/*
 * Semantic CSS Variables for Chrome DevTools MCP Server Website
 * Naming Convention: --[category]-[element]-[property]-[state]
 * Categories: color, typography, spacing, shadows, transitions, animations
 */

:root {
  /* Brand Colors */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;

  --color-secondary-50: #f8fafc;
  --color-secondary-100: #f1f5f9;
  --color-secondary-200: #e2e8f0;
  --color-secondary-300: #cbd5e1;
  --color-secondary-400: #94a3b8;
  --color-secondary-500: #64748b;
  --color-secondary-600: #475569;
  --color-secondary-700: #334155;
  --color-secondary-800: #1e293b;
  --color-secondary-900: #0f172a;

  --color-accent-50: #fef3c7;
  --color-accent-100: #fde68a;
  --color-accent-200: #fcd34d;
  --color-accent-300: #fbbf24;
  --color-accent-400: #f59e0b;
  --color-accent-500: #f59e0b;
  --color-accent-600: #d97706;
  --color-accent-700: #b45309;
  --color-accent-800: #92400e;
  --color-accent-900: #78350f;

  /* Surface Colors */
  --color-surface-base: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-surface-overlay: #ffffff;
  --color-surface-inverse: #ffffff;

  /* Text Colors */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;
  --color-text-inverse: #ffffff;
  --color-text-on-primary: #ffffff;
  --color-text-on-secondary: #ffffff;
  --color-text-disabled: #cbd5e1;

  /* Border Colors */
  --color-border-primary: #e2e8f0;
  --color-border-secondary: #cbd5e1;
  --color-border-focus: #3b82f6;
  --color-border-hover: #94a3b8;

  /* Status Colors */
  --color-success-50: #f0fdf4;
  --color-success-500: #22c55e;
  --color-success-700: #15803d;
  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-700: #a16207;
  --color-error-50: #fef2f2;
  --color-error-500: #ef4444;
  --color-error-700: #b91c1c;
  --color-info-50: #eff6ff;
  --color-info-500: #3b82f6;
  --color-info-700: #1d4ed8;

  /* Typography - System fonts only */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans CJK SC', 'WenQuanYi Micro Hei', sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'Cascadia Code', 'Fira Code', monospace;

  --font-size-xs: 0.75rem;
  --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;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-duration-fast: 150ms;
  --transition-duration-normal: 300ms;
  --transition-duration-slow: 500ms;
  --transition-timing-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --transition-timing-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --transition-timing-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  --z-index-toast: 1080;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  /* Surface Colors */
  --color-surface-base: #0f172a;
  --color-surface-elevated: #1e293b;
  --color-surface-overlay: #334155;
  --color-surface-inverse: #0f172a;

  /* Text Colors */
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #0f172a;

  /* Border Colors */
  --color-border-primary: #334155;
  --color-border-secondary: #475569;
  --color-border-hover: #64748b;

  /* Adjusted Brand Colors for Dark Theme */
  --color-primary-600: #60a5fa;
  --color-primary-700: #3b82f6;
  --color-primary-800: #2563eb;

  /* Adjusted Shadows for Dark Theme */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* Restore default cursor for all elements */
* {
  cursor: auto !important;
}

/* Ensure interactive elements have appropriate cursors */
[role="button"], button, a, input[type="button"], input[type="submit"], select {
  cursor: pointer !important;
}

input[type="text"], input[type="email"], input[type="password"], textarea {
  cursor: text !important;
}

/* Custom CSS Utilities */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-effect {
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass-effect {
  background-color: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hover-lift {
  transition: transform var(--transition-duration-normal) var(--transition-timing-ease-out);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.scroll-smooth {
  scroll-behavior: smooth;
}

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

  .scroll-smooth {
    scroll-behavior: auto;
  }
}

/* Focus Styles for Better Accessibility */
.focus-visible:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Navigation Header Styles */
[data-header] {
  background-color: var(--color-surface-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-primary);
}

[data-header].scrolled {
  background-color: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
  transition: background-color 0.1s ease, box-shadow 0.15s ease;
}

/* Mobile Menu Styles */
[data-navigation] {
  position: relative;
}

.mobile-menu-open {
  overflow: hidden;
}

[data-mobile-menu] {
  position: absolute;
  top: calc(100% + 1rem);
  left: 0;
  right: 0;
  width: 100%;
  transform: translateY(-1rem) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 10;
}

[data-mobile-menu].open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

/* Navigation Link Styles */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary-600) !important;
}

.nav-link.active {
  color: var(--color-primary-600) !important;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary-600);
  border-radius: 1px;
}

.nav-link:not(.active):hover {
  color: var(--color-primary-600) !important;
}

.nav-link:not(.active) {
  color: var(--color-text-primary) !important;
}

/* Dark theme navigation styles */
.dark .nav-link:hover {
  color: var(--color-primary-400) !important;
}

.dark .nav-link.active {
  color: var(--color-primary-400) !important;
}

.dark .nav-link.active::after {
  background-color: var(--color-primary-400);
}

.dark .nav-link:not(.active) {
  color: var(--color-text-primary) !important;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
}