:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

/* Note: HTML uses classes like "btn btn-primary"; base .btn provides layout and modifiers
   such as .btn-primary/.btn-secondary are defined below. No CSS composition needed. */

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

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

.btn--primary:active {
  background: var(--color-primary-active);
}

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

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

.btn--secondary:active {
  background: var(--color-secondary-active);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-secondary);
}

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

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

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* Cute pastel colors for the game */
  --color-pink: rgba(255, 182, 193, 1);
  --color-lavender: rgba(230, 230, 250, 1);
  --color-mint: rgba(152, 251, 152, 1);
  --color-peach: rgba(255, 218, 185, 1);
  --color-sky: rgba(173, 216, 230, 1);
  --color-lemon: rgba(255, 255, 224, 1);
  
  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    background: linear-gradient(135deg, #ffe4f0 0%, #e8f5ff 50%, #fff0f5 100%);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    animation: cuteBackgroundShift 20s ease-in-out infinite;
}

@keyframes cuteBackgroundShift {
    0%, 100% {
        background: linear-gradient(135deg, #ffe4f0 0%, #e8f5ff 50%, #fff0f5 100%);
    }
    50% {
        background: linear-gradient(135deg, #fff0f5 0%, #ffe4f0 50%, #e8f5ff 100%);
    }
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#game-canvas {
    display: block;
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    touch-action: none;
}

/* UI Overlay */
#ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    transition: all 0.3s ease;
}

.screen.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
}

/* Main Menu */
#main-menu {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.menu-content {
    text-align: center;
    padding: clamp(var(--space-16), 4vw, var(--space-32));
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 240, 245, 0.95) 100%);
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(255, 182, 193, 0.3), 0 0 0 3px rgba(255, 255, 255, 0.8);
    border: 4px solid transparent;
    background-clip: padding-box;
    position: relative;
    max-width: min(90vw, 400px);
    max-height: 85vh;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.menu-content::-webkit-scrollbar {
    display: none;
}

.menu-content::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(135deg, #FFB6C1 0%, #DDA0DD 50%, #98FB98 100%);
    border-radius: 30px;
    z-index: -1;
    animation: borderRainbow 3s linear infinite;
}

@keyframes borderRainbow {
    0% {
        background: linear-gradient(135deg, #FFB6C1 0%, #DDA0DD 50%, #98FB98 100%);
    }
    33% {
        background: linear-gradient(135deg, #DDA0DD 0%, #98FB98 50%, #FFB6C1 100%);
    }
    66% {
        background: linear-gradient(135deg, #98FB98 0%, #FFB6C1 50%, #DDA0DD 100%);
    }
    100% {
        background: linear-gradient(135deg, #FFB6C1 0%, #DDA0DD 50%, #98FB98 100%);
    }
}

.game-title {
    font-size: clamp(1.8rem, 8vw, 3rem);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, #FF69B4 0%, #FFB6C1 50%, #DDA0DD 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-8);
    text-shadow: 2px 2px 8px rgba(255, 182, 193, 0.6);
    filter: drop-shadow(2px 2px 4px rgba(255, 182, 193, 0.5));
    animation: titleFloat 3s ease-in-out infinite;
}

@keyframes titleFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.game-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-24);
}

.character-preview {
    position: relative;
    margin: var(--space-24) 0;
}

.bunny-icon {
    font-size: 4rem;
    animation: bounce 2s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(255, 182, 193, 0.4));
    transform-origin: center bottom;
}

.sparkles {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 1.2rem;
    animation: sparkle 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
}

@keyframes bounce {
    0%, 100% { 
        transform: translateY(0) scale(1); 
    }
    25% {
        transform: translateY(-15px) scale(1.05) rotate(-5deg);
    }
    50% { 
        transform: translateY(-20px) scale(1.1) rotate(0deg); 
    }
    75% {
        transform: translateY(-15px) scale(1.05) rotate(5deg);
    }
}

@keyframes sparkle {
    0%, 100% { 
        opacity: 1; 
        transform: rotate(0deg) scale(1);
    }
    25% {
        opacity: 0.7;
        transform: rotate(90deg) scale(1.3);
    }
    50% { 
        opacity: 0.4; 
        transform: rotate(180deg) scale(1.5);
    }
    75% {
        opacity: 0.7;
        transform: rotate(270deg) scale(1.3);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-24);
    border-radius: var(--radius-full);
    border: none;
    font-family: var(--font-family-base);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-lavender) 100%);
    color: var(--color-slate-900);
    box-shadow: 0 4px 15px rgba(255, 182, 193, 0.4);
    margin-bottom: var(--space-16);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 182, 193, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-sky) 0%, var(--color-mint) 100%);
    color: var(--color-slate-900);
    box-shadow: 0 4px 15px rgba(173, 216, 230, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(173, 216, 230, 0.6);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid var(--color-pink);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-pink);
    color: white;
}

.btn-small {
    padding: var(--space-8) var(--space-16);
    font-size: var(--font-size-sm);
}

.btn-icon {
    padding: var(--space-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--color-pink);
    color: var(--color-primary);
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--color-pink);
    color: white;
    transform: scale(1.1);
}

.btn-sparkle {
    position: absolute;
    top: -5px;
    right: -5px;
    animation: sparkle 2s ease-in-out infinite;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
    margin-top: var(--space-24);
}

/* Game HUD */
#game-hud {
    background: transparent;
    pointer-events: none;
}

.hud-top {
    position: absolute;
    top: var(--space-20);
    left: var(--space-20);
    right: var(--space-20);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: all;
}

.hud-controls {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.score-container {
    display: flex;
    gap: var(--space-16);
}

.score-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 240, 245, 0.9) 100%);
    padding: var(--space-8) var(--space-16);
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(255, 182, 193, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border: 3px solid transparent;
    background-clip: padding-box;
    position: relative;
    text-align: center;
    min-width: 80px;
}

.score-item::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #FFB6C1 0%, #DDA0DD 100%);
    border-radius: 20px;
    z-index: -1;
}

.score-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.controls-hint {
    position: absolute;
    bottom: var(--space-20);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-8);
    background: rgba(255, 255, 255, 0.8);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-sm);
}

.control-key {
    background: var(--color-pink);
    color: white;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
}

.control-text {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

/* Best Score Display */
.best-score-display {
    margin-top: var(--space-20);
    padding: var(--space-12);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-base);
    border: 2px solid var(--color-lavender);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* New Compact Difficulty Selection */
.difficulty-selection {
    margin: var(--space-24) 0;
    width: 100%;
}

.difficulty-title {
    font-size: clamp(var(--font-size-lg), 4vw, var(--font-size-xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-16);
    text-align: center;
}

.difficulty-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
    background: rgba(255, 255, 255, 0.9);
    border: 3px solid var(--color-pink);
    border-radius: var(--radius-full);
    padding: var(--space-12) var(--space-16);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    max-width: 320px;
    margin: 0 auto var(--space-8) auto;
}

.difficulty-selector:hover {
    box-shadow: var(--shadow-lg);
}

.difficulty-arrow {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--space-8);
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.difficulty-arrow:hover {
    background: var(--color-pink);
    color: white;
    transform: scale(1.1);
}

.difficulty-arrow:active {
    transform: scale(0.95);
}

.difficulty-display {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    flex: 1;
    min-height: 60px;
}

.difficulty-icon {
    font-size: 2.5rem;
    animation: float 2s ease-in-out infinite;
    min-width: 50px;
    text-align: center;
}

.difficulty-info {
    flex: 1;
    text-align: left;
}

.difficulty-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
    line-height: 1.2;
}

.difficulty-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.3;
}

.recommended-badge {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-teal-400) 100%);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-4) var(--space-12);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    animation: glow 2s ease-in-out infinite alternate;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.recommended-badge.show {
    opacity: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* Touch Controls */
.touch-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    pointer-events: none;
    z-index: 20;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: var(--space-16) var(--space-20) var(--space-20) var(--space-20);
}

.touch-controls.hidden {
    display: none;
}

.touch-btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 240, 245, 0.9) 100%);
    border: 4px solid transparent;
    background-clip: padding-box;
    position: relative;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    color: #FF69B4;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: all;
    box-shadow: 0 6px 20px rgba(255, 182, 193, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.touch-btn::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(135deg, #FFB6C1 0%, #FF69B4 50%, #DDA0DD 100%);
    border-radius: 50%;
    z-index: -1;
}

.touch-btn:active {
    background: linear-gradient(135deg, #FF69B4 0%, #FFB6C1 100%);
    color: white;
    transform: scale(0.85);
    box-shadow: 0 2px 10px rgba(255, 105, 180, 0.6), inset 0 2px 5px rgba(0, 0, 0, 0.2);
}

.touch-left, .touch-right {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.touch-jump {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF69B4 0%, #FFB6C1 50%, #DDA0DD 100%);
    color: white;
    font-size: 1.8rem;
    animation: cuteJumpPulse 2s ease-in-out infinite;
    min-width: 44px;
    min-height: 44px;
    box-shadow: 0 8px 25px rgba(255, 105, 180, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes cuteJumpPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(255, 105, 180, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    }
    50% { 
        transform: scale(1.08);
        box-shadow: 0 10px 30px rgba(255, 105, 180, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    }
}

.touch-jump:active {
    background: var(--color-primary);
    animation: none;
}

/* Removed - replaced with cuteJumpPulse */

@keyframes glow {
    0% { box-shadow: var(--shadow-sm); }
    100% { box-shadow: 0 0 20px rgba(var(--color-teal-500-rgb), 0.4); }
}

/* Game Over Screen */
#game-over .menu-content {
    border-color: var(--color-mint);
}

.game-over-icon {
    font-size: 4rem;
    margin-bottom: var(--space-16);
    animation: bounce 2s ease-in-out infinite;
}

.score-summary {
    display: flex;
    justify-content: space-around;
    margin: var(--space-24) 0;
    gap: var(--space-16);
}

.final-score, .best-score-final {
    text-align: center;
    padding: var(--space-16);
    background: var(--color-bg-7);
    border-radius: var(--radius-base);
    border: 2px solid var(--color-pink);
    flex: 1;
}

.score-big {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-top: var(--space-4);
}

/* Celebration Animation */
.celebration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.confetti {
    position: absolute;
    font-size: 2rem;
    animation: confetti-fall 3s ease-in-out infinite;
}

.confetti:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
}

.confetti:nth-child(2) {
    left: 40%;
    animation-delay: 0.5s;
}

.confetti:nth-child(3) {
    left: 60%;
    animation-delay: 1s;
}

.confetti:nth-child(4) {
    left: 80%;
    animation-delay: 1.5s;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* New animations for combo and milestone feedback */
@keyframes comboFadeUp {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -60%) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -80%) scale(1);
    }
}

@keyframes milestoneZoom {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

@keyframes speedPulse {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Add hearts floating in background */
@keyframes floatingHearts {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

body::before,
body::after {
    content: '💕';
    position: fixed;
    font-size: 2rem;
    pointer-events: none;
    z-index: 0;
    animation: floatingHearts 15s linear infinite;
}

body::before {
    left: 10%;
    animation-delay: 0s;
}

body::after {
    content: '✨';
    left: 80%;
    animation-delay: 7s;
}

@keyframes comboPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}

.combo-item {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF69B4 100%) !important;
    animation: comboPulse 0.3s ease-out, comboGlow 1s ease-in-out infinite;
    box-shadow: 0 6px 25px rgba(255, 215, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.5) !important;
}

.combo-item::before {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF1493 100%) !important;
}

.combo-item .score-value {
    color: white !important;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3) !important;
}

@keyframes comboGlow {
    0%, 100% {
        box-shadow: 0 6px 25px rgba(255, 215, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    }
    50% {
        box-shadow: 0 6px 30px rgba(255, 215, 0, 0.9), 0 0 40px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    }
}

/* Loading Screen */
#loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-lavender) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: all 0.5s ease;
}

#loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-bunny {
    font-size: 5rem;
    margin-bottom: var(--space-16);
    animation: bounce 1s ease-in-out infinite;
}

.loading-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-20);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.loading-bar {
    width: 300px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-mint) 0%, var(--color-sky) 100%);
    border-radius: var(--radius-full);
    width: 0;
    transition: width 0.3s ease;
}

/* Particles Container */
#particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

/* Responsive Design */
@media (max-width: 768px) {
    .score-summary {
        flex-direction: column;
    }
    
    .hud-top {
        top: env(safe-area-inset-top, var(--space-12));
        left: var(--space-12);
        right: var(--space-12);
    }
    
    .hud-controls {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
        font-size: var(--font-size-base);
    }
    
    .controls-hint {
        display: none !important; /* Hide on mobile since we have touch controls */
    }
    
    .touch-controls {
        bottom: env(safe-area-inset-bottom, 0);
    }
    
    #game-hud .controls-hint {
        display: none;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--space-12) var(--space-24);
        font-size: var(--font-size-base);
        min-height: 44px;
    }
    
    .score-container {
        flex-direction: column;
        gap: var(--space-8);
    }
    
    .difficulty-selector {
        max-width: 280px;
        padding: var(--space-8) var(--space-12);
    }
    
    .difficulty-display {
        gap: var(--space-8);
    }
    
    .difficulty-icon {
        font-size: 2rem;
        min-width: 40px;
    }
    
    .difficulty-arrow {
        font-size: 1.3rem;
        min-width: 40px;
        min-height: 40px;
        padding: var(--space-6);
    }
}

@media (max-height: 600px) {
    .menu-content {
        padding: var(--space-16);
    }
    
    .difficulty-selection {
        margin: var(--space-16) 0;
    }
    
    .character-preview {
        margin: var(--space-16) 0;
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 500px) {
    .game-title {
        font-size: clamp(1.2rem, 6vw, 2rem);
        margin-bottom: var(--space-4);
    }
    
    .character-preview {
        display: none;
    }
    
    .difficulty-selection {
        margin: var(--space-12) 0;
    }
    
    .best-score-display {
        margin-top: var(--space-12);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
    }
    
    .difficulty-arrow {
        min-width: 48px;
        min-height: 48px;
    }
    
    .btn-icon {
        min-width: 48px;
        min-height: 48px;
    }
}

/* ===== NEW MUST-HAVE FEATURES STYLES ===== */

/* Tutorial Screen */
.tutorial-content {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-16) 0;
}

.tutorial-section {
    margin-bottom: var(--space-24);
    padding: var(--space-16);
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.1), rgba(221, 160, 221, 0.1));
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 182, 193, 0.3);
}

.tutorial-section h3 {
    font-size: var(--font-size-xl);
    color: var(--color-pink);
    margin-bottom: var(--space-12);
}

.tutorial-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
    margin: var(--space-16) 0;
}

.tutorial-control {
    display: flex;
    align-items: center;
    gap: var(--space-16);
}

.control-keys {
    display: flex;
    gap: var(--space-8);
}

.control-keys .key {
    display: inline-block;
    padding: var(--space-8) var(--space-12);
    background: linear-gradient(135deg, var(--color-mint), var(--color-lavender));
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-bold);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    min-width: 60px;
    text-align: center;
}

.tutorial-mobile {
    margin-top: var(--space-12);
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Settings Screen */
.settings-content {
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-16) 0;
    max-height: 60vh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for settings */
.settings-content::-webkit-scrollbar,
.menu-content::-webkit-scrollbar,
.tutorial-content::-webkit-scrollbar,
.leaderboard-content::-webkit-scrollbar {
    width: 0px;
    display: none;
}

.settings-content::-webkit-scrollbar-track,
.menu-content::-webkit-scrollbar-track,
.tutorial-content::-webkit-scrollbar-track,
.leaderboard-content::-webkit-scrollbar-track {
    background: transparent;
}

.settings-content::-webkit-scrollbar-thumb,
.menu-content::-webkit-scrollbar-thumb,
.tutorial-content::-webkit-scrollbar-thumb,
.leaderboard-content::-webkit-scrollbar-thumb {
    background: transparent;
}

/* Hide scrollbars globally for cleaner UI */
.settings-content,
.menu-content,
.tutorial-content,
.leaderboard-content {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-12) var(--space-16);
    margin-bottom: var(--space-12);
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.05), rgba(221, 160, 221, 0.05));
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 182, 193, 0.2);
    gap: var(--space-12);
    min-height: 60px;
}

.setting-item label {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    flex: 1;
    cursor: pointer;
    user-select: none;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(200, 200, 200, 0.5);
    border-radius: 26px;
    transition: all 0.3s ease;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--color-pink), var(--color-lavender));
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

/* Leaderboard Screen */
.leaderboard-content {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-16) 0;
}

.leaderboard-tabs {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
    border-bottom: 2px solid rgba(255, 182, 193, 0.3);
}

.leaderboard-tab {
    flex: 1;
    padding: var(--space-12);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}

.leaderboard-tab.active {
    color: var(--color-pink);
    border-bottom-color: var(--color-pink);
}

.leaderboard-list {
    min-height: 300px;
}

.leaderboard-entry {
    display: flex;
    align-items: center;
    padding: var(--space-12);
    margin-bottom: var(--space-8);
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.05), rgba(221, 160, 221, 0.05));
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 182, 193, 0.2);
    transition: all 0.3s ease;
}

.leaderboard-entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 182, 193, 0.3);
}

.leaderboard-rank {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    min-width: 50px;
    text-align: center;
}

.leaderboard-rank.gold { color: #FFD700; }
.leaderboard-rank.silver { color: #C0C0C0; }
.leaderboard-rank.bronze { color: #CD7F32; }

.leaderboard-info {
    flex: 1;
    margin: 0 var(--space-12);
}

.leaderboard-score {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-pink);
}

.leaderboard-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-4);
}

.leaderboard-empty {
    text-align: center;
    padding: var(--space-48);
    color: var(--color-text-secondary);
}

/* Countdown Screen */
#countdown-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 600; /* Above milestone progress bar */
}

.countdown-number {
    font-size: clamp(5rem, 25vw, 12rem);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-pink), var(--color-lavender), var(--color-mint));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: countdownPulse 1s ease-in-out;
}

@keyframes countdownPulse {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Milestone Progress Bar */
.milestone-progress {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 500;
}

.milestone-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
    text-align: center;
}

.milestone-bar {
    width: 100%;
    height: 8px;
    background: rgba(200, 200, 200, 0.3);
    border-radius: 8px;
    overflow: hidden;
}

.milestone-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-pink), var(--color-lavender), var(--color-mint));
    transition: width 0.5s ease;
    border-radius: 8px;
}

/* Achievement Toast */
.achievement-toast {
    position: absolute;
    top: 180px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-12) var(--space-16);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.95), rgba(255, 182, 193, 0.95));
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.5);
    min-width: 300px;
    max-width: 400px;
    opacity: 0;
    transition: all 0.5s ease;
    z-index: 1000;
}

.achievement-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    animation: achievementBounce 0.6s ease;
}

@keyframes achievementBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.achievement-icon {
    font-size: var(--font-size-3xl);
}

.achievement-info {
    flex: 1;
}

.achievement-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.achievement-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Enhanced Pause Menu */
.pause-stats {
    display: flex;
    justify-content: space-around;
    margin: var(--space-24) 0;
    padding: var(--space-16);
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.1), rgba(221, 160, 221, 0.1));
    border-radius: var(--radius-lg);
}

.pause-stat {
    text-align: center;
}

.pause-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.pause-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-pink);
}

.pause-controls-reminder {
    margin: var(--space-24) 0;
    padding: var(--space-16);
    background: linear-gradient(135deg, rgba(144, 238, 144, 0.1), rgba(176, 224, 230, 0.1));
    border-radius: var(--radius-lg);
    text-align: left;
}

.pause-controls-reminder h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-12);
    text-align: center;
}

.pause-control-item {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-8) 0;
}

.pause-control-item .key {
    display: inline-block;
    padding: var(--space-4) var(--space-8);
    background: linear-gradient(135deg, var(--color-mint), var(--color-lavender));
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-bold);
    min-width: 50px;
    text-align: center;
}

/* Menu buttons layout */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
    margin: var(--space-16) 0;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .screen {
        padding: var(--space-8);
    }
    
    .tutorial-section {
        padding: var(--space-8);
        margin-bottom: var(--space-12);
    }
    
    .tutorial-section h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .tutorial-section p {
        font-size: var(--font-size-sm);
        line-height: 1.4;
    }
    
    .tutorial-control {
        flex-direction: row;
        align-items: center;
        gap: var(--space-8);
    }
    
    .control-keys {
        flex-shrink: 0;
    }
    
    .control-keys .key {
        padding: var(--space-4) var(--space-8);
        font-size: var(--font-size-xs);
        min-width: 40px;
    }
    
    .settings-content {
        padding: var(--space-4) var(--space-8);
        max-height: 55vh;
    }
    
    .setting-item {
        padding: var(--space-8) var(--space-12);
        flex-wrap: nowrap;
        min-height: 48px;
        margin-bottom: var(--space-8);
    }
    
    .setting-item label {
        font-size: var(--font-size-sm);
        line-height: 1.2;
    }
    
    .milestone-progress {
        top: 100px;
        width: 85%;
        max-width: 320px;
        padding: var(--space-6);
    }
    
    .milestone-label {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-2);
    }
    
    .milestone-bar {
        height: 6px;
    }
    
    .achievement-toast {
        min-width: 260px;
        top: 200px;
        padding: var(--space-8) var(--space-12);
    }
    
    .tutorial-content {
        max-height: 50vh;
        overflow-y: auto;
        padding: 0;
    }
    
    .leaderboard-content {
        max-height: 55vh;
        overflow-y: auto;
    }
    
    .leaderboard-tabs {
        gap: var(--space-4);
        margin-bottom: var(--space-12);
    }
    
    .leaderboard-tab {
        padding: var(--space-8);
        font-size: var(--font-size-xs);
    }
    
    .menu-content {
        padding: var(--space-10);
        max-height: 92vh;
        max-width: 96vw;
        border-radius: 20px;
    }
    
    .menu-content::before {
        border-radius: 20px;
    }
    
    .game-title {
        font-size: clamp(1.5rem, 8vw, 2.2rem);
        margin-bottom: var(--space-4);
        line-height: 1.1;
    }
    
    .game-subtitle {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-8);
    }
    
    .character-preview {
        margin: var(--space-8) 0;
    }
    
    .bunny-icon {
        font-size: 3rem;
    }
    
    .sparkles {
        font-size: var(--font-size-lg);
    }
    
    .difficulty-selection {
        margin: var(--space-8) 0;
    }
    
    .difficulty-title {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-8);
    }
    
    .difficulty-display {
        padding: var(--space-8);
    }
    
    .difficulty-icon {
        font-size: 2rem;
    }
    
    .difficulty-name {
        font-size: var(--font-size-base);
    }
    
    .difficulty-desc {
        font-size: var(--font-size-xs);
    }
    
    .best-score-display {
        margin-top: var(--space-8);
        font-size: var(--font-size-sm);
    }
    
    .menu-buttons {
        gap: var(--space-6);
        margin: var(--space-8) 0;
    }
    
    .btn {
        padding: var(--space-8) var(--space-12);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    
    .btn--primary {
        font-size: var(--font-size-base);
        padding: var(--space-10) var(--space-16);
    }
    
    h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-8);
    }
    
    h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-6);
    }
    
    p {
        font-size: var(--font-size-sm);
        line-height: 1.4;
    }
}

/* Error Screen */
#error-screen {
    background: rgba(0, 0, 0, 0.95);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--space-16);
}

.error-details {
    margin: var(--space-16) 0;
    padding: var(--space-12);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    max-height: 200px;
    overflow-y: auto;
    text-align: left;
}

/* PWA Install Prompt */
.install-prompt-content {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.install-icon {
    font-size: var(--font-size-3xl);
}

.install-text {
    flex: 1;
}

.install-text strong {
    display: block;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
}

.install-text p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.install-buttons {
    display: flex;
    gap: var(--space-8);
    flex-direction: column;
}

@media (min-width: 480px) {
    .install-buttons {
        flex-direction: row;
    }
}