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

html,
body {
  height: 100%;
}

body {
  font-family: "Press Start 2P", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #243b6b 0, #050816 55%, #000 100%);
  color: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: soft-light;
  opacity: 0.6;
  z-index: 5;
}

#app {
  width: min(1100px, 100vw - 32px);
  height: min(700px, 100vh - 32px);
  background: radial-gradient(circle at top, #1d3557, #111827 55%, #020617);
  border-radius: 16px;
  border: 4px solid #22d3ee;
  box-shadow:
    0 0 0 4px rgba(34, 211, 238, 0.2),
    0 0 40px rgba(34, 211, 238, 0.5),
    0 0 120px rgba(59, 130, 246, 0.6);
  padding: 18px 22px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.frame {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.08),
    rgba(0, 0, 0, 0.1)
  );
  mix-blend-mode: soft-light;
  opacity: 0.35;
}

.frame-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  text-shadow:
    0 0 4px rgba(15, 23, 42, 0.8),
    0 0 8px rgba(56, 189, 248, 0.7);
}

.title {
  font-size: 20px;
  letter-spacing: 3px;
  color: #f97316;
  text-transform: uppercase;
}

.subtitle {
  font-size: 10px;
  color: #e5e7eb;
}

.chip-label {
  font-size: 9px;
  text-transform: uppercase;
  color: #a5b4fc;
}

.badge {
  border-radius: 999px;
  border: 2px solid rgba(34, 211, 238, 0.7);
  padding: 4px 10px;
  font-size: 9px;
  letter-spacing: 1px;
  color: #e0f2fe;
  background: radial-gradient(circle at top left, #0369a1, #020617);
}

.frame-main {
  flex: 1;
  display: grid;
  gap: 18px;
}

.frame-main.frame-main-menu {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
}

/* --- Arcade selection screen (LIVE ARCADE style) --- */
.frame-arcade-menu .frame-main {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 0;
}

.arcade-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #8b1a8b;
  border: 2px solid #c724c7;
  color: #fff;
  font-size: 9px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.arcade-header-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #fff;
  margin-right: 6px;
  vertical-align: middle;
}

.arcade-header-left,
.arcade-header-right {
  text-shadow: 0 0 4px rgba(0,0,0,0.6);
}

.arcade-display {
  flex: 1;
  min-height: 0;
  margin: 10px 0;
  padding: 14px;
  border: 2px solid #3d3d3d;
  background: linear-gradient(180deg, #2a1a4a 0%, #1a0a2a 50%, #0d0518 100%);
  background-image:
    linear-gradient(90deg, rgba(139,26,139,0.08) 1px, transparent 1px),
    linear-gradient(rgba(139,26,139,0.08) 1px, transparent 1px),
    linear-gradient(180deg, #2a1a4a 0%, #1a0a2a 50%, #0d0518 100%);
  background-size: 12px 12px, 12px 12px, 100% 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arcade-display-inner {
  text-align: center;
  max-width: 320px;
}

.arcade-icon-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.arcade-level-tag {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #8b1a8b;
  border: 2px solid #c724c7;
  color: #fff;
  font-size: 7px;
  padding: 2px 6px;
  letter-spacing: 0.5px;
  z-index: 1;
}

.arcade-icon {
  width: 80px;
  height: 80px;
  border: 3px solid #22d3ee;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: #22d3ee;
  box-shadow: 0 0 12px rgba(34,211,238,0.5);
}

.arcade-icon-svg {
  width: 48px;
  height: 48px;
}

.arcade-title {
  font-size: 16px;
  color: #facc15;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 6px 0;
  text-shadow: 0 0 10px rgba(250,204,21,0.6);
}

.arcade-title-line {
  width: 60px;
  height: 3px;
  background: #c724c7;
  margin: 0 auto 12px auto;
}

.arcade-desc {
  font-size: 8px;
  color: #e5e7eb;
  margin: 0 0 4px 0;
  letter-spacing: 0.5px;
}

.arcade-controls {
  flex-shrink: 0;
  padding: 10px 0 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.arcade-controls .arcade-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 3px solid #22d3ee;
  background: transparent;
  color: #22d3ee;
  font-size: 24px;
  cursor: pointer;
  transition: box-shadow 0.15s, background 0.15s;
  line-height: 1;
}

.arcade-controls .arcade-arrow:hover {
  background: rgba(34,211,238,0.15);
  box-shadow: 0 0 14px rgba(34,211,238,0.6);
}

.arcade-controls-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
}

.arcade-round {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid #333;
  background: #1a1a1a;
  box-shadow: inset 0 0 0 4px #222;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.arcade-round::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: #dc2626;
  box-shadow: 0 0 10px rgba(220,38,38,0.7);
}

.arcade-round:hover {
  border-color: #22d3ee;
}

.arcade-start {
  width: 100%;
  max-width: 280px;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 1px;
  color: #0f0f0f;
  background: #facc15;
  border: 2px solid #fde047;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(250,204,21,0.5);
  transition: background 0.15s, box-shadow 0.15s;
}

.arcade-start:hover {
  background: #fde047;
  box-shadow: 0 0 24px rgba(250,204,21,0.7);
}

.arcade-dots {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.arcade-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.arcade-dot:nth-child(1) { background: #dc2626; }
.arcade-dot:nth-child(2) { background: #2563eb; }
.arcade-dot:nth-child(3) { background: #16a34a; }

.arcade-dot.active {
  transform: scale(1.3);
  box-shadow: 0 0 10px currentColor;
}

.arcade-dot:not(.active) {
  opacity: 0.5;
}

.arcade-dot:hover {
  opacity: 1;
}

/* --- Selection screen (reference layout, no Tailwind) --- */
/* Game view: full viewport so Memory cabinet and all content are visible */
#app.math-arcade-game {
  width: 100%;
  max-width: 100%;
  height: 100vh;
  min-height: 100vh;
  max-height: 100vh;
  padding: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: #000;
  overflow: auto;
  position: relative;
}

#app.math-arcade-game .scanline-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#app.math-arcade-game .frame {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

#app.math-arcade-game .frame-main.frame-main-game {
  min-height: 0;
  flex: 1;
}

#app.math-arcade-game .panel-body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

#app.math-arcade-game .frame-main-game > .panel:first-child {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#app.math-arcade-game #game-main {
  flex: 1;
  min-height: 0;
  max-height: none;
}

#app.math-arcade-menu {
  width: 100%;
  max-width: 1200px;
  height: min(75vh, 700px);
  padding: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  overflow: visible;
  position: relative;
}

#app.math-arcade-menu .sel-frame {
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  border: 48px solid #2d2d3a;
  background-color: #1a0b2e;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
  overflow: auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sel-header {
  height: 96px;
  flex-shrink: 0;
  background: #1a0b2e;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 4rem;
  position: relative;
}

.sel-header-title {
  font-size: 2rem;
  color: #ff00ff;
  text-shadow: 0 0 15px #ff00ff, 0 0 30px #ff00ff;
  font-style: italic;
  letter-spacing: 0.2em;
}

.sel-header-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: #ff00ff;
}

.sel-main {
  flex: 1;
  min-height: 0;
  position: relative;
  background: radial-gradient(circle at center, #1a0b2e 0%, #05020a 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: visible;
  padding: 1rem 0;
}

.sel-starfield {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1px 1px at 20px 30px, #eee, transparent),
    radial-gradient(1px 1px at 150px 150px, #fff, transparent);
  background-size: 200px 200px;
  opacity: 0.6;
  pointer-events: none;
}

.sel-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.15) 50%),
    linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 255, 0, 0.02));
  background-size: 100% 4px, 4px 100%;
  pointer-events: none;
}

.sel-cards-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 0 2rem;
  margin-bottom: 2rem;
  flex-shrink: 0;
}

.sel-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 8px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
  background: rgba(26, 11, 46, 0.8);
  padding: 1rem;
}

.sel-card--side {
  width: 256px;
  height: 320px;
  cursor: pointer;
  transition: border-color 0.2s, filter 0.2s;
  overflow: hidden;
}

.sel-card--side:hover {
  border-color: rgba(255, 255, 255, 0.5);
}

.sel-card--inactive {
  filter: brightness(0.4) grayscale(0.7);
  transform: scale(0.9);
}

.sel-card--active {
  width: 320px;
  height: 320px;
  padding: 1.5rem;
  transform: scale(1.05);
  z-index: 10;
  border-color: #ff00ff;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 50px rgba(255, 0, 255, 0.4);
  background: #1a0b2e;
  position: relative;
}

.sel-featured-badge {
  position: absolute;
  top: -12px;
  right: -12px;
  background: #00ffff;
  color: #000;
  font-size: 0.6rem;
  padding: 4px 10px;
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000;
}

.sel-card-inner {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.sel-icon-box {
  width: 120px;
  height: 120px;
  min-width: 0;
  min-height: 0;
  background: rgba(0, 0, 0, 0.4);
  border: 6px solid #00ffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000;
  overflow: hidden;
  flex-shrink: 0;
}

.sel-icon-box .material-symbols-outlined {
  font-size: 64px;
  width: 1em;
  height: 1em;
  color: #00ffff;
  flex-shrink: 0;
  display: block;
  line-height: 1;
  text-align: center;
}

.sel-card--side .material-symbols-outlined {
  font-size: 48px;
  width: 1em;
  height: 1em;
  color: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
  display: block;
  line-height: 1;
}

.sel-card--active .sel-card-title {
  font-size: 1.25rem;
  color: #f9f906;
  text-align: center;
  margin: 0;
}

.sel-card-title {
  font-size: 2rem;
  color: #f9f906;
  text-align: center;
  margin: 0;
}

.sel-card--side .sel-card-title {
  font-size: 1.125rem;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.6);
}

.sel-btn-start {
  background: #f9f906;
  color: #000;
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  font-family: inherit;
  border: none;
  cursor: pointer;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 40px rgba(249, 249, 6, 0.6);
  transition: background 0.2s, transform 0.1s;
  flex-shrink: 0;
  margin-bottom: 0.5rem;
}

.sel-btn-start:hover {
  background: #fde047;
}

.sel-btn-start:active {
  transform: translateY(2px);
}

.sel-btn-start .material-symbols-outlined {
  font-size: 3rem;
  vertical-align: middle;
  margin-right: 0.5rem;
}

.sel-arrows-wrap {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 4rem;
  pointer-events: none;
  z-index: 20;
}

.sel-btn-arrow {
  pointer-events: auto;
  width: 96px;
  height: 96px;
  background: rgba(26, 11, 46, 0.5);
  border: 8px solid #00ffff;
  color: #00ffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
  transition: background 0.2s, color 0.2s;
}

.sel-btn-arrow:hover {
  background: #00ffff;
  color: #000;
}

.sel-btn-arrow .material-symbols-outlined {
  font-size: 3rem;
}

.sel-footer {
  height: 56px;
  background: #2d2d3a;
  border-top: 8px solid #000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 0 2rem;
  flex-shrink: 0;
}

.sel-footer-dots {
  display: flex;
  gap: 1.5rem;
  opacity: 0.3;
}

.sel-footer-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.sel-footer-dot:nth-child(1) { background: #ef4444; }
.sel-footer-dot:nth-child(2) { background: #22c55e; }
.sel-footer-dot:nth-child(3) { background: #3b82f6; }

.sel-footer-status {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.8em;
}

.frame-main.frame-main-game {
  grid-template-columns: minmax(0, 6fr) minmax(0, 1fr);
}

@media (max-width: 900px) {
  #app {
    height: auto;
    min-height: 640px;
  }
  #app.math-arcade-game {
    height: 100vh;
    min-height: 100vh;
  }

  .frame-main.frame-main-menu,
  .frame-main.frame-main-game {
    grid-template-columns: minmax(0, 1fr);
  }
}

.panel {
  border-radius: 12px;
  border: 2px solid rgba(15, 23, 42, 0.9);
  background: radial-gradient(circle at top left, #0f172a, #020617);
  box-shadow:
    0 0 0 1px rgba(30, 64, 175, 0.7),
    inset 0 0 0 1px rgba(15, 23, 42, 0.9);
  padding: 14px 14px 12px;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.3), transparent 55%);
  opacity: 0.7;
  pointer-events: none;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.panel-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #e5e7eb;
}

.panel-body {
  position: relative;
  z-index: 1;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}

.menu-card {
  border-radius: 10px;
  border: 2px solid rgba(148, 163, 184, 0.8);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 64, 175, 0.7));
  padding: 10px;
  cursor: pointer;
  transition:
    transform 120ms ease-out,
    box-shadow 120ms ease-out,
    border-color 120ms ease-out,
    background 120ms ease-out;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-card:hover {
  transform: translateY(-2px);
  border-color: #22d3ee;
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.8),
    0 14px 28px rgba(8, 47, 73, 0.9);
  background: linear-gradient(135deg, rgba(15, 23, 42, 1), rgba(56, 189, 248, 0.8));
}

.menu-title {
  font-size: 11px;
  color: #f97316;
}

.menu-tagline {
  font-size: 9px;
  color: #e5e7eb;
  min-height: 24px;
}

.menu-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 8px;
  color: #a5b4fc;
  margin-top: 4px;
}

.pixels {
  display: flex;
  gap: 3px;
}

.pixel-dot {
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: #22d3ee;
  box-shadow:
    0 0 6px rgba(34, 211, 238, 0.9),
    0 0 12px rgba(59, 130, 246, 0.9);
}

.pixel-dot.orange {
  background: #fb923c;
  box-shadow:
    0 0 6px rgba(251, 146, 60, 0.9),
    0 0 12px rgba(234, 179, 8, 0.9);
}

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

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.pill {
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #e5e7eb;
}

.pill.glow {
  border-color: rgba(34, 211, 238, 0.8);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.7),
    0 0 14px rgba(34, 211, 238, 0.7);
  color: #e0f2fe;
}

.controls-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.select,
.button {
  font-family: inherit;
  font-size: 9px;
  border-radius: 999px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  padding: 6px 12px;
  background: radial-gradient(circle at top, #020617, #0f172a);
  color: #f9fafb;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  cursor: pointer;
  outline: none;
  transition:
    transform 110ms ease-out,
    box-shadow 110ms ease-out,
    border-color 110ms ease-out,
    background 110ms ease-out;
}

.select {
  padding-right: 28px;
}

.select:hover,
.button:hover {
  transform: translateY(-1px);
  border-color: #22d3ee;
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.9),
    0 10px 20px rgba(8, 47, 73, 0.9);
}

.button.primary {
  background: linear-gradient(135deg, #22d3ee, #0ea5e9);
  color: #020617;
  border-color: rgba(248, 250, 252, 0.95);
  box-shadow:
    0 0 0 1px rgba(248, 250, 252, 0.85),
    0 10px 24px rgba(8, 47, 73, 0.95);
}

.button.primary:hover {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
}

.button.secondary {
  background: linear-gradient(135deg, #0f172a, #1f2937);
}

.button.small {
  padding: 4px 8px;
  font-size: 8px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.stat-card {
  border-radius: 9px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4));
  padding: 6px 7px;
  font-size: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  color: #9ca3af;
  text-transform: uppercase;
}

.stat-value {
  color: #e4e4e7;
}

.stat-value.positive {
  color: #4ade80;
}

.stat-value.warning {
  color: #facc15;
}

.ticker {
  margin-top: 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 5px 8px;
  font-size: 8px;
  color: #d4d4d8;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}

.ticker-label {
  text-transform: uppercase;
  color: #a5b4fc;
}

.ticker-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.9);
}

.ticker-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-screen {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px dashed rgba(148, 163, 184, 0.7);
  max-height: 430px;
  overflow: auto;
}

.game-main {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  overflow: auto;
}

.game-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
}

.game-title {
  font-size: 11px;
  color: #fbbf24;
}

.game-meta {
  font-size: 8px;
  color: #a5b4fc;
}

.badge-small {
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.85);
  padding: 2px 8px;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #0f172a;
  background: linear-gradient(135deg, #22c55e, #a3e635);
}

.game-body {
  font-size: 10px;
  color: #e5e7eb;
}

.pill-row.game {
  margin-bottom: 10px;
}

.pill.toggle {
  cursor: pointer;
  border-radius: 999px;
  border-width: 2px;
}

.pill.toggle.active {
  border-color: #22c55e;
  background: radial-gradient(circle at top, rgba(34, 197, 94, 0.2), transparent 55%);
  color: #bbf7d0;
}

.grid {
  display: grid;
  gap: 6px;
}

.grid.memory {
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
}

.memory-card {
  position: relative;
  border-radius: 6px;
  padding: 8px 4px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  background: linear-gradient(135deg, #0f172a, #020617);
  text-align: center;
  font-size: 10px;
  cursor: pointer;
  transition:
    transform 120ms ease-out,
    background 120ms ease-out,
    border-color 120ms ease-out,
    box-shadow 120ms ease-out;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.memory-card.hidden {
  background: linear-gradient(135deg, #111827, #1f2937);
  color: transparent;
}

.memory-card.revealed,
.memory-card.matched {
  background: linear-gradient(135deg, #22d3ee, #0ea5e9);
  color: #020617;
  border-color: rgba(248, 250, 252, 0.95);
  box-shadow:
    0 0 0 1px rgba(248, 250, 252, 0.9),
    0 10px 20px rgba(8, 47, 73, 0.9);
}

.memory-card.matched {
  opacity: 0.85;
}

.memory-card.disabled {
  cursor: default;
  opacity: 0.4;
}

/* --- Memory game: cabinet / screenshot UI --- */
.panel:has(#game-main .mem-root) .panel-header {
  display: none;
}

#game-main .mem-root {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: radial-gradient(circle at center, #0a0515 0%, #000 100%);
  position: relative;
}

.mem-header {
  flex-shrink: 0;
  background: #1a0b2e;
  border-bottom: 8px solid #ff00ff;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
}

.mem-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border: 2px solid #00ffff;
  color: #00ffff;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.mem-home-btn:hover {
  background: rgba(0, 255, 255, 0.15);
}

.mem-home-btn:active {
  transform: scale(0.95);
}

.mem-home-btn .material-symbols-outlined {
  font-size: 1.75rem;
}

.mem-title-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mem-title-dot {
  width: 1rem;
  height: 1rem;
  background: #ef4444;
  animation: mem-pulse 1.5s ease-in-out infinite;
}

@keyframes mem-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.mem-title {
  font-size: 1.25rem;
  color: #ff00ff;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: bold;
}

.mem-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem 2rem;
  position: relative;
  min-height: 0;
}

.mem-bezel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  max-height: none;
  flex: 1;
  background: #000;
  border: 20px solid #222;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.9), 0 0 60px rgba(0, 255, 255, 0.2);
}

.mem-bezel-inner {
  position: absolute;
  inset: 0;
  background: #0a0515;
}

.mem-digital-grid {
  position: absolute;
  inset: -100% 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  transform: perspective(500px) rotateX(45deg);
}

.mem-lightning {
  position: absolute;
  width: 4px;
  background: #fff;
  box-shadow: 0 0 15px #fff, 0 0 30px #00ffff;
  opacity: 0.2;
  pointer-events: none;
}

.mem-lightning--left {
  left: 25%;
  top: 0;
  height: 16rem;
  transform: rotate(-12deg);
}

.mem-lightning--right {
  right: 25%;
  top: 5rem;
  height: 20rem;
  transform: rotate(12deg);
}

.mem-game-area {
  position: relative;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
  padding: 2rem 3rem;
}

.mem-time-box {
  align-self: flex-end;
  margin-bottom: 1rem;
  background: rgba(0, 0, 0, 0.8);
  border: 4px solid #00ffff;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 180px;
}

.mem-time-label {
  font-size: 0.65rem;
  color: #00ffff;
}

.mem-time-value {
  font-size: 1.75rem;
  color: #fff;
}

.mem-grid-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  position: relative;
}

.mem-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 1000px;
}

.mem-card {
  aspect-ratio: 3 / 4;
  border: 4px solid;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  transition: transform 0.15s ease;
  filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.3));
}

.mem-card:hover {
  transform: scale(1.05);
}

.mem-card--back {
  background: #1a0b2e;
  border-color: #00ffff;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
}

.mem-card--back .material-symbols-outlined {
  font-size: 3rem;
  color: #00ffff;
}

.mem-card--front {
  background: #fff;
  border-color: #000;
  color: #000;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
}

.mem-card--front .mem-card-fact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 1rem;
  font-weight: bold;
  gap: 0.25rem;
}

.mem-card--front .mem-card-fact .mem-card-op {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mem-card--front .mem-card-fact .mem-card-line {
  width: 100%;
  height: 6px;
  background: #000;
}

.mem-card--front .mem-card-answer {
  font-size: 2.5rem;
  font-weight: bold;
}

.mem-card.disabled {
  cursor: default;
  pointer-events: none;
  opacity: 0.6;
}

.mem-match-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 15;
}

.mem-match-box {
  background: #000;
  border: 4px solid #f9f906;
  padding: 3rem;
  transform: rotate(-1deg);
  box-shadow:
    -4px 0 0 0 #f9f906,
    4px 0 0 0 #f9f906,
    0 -4px 0 0 #f9f906,
    0 4px 0 0 #f9f906,
    0 0 30px rgba(249, 249, 6, 0.8),
    inset 0 0 15px rgba(249, 249, 6, 0.6);
}

.mem-match-text {
  font-size: 2.5rem;
  font-weight: bold;
  color: #00ffff;
  letter-spacing: 0.15em;
  text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff;
}

.mem-footer {
  flex-shrink: 0;
  width: 100%;
  margin-top: 1rem;
}

.mem-footer-inner {
  background: rgba(0, 0, 0, 0.9);
  border: 4px solid #f9f906;
  padding: 1.5rem;
  text-align: center;
  box-shadow:
    -6px 0 0 0 #000,
    6px 0 0 0 #000,
    0 -6px 0 0 #000,
    0 6px 0 0 #000,
    0 0 30px rgba(249, 249, 6, 0.8);
}

.mem-footer-text {
  font-size: 0.875rem;
  color: #f9f906;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: bold;
}

/* FINISHED! popup */
.mem-finished-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.mem-finished-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.mem-finished-box {
  position: relative;
  background: #1a0b2e;
  border: 4px solid #f9f906;
  padding: 2.5rem;
  text-align: center;
  max-width: 420px;
  box-shadow:
    -6px 0 0 0 #000,
    6px 0 0 0 #000,
    0 -6px 0 0 #000,
    0 6px 0 0 #000,
    0 0 40px rgba(249, 249, 6, 0.6);
}

.mem-finished-title {
  font-size: 1.75rem;
  color: #f9f906;
  margin: 0 0 1.25rem;
  letter-spacing: 0.15em;
}

.mem-finished-time,
.mem-finished-best {
  font-size: 0.9rem;
  color: #e5e7eb;
  margin: 0.5rem 0;
}

.mem-finished-time strong,
.mem-finished-best strong {
  color: #00ffff;
}

.mem-finished-newbest {
  font-size: 0.75rem;
  color: #22c55e;
  margin: 1rem 0 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: bold;
}

.mem-finished-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.mem-finished-btn {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  border: 3px solid;
  transition: background 0.2s, color 0.2s;
}

.mem-finished-btn--primary {
  background: #f9f906;
  color: #000;
  border-color: #000;
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000;
}

.mem-finished-btn--primary:hover {
  background: #fde047;
}

.mem-finished-btn--secondary {
  background: transparent;
  color: #00ffff;
  border-color: #00ffff;
}

.mem-finished-btn--secondary:hover {
  background: rgba(0, 255, 255, 0.15);
}

/* --- Math War: cabinet UI --- */
.panel:has(#game-main .war-root) .panel-header {
  display: none;
}

#game-main .war-root {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: radial-gradient(circle at center, #0a0515 0%, #000 100%);
  position: relative;
}

.war-header {
  flex-shrink: 0;
  background: #1a0b2e;
  border-bottom: 8px solid #ff00ff;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
}

.war-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border: 2px solid #00ffff;
  color: #00ffff;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.war-home-btn:hover {
  background: rgba(0, 255, 255, 0.15);
}

.war-home-btn .material-symbols-outlined {
  font-size: 1.75rem;
}

.war-title-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.war-title-dot {
  width: 1rem;
  height: 1rem;
  background: #ef4444;
  animation: war-pulse 1.5s ease-in-out infinite;
}

@keyframes war-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.war-title {
  font-size: 1.25rem;
  color: #ff00ff;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: bold;
}

.war-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem 2rem;
  position: relative;
  min-height: 0;
}

.war-bezel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  max-height: none;
  flex: 1;
  background: #000;
  border: 20px solid #222;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.9), 0 0 60px rgba(0, 255, 255, 0.2);
}

.war-bezel-inner {
  position: absolute;
  inset: 0;
  background: #0a0515;
}

.war-digital-grid {
  position: absolute;
  inset: -100% 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  transform: perspective(500px) rotateX(45deg);
}

.war-lightning {
  position: absolute;
  width: 4px;
  background: #fff;
  box-shadow: 0 0 15px #fff, 0 0 30px #00ffff;
  opacity: 0.2;
  pointer-events: none;
}

.war-lightning--left {
  left: 25%;
  top: 0;
  height: 16rem;
  transform: rotate(-12deg);
}

.war-lightning--right {
  right: 25%;
  top: 5rem;
  height: 20rem;
  transform: rotate(12deg);
}

.war-game-area {
  position: relative;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
  padding: 2rem 3rem;
}

.war-cards-row {
  display: flex;
  width: 100%;
  justify-content: space-around;
  align-items: center;
  flex: 1;
  gap: 2rem;
}

.war-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.war-side-label {
  font-size: 1.25rem;
  font-weight: bold;
  letter-spacing: 0.15em;
}

.war-side-label--you {
  color: #00ffff;
  text-shadow: 0 0 15px #00ffff, 0 0 30px #00ffff;
}

.war-side-label--cpu {
  color: #ff00ff;
}

/* Cabinet Math War: portrait, large, white cards (override later .war-card) */
#game-main .war-root .war-card {
  width: 15rem;
  height: 24rem;
  background: #fff;
  border: 8px solid #000;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 20px rgba(255, 0, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  flex: none;
  border-radius: 0;
}

#game-main .war-root .war-card:hover {
  transform: scale(1.02);
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 30px rgba(255, 0, 255, 0.8);
}

.war-card-vertical-math {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  color: #000;
  font-weight: bold;
  font-size: 3.25rem;
  gap: 0.25rem;
}

.war-card-vertical-math .war-card-op-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 3.25rem;
}

.war-card-vertical-math .war-card-op-row span {
  font-size: inherit;
}

.war-card-vertical-math .war-card-line {
  width: 120%;
  height: 4px;
  background: #000;
  margin-top: 0.25rem;
}

.war-card-answer {
  color: #000;
  font-size: 3.25rem;
  font-weight: bold;
}

.war-card-count-wrap {
  text-align: center;
  margin-top: 1.5rem;
}

.war-card-count-label {
  font-size: 0.7rem;
  text-decoration: underline;
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.war-card-count-value {
  font-size: 2rem;
  font-weight: bold;
}

.war-card-count-value--you {
  color: #00ffff;
}

.war-card-count-value--cpu {
  color: #ff00ff;
}

.war-vs {
  font-size: 4rem;
  font-weight: 900;
  font-style: italic;
  color: #ff00ff;
  text-shadow: 0 0 15px #00ffff, 0 0 30px #00ffff;
}

.war-bottom {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-top: 1rem;
}

.war-equals-btn {
  width: auto;
  min-width: 12rem;
  padding: 0 3rem;
  height: 6rem;
  background: #1a0b2e;
  border: 8px solid #ff00ff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 8px 0 0 #990099;
  transition: background 0.2s, transform 0.1s;
  font-size: 3rem;
  color: #fff;
}

.war-equals-btn:hover {
  background: rgba(255, 0, 255, 0.15);
}

.war-equals-btn:active {
  transform: translateY(4px);
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 4px 0 0 #000;
}

.war-instruction {
  background: rgba(0, 0, 0, 0.9);
  border: 4px solid #f9f906;
  padding: 1.5rem;
  text-align: center;
  width: 100%;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 30px rgba(249, 249, 6, 0.6);
}

.war-instruction-text {
  font-size: 0.875rem;
  color: #f9f906;
  letter-spacing: 0.2em;
  font-weight: bold;
}

.war-finished-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.war-finished-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.war-finished-box {
  position: relative;
  background: #1a0b2e;
  border: 4px solid #f9f906;
  padding: 2.5rem;
  text-align: center;
  max-width: 420px;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 40px rgba(249, 249, 6, 0.6);
}

.war-finished-title {
  font-size: 1.75rem;
  color: #f9f906;
  margin: 0 0 1rem;
  letter-spacing: 0.15em;
}

.war-finished-message {
  font-size: 0.9rem;
  color: #e5e7eb;
  margin: 0.5rem 0 1rem;
}

.war-finished-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.war-finished-btn {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  border: 3px solid;
  transition: background 0.2s, color 0.2s;
}

.war-finished-btn--primary {
  background: #f9f906;
  color: #000;
  border-color: #000;
}

.war-finished-btn--primary:hover {
  background: #fde047;
}

.war-finished-btn--secondary {
  background: transparent;
  color: #00ffff;
  border-color: #00ffff;
}

.war-finished-btn--secondary:hover {
  background: rgba(0, 255, 255, 0.15);
}

/* Math War: wrong-answer popup – solved problems + WHOOPS! banner, close X */
.war-wrong-overlay {
  position: absolute;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.war-wrong-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.war-wrong-box {
  position: relative;
  background: #1a0b2e;
  border: 4px solid #00ffff;
  padding: 2.5rem 2.5rem 3.5rem;
  text-align: center;
  max-width: 520px;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 40px rgba(0, 255, 255, 0.3);
}

.war-wrong-close {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 3rem;
  height: 3rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 3px solid #00ffff;
  color: #00ffff;
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, color 0.2s;
}

.war-wrong-close:hover {
  background: rgba(0, 255, 255, 0.2);
  color: #fff;
}

.war-wrong-cards {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.war-wrong-symbol {
  font-size: 4rem;
  font-weight: 900;
  font-style: italic;
  color: #ff00ff;
  text-shadow: 0 0 15px #00ffff, 0 0 30px #00ffff;
  line-height: 1;
  transform: rotate(-8deg);
  flex-shrink: 0;
}

.war-wrong-card {
  width: 10rem;
  height: 14rem;
  background: #fff;
  border: 6px solid #000;
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.war-wrong-card .war-card-vertical-math {
  font-size: 2rem;
}

.war-wrong-card .war-card-op-row {
  font-size: 2rem;
}

.war-wrong-answer {
  display: block;
  margin-top: 0.35rem;
  font-size: 2rem;
  font-weight: bold;
  color: #000;
}

.war-wrong-answer--only {
  margin-top: 0;
  font-size: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.war-wrong-banner {
  display: inline-block;
  background: #1a0b2e;
  border: 4px solid #00ffff;
  padding: 0.75rem 2rem;
  font-size: 1.25rem;
  font-weight: bold;
  color: #00ffff;
  letter-spacing: 0.15em;
  transform: rotate(-4deg);
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000,
    0 0 20px rgba(0, 255, 255, 0.4);
}

/* --- Bingo: cabinet UI (match War / Memory) --- */
.panel:has(#game-main .bingo-root) .panel-header {
  display: none;
}

#game-main .bingo-root {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: radial-gradient(circle at center, #0a0515 0%, #000 100%);
  position: relative;
}

.bingo-header {
  flex-shrink: 0;
  background: #1a0b2e;
  border-bottom: 8px solid #ff00ff;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000;
}

.bingo-home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border: 2px solid #00ffff;
  color: #00ffff;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.bingo-home-btn:hover {
  background: rgba(0, 255, 255, 0.15);
}

.bingo-home-btn .material-symbols-outlined {
  font-size: 1.75rem;
}

.bingo-title-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bingo-title-dot {
  width: 1rem;
  height: 1rem;
  background: #ef4444;
  animation: bingo-pulse 1.5s ease-in-out infinite;
}

@keyframes bingo-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.bingo-title {
  font-size: 1.25rem;
  color: #ff00ff;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: bold;
}

.bingo-new-card-btn {
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid #00ffff;
  color: #00ffff;
  transition: background 0.2s, color 0.2s;
}

.bingo-new-card-btn:hover {
  background: rgba(0, 255, 255, 0.15);
}

.bingo-time-box {
  background: rgba(0, 0, 0, 0.8);
  border: 4px solid #00ffff;
  padding: 0.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 80px;
}

.bingo-time-label {
  font-size: 0.65rem;
  color: #00ffff;
}

.bingo-time-value {
  font-size: 1.25rem;
  color: #fff;
}

.bingo-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem 2rem;
  position: relative;
  min-height: 0;
}

.bingo-bezel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  max-height: none;
  flex: 1;
  background: #000;
  border: 20px solid #222;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.9), 0 0 60px rgba(0, 255, 255, 0.2);
}

.bingo-bezel-inner {
  position: absolute;
  inset: 0;
  background: #0a0515;
}

.bingo-digital-grid {
  position: absolute;
  inset: -100% 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center center;
  transform: perspective(500px) rotateX(45deg);
}

.bingo-lightning {
  position: absolute;
  width: 4px;
  background: #fff;
  box-shadow: 0 0 15px #fff, 0 0 30px #00ffff;
  opacity: 0.2;
  pointer-events: none;
}

.bingo-lightning--left {
  left: 25%;
  top: 0;
  height: 16rem;
  transform: rotate(-12deg);
}

.bingo-lightning--right {
  right: 25%;
  top: 5rem;
  height: 20rem;
  transform: rotate(12deg);
}

.bingo-game-area {
  position: relative;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
  padding: 2rem 3rem;
}

.bingo-main-row {
  display: flex;
  width: 100%;
  flex: 1;
  gap: 3rem;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.bingo-problem-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

.bingo-problem-box {
  width: 14rem;
  min-height: 18rem;
  background: #fff;
  border: 8px solid #000;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 20px rgba(255, 0, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.bingo-problem-vertical {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  color: #000;
  font-weight: bold;
  font-size: 3rem;
  gap: 0.25rem;
}

.bingo-problem-vertical .bingo-problem-op-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 3rem;
}

.bingo-problem-vertical .bingo-problem-line {
  width: 120%;
  height: 4px;
  background: #000;
  margin-top: 0.25rem;
}

.bingo-call-next-btn {
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: bold;
  cursor: pointer;
  background: #1a0b2e;
  border: 4px solid #00ffff;
  color: #00ffff;
  transition: background 0.2s, color 0.2s;
}

.bingo-call-next-btn:hover {
  background: rgba(0, 255, 255, 0.15);
}

.bingo-status-chip--won {
  padding: 0.5rem 1rem;
  border: 2px solid #f9f906;
  color: #f9f906;
  font-size: 0.875rem;
  font-weight: bold;
  letter-spacing: 0.1em;
}

.bingo-grid-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

#game-main .bingo-root .bingo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  max-width: 420px;
  max-height: 420px;
  aspect-ratio: 1;
}

#game-main .bingo-root .bingo-cell {
  border: 2px solid #00ffff;
  background: #000;
  color: #00ffff;
  padding: 0.5rem;
  text-align: center;
  font-size: clamp(0.75rem, 2.5vw, 1.25rem);
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  border-radius: 0;
  box-shadow: 0 0 0 1px rgba(0, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

#game-main .bingo-root .bingo-cell:hover:not(.bingo-cell--free):not(.bingo-cell--marked) {
  background: rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

#game-main .bingo-root .bingo-cell--marked {
  background: rgba(34, 197, 94, 0.35);
  color: #fff;
  border-color: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.6);
  cursor: default;
}

#game-main .bingo-root .bingo-cell--correct .bingo-cell-check {
  color: #22c55e;
  font-size: 1.5em;
  font-weight: bold;
  text-shadow: 0 0 10px #22c55e;
}

#game-main .bingo-root .bingo-cell--free {
  background: #ff00ff;
  border: 4px solid #ff00ff;
  color: #fff;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
  cursor: default;
}

.bingo-no-match-btn {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  background: #1a0b2e;
  border: 4px solid #f9f906;
  color: #f9f906;
  transition: background 0.2s, color 0.2s;
  letter-spacing: 0.05em;
}

.bingo-no-match-btn:hover {
  background: rgba(249, 249, 6, 0.15);
}

.bingo-bottom {
  width: 100%;
  margin-top: 1rem;
  flex-shrink: 0;
}

.bingo-instruction {
  background: rgba(0, 0, 0, 0.9);
  border: 4px solid #f9f906;
  padding: 1rem 1.5rem;
  text-align: center;
  width: 100%;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 30px rgba(249, 249, 6, 0.6);
}

.bingo-instruction-text {
  font-size: 0.875rem;
  color: #f9f906;
  letter-spacing: 0.2em;
  font-weight: bold;
  margin: 0;
}

/* Bingo WHOOPS popup */
.bingo-wrong-overlay {
  position: absolute;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.bingo-wrong-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.bingo-wrong-box {
  position: relative;
  background: #1a0b2e;
  border: 4px solid #00ffff;
  padding: 2.5rem 2.5rem 3.5rem;
  text-align: center;
  max-width: 360px;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 40px rgba(0, 255, 255, 0.3);
}

.bingo-wrong-close {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 3rem;
  height: 3rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 3px solid #00ffff;
  color: #00ffff;
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, color 0.2s;
}

.bingo-wrong-close:hover {
  background: rgba(0, 255, 255, 0.2);
  color: #fff;
}

.bingo-wrong-content {
  margin-bottom: 1rem;
}

.bingo-wrong-problem {
  background: #fff;
  border: 6px solid #000;
  padding: 1rem 1.5rem;
  display: inline-block;
  margin-bottom: 1rem;
}

.bingo-wrong-vertical {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  color: #000;
  font-weight: bold;
  font-size: 2rem;
  gap: 0.25rem;
}

.bingo-wrong-op-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 2rem;
}

.bingo-wrong-line {
  width: 120%;
  height: 3px;
  background: #000;
  margin-top: 0.25rem;
}

.bingo-wrong-answer-label {
  font-size: 1rem;
  color: #e5e7eb;
  margin: 0;
}

.bingo-wrong-answer-label strong {
  color: #00ffff;
}

.bingo-wrong-banner {
  display: inline-block;
  background: #1a0b2e;
  border: 4px solid #00ffff;
  padding: 0.75rem 2rem;
  font-size: 1.25rem;
  font-weight: bold;
  color: #00ffff;
  letter-spacing: 0.15em;
  transform: rotate(-4deg);
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000,
    0 0 20px rgba(0, 255, 255, 0.4);
}

/* Bingo finish overlay (BINGO! like Memory FINISHED!) */
.bingo-finished-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.bingo-finished-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.bingo-finished-box {
  position: relative;
  background: #1a0b2e;
  border: 4px solid #f9f906;
  padding: 2.5rem;
  text-align: center;
  max-width: 420px;
  box-shadow: -6px 0 0 0 #000, 6px 0 0 0 #000, 0 -6px 0 0 #000, 0 6px 0 0 #000,
    0 0 40px rgba(249, 249, 6, 0.6);
}

.bingo-finished-title {
  font-size: 1.75rem;
  color: #f9f906;
  margin: 0 0 1.25rem;
  letter-spacing: 0.15em;
}

.bingo-finished-time,
.bingo-finished-best {
  font-size: 0.9rem;
  color: #e5e7eb;
  margin: 0.5rem 0;
}

.bingo-finished-time strong,
.bingo-finished-best strong {
  color: #00ffff;
}

.bingo-finished-newbest {
  font-size: 0.75rem;
  color: #22c55e;
  margin: 1rem 0 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: bold;
}

.bingo-finished-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.bingo-finished-btn {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  border: 3px solid;
  transition: background 0.2s, color 0.2s;
}

.bingo-finished-btn--primary {
  background: #f9f906;
  color: #000;
  border-color: #000;
  box-shadow: -4px 0 0 0 #000, 4px 0 0 0 #000, 0 -4px 0 0 #000, 0 4px 0 0 #000;
}

.bingo-finished-btn--primary:hover {
  background: #fde047;
}

.bingo-finished-btn--secondary {
  background: transparent;
  color: #00ffff;
  border-color: #00ffff;
}

.bingo-finished-btn--secondary:hover {
  background: rgba(0, 255, 255, 0.15);
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 9px;
  color: #e5e7eb;
}

.status-chip {
  padding: 3px 7px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  background: rgba(15, 23, 42, 0.9);
}

.status-chip.highlight {
  border-color: rgba(34, 197, 94, 0.9);
  color: #bbf7d0;
}

.status-chip.warning {
  border-color: rgba(250, 204, 21, 0.9);
  color: #fef3c7;
}

.message {
  margin-top: 8px;
  font-size: 9px;
  color: #d1fae5;
}

.message.error {
  color: #fecaca;
}

.game-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
  gap: 10px;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .game-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card-stack {
  border-radius: 10px;
  border: 2px dashed rgba(148, 163, 184, 0.8);
  padding: 10px;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.card-label {
  font-size: 8px;
  color: #9ca3af;
  text-transform: uppercase;
}

.card-value {
  font-size: 16px;
  color: #e5e7eb;
}

.input-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  align-items: center;
}

.input {
  font-family: inherit;
  font-size: 10px;
  padding: 5px 7px;
  border-radius: 7px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: #f9fafb;
  width: 80px;
}

.input:focus {
  outline: none;
  border-color: #22d3ee;
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.9),
    0 0 10px rgba(8, 47, 73, 0.9);
}

.bingo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
  margin-top: 8px;
}

.bingo-cell {
  border-radius: 6px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  padding: 8px 4px;
  text-align: center;
  font-size: 10px;
  cursor: pointer;
  background: linear-gradient(135deg, #020617, #0f172a);
  color: #e5e7eb;
  transition:
    background 110ms ease-out,
    border-color 110ms ease-out,
    transform 110ms ease-out,
    box-shadow 110ms ease-out;
}

.bingo-cell.marked {
  background: linear-gradient(135deg, #22d3ee, #0ea5e9);
  color: #020617;
  border-color: rgba(248, 250, 252, 0.95);
  box-shadow:
    0 0 0 1px rgba(248, 250, 252, 0.9),
    0 10px 20px rgba(8, 47, 73, 0.9);
}

.bingo-cell.free {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stack-jenga {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  margin-top: 8px;
  max-height: 220px;
  overflow-y: auto;
}

.jenga-block {
  height: 18px;
  border-radius: 3px;
  background: repeating-linear-gradient(
    90deg,
    #f97316 0,
    #f97316 22%,
    #fbbf24 22%,
    #fbbf24 44%
  );
  border: 1px solid rgba(120, 53, 15, 0.9);
  box-shadow:
    0 2px 0 rgba(0, 0, 0, 0.6),
    inset 0 0 0 1px rgba(254, 243, 199, 0.4);
  cursor: pointer;
  position: relative;
}

.jenga-block:hover {
  transform: translateY(-1px);
}

.jenga-block-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: #1f2933;
  text-shadow:
    0 1px 0 rgba(254, 243, 199, 0.9),
    0 0 6px rgba(248, 250, 252, 0.8);
}

.jenga-block.used {
  opacity: 0.5;
}

.hint-text {
  font-size: 8px;
  color: #9ca3af;
  margin-top: 4px;
}

.war-cards {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.war-card {
  flex: 1;
  border-radius: 8px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  padding: 8px 6px;
  background: linear-gradient(145deg, #020617, #111827);
}

.war-label {
  font-size: 8px;
  color: #9ca3af;
  text-transform: uppercase;
}

.war-problem {
  margin-top: 4px;
  font-size: 13px;
  color: #e5e7eb;
}

.war-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.pill.answer {
  cursor: pointer;
}

.pill.answer.correct {
  border-color: #22c55e;
  background: radial-gradient(circle at top, rgba(34, 197, 94, 0.2), transparent 55%);
  color: #bbf7d0;
}

.pill.answer.wrong {
  border-color: #f97316;
  background: radial-gradient(circle at top, rgba(248, 113, 113, 0.2), transparent 55%);
  color: #fee2e2;
}

.go-fish-hand {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.fish-card {
  border-radius: 6px;
  border: 2px solid rgba(148, 163, 184, 0.9);
  padding: 6px 6px 5px;
  font-size: 9px;
  background: linear-gradient(135deg, #0369a1, #0f172a);
  color: #e0f2fe;
  cursor: pointer;
  transition:
    transform 110ms ease-out,
    box-shadow 110ms ease-out,
    border-color 110ms ease-out;
}

.fish-card:hover {
  transform: translateY(-2px);
  border-color: #22d3ee;
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.8),
    0 10px 18px rgba(8, 47, 73, 0.9);
}

.fish-card.match {
  background: linear-gradient(135deg, #22c55e, #4ade80);
  color: #022c22;
  border-color: rgba(248, 250, 252, 0.95);
}

.hide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(46px, 1fr));
  gap: 4px;
  margin-top: 8px;
}

.hide-tile {
  border-radius: 5px;
  background: radial-gradient(circle at top left, #0f172a, #020617);
  border: 2px solid rgba(15, 23, 42, 0.95);
  height: 40px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    transform 110ms ease-out,
    border-color 110ms ease-out,
    box-shadow 110ms ease-out,
    background 110ms ease-out;
}

.hide-tile:hover {
  transform: translateY(-1px);
  border-color: rgba(34, 211, 238, 0.8);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.8),
    0 8px 14px rgba(15, 23, 42, 0.9);
}

.hide-tile-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: #e5e7eb;
}

.hide-tile.empty::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
    45deg,
    rgba(34, 211, 238, 0.3) 25%,
    transparent 25%,
    transparent 50%,
    rgba(34, 211, 238, 0.3) 50%,
    rgba(34, 211, 238, 0.3) 75%,
    transparent 75%,
    transparent
  );
  background-size: 6px 6px;
  opacity: 0.6;
}

.hide-tile.found {
  background: linear-gradient(135deg, #22c55e, #4ade80);
  border-color: rgba(248, 250, 252, 0.95);
}

.hide-tile.found .hide-tile-content {
  color: #052e16;
}

.log {
  margin-top: 6px;
  max-height: 110px;
  overflow-y: auto;
  font-size: 8px;
  color: #d1d5db;
}

.log-entry {
  padding: 2px 0;
}