/* GeoGames - Global Styles and Design Tokens */

:root {
  /* Colors - Light Mode */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-accent: #ec4899;

  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-elevated: #ffffff;

  --color-text: #0f172a;
  --color-text-secondary: #64748b;
  --color-text-light: #94a3b8;

  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --landing-edge: #eef0f4;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-bg-elevated: #1e293b;

  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-light: #94a3b8;

  --color-border: #334155;
  --color-border-light: #1e293b;

  --landing-edge: #080e1c;

  --color-primary: #818cf8;
  --color-primary-dark: #6366f1;
  --color-primary-light: #a5b4fc;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

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-base); }

p {
  margin-bottom: var(--space-md);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Buttons */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  background-color: var(--color-primary);
  color: white;
}

button:focus-visible,
.btn:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

button:hover, .btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

button:active, .btn:active {
  transform: translateY(0);
}

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

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

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

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-lg);
}

/* Cards */
.card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary-light);
}

.card-clickable {
  cursor: pointer;
}

/* Layout utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* Header */
header {
  background-color: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  min-height: 64px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.logo-icon {
  font-size: var(--font-size-3xl);
  line-height: 1;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 56px;
  height: 28px;
  background-color: var(--color-bg-tertiary);
  border-radius: 14px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base);
  padding: 0;
  overflow: hidden;
}

.theme-toggle:hover {
  background-color: var(--color-border);
}

.theme-toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background-color: var(--color-bg);
  border-radius: 50%;
  transition: transform var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .theme-toggle-slider {
  transform: translateX(28px);
}

.theme-icon {
  display: none;
}

.theme-icon.active {
  display: block;
}

/* Floating Theme Toggle */
.theme-toggle-floating {
  position: fixed;
  bottom: calc(var(--space-xl) + 5px);
  right: calc(var(--space-xl) - 10px);
  width: 56px;
  height: 56px;
  background-color: var(--color-bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  z-index: 1000;
  padding: 0;
  color: var(--color-text);
}

.theme-toggle-floating:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.theme-toggle-floating .theme-icon {
  display: none;
  line-height: 1;
}

.theme-toggle-floating .theme-icon.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-floating .theme-icon svg {
  width: 24px;
  height: 24px;
}

/* Floating Sound Toggle */
.sound-toggle-floating {
  position: fixed;
  bottom: calc(var(--space-xl) + 56px + var(--space-sm) + 5px);
  right: calc(var(--space-xl) - 10px);
  width: 56px;
  height: 56px;
  background-color: var(--color-bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 0;
  color: var(--color-text);
}

.sound-toggle-floating:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.sound-toggle-floating .sound-icon {
  display: none;
  line-height: 1;
}

.sound-toggle-floating .sound-icon.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sound-toggle-floating .sound-icon svg {
  width: 24px;
  height: 24px;
}

/* Footer */
footer {
  position: fixed;
  bottom: var(--space-sm);
  left: 0;
  right: 0;
  background-color: transparent;
  border-top: none;
  text-align: right;
  padding-right: var(--space-lg);
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  pointer-events: none;
  z-index: 10;
}

footer a {
  pointer-events: auto;
}

footer a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

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

.pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .header-left {
    gap: var(--space-md);
  }

  .logo {
    font-size: var(--font-size-lg);
  }

  .logo-icon {
    font-size: var(--font-size-2xl);
  }

  .theme-toggle-floating {
    bottom: calc(var(--space-lg) + 5px);
    right: calc(var(--space-lg) - 10px);
    width: 48px;
    height: 48px;
  }

  .sound-toggle-floating {
    bottom: calc(var(--space-lg) + 48px + var(--space-sm) + 5px);
    right: calc(var(--space-lg) - 10px);
    width: 48px;
    height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}