/* css/styles.css */
:root {
  /* Color Tokens */
  --color-primary: #4a4aff;
  --color-primary-dark: #2c2cff;
  --color-secondary: #6c757d;
  --color-success: #28a745;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-info: #17a2b8;
  
  --color-text: #222;
  --color-text-muted: #666;
  --color-text-light: #888;
  
  --color-background: #f7f7fb;
  --color-card: #ffffff;
  --color-border: #dee2e6;
  
  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

[data-theme="dark"] {
  --color-primary: #7c7cff;
  --color-primary-dark: #5b5bff;
  --color-secondary: #6c757d;
  --color-success: #28a745;
  --color-danger: #ff4444;
  --color-warning: #ffc107;
  --color-info: #17a2b8;
  
  --color-text: #eaeaea;
  --color-text-muted: #888;
  --color-text-light: #aaa;
  
  --color-background: #0f0f13;
  --color-card: #1a1a20;
  --color-border: #2a2a30;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 15px rgba(255,255,255,0.05);
  --shadow-lg: 0 10px 30px rgba(255,255,255,0.08);
  --shadow-xl: 0 20px 40px rgba(255,255,255,0.1);
}

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

html {
  font-size: 16px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
  overflow-x: hidden;
}

#app {
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

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

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

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Selection */
::selection {
  background-color: rgba(74, 74, 255, 0.3);
  color: var(--color-text);
}

/* Focus Outline */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  body {
    background-color: white;
    color: black;
  }
  
  .no-print {
    display: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0000ff;
    --color-text: #000000;
    --color-background: #ffffff;
  }
}

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