/* ========================================
   SwitchCom — Minimalist Zen Puzzle
   Design Tokens & Base Styles
   ======================================== */

:root {
  /* Light Mode Tokens (Primary) */
  --bg: #FAFAFA;
  --bg-secondary: #F0F0F0;
  --switch-off: #E8E8E8;
  --switch-on: #1A1A1A;
  --switch-accent: #7a7a7a;
  --hint-glow: rgba(180, 180, 180, 0.2);
  --text: #2A2A2A;
  --text-muted: #6A6A6A;
  --text-light: #A0A0A0;
  --shadow: rgba(0, 0, 0, 0.08);
  --shadow-strong: rgba(0, 0, 0, 0.15);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --glass-blur: blur(12px);
  
  /* Animation Tokens */
  --toggle-duration: 120ms;
  --toggle-easing: ease-in-out;
  --pulse-duration: 100ms;
  --pulse-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --glow-duration: 350ms;
  --ripple-duration: 600ms;
  --shake-duration: 100ms;
  --unlock-duration: 800ms;
  
  /* Spacing - Spread out switches more */
  --switch-gap: clamp(2rem, 5vw, 4rem);
  --switch-size: clamp(0.9rem, 3vw, 1.4rem);
  
  /* Typography */
  --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ========================================
   Dark Mode
   ======================================== */
[data-theme="dark"] {
  --bg: #0D0D0D;
  --bg-secondary: #1A1A1A;
  --switch-off: #2A2A2A;
  --switch-on: #E8E8E8;
  --switch-accent: #888888;
  --hint-glow: rgba(100, 100, 100, 0.3);
  --text: #E8E8E8;
  --text-muted: #A0A0A0;
  --text-light: #606060;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-strong: rgba(0, 0, 0, 0.5);
  
  /* Glassmorphism - Dark */
  --glass-bg: rgba(30, 30, 30, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] body,
[data-theme="dark"] #app {
  background: var(--bg);
}

[data-theme="dark"] .settings-content {
  background: var(--bg-secondary);
  border-color: var(--glass-border);
}

[data-theme="dark"] .setting-toggle-slider {
  background: var(--bg);
}

[data-theme="dark"] .toggle-container {
  background: var(--switch-off);
}

[data-theme="dark"] .toggle-checkbox:checked + .toggle-container {
  background: var(--switch-on);
}

[data-theme="dark"] .toggle-button {
  background: var(--bg);
}

[data-theme="dark"] .toggle-checkbox:checked + .toggle-container .toggle-button {
  background: var(--bg-secondary);
}

[data-theme="dark"] .pause-modal,
[data-theme="dark"] .gameover-screen {
  background: rgba(13, 13, 13, 0.95);
}

[data-theme="dark"] .pause-content,
[data-theme="dark"] .gameover-content {
  background: var(--bg-secondary);
}

[data-theme="dark"] .start-screen {
  background: var(--bg);
}

/* ========================================
   Reset & Base
   ======================================== */

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

html, body {
  height: 100%;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  font-family: var(--font-family);
  font-weight: 300;
  line-height: 1.5;
  background: var(--bg);
}

#app {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem 1.5rem;
  background: var(--bg);
  color: var(--text);
  position: relative;
  overflow: hidden;
}

/* ========================================
   Top Stats Bar (Timer + Clicks) - Glassmorphism
   ======================================== */

.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  width: 100%;
  max-width: 420px;
  margin-top: 2.5rem;
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 1.75rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  min-width: 100px;
  box-shadow: var(--glass-shadow);
}

.stat-label {
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat-value.warning {
  color: #c9a030;
}

.stat-value.danger {
  color: #b85555;
}

/* Hint stat box (correct count + direction) */
.hint-stat-box {
  min-width: 80px;
}

.hint-stat-content {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hint-direction-inline {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.hint-direction-inline.visible {
  opacity: 1;
}

.hint-direction-inline.warmer {
  color: #5a9a5a;
}

.hint-direction-inline.colder {
  color: #9a5a5a;
}

.hint-direction-inline.same {
  color: var(--text-light);
}

/* Run Stats Bar (total time + total clicks) */
.run-stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.run-stats-bar.visible {
  opacity: 1;
}

.run-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.run-stat-label {
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

.run-stat-value {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ========================================
   Level Progression Bar
   ======================================== */

.level-progression {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.level-progression.visible {
  opacity: 1;
  visibility: visible;
}

.level-node {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
}

.level-node.completed {
  opacity: 0.4;
  transform: scale(0.85);
}

.level-node.current {
  border-color: var(--switch-accent);
  background: rgba(122, 122, 122, 0.15);
}

.level-node.upcoming {
  opacity: 0.3;
  transform: scale(0.85);
}

.level-num {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.level-connector {
  width: 30px;
  height: 2px;
  background: var(--text-light);
  position: relative;
  opacity: 0.3;
}

.level-connector-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background: var(--switch-accent);
  transition: width 0.5s ease;
}

.level-connector.faded {
  opacity: 0.15;
}

/* ========================================
   Points Display
   ======================================== */

.points-display {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 40;
}

.points-display.visible {
  opacity: 1;
  visibility: visible;
}

.points-label {
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.25rem;
}

.points-value {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  transition: transform 0.2s ease, color 0.2s ease;
}

.points-value.bump {
  transform: scale(1.15);
  color: var(--text);
}

/* Floating Points Animation */
.floating-points-container {
  position: fixed;
  top: 0;
  right: 1.5rem;
  width: 80px;
  height: 100vh;
  pointer-events: none;
  z-index: 35;
  overflow: hidden;
}

.floating-point {
  position: absolute;
  right: 0;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--switch-accent);
  opacity: 0;
  animation: floatUp 1.5s ease-out forwards;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.8);
  }
  20% {
    opacity: 1;
    transform: translateY(-20px) scale(1);
  }
  80% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(0.9);
  }
}

/* ========================================
   Lives Display
   ======================================== */

.lives-display {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 40;
}

.lives-display.visible {
  opacity: 1;
  visibility: visible;
}

.lives-icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--switch-accent);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.lives-icon.lost {
  background: var(--text-light);
  opacity: 0.3;
  transform: scale(0.8);
}

.lives-icon.used {
  animation: lifeLost 0.4s ease forwards;
}

@keyframes lifeLost {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.5;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.3;
    background: var(--text-light);
  }
}

/* ========================================
   Game Container
   ======================================== */

.game-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 500px;
  position: relative;
}

/* ========================================
   Switch Layouts (Creative Patterns)
   ======================================== */

.switch-row {
  display: grid;
  gap: var(--switch-gap);
  padding: 2rem;
  transition: transform var(--pulse-duration) var(--pulse-easing), opacity 0.3s ease;
}

/* ========================================
   Level-Specific Layouts (Levels 1-30)
   Unique, interesting patterns for each level
   ======================================== */

/* Level 1: Horizontal 2 switches */
.switch-row.layout-horizontal-2 {
  grid-template-columns: repeat(2, 1fr);
  justify-items: center;
}

/* Level 2: Vertical 2 switches */
.switch-row.layout-vertical-2 {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(2, 1fr);
  justify-items: center;
}

/* Level 3: Triangle 3 switches */
.switch-row.layout-triangle-3 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  justify-items: center;
}
.switch-row.layout-triangle-3 .toggle-wrapper:nth-child(1) { grid-column: 1 / span 2; grid-row: 1; }
.switch-row.layout-triangle-3 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-triangle-3 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }

/* Level 4: Line 3 switches */
.switch-row.layout-line-3 {
  grid-template-columns: repeat(3, 1fr);
  justify-items: center;
}

/* Level 5: Square 4 switches */
.switch-row.layout-square-4 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  justify-items: center;
}

/* Level 6: Diamond 4 switches */
.switch-row.layout-diamond-4 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-diamond-4 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-diamond-4 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-diamond-4 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-diamond-4 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 3; }

/* Level 7: Plus 5 switches */
.switch-row.layout-plus-5 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-plus-5 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-plus-5 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-plus-5 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }
.switch-row.layout-plus-5 .toggle-wrapper:nth-child(4) { grid-column: 3; grid-row: 2; }
.switch-row.layout-plus-5 .toggle-wrapper:nth-child(5) { grid-column: 2; grid-row: 3; }

/* Level 8: X shape 5 switches */
.switch-row.layout-x-5 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-x-5 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-x-5 .toggle-wrapper:nth-child(2) { grid-column: 3; grid-row: 1; }
.switch-row.layout-x-5 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }
.switch-row.layout-x-5 .toggle-wrapper:nth-child(4) { grid-column: 1; grid-row: 3; }
.switch-row.layout-x-5 .toggle-wrapper:nth-child(5) { grid-column: 3; grid-row: 3; }

/* Level 9: Hexagon 6 switches */
.switch-row.layout-hexagon-6 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(4) { grid-column: 1; grid-row: 3; }
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(5) { grid-column: 2; grid-row: 3; }
.switch-row.layout-hexagon-6 .toggle-wrapper:nth-child(6) { grid-column: 3; grid-row: 3; }

/* Level 10: Rectangle 6 switches (2x3) */
.switch-row.layout-rectangle-6 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  justify-items: center;
}

/* Level 11: Arrow 7 switches */
.switch-row.layout-arrow-7 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(4) { grid-column: 3; grid-row: 2; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(5) { grid-column: 2; grid-row: 3; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 4; }
.switch-row.layout-arrow-7 .toggle-wrapper:nth-child(7) { grid-column: 1; grid-row: 3; }

/* Level 12: H-Shape 7 switches */
.switch-row.layout-h-shape-7 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(2) { grid-column: 3; grid-row: 1; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(3) { grid-column: 1; grid-row: 2; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 2; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(5) { grid-column: 3; grid-row: 2; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(6) { grid-column: 1; grid-row: 3; }
.switch-row.layout-h-shape-7 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 3; }

/* Level 13: Circle 8 switches */
.switch-row.layout-circle-8 {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(2) { grid-column: 3; grid-row: 1; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(3) { grid-column: 1; grid-row: 2; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(6) { grid-column: 4; grid-row: 3; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(7) { grid-column: 2; grid-row: 3; }
.switch-row.layout-circle-8 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 3; }

/* Level 14: Hourglass 8 switches */
.switch-row.layout-hourglass-8 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 1; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 1; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 2; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(5) { grid-column: 2; grid-row: 3; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(6) { grid-column: 1; grid-row: 4; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(7) { grid-column: 2; grid-row: 4; }
.switch-row.layout-hourglass-8 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 4; }

/* Level 15: Grid 9 switches (3x3) */
.switch-row.layout-grid-9 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}

/* Level 16: Diamond 9 switches */
.switch-row.layout-diamond-9 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 2; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(6) { grid-column: 5; grid-row: 2; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(7) { grid-column: 2; grid-row: 3; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 3; }
.switch-row.layout-diamond-9 .toggle-wrapper:nth-child(9) { grid-column: 4; grid-row: 3; }

/* Level 17: Pentagon 10 switches */
.switch-row.layout-pentagon-10 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(3) { grid-column: 5; grid-row: 2; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(4) { grid-column: 1; grid-row: 3; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(5) { grid-column: 5; grid-row: 3; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 4; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 4; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 4; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(9) { grid-column: 2; grid-row: 2; }
.switch-row.layout-pentagon-10 .toggle-wrapper:nth-child(10) { grid-column: 4; grid-row: 2; }

/* Level 18: Cross 10 switches */
.switch-row.layout-cross-10 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(2) { grid-column: 3; grid-row: 2; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(3) { grid-column: 1; grid-row: 3; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 3; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(5) { grid-column: 3; grid-row: 3; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(6) { grid-column: 4; grid-row: 3; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(7) { grid-column: 5; grid-row: 3; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 4; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(9) { grid-column: 3; grid-row: 5; }
.switch-row.layout-cross-10 .toggle-wrapper:nth-child(10) { grid-column: 2; grid-row: 2; }

/* Level 19: Star 11 switches */
.switch-row.layout-star-11 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-star-11 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(2) { grid-column: 1; grid-row: 2; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(4) { grid-column: 3; grid-row: 2; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(5) { grid-column: 4; grid-row: 2; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(6) { grid-column: 5; grid-row: 2; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(7) { grid-column: 2; grid-row: 3; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(9) { grid-column: 1; grid-row: 4; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(10) { grid-column: 3; grid-row: 4; }
.switch-row.layout-star-11 .toggle-wrapper:nth-child(11) { grid-column: 5; grid-row: 4; }

/* Level 20: Chevron 11 switches */
.switch-row.layout-chevron-11 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(2) { grid-column: 5; grid-row: 1; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(3) { grid-column: 1; grid-row: 2; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 2; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(5) { grid-column: 4; grid-row: 2; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(6) { grid-column: 5; grid-row: 2; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(7) { grid-column: 2; grid-row: 3; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 3; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(9) { grid-column: 4; grid-row: 3; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(10) { grid-column: 3; grid-row: 2; }
.switch-row.layout-chevron-11 .toggle-wrapper:nth-child(11) { grid-column: 3; grid-row: 1; }

/* Level 21: Hexagon 12 switches */
.switch-row.layout-hexagon-12 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(1) { grid-column: 2; grid-row: 1; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(2) { grid-column: 3; grid-row: 1; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(3) { grid-column: 4; grid-row: 1; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(4) { grid-column: 1; grid-row: 2; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(5) { grid-column: 5; grid-row: 2; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(6) { grid-column: 1; grid-row: 3; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(7) { grid-column: 5; grid-row: 3; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(8) { grid-column: 2; grid-row: 4; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(9) { grid-column: 3; grid-row: 4; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(10) { grid-column: 4; grid-row: 4; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(11) { grid-column: 3; grid-row: 2; }
.switch-row.layout-hexagon-12 .toggle-wrapper:nth-child(12) { grid-column: 3; grid-row: 3; }

/* Level 22: Triangle 12 switches */
.switch-row.layout-triangle-12 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 3; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 3; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(9) { grid-column: 5; grid-row: 3; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(10) { grid-column: 1; grid-row: 4; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(11) { grid-column: 3; grid-row: 4; }
.switch-row.layout-triangle-12 .toggle-wrapper:nth-child(12) { grid-column: 5; grid-row: 4; }

/* Level 23: Arrow 13 switches */
.switch-row.layout-arrow-13 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(6) { grid-column: 3; grid-row: 3; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(7) { grid-column: 5; grid-row: 3; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(8) { grid-column: 3; grid-row: 4; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(9) { grid-column: 3; grid-row: 5; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(10) { grid-column: 2; grid-row: 3; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(11) { grid-column: 4; grid-row: 3; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(12) { grid-column: 2; grid-row: 4; }
.switch-row.layout-arrow-13 .toggle-wrapper:nth-child(13) { grid-column: 4; grid-row: 4; }

/* Level 24: Wave 13 switches */
.switch-row.layout-wave-13 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
}
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 2; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 1; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(3) { grid-column: 2; grid-row: 2; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(4) { grid-column: 3; grid-row: 2; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(5) { grid-column: 3; grid-row: 3; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(6) { grid-column: 4; grid-row: 2; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(7) { grid-column: 4; grid-row: 1; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(8) { grid-column: 5; grid-row: 2; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(9) { grid-column: 1; grid-row: 1; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(10) { grid-column: 1; grid-row: 3; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(11) { grid-column: 5; grid-row: 1; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(12) { grid-column: 5; grid-row: 3; }
.switch-row.layout-wave-13 .toggle-wrapper:nth-child(13) { grid-column: 3; grid-row: 1; }

/* Level 25: Butterfly 14 switches */
.switch-row.layout-butterfly-14 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(2) { grid-column: 5; grid-row: 1; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(3) { grid-column: 1; grid-row: 2; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(4) { grid-column: 2; grid-row: 2; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(5) { grid-column: 3; grid-row: 2; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(6) { grid-column: 4; grid-row: 2; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(7) { grid-column: 5; grid-row: 2; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(8) { grid-column: 1; grid-row: 3; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(9) { grid-column: 2; grid-row: 3; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(10) { grid-column: 3; grid-row: 3; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(11) { grid-column: 4; grid-row: 3; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(12) { grid-column: 5; grid-row: 3; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(13) { grid-column: 1; grid-row: 4; }
.switch-row.layout-butterfly-14 .toggle-wrapper:nth-child(14) { grid-column: 5; grid-row: 4; }

/* Level 26: Diamond 14 switches */
.switch-row.layout-diamond-14 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 3; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 3; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(9) { grid-column: 5; grid-row: 3; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(10) { grid-column: 2; grid-row: 4; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(11) { grid-column: 3; grid-row: 4; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(12) { grid-column: 4; grid-row: 4; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(13) { grid-column: 3; grid-row: 5; }
.switch-row.layout-diamond-14 .toggle-wrapper:nth-child(14) { grid-column: 1; grid-row: 2; }

/* Level 27: Pyramid 15 switches */
.switch-row.layout-pyramid-15 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 3; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 3; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(9) { grid-column: 5; grid-row: 3; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(10) { grid-column: 1; grid-row: 4; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(11) { grid-column: 2; grid-row: 4; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(12) { grid-column: 3; grid-row: 4; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(13) { grid-column: 4; grid-row: 4; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(14) { grid-column: 5; grid-row: 4; }
.switch-row.layout-pyramid-15 .toggle-wrapper:nth-child(15) { grid-column: 3; grid-row: 5; }

/* Level 28: Spiral 15 switches */
.switch-row.layout-spiral-15 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(1) { grid-column: 1; grid-row: 1; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 1; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 1; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 1; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(5) { grid-column: 5; grid-row: 1; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(6) { grid-column: 5; grid-row: 2; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(7) { grid-column: 5; grid-row: 3; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(9) { grid-column: 3; grid-row: 3; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(10) { grid-column: 2; grid-row: 3; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(11) { grid-column: 2; grid-row: 4; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(12) { grid-column: 3; grid-row: 4; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(13) { grid-column: 3; grid-row: 5; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(14) { grid-column: 1; grid-row: 2; }
.switch-row.layout-spiral-15 .toggle-wrapper:nth-child(15) { grid-column: 1; grid-row: 3; }

/* Level 29: Grid 16 switches (4x4) */
.switch-row.layout-grid-16 {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  justify-items: center;
}

/* Level 30: Flower 16 switches */
.switch-row.layout-flower-16 {
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  justify-items: center;
}
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(1) { grid-column: 3; grid-row: 1; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(2) { grid-column: 2; grid-row: 2; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(3) { grid-column: 3; grid-row: 2; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(4) { grid-column: 4; grid-row: 2; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(5) { grid-column: 1; grid-row: 3; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(6) { grid-column: 2; grid-row: 3; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(7) { grid-column: 3; grid-row: 3; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(8) { grid-column: 4; grid-row: 3; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(9) { grid-column: 5; grid-row: 3; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(10) { grid-column: 2; grid-row: 4; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(11) { grid-column: 3; grid-row: 4; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(12) { grid-column: 4; grid-row: 4; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(13) { grid-column: 3; grid-row: 5; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(14) { grid-column: 1; grid-row: 2; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(15) { grid-column: 5; grid-row: 2; }
.switch-row.layout-flower-16 .toggle-wrapper:nth-child(16) { grid-column: 1; grid-row: 4; }

/* Fallback layouts for levels 31+ */
.switch-row[class*="layout-grid-"] {
  grid-template-columns: repeat(4, 1fr);
  justify-items: center;
}
.switch-row[class*="layout-diamond-"][class*="-17"],
.switch-row[class*="layout-diamond-"][class*="-18"],
.switch-row[class*="layout-diamond-"][class*="-19"],
.switch-row[class*="layout-diamond-"][class*="-20"] {
  grid-template-columns: repeat(5, 1fr);
  justify-items: center;
}
.switch-row[class*="layout-hexagon-"][class*="-17"],
.switch-row[class*="layout-hexagon-"][class*="-18"],
.switch-row[class*="layout-hexagon-"][class*="-19"],
.switch-row[class*="layout-hexagon-"][class*="-20"] {
  grid-template-columns: repeat(5, 1fr);
  justify-items: center;
}
.switch-row[class*="layout-circle-"] {
  grid-template-columns: repeat(5, 1fr);
  justify-items: center;
}
.switch-row[class*="layout-pyramid-"] {
  grid-template-columns: repeat(5, 1fr);
  justify-items: center;
}

/* Animations */
.switch-row.micro-pulse {
  animation: microPulse var(--pulse-duration) var(--pulse-easing);
}

.switch-row.shake {
  animation: shake var(--shake-duration) ease-in-out;
}

@keyframes microPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

/* ========================================
   Switch Component (Neumorphic Style - Light Mode)
   ======================================== */

.toggle-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  border-radius: 0.5em;
  padding: 0.125em;
  font-size: var(--switch-size);
  cursor: pointer;
  transition: transform var(--toggle-duration) var(--toggle-easing);
  background-image: linear-gradient(to bottom, #d5d5d5, #e8e8e8);
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.6);
}

.toggle-wrapper:active {
  transform: scale(0.96);
}

.toggle-checkbox {
  appearance: none;
  position: absolute;
  z-index: 1;
  border-radius: inherit;
  width: 100%;
  height: 100%;
  font: inherit;
  opacity: 0;
  cursor: pointer;
}

.toggle-container {
  display: flex;
  align-items: center;
  position: relative;
  border-radius: 0.375em;
  width: 3em;
  height: 1.5em;
  background-color: #e8e8e8;
  box-shadow: 
    inset 0 0 0.0625em 0.125em rgba(255, 255, 255, 0.2),
    inset 0 0.0625em 0.125em rgba(0, 0, 0, 0.4);
  transition: background-color 0.4s linear;
}

.toggle-checkbox:checked + .toggle-container {
  background-color: #7a7a7a;
}

.toggle-button {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0.0625em;
  border-radius: 0.3125em;
  width: 1.375em;
  height: 1.375em;
  background-color: #e8e8e8;
  box-shadow: 
    inset 0 -0.0625em 0.0625em 0.125em rgba(0, 0, 0, 0.1),
    inset 0 -0.125em 0.0625em rgba(0, 0, 0, 0.2),
    inset 0 0.1875em 0.0625em rgba(255, 255, 255, 0.3),
    0 0.125em 0.125em rgba(0, 0, 0, 0.5);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-checkbox:checked + .toggle-container > .toggle-button {
  left: 1.5625em;
}

.toggle-button-circles-container {
  display: grid;
  grid-template-columns: repeat(3, min-content);
  gap: 0.125em;
  position: absolute;
  margin: 0 auto;
}

.toggle-button-circle {
  border-radius: 50%;
  width: 0.125em;
  height: 0.125em;
  background-image: radial-gradient(circle at 50% 0, #f5f5f5, #c4c4c4);
}

/* ========================================
   Hint System
   ======================================== */

.hint-glow-line {
  position: absolute;
  bottom: calc(50% - 5rem);
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  max-width: 300px;
  height: 2px;
  background: var(--text-muted);
  opacity: 0;
  border-radius: 1px;
  transition: opacity var(--glow-duration) ease-out;
  pointer-events: none;
}

.hint-glow-line.active {
  animation: glowPulse var(--glow-duration) ease-out;
}

@keyframes glowPulse {
  0% { opacity: 0; }
  30% { opacity: var(--hint-opacity, 0.15); }
  100% { opacity: 0; }
}

.proximity-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 200%;
  background: radial-gradient(ellipse at center, var(--hint-glow) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

/* ========================================
   Success Overlay & Unlock Animation
   ======================================== */

.success-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 100;
}

.success-ripple {
  width: 0;
  height: 0;
  border-radius: 50%;
  background: var(--switch-accent);
  opacity: 0;
  transition: none;
}

.success-ripple.active {
  animation: successRipple var(--ripple-duration) ease-out forwards;
}

@keyframes successRipple {
  0% {
    width: 0;
    height: 0;
    opacity: 0.4;
  }
  50% {
    opacity: 0.2;
  }
  100% {
    width: 250vmax;
    height: 250vmax;
    opacity: 0;
  }
}

/* Unlock animation overlay */
.unlock-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 150;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.unlock-overlay.active {
  opacity: 1;
}

.unlock-text {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--switch-accent);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.unlock-overlay.active .unlock-text {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.unlock-level {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 200;
  letter-spacing: 0.1em;
  color: var(--text);
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s;
}

.unlock-overlay.active .unlock-level {
  opacity: 0.3;
  transform: scale(1);
}

/* ========================================
   Failure Overlay
   ======================================== */

.failure-overlay {
  position: fixed;
  inset: 0;
  background: rgba(80, 40, 40, 0.12);
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  transition: opacity 0.3s ease;
}

.failure-overlay.active {
  animation: failureFade 0.6s ease-out;
}

@keyframes failureFade {
  0% { opacity: 0; }
  30% { opacity: 1; }
  100% { opacity: 0; }
}

/* ========================================
   Settings Button
   ======================================== */

.settings-btn {
  display: none; /* Hidden - using new header settings buttons */
}

.settings-btn:hover {
  opacity: 1;
}

.settings-btn svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Settings Modal
   ======================================== */

.settings-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 200;
}

.settings-modal.active {
  opacity: 1;
  visibility: visible;
}

.settings-content {
  background: var(--bg);
  border: 1px solid var(--text-light);
  border-radius: 1rem;
  padding: 2rem;
  min-width: 280px;
  max-width: 90vw;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.settings-modal.active .settings-content {
  transform: translateY(0);
}

.settings-content h2 {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  text-align: center;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--text-light);
}

.setting-row:last-of-type {
  border-bottom: none;
}

.setting-row span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.setting-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.setting-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.setting-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--text-light);
  border-radius: 24px;
  transition: background-color 0.3s ease;
}

.setting-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--bg);
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.setting-toggle input:checked + .setting-toggle-slider {
  background: var(--switch-accent);
}

.setting-toggle input:checked + .setting-toggle-slider::before {
  transform: translateX(20px);
}

.close-settings {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.75rem;
  background: transparent;
  border: 1px solid var(--text-light);
  border-radius: 0.5rem;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.close-settings:hover {
  background: var(--text-light);
  color: var(--text);
}

/* ========================================
   Start Screen
   ======================================== */

.start-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  overflow-y: auto;
  padding: 1rem;
}

.start-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.start-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100%;
  max-width: 340px;
  width: 100%;
  padding: 1rem 0;
  gap: 0.75rem;
}

.start-header {
  flex-shrink: 0;
}

.start-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  gap: 0.75rem;
}

.start-footer {
  display: none; /* Hidden - using new bottom nav */
}

.game-title {
  font-size: clamp(1.8rem, 7vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.game-subtitle {
  font-size: clamp(0.6rem, 2vw, 0.75rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* Old start/daily buttons hidden - using new play-btn and daily-challenge-btn */
.start-btn.old-style,
.daily-btn.old-style,
.restart-btn {
  display: block;
  width: 100%;
  max-width: 200px;
  padding: 0.875rem 1.5rem;
  background: transparent;
  border: 1px solid var(--text-light);
  border-radius: 2rem;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.restart-btn {
  font-size: 0.7rem;
  padding: 0.6rem 1.25rem;
  opacity: 0.7;
}

.restart-btn:hover {
  opacity: 1;
  background: var(--switch-accent);
  border-color: var(--switch-accent);
  color: var(--bg);
}

/* Stats Row (compact footer stats) - hidden, using new modals */
.stats-row {
  display: none;
}

.mini-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.mini-stat-val {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.mini-stat-label {
  font-size: 0.45rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

.badge-stat {
  min-width: 50px;
}

.mini-badge {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-light);
  opacity: 0.25;
}

.mini-badge.earned {
  opacity: 1;
  background: linear-gradient(135deg, #d4af37, #f0e68c);
}

/* Best Runs (compact) - hidden, using new modals */
.best-runs {
  display: none;
}

.best-run-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.best-run-mode {
  font-size: 0.7rem;
  opacity: 0.6;
}

.best-run-scores {
  font-size: 0.55rem;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
}

/* ========================================
   Reduce Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

#app.reduce-motion *,
#app.reduce-motion *::before,
#app.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* Hot/Cold glow on individual switches */
.toggle-wrapper.hot-glow {
  animation: hotGlow 0.4s ease;
}

.toggle-wrapper.cold-glow {
  animation: coldGlow 0.4s ease;
}

@keyframes hotGlow {
  0%, 100% { box-shadow: 0 1px 1px rgba(255, 255, 255, 0.6); }
  50% { box-shadow: 0 0 12px rgba(100, 160, 100, 0.4); }
}

@keyframes coldGlow {
  0%, 100% { box-shadow: 0 1px 1px rgba(255, 255, 255, 0.6); }
  50% { box-shadow: 0 0 12px rgba(160, 100, 100, 0.3); }
}

/* ========================================
   Mode Selection
   ======================================== */

.mode-select {
  width: 100%;
}

.select-label {
  display: none; /* Hidden - using new UI */
}

/* Old mode buttons - hidden, using new mode-cards */
.mode-buttons {
  display: none;
}

.mode-btn {
  display: none;
}

.mode-icon {
  font-size: 1rem;
  margin-right: 0.6rem;
  width: 20px;
  text-align: center;
}

.mode-name {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  flex: 1;
}

/* ========================================
   Difficulty Selection
   ======================================== */

.difficulty-select {
  width: 100%;
}

/* Old difficulty buttons - hidden, using new difficulty-pills */
.difficulty-buttons {
  display: none;
}

.difficulty-btn {
  display: none;
}

/* ========================================
   Pause Button
   ======================================== */

.pause-btn {
  position: fixed;
  top: 1rem;
  right: 3.5rem;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 50;
}

.pause-btn.visible {
  display: none; /* Hidden - using new gameplay header pause button */
}

.pause-btn:hover {
  opacity: 1;
}

.pause-btn svg {
  width: 20px;
  height: 20px;
}

/* Budget warning states */
.run-stat-value.warning {
  color: #c9a030;
}

.run-stat-value.danger {
  color: #b85555;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ========================================
   Pause Modal
   ======================================== */

.pause-modal {
  position: fixed;
  inset: 0;
  background: rgba(250, 250, 250, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 250;
}

.pause-modal.active {
  opacity: 1;
  visibility: visible;
}

.pause-content {
  text-align: center;
  padding: 2rem;
}

.pause-content h2 {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.pause-stats {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.resume-btn,
.menu-btn {
  display: block;
  width: 180px;
  margin: 0 auto 1rem;
  padding: 1rem 2rem;
  background: transparent;
  border: 1px solid var(--text-light);
  border-radius: 2rem;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.resume-btn:hover {
  background: var(--switch-accent);
  border-color: var(--switch-accent);
  color: var(--bg);
}

.menu-btn {
  font-size: 0.75rem;
  padding: 0.75rem 1.5rem;
  opacity: 0.7;
}

.menu-btn:hover {
  opacity: 1;
  background: var(--text-light);
  color: var(--text);
}

/* ========================================
   Game Over Screen
   ======================================== */

.gameover-screen {
  position: fixed;
  inset: 0;
  background: rgba(250, 250, 250, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  z-index: 280;
}

.gameover-screen.active {
  opacity: 1;
  visibility: visible;
}

.gameover-content {
  text-align: center;
  padding: 2rem;
}

.gameover-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.gameover-reason {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.gameover-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.gameover-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gameover-stat .stat-label {
  font-size: 0.5rem;
  margin-bottom: 0.35rem;
}

.gameover-stat .stat-val {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text);
}

.play-again-btn {
  display: block;
  width: 180px;
  margin: 0 auto 1rem;
  padding: 1rem 2rem;
  background: var(--switch-accent);
  border: 1px solid var(--switch-accent);
  border-radius: 2rem;
  color: var(--bg);
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-again-btn:hover {
  background: var(--text);
  border-color: var(--text);
}