/**
 * ═══════════════════════════════════════════════════════════════
 * NEDians Academy - Professional Glassmorphism Design System
 * Advanced Educational Platform with Modern Animations
 * ═══════════════════════════════════════════════════════════════
 */

/* ========================================
   IMPORTS & FONTS
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ========================================
   CSS RESET & BASE
======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* ===== Color System ===== */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.5);
  
  --secondary: #8b5cf6;
  --secondary-light: #a78bfa;
  --secondary-dark: #7c3aed;
  
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;
  
  --success: #10b981;
  --success-light: #34d399;
  --success-dark: #059669;
  
  --warning: #f59e0b;
  --warning-light: #fbbf24;
  --warning-dark: #d97706;
  
  --danger: #ef4444;
  --danger-light: #f87171;
  --danger-dark: #dc2626;
  
  --info: #3b82f6;
  --info-light: #60a5fa;
  --info-dark: #2563eb;
  
  /* ===== Background Colors (Dark Theme) ===== */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-elevated: #475569;
  
  /* ===== Glassmorphism ===== */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-medium: rgba(255, 255, 255, 0.08);
  --glass-bg-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-strong: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(20px);
  --glass-blur-strong: blur(30px);
  
  /* ===== Text Colors ===== */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;
  
  /* ===== Border & Dividers ===== */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-light: rgba(255, 255, 255, 0.15);
  --border-color-strong: rgba(255, 255, 255, 0.25);
  --divider: rgba(255, 255, 255, 0.08);
  
  /* ===== Typography ===== */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Poppins', var(--font-primary);
  
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  --font-size-6xl: 3.75rem;     /* 60px */
  --font-size-7xl: 4.5rem;      /* 72px */
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* ===== Spacing Scale ===== */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-7: 1.75rem;   /* 28px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* ===== Border Radius ===== */
  --radius-none: 0;
  --radius-sm: 0.375rem;    /* 6px */
  --radius-base: 0.5rem;    /* 8px */
  --radius-md: 0.75rem;     /* 12px */
  --radius-lg: 1rem;        /* 16px */
  --radius-xl: 1.25rem;     /* 20px */
  --radius-2xl: 1.5rem;     /* 24px */
  --radius-3xl: 2rem;       /* 32px */
  --radius-full: 9999px;
  
  /* ===== 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 -1px rgba(0, 0, 0, 0.1);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-2xl: 0 35px 60px -15px rgba(0, 0, 0, 0.6);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  
  /* ===== Glow Effects ===== */
  --glow-primary: 0 0 20px var(--primary-glow);
  --glow-secondary: 0 0 20px rgba(139, 92, 246, 0.5);
  --glow-accent: 0 0 20px rgba(6, 182, 212, 0.5);
  --glow-success: 0 0 20px rgba(16, 185, 129, 0.5);
  
  /* ===== Transitions & Animations ===== */
  --transition-fastest: 100ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 600ms cubic-bezier(0.4, 0, 0.2, 1);
  
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: 600ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* ===== Z-Index Scale ===== */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ========================================
   LIGHT THEME (Optional)
======================================== */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: #e2e8f0;
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-medium: rgba(255, 255, 255, 0.8);
  --glass-bg-strong: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-border-strong: rgba(0, 0, 0, 0.15);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #f1f5f9;
  
  --border-color: rgba(0, 0, 0, 0.1);
  --border-color-light: rgba(0, 0, 0, 0.15);
  --border-color-strong: rgba(0, 0, 0, 0.25);
}

/* ========================================
   BASE HTML & BODY STYLES - ULTRA SIMPLE
======================================== */

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) 0;
  z-index: 1000;
  transition: top var(--transition-smooth);
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  margin: 0;
  padding: 0;
  padding-top: 70px;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  animation: backgroundShift 20s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

/* REMOVED - No more page-wrapper needed */

/* Particles Canvas */
#particles-canvas,
canvas#particles-canvas {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 0 !important;
  pointer-events: none !important;
}

@keyframes backgroundShift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.8;
  }
  100% {
    transform: translate(50px, 30px) scale(1.1);
    opacity: 1;
  }
}

/* ========================================
   TYPOGRAPHY
======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: var(--font-weight-extrabold);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

h2 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

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

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

/* ========================================
   LAYOUT - CONTAINER
======================================== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }
.container-2xl { max-width: 1536px; }
.container-fluid { max-width: 100%; }

/* ========================================
   GLASSMORPHISM CARDS
======================================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.glass-card:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
  box-shadow: 
    var(--glass-shadow),
    var(--glow-primary);
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
}

.glass-card-bordered {
  border-width: 2px;
  border-color: var(--glass-border-strong);
}

.glass-card-elevated {
  box-shadow: 
    var(--shadow-xl),
    var(--glow-primary);
}

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.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 var(--transition-smooth), height var(--transition-smooth);
}

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

.btn:active {
  transform: scale(0.96);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md), var(--glow-primary);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: var(--shadow-md), var(--glow-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary));
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  box-shadow: var(--shadow-md), var(--glow-accent);
}

.btn-accent:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
  color: white;
  box-shadow: var(--shadow-md), var(--glow-success);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover:not(:disabled) {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(245, 158, 11, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-glass:hover:not(:disabled) {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-color-strong);
  color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--glass-bg);
  border-color: var(--primary);
  color: var(--primary);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-lg);
}

.btn-lg {
  padding: var(--space-6) var(--space-12);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-2xl);
}

.btn-xl {
  padding: var(--space-8) var(--space-16);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-2xl);
}

.btn-icon {
  padding: var(--space-3);
  aspect-ratio: 1;
  border-radius: var(--radius-full);
}

.btn-block {
  width: 100%;
}

/* ========================================
   FORM ELEMENTS
======================================== */
.form-group {
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.5s ease-out;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background: var(--glass-bg-medium);
  border-color: var(--primary);
  box-shadow: 
    var(--shadow-md),
    0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-color-light);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23cbd5e1' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-12);
  cursor: pointer;
}

/* Input with Icon */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-muted);
  pointer-events: none;
}

.input-group .form-input {
  padding-left: var(--space-12);
}

/* Radio & Checkbox */
.form-radio,
.form-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.form-radio input[type="radio"],
.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ========================================
   NAVIGATION BAR - ALWAYS VISIBLE
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 70px;
  z-index: 999999;
  background: rgba(15, 23, 42, 1);
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 70px;
  height: 70px;
}

.navbar-logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
  text-shadow: var(--glow-primary);
  transition: transform var(--transition-base);
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
}

.navbar-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: width var(--transition-smooth);
}

.navbar-link:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.navbar-link:hover::before {
  width: 60%;
}

.navbar-link.active {
  color: var(--primary);
  background: var(--glass-bg-medium);
}

.navbar-link.active::before {
  width: 60%;
}

/* Hamburger Menu */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: var(--z-fixed);
}

.navbar-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  transition: all var(--transition-smooth);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   BADGES & PILLS
======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info-light);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ========================================
   ALERTS
======================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  border-left: 4px solid;
  margin-bottom: var(--space-6);
  animation: slideInLeft 0.4s ease-out;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: var(--success);
  color: var(--success-light);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-left-color: var(--danger);
  color: var(--danger-light);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--warning);
  color: var(--warning-light);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-left-color: var(--info);
  color: var(--info-light);
}

/* ========================================
   TABLES
======================================== */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-2xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: var(--glass-bg-strong);
  border-bottom: 2px solid var(--border-color);
}

.table th {
  padding: var(--space-5);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table td {
  padding: var(--space-5);
  color: var(--text-primary);
  border-bottom: 1px solid var(--divider);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--glass-bg-medium);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ========================================
   LOADING STATES
======================================== */
.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg) 0%,
    var(--glass-bg-medium) 50%,
    var(--glass-bg) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-lg);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-3);
}

.skeleton-title {
  height: 2em;
  margin-bottom: var(--space-5);
  width: 60%;
}

.skeleton-card {
  height: 200px;
}

/* ========================================
   ANIMATIONS & UTILITIES
======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInDown {
  animation: fadeInDown 0.6s ease-out;
}

.animate-scaleIn {
  animation: scaleIn 0.5s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.hover-glow {
  transition: box-shadow var(--transition-smooth);
}

.hover-glow:hover {
  box-shadow: var(--glow-primary);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
  .navbar-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - 70px);
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    border-left: 1px solid var(--glass-border);
    padding: var(--space-6);
    gap: var(--space-3);
    transition: right var(--transition-smooth);
    box-shadow: var(--shadow-2xl);
    overflow-y: auto;
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-link {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-4);
  }
  
  .glass-card {
    padding: var(--space-6);
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  .btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .navbar-container {
    padding: var(--space-3) var(--space-4);
  }
  
  .glass-card {
    padding: var(--space-5);
    border-radius: var(--radius-xl);
  }
  
  .btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
  }
  
  .table th,
  .table td {
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.rounded { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

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