data-theme="dark"] .owner-stat-card,
[data-theme="dark"] .owner-visit-item,
[data-theme="dark"] .achievement-item,
[data-theme="dark"] .theme-preset-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .theme-color-control {
  background: rgba(255, 255, 255, 0.05);
}

.unlock-toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 10001;
  pointer-events: none;
}

.unlock-toast {
  min-width: 240px;
  max-width: 320px;
  padding: 14px 16px;
  border-radius: 18px;
  color: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
  transform: translateY(16px);
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
}

.unlock-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.unlock-toast-achievement {
  background: linear-gradient(145deg, #2f8b4b, #54b36e);
}

.unlock-toast-theme {
  background: linear-gradient(145deg, var(--theme-primary), var(--theme-accent));
}

.unlock-toast-title {
  display: block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.45px;
}

.unlock-toast-body {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.4;
}

@media screen and (min-width: 960px) {
  html, body {
    height: 100%;
    overflow: hidden;
  }

  body {
    margin: 0 !important;
    padding: 12px 16px;
    box-sizing: border-box;
  }

  .container {
    width: min(1120px, 100%) !important;
    height: calc(100vh - 24px);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
  }

  .play-layout {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-top: 10px;
    flex: 1;
    min-height: 0;
  }

  .play-main {
    width: 500px;
    flex: 0 0 auto;
  }

  .game-container {
    margin-top: 12px;
  }

  .records-panel {
    margin-top: 12px;
  }

  .side-panel {
    margin-top: 0;
    min-width: 250px;
    max-width: 320px;
    max-height: 100%;
    overflow: auto;
  }
}

/* ===== Mobile ===== */
@media screen and (max-width: 520px) {
  .above-game-buttons {
    float: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 8px;
    gap: 8px;
    width: 100%;
  }
  .restart-button,
  .customize-button {
    width: 100%;
    min-width: 0;
    padding: 0 10px;
    font-size: 13px;
    line-height: 1;
  }
  .download-shortcuts {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
  }
  .customize-button {
    gap: 6px;
    flex-wrap: nowrap;
  }
  .customize-button-icon {
    margin-right: 0;
    flex: 0 0 auto;
  }
  .restart-button,
  .customize-button,
  .download-button {
    display: flex !important;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    text-align: center;
    justify-content: center;
    align-items: center;
  }
  .download-button {
    padding: 0 10px;
    font-size: 12px;
    line-height: 1.1;
    min-height: 42px;
    white-space: nowrap;
  }
  .game-intro {
    float: none !important;
    width: 100% !important;
  }
  .modal {
    max-height: 90vh;
    border-radius: 12px;
  }
  .tile-config-grid {
    grid-template-columns: 1fr;
  }
  .tile-label {
    font-size: 10px;
  }
  .tile-inner.has-image .tile-image {
    border-radius: 3px;
  }
  .online-scoreboard {
    grid-template-columns: 1fr;
  }
  .online-session-actions {
    flex-direction: column;
  }
  .online-card {
    padding: 12px;
  }
  .online-card-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .online-card-header-actions {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
  }
  .online-server-toggle {
    width: 100%;
    min-width: 0;
  }
  .online-badge {
    max-width: 100%;
    min-width: 0;
    white-space: nowrap;
  }
  .toolbar {
    margin-top: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .toolbar-left {
    flex-wrap: wrap;
  }
  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
  .lang-switch {
    order: 1;
  }
  .size-btn {
    padding: 5px 10px;
    font-size: 12px;
  }
  .records-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
  .record-score {
    font-size: 16px;
  }
  .record-size {
    font-size: 11px;
  }
  .game-container .game-message.game-won p {
    font-size: 24px;
    margin-top: 70px;
  }
  .win-sub {
    font-size: 13px;
  }
  .music-panel {
    margin-top: 18px;
    margin-bottom: -8px;
  }
  .music-url-input {
    font-size: 12px;
  }
  .theme-preset-grid,
  .theme-color-grid {
    grid-template-columns: 1fr;
  }
  .profile-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  }
  .profile-stat-card {
    min-height: 54px;
    padding: 7px 8px;
  }
  .profile-stat-value {
    font-size: 17px;
  }
  .owner-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .owner-stat-card {
    min-height: 54px;
    padding: 7px 8px;
  }
  .owner-stats-list {
    max-height: 220px;
  }
  .achievement-item {
    padding: 8px;
  }
  .achievement-title {
    font-size: 11px;
  }
  .achievement-description {
    font-size: 10px;
  }
  .achievements-list {
    max-height: 220px;
  }
  .progress-toggle-btn {
    font-size: 11px;
  }
  .theme-custom-head {
    flex-direction: column;
    align-items: stretch;
  }
  .theme-custom-actions {
    width: 100%;
  }
  .theme-custom-actions .btn {
    flex: 1;
  }
  .unlock-toast-stack {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }
  .unlock-toast {
    min-width: 0;
    max-width: none;
  }
}

@media screen and (max-width: 380px) {
  .restart-button,
  .customize-button,
  .download-button {
    font-size: 12px;
  }

  .download-button {
    font-size: 11px;
  }

  .profile-stats-grid,
  .owner-stats-grid,
  .achievements-list {
    grid-template-columns: 1fr;
  }
}