/* ═══════════════════════════════════════════════════════════════════
   MIA GAMES — Classic Stack Styles
   File     : games/classic-stack/classic-stack.css
   Version  : 4.0 — Fixed board height, ghost piece, line clearing
   Inherits : ../../style.css (global tokens + layout)
   ═══════════════════════════════════════════════════════════════════ */

/* ── Breadcrumb ─────────────────────────────────────────────────── */
.breadcrumb-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.625rem 0;
}
.breadcrumb { display:flex; align-items:center; gap:0.4rem; flex-wrap:wrap; }
.breadcrumb li { font-size:var(--fs-sm); color:var(--text-muted); }
.breadcrumb a  { color:var(--text-muted); text-decoration:none; transition:color var(--transition-fast); }
.breadcrumb a:hover { color:var(--accent-purple); }
.breadcrumb [aria-current="page"] { color:var(--text-secondary); font-weight:var(--fw-medium); }

.sr-only {
  position:absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ═══════════════════════════════════════════════════════════════════
   GAME AREA
   ═══════════════════════════════════════════════════════════════════ */

.cs-game-area {
  min-height: unset;
  padding: var(--space-3);
  gap: var(--space-2);
  align-items: center;
}

/* ═══════════════════════════════════════════════════════════════════
   GAME CONTROLS
   ═══════════════════════════════════════════════════════════════════ */

.cs-game-area .game-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  row-gap: var(--space-1);
  column-gap: var(--space-2);
  width: 100%;
  padding: 0 6px var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
  min-height: 36px;
  box-sizing: border-box;
}

.cs-game-area .game-controls-title {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.3;
  letter-spacing: var(--ls-snug);
}

.cs-game-area .game-controls .game-controls-right {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
}

.cs-game-area .game-controls .control-btn,
.cs-game-area .game-controls .control-btn.control-btn--primary,
.cs-game-area .game-controls button {
  height: 28px;
  min-height: 28px;
  max-height: 28px;
  line-height: 1;
  box-sizing: border-box;
  flex-shrink: 0;
  padding: 0 var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.cs-game-area .game-controls .control-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.cs-game-area .game-controls .control-btn svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  display: block;
}

.cs-game-area .game-controls .control-btn.control-btn--primary {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border-color: var(--border-accent);
}

.cs-game-area .game-controls .control-btn.control-btn--primary:hover {
  background: var(--accent-purple);
  color: #fff;
}

/* ═══════════════════════════════════════════════════════════════════
   STATS ROW
   ═══════════════════════════════════════════════════════════════════ */

.game-stats-row {
  display: flex;
  justify-content: space-around;
  width: 100%;
  padding: var(--space-0-5) 0;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.game-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  flex: 1;
  min-width: 35px;
}

.game-stat-label {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  font-weight: var(--fw-medium);
}

.game-stat-value {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: 1.2;
}

/* ═══════════════════════════════════════════════════════════════════
   GAME STATUS
   ═══════════════════════════════════════════════════════════════════ */

.game-status {
  font-family: var(--font-display);
  font-size: clamp(0.7rem, 1.2vw, var(--fs-sm));
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  text-align: center;
  min-height: 1.3em;
  padding: var(--space-0-5) 0;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   BOARD CONTAINER — Reduced height for desktop fit
   ═══════════════════════════════════════════════════════════════════ */

.cs-board-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  touch-action: none;
}

.cs-board-container {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  touch-action: none;
}

.cs-board-wrapper {
  position: relative;
  display: inline-block;
  touch-action: none;
}

/* ── Main Board ── */
.cs-board {
  display: grid;
  grid-template-columns: repeat(10, var(--cs-cell, 24px));
  grid-template-rows: repeat(20, var(--cs-cell, 24px));
  gap: 1px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(124, 109, 250, 0.06);
  overflow: hidden;
  touch-action: none;
  position: relative;
}

/* ── Starfield backdrop — a few dozen tiny fixed "stars" behind the grid.
   Only visible through empty cells (which are given a slightly transparent
   background below) and the 1px gaps between cells; naturally hidden
   behind any placed piece, which is the intended look — stars are "sky",
   not painted over blocks. ── */
.cs-board::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.5px 1.5px at 8% 6%,  rgba(255,255,255,0.55) 50%, transparent 100%),
    radial-gradient(1px 1px at 22% 18%,    rgba(255,255,255,0.35) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 38% 9%, rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 55% 25%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 68% 4%, rgba(255,255,255,0.50) 50%, transparent 100%),
    radial-gradient(1px 1px at 82% 31%,    rgba(255,255,255,0.35) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 92% 14%,rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 12% 42%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 30% 55%,rgba(255,255,255,0.40) 50%, transparent 100%),
    radial-gradient(1px 1px at 47% 68%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 63% 48%,rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 76% 62%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 90% 75%,rgba(255,255,255,0.40) 50%, transparent 100%),
    radial-gradient(1px 1px at 15% 82%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 35% 90%,rgba(255,255,255,0.45) 50%, transparent 100%),
    radial-gradient(1px 1px at 58% 88%,    rgba(255,255,255,0.30) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 80% 92%,rgba(255,255,255,0.40) 50%, transparent 100%);
  background-repeat: no-repeat;
}

[data-theme="light"] .cs-board::before {
  opacity: 0.35; /* keep it subtle rather than gray specks on a light board */
}

/* ── Board Cells ── */
.cs-cell {
  width: var(--cs-cell, 24px);
  height: var(--cs-cell, 24px);
  background: rgba(20, 20, 32, 0.55); /* semi-transparent so the starfield shows through empty space */
  border-radius: 1px;
  transition: background 0.06s ease, box-shadow 0.06s ease;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

[data-theme="light"] .cs-cell {
  background: rgba(255, 255, 255, 0.4);
}

/* ── PIECE COLORS — Neon Palette with Glow ── */

/* Piece 0: I — Cyan */
.cs-cell.piece-0 {
  background: #00f0f0;
  box-shadow: 0 0 8px rgba(0, 240, 240, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-0.glow { box-shadow: 0 0 16px rgba(0, 240, 240, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 1: O — Yellow */
.cs-cell.piece-1 {
  background: #f0f000;
  box-shadow: 0 0 8px rgba(240, 240, 0, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-1.glow { box-shadow: 0 0 16px rgba(240, 240, 0, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 2: T — Purple */
.cs-cell.piece-2 {
  background: #a000f0;
  box-shadow: 0 0 8px rgba(160, 0, 240, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-2.glow { box-shadow: 0 0 16px rgba(160, 0, 240, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 3: S — Green */
.cs-cell.piece-3 {
  background: #00f000;
  box-shadow: 0 0 8px rgba(0, 240, 0, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-3.glow { box-shadow: 0 0 16px rgba(0, 240, 0, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 4: Z — Red */
.cs-cell.piece-4 {
  background: #f00000;
  box-shadow: 0 0 8px rgba(240, 0, 0, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-4.glow { box-shadow: 0 0 16px rgba(240, 0, 0, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 5: J — Blue */
.cs-cell.piece-5 {
  background: #0000f0;
  box-shadow: 0 0 8px rgba(0, 0, 240, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-5.glow { box-shadow: 0 0 16px rgba(0, 0, 240, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* Piece 6: L — Orange */
.cs-cell.piece-6 {
  background: #f0a000;
  box-shadow: 0 0 8px rgba(240, 160, 0, 0.4), inset 0 0 3px rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cs-cell.piece-6.glow { box-shadow: 0 0 16px rgba(240, 160, 0, 0.6), inset 0 0 5px rgba(255, 255, 255, 0.3); }

/* ── Light Theme Adjustments ── */
[data-theme="light"] .cs-cell.piece-0 { box-shadow: 0 0 6px rgba(0, 200, 200, 0.3); }
[data-theme="light"] .cs-cell.piece-1 { box-shadow: 0 0 6px rgba(200, 200, 0, 0.3); }
[data-theme="light"] .cs-cell.piece-2 { box-shadow: 0 0 6px rgba(140, 0, 200, 0.3); }
[data-theme="light"] .cs-cell.piece-3 { box-shadow: 0 0 6px rgba(0, 200, 0, 0.3); }
[data-theme="light"] .cs-cell.piece-4 { box-shadow: 0 0 6px rgba(200, 0, 0, 0.3); }
[data-theme="light"] .cs-cell.piece-5 { box-shadow: 0 0 6px rgba(0, 0, 200, 0.3); }
[data-theme="light"] .cs-cell.piece-6 { box-shadow: 0 0 6px rgba(200, 140, 0, 0.3); }

/* ── Ghost Piece — Transparent outline, no fill ── */
.cs-cell.ghost {
  background: transparent !important;
  border: 1.5px dashed rgba(255, 255, 255, 0.25) !important;
  box-shadow: none !important;
  z-index: 0 !important;
}
[data-theme="light"] .cs-cell.ghost {
  border-color: rgba(0, 0, 0, 0.2) !important;
}

/* ── Flash Animation ── */
.cs-cell.flash {
  animation: csFlash 0.25s ease both;
  z-index: 5 !important;
}

@keyframes csFlash {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.1; transform: scale(1.12); background: #ffffff; }
  100% { opacity: 1; transform: scale(1); }
}

/* ── Start Overlay & Pause Overlay share the same visual treatment ── */
.cs-start-overlay,
.cs-pause-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md);
  z-index: 20;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
}

.cs-start-overlay .cs-start-icon,
.cs-pause-overlay .cs-pause-icon {
  font-size: 3rem;
  display: block;
}

.cs-start-overlay h2,
.cs-pause-overlay h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: var(--fw-bold);
  color: #fff;
  margin: 0;
}

.cs-start-overlay p,
.cs-pause-overlay p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  margin: 0;
  text-align: center;
}

.cs-start-overlay .control-btn,
.cs-pause-overlay .control-btn {
  margin-top: 0.3rem;
  background: var(--gradient-brand);
  color: #fff;
  border: none;
  padding: 0.6rem 2rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
  pointer-events: auto !important;
  touch-action: manipulation !important;
}

.cs-start-overlay .control-btn:hover,
.cs-pause-overlay .control-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(124, 109, 250, 0.4);
}

/* ── Side Info ── */
.cs-side-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ── Stats Panel (Score / Level / Lines / High Score) — lives in the side
   column now, above Next/Hold, so it's always visible next to the board
   without ever needing to scroll the page to see it. ── */
.cs-stats-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1-5, 0.375rem);
  min-width: calc(var(--cs-cell, 24px) * 4 + 12px);
}

.cs-stat-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.cs-stat-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
}

.cs-stat-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: 1;
}

.cs-next-wrap,
.cs-hold-wrap {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: calc(var(--cs-cell, 24px) * 4 + 12px);
}

/* On desktop, give the sidebar cards a more generous, substantial width
   rather than sizing them purely off the 4-cell preview grid — makes them
   read as proper "cards" alongside the now-larger board instead of thin
   strips. */
@media (min-width: 769px) {
  .cs-stats-panel,
  .cs-next-wrap,
  .cs-hold-wrap {
    min-width: 220px;
  }
}

/* Prominent Next/Hold titles — was 0.55rem, easy to miss entirely.
   Now clearly legible, with a small accent bar under each for emphasis. */
.cs-side-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  margin: 0 0 var(--space-1-5, 0.375rem);
  padding-bottom: var(--space-1);
  text-align: center;
  width: 100%;
  border-bottom: 2px solid var(--accent-purple, #7c6dfa);
}

.cs-next-board,
.cs-hold-board {
  display: grid;
  grid-template-columns: repeat(4, var(--cs-cell, 24px));
  grid-template-rows: repeat(4, var(--cs-cell, 24px));
  gap: 1px;
  pointer-events: none;
  box-sizing: border-box;
}

.cs-next-board .cs-cell,
.cs-hold-board .cs-cell {
  background: var(--bg-secondary);
}

.cs-hold-btn {
  margin-top: var(--space-1);
  padding: var(--space-0-5) var(--space-2);
  font-family: var(--font-body);
  font-size: 0.55rem;
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  width: 100%;
  touch-action: manipulation;
  pointer-events: auto;
}

.cs-hold-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.cs-hold-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════════
   TOUCH CONTROLS — compact D-pad + Pause (mobile)
   Layout: 5-column, 2-row grid. Rotate on top-centre (col 2), Pause
   on top-right (col 5) — one empty column (col 4) separates them.
   Left / Drop / Right on the bottom row (cols 1–3).
   ═══════════════════════════════════════════════════════════════════ */

.cs-touch-controls {
  display: none;
  width: 100%;
  max-width: 300px;
  margin-top: var(--space-2);
  flex-direction: column;
  align-items: center;
  touch-action: manipulation;
}

.cs-dpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr) 34px 34px;
  grid-template-rows: auto auto;
  gap: 4px;
  width: 100%;
  max-width: 280px;
  touch-action: manipulation;
}

.cs-touch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  touch-action: manipulation;
  pointer-events: auto;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform 0.1s ease;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  height: 34px;
  min-height: 34px;
  min-width: 0;
}

.cs-touch-btn:active {
  transform: scale(0.94);
  background: var(--bg-tertiary);
  border-color: var(--accent-purple);
}

/* D-pad grid placement */
.cs-touch-btn--rotate { grid-column: 2; grid-row: 1; }
.cs-touch-btn--pause  { grid-column: 5; grid-row: 1; }
.cs-touch-btn--left   { grid-column: 1; grid-row: 2; }
.cs-touch-btn--drop   { grid-column: 2; grid-row: 2; }
.cs-touch-btn--right  { grid-column: 3; grid-row: 2; }

/* Pause button — same size as D-pad buttons, distinct surface */
.cs-touch-btn--pause {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
}

.cs-touch-btn--pause:active {
  background: var(--accent-purple-dim);
  border-color: var(--accent-purple);
}

/* Rotate icon — bolder and slightly larger than the default glyph.
   The ↻ character renders as a hairline circle-arrow in most system
   fonts. Increasing font-size alone makes it taller but still thin;
   the text-stroke and text-shadow below thicken the strokes so it
   reads clearly at small sizes. Only the icon changes — the button's
   height and width are fixed by the base .cs-touch-btn rule. */
.cs-touch-btn--rotate {
  font-size: 1.05rem;
  font-weight: 700;
  -webkit-text-stroke: 0.4px currentColor;
  text-shadow: 0 0 0.5px currentColor;
}

/* Show on touch devices and narrow viewports */
@media (pointer: coarse) {
  .cs-touch-controls { display: flex; }
}
@media (max-width: 768px) {
  .cs-touch-controls { display: flex; }
}
@media (max-width: 480px) {
  .cs-dpad {
    max-width: 260px;
    grid-template-columns: repeat(3, 1fr) 32px 32px;
    gap: 4px;
  }
  .cs-touch-btn {
    height: 32px;
    min-height: 32px;
    font-size: 0.8rem;
  }
  .cs-touch-btn--rotate {
    font-size: 1rem;
  }
}
@media (max-width: 360px) {
  .cs-dpad {
    max-width: 240px;
    grid-template-columns: repeat(3, 1fr) 30px 30px;
    gap: 3px;
  }
  .cs-touch-btn {
    height: 30px;
    min-height: 30px;
    font-size: 0.75rem;
  }
  .cs-touch-btn--rotate {
    font-size: 0.95rem;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   GAME OVER OVERLAY
   ═══════════════════════════════════════════════════════════════════ */

.cs-gameover {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  animation: csFadeIn 0.4s ease;
}

@keyframes csFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.cs-gameover-content {
  text-align: center;
  color: #fff;
  padding: 1.5rem;
  max-width: 360px;
}

.cs-gameover-icon {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 0.5rem;
  animation: csShake 0.5s ease;
}

@keyframes csShake {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

.cs-gameover-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.5rem;
  color: #fff;
}

.cs-gameover-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-base);
  margin-bottom: 0.3rem;
}

.cs-gameover-content .control-btn {
  margin-top: 1rem;
  background: var(--gradient-brand);
  color: #fff;
  border: none;
  padding: 0.6rem 1.8rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.cs-gameover-content .control-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 18px rgba(124, 109, 250, 0.4);
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .cs-game-area { padding: var(--space-2); gap: var(--space-2); }
  /* Board and sidebar stay side by side at every screen size, matching
     the desktop arrangement — they do NOT stack into separate full-width
     rows on mobile. computeCellSize() shrinks the cell size enough that
     both fit together within the viewport width. */
  .cs-board-container { flex-direction: row; align-items: flex-start; justify-content: center; }
  .cs-side-info {
    flex-direction: column;
    gap: var(--space-1-5, 0.375rem);
  }
  .cs-stats-panel {
    min-width: calc(var(--cs-cell, 20px) * 4 + 10px);
    padding: var(--space-1-5, 0.375rem);
  }
  .cs-stat-value { font-size: 0.85rem; }
  .cs-stat-label { font-size: 0.55rem; }
  .cs-next-wrap, .cs-hold-wrap {
    min-width: calc(var(--cs-cell, 20px) * 4 + 10px);
    padding: var(--space-0-5);
  }
  .cs-next-board, .cs-hold-board {
    grid-template-columns: repeat(4, var(--cs-cell, 20px));
    grid-template-rows: repeat(4, var(--cs-cell, 20px));
  }
}

@media (max-width: 600px) {
  .cs-game-area .game-controls-title { font-size: var(--fs-sm); }
  .cs-game-area .game-controls .control-btn,
  .cs-game-area .game-controls .control-btn.control-btn--primary,
  .cs-game-area .game-controls button {
    height: 24px; min-height: 24px; max-height: 24px; min-width: 24px;
  }
  .cs-game-area .game-controls .control-btn svg { width: 10px; height: 10px; }
  .cs-game-area .game-controls .control-btn .btn-text { display: none !important; }
  .cs-stat-value { font-size: 0.9rem; }
  .cs-stat-label { font-size: 0.58rem; }
  .cs-next-wrap, .cs-hold-wrap {
    min-width: calc(var(--cs-cell, 20px) * 4 + 10px);
  }
  .cs-next-board, .cs-hold-board {
    grid-template-columns: repeat(4, var(--cs-cell, 20px));
    grid-template-rows: repeat(4, var(--cs-cell, 20px));
  }
  .game-status { font-size: var(--fs-xs); min-height: 1.2em; }
}

@media (max-width: 480px) {
  .cs-game-area { padding: var(--space-1); gap: var(--space-1); }
  .cs-game-area .game-controls-title { font-size: 0.85rem; }
  .cs-game-area .game-controls .control-btn,
  .cs-game-area .game-controls .control-btn.control-btn--primary,
  .cs-game-area .game-controls button {
    height: 20px; min-height: 20px; max-height: 20px; min-width: 20px;
    padding: 0 var(--space-1);
  }
  .cs-game-area .game-controls .control-btn svg { width: 8px; height: 8px; }
  .cs-stat-value { font-size: 0.8rem; }
  .cs-stat-label { font-size: 0.52rem; }
  .cs-next-wrap, .cs-hold-wrap {
    min-width: calc(var(--cs-cell, 16px) * 4 + 8px);
    padding: 2px;
  }
  .cs-next-board, .cs-hold-board {
    grid-template-columns: repeat(4, var(--cs-cell, 16px));
    grid-template-rows: repeat(4, var(--cs-cell, 16px));
  }
  .game-status { font-size: 0.6rem; min-height: 1em; }
  .cs-start-overlay .cs-start-icon, .cs-pause-overlay .cs-pause-icon { font-size: 2rem; }
  .cs-start-overlay h2, .cs-pause-overlay h2 { font-size: 1rem; }
  .cs-start-overlay p, .cs-pause-overlay p { font-size: 0.7rem; }
  .cs-start-overlay .control-btn, .cs-pause-overlay .control-btn { padding: 0.4rem 1.2rem; font-size: 0.75rem; }
}

/* ═══════════════════════════════════════════════════════════════════
   SEO CONTENT
   ═══════════════════════════════════════════════════════════════════ */

.seo-content {
  padding: 2.5rem 0 1rem;
  border-top: 1px solid var(--border-subtle);
}
.seo-content h2 { font-size: clamp(var(--fs-xl), 2.5vw, var(--fs-2xl)); margin-bottom: 1rem; }
.seo-content h3 { font-size: var(--fs-lg); font-weight: var(--fw-semibold); color: var(--text-primary); margin: 1.75rem 0 0.6rem; }
.seo-content p { font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.85; max-width: none; margin-bottom: 1rem; }
.seo-content ul { padding-left: 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; margin: 0.75rem 0 1rem; }
.seo-content ul li { list-style: disc; font-size: var(--fs-base); color: var(--text-secondary); line-height: 1.75; }

/* ═══════════════════════════════════════════════════════════════════
   POINTER EVENTS
   ═══════════════════════════════════════════════════════════════════ */

button, a, .control-btn, .nav-toggle, .theme-toggle, .play-btn,
.game-card-link, .game-card a, .cs-touch-btn, .cs-hold-btn,
.cs-cell, .cs-board, .cs-board-wrap, .cs-board-container,
.cs-game-area .control-btn, .cs-game-area .game-controls select,
.cs-game-area .game-controls button, .cs-start-overlay .control-btn,
.cs-pause-overlay .control-btn {
  pointer-events: auto !important;
  touch-action: manipulation !important;
  -webkit-tap-highlight-color: transparent !important;
  cursor: pointer !important;
}

.nav-overlay { pointer-events: none !important; }
.nav-overlay.is-visible { pointer-events: auto !important; }
.mobile-nav a { pointer-events: auto !important; touch-action: manipulation !important; }
.ad-container, .ad-placeholder, .adsbygoogle { pointer-events: none !important; }
.ad-container .adsbygoogle { pointer-events: auto !important; }