/* ============================================
   UNIFIED DESIGN SYSTEM - CollegeConsult
   ============================================ */

/* === TAILWIND INTEGRATION === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined');

/* === CSS VARIABLES === */
:root {
  /* Primary Colors */
  --primary: #00D2D3;
  /* Bright Teal */
  --primary-dark: #00B8B9;
  --primary-light: #E0F7FA;
  --secondary: #2E3A59;
  /* Deep Navy for contrast */
  --accent: #FF6B6B;
  /* Vibrant Coral */
  --background-light: #F4F9F9;
  /* Minty White */
  --background-dark: #0F172A;
  --text-light: #334155;
  --text-dark: #F1F5F9;
  --card-light: #FFFFFF;
  --card-dark: #1E293B;
  --success: #00C853;
  --warning: #FFAB00;
  --danger: #FF3D00;
  --color-info: #2196F3;

  /* Background Colors - Light Mode */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F6F7F8;
  --bg-tertiary: #E8EAED;

  /* Text Colors - Light Mode */
  --text-primary: #212529;
  --text-secondary: #6C757D;
  --text-tertiary: #ADB5BD;

  /* Border Colors */
  --border-light: #E0E0E0;
  --border-medium: #CED4DA;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-medium: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

/* Dark Mode Variables */
.dark {
  --bg-primary: #101922;
  --bg-secondary: #1A2633;
  --bg-tertiary: #2C3A47;

  --text-primary: #E0E0E0;
  --text-secondary: #B0B8C1;
  --text-tertiary: #8A95A5;

  --border-light: #2C3A47;
  --border-medium: #3A4956;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* === BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }

  100% {
    background-position: 1000px 0;
  }
}

/* === UTILITY CLASSES === */
.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-in {
  animation: slideInFromLeft 0.5s ease-out;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* === CUSTOM SCROLLBAR === */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* === MATERIAL ICONS === */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
  vertical-align: middle;
}

/* === FOCUS STYLES === */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* === SELECTION === */
::selection {
  background-color: var(--color-primary);
  color: white;
}