/* ================================================================
   RAThoster - Main Design System
   Premium Dark Theme Hosting Platform
   ================================================================ */

/* ----------------------------------------------------------------
   Google Fonts Import
   ---------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ----------------------------------------------------------------
   CSS Reset / Normalize
   ---------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background-color 0.4s ease;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* ----------------------------------------------------------------
   Theme System - CSS Custom Properties
   ---------------------------------------------------------------- */

/* Default Theme: Purple / Cyan */
:root,
[data-theme="default"] {
  /* Primary palette */
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --primary-rgb: 124, 58, 237;
  --secondary: #06b6d4;
  --secondary-light: #22d3ee;
  --secondary-dark: #0891b2;
  --secondary-rgb: 6, 182, 212;
  --accent: #8b5cf6;
  --accent-light: #c4b5fd;
  --accent-rgb: 139, 92, 246;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --gradient-primary-hover: linear-gradient(135deg, #6d28d9 0%, #0891b2 100%);
  --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 50%, #7c3aed 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --gradient-text: linear-gradient(135deg, #a78bfa 0%, #22d3ee 50%, #8b5cf6 100%);
  --gradient-card: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.15) 0%, transparent 70%);

  /* Backgrounds */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-card-solid: #1e293b;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --bg-glass-active: rgba(255, 255, 255, 0.12);
  --bg-input: rgba(15, 23, 42, 0.6);
  --bg-hover: rgba(255, 255, 255, 0.05);
  --bg-code: rgba(0, 0, 0, 0.3);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;
  --text-inverse: #0f172a;
  --text-link: var(--primary-light);

  /* Borders */
  --border: rgba(255, 255, 255, 0.1);
  --border-light: rgba(255, 255, 255, 0.05);
  --border-focus: var(--primary);
  --border-hover: rgba(255, 255, 255, 0.2);

  /* Status Colors */
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --success-border: rgba(34, 197, 94, 0.3);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --danger-border: rgba(239, 68, 68, 0.3);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: rgba(245, 158, 11, 0.3);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --info-border: rgba(59, 130, 246, 0.3);

  /* Spacing Scale (4px base) */
  --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-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 Tokens */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(var(--primary-rgb), 0.3);
  --shadow-glow-lg: 0 0 40px rgba(var(--primary-rgb), 0.4), 0 0 80px rgba(var(--primary-rgb), 0.1);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-toast: 800;
  --z-max: 9999;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Navbar */
  --navbar-height: 72px;

  /* Sidebar */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 72px;
}

/* Ocean Theme: Blue / Teal */
[data-theme="ocean"] {
  --primary: #0284c7;
  --primary-light: #38bdf8;
  --primary-dark: #0369a1;
  --primary-rgb: 2, 132, 199;
  --secondary: #14b8a6;
  --secondary-light: #2dd4bf;
  --secondary-dark: #0d9488;
  --secondary-rgb: 20, 184, 166;
  --accent: #0ea5e9;
  --accent-light: #7dd3fc;
  --accent-rgb: 14, 165, 233;
  --gradient-primary: linear-gradient(135deg, #0284c7 0%, #14b8a6 100%);
  --gradient-primary-hover: linear-gradient(135deg, #0369a1 0%, #0d9488 100%);
  --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #14b8a6 50%, #0284c7 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #0c2d48 50%, #0f172a 100%);
  --gradient-text: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 50%, #0ea5e9 100%);
  --gradient-card: linear-gradient(135deg, rgba(2, 132, 199, 0.1) 0%, rgba(20, 184, 166, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(2, 132, 199, 0.15) 0%, transparent 70%);
  --shadow-glow: 0 0 20px rgba(2, 132, 199, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(2, 132, 199, 0.4), 0 0 80px rgba(2, 132, 199, 0.1);
}

/* Sunset Theme: Orange / Pink */
[data-theme="sunset"] {
  --primary: #ea580c;
  --primary-light: #fb923c;
  --primary-dark: #c2410c;
  --primary-rgb: 234, 88, 12;
  --secondary: #e11d48;
  --secondary-light: #fb7185;
  --secondary-dark: #be123c;
  --secondary-rgb: 225, 29, 72;
  --accent: #f97316;
  --accent-light: #fdba74;
  --accent-rgb: 249, 115, 22;
  --gradient-primary: linear-gradient(135deg, #ea580c 0%, #e11d48 100%);
  --gradient-primary-hover: linear-gradient(135deg, #c2410c 0%, #be123c 100%);
  --gradient-accent: linear-gradient(135deg, #f97316 0%, #e11d48 50%, #ea580c 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #2a1215 50%, #0f172a 100%);
  --gradient-text: linear-gradient(135deg, #fb923c 0%, #fb7185 50%, #f97316 100%);
  --gradient-card: linear-gradient(135deg, rgba(234, 88, 12, 0.1) 0%, rgba(225, 29, 72, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(234, 88, 12, 0.15) 0%, transparent 70%);
  --shadow-glow: 0 0 20px rgba(234, 88, 12, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(234, 88, 12, 0.4), 0 0 80px rgba(234, 88, 12, 0.1);
}

/* Forest Theme: Green / Emerald */
[data-theme="forest"] {
  --primary: #16a34a;
  --primary-light: #4ade80;
  --primary-dark: #15803d;
  --primary-rgb: 22, 163, 74;
  --secondary: #059669;
  --secondary-light: #34d399;
  --secondary-dark: #047857;
  --secondary-rgb: 5, 150, 105;
  --accent: #10b981;
  --accent-light: #6ee7b7;
  --accent-rgb: 16, 185, 129;
  --gradient-primary: linear-gradient(135deg, #16a34a 0%, #059669 100%);
  --gradient-primary-hover: linear-gradient(135deg, #15803d 0%, #047857 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #059669 50%, #16a34a 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #0a2118 50%, #0f172a 100%);
  --gradient-text: linear-gradient(135deg, #4ade80 0%, #34d399 50%, #10b981 100%);
  --gradient-card: linear-gradient(135deg, rgba(22, 163, 74, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(22, 163, 74, 0.15) 0%, transparent 70%);
  --shadow-glow: 0 0 20px rgba(22, 163, 74, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(22, 163, 74, 0.4), 0 0 80px rgba(22, 163, 74, 0.1);
}

/* Crimson Theme: Red / Gold */
[data-theme="crimson"] {
  --primary: #dc2626;
  --primary-light: #f87171;
  --primary-dark: #b91c1c;
  --primary-rgb: 220, 38, 38;
  --secondary: #d97706;
  --secondary-light: #fbbf24;
  --secondary-dark: #b45309;
  --secondary-rgb: 217, 119, 6;
  --accent: #ef4444;
  --accent-light: #fca5a5;
  --accent-rgb: 239, 68, 68;
  --gradient-primary: linear-gradient(135deg, #dc2626 0%, #d97706 100%);
  --gradient-primary-hover: linear-gradient(135deg, #b91c1c 0%, #b45309 100%);
  --gradient-accent: linear-gradient(135deg, #ef4444 0%, #d97706 50%, #dc2626 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #2a1215 50%, #0f172a 100%);
  --gradient-text: linear-gradient(135deg, #f87171 0%, #fbbf24 50%, #ef4444 100%);
  --gradient-card: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
  --shadow-glow: 0 0 20px rgba(220, 38, 38, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(220, 38, 38, 0.4), 0 0 80px rgba(220, 38, 38, 0.1);
}

/* ----------------------------------------------------------------
   Typography
   ---------------------------------------------------------------- */
h1 { font-size: var(--text-5xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); letter-spacing: -0.02em; }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

@media (max-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
  h4 { font-size: var(--text-lg); }
}

small { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* ----------------------------------------------------------------
   Layout - Container & Grid
   ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.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; }

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

.col { grid-column: span 12; }
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

@media (max-width: 768px) {
  .row { gap: var(--space-4); }
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    grid-column: span 12;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .col-md-6 { grid-column: span 6; }
  .col-md-4 { grid-column: span 4; }
  .col-md-3 { grid-column: span 3; }
  .col-md-8 { grid-column: span 8; }
}

/* ----------------------------------------------------------------
   Buttons
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.5rem;
  font-family: 'Inter', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

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

.btn:active {
  transform: scale(0.97);
}

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

.btn:disabled::before {
  display: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md), 0 0 20px rgba(var(--primary-rgb), 0.2);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--primary-rgb), 0.3);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  color: var(--primary-light);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
}

.btn-danger:hover {
  background: #dc2626;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(239, 68, 68, 0.3);
  transform: translateY(-2px);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border: none;
}

.btn-success:hover {
  background: #16a34a;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(34, 197, 94, 0.3);
  transform: translateY(-2px);
  color: #fff;
}

.btn-warning {
  background: var(--warning);
  color: #000;
  border: none;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-2px);
  color: #000;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
}

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

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: 1rem 2.5rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
  width: 32px;
  height: 32px;
}

.btn-icon.btn-lg {
  width: 48px;
  height: 48px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-group {
  display: inline-flex;
  gap: 0;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-loading {
  pointer-events: none;
  opacity: 0.8;
}

/* ----------------------------------------------------------------
   Cards - Glassmorphism
   ---------------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

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

.card-header {
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3,
.card-header h4,
.card-header h5 {
  margin: 0;
}

.card-body {
  flex: 1;
}

.card-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.card-flat {
  backdrop-filter: none;
  background: var(--bg-card-solid);
}

.card-flat:hover {
  transform: none;
}

.card-interactive:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* ----------------------------------------------------------------
   Forms
   ---------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:hover {
  border-color: var(--border-hover);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
  background: var(--bg-secondary);
}

.form-control.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control.is-valid {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-text {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.form-error {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--danger);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.input-group .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-icon-wrapper {
  position: relative;
}

.input-icon-wrapper .form-control {
  padding-left: 2.75rem;
}

.input-icon-wrapper .input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--text-sm);
  pointer-events: none;
}

/* ----------------------------------------------------------------
   Alerts
   ---------------------------------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.5;
  animation: slideDown 0.3s ease;
}

.alert i {
  margin-top: 2px;
  font-size: var(--text-base);
}

.alert-content {
  flex: 1;
}

.alert-close {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  color: inherit;
  font-size: var(--text-base);
}

.alert-close:hover {
  opacity: 1;
}

.alert-success {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}

.alert-danger {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger);
}

.alert-warning {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning);
}

.alert-info {
  background: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info);
}

/* ----------------------------------------------------------------
   Badges
   ---------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2em 0.65em;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-light);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ----------------------------------------------------------------
   Tables
   ---------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

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

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

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

.table-striped tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.table-striped tbody tr:nth-child(even):hover {
  background: var(--bg-hover);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ----------------------------------------------------------------
   Modal
   ---------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-base);
  position: relative;
  z-index: var(--z-modal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.modal-header h3,
.modal-header h4 {
  margin: 0;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-size: var(--text-lg);
}

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

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
}

.modal-lg {
  max-width: 800px;
}

.modal-sm {
  max-width: 400px;
}

/* ----------------------------------------------------------------
   Dropdown
   ---------------------------------------------------------------- */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  padding: var(--space-1);
  overflow: hidden;
}

.dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

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

.dropdown-item i {
  width: 16px;
  text-align: center;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-1) 0;
}

/* ----------------------------------------------------------------
   Pagination
   ---------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination-item:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.pagination-item.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

.pagination-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ----------------------------------------------------------------
   Toast Notifications
   ---------------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + var(--space-4));
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 420px;
  width: 100%;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  animation: slideInRight 0.3s ease;
  pointer-events: auto;
  position: relative;
  overflow: hidden;
}

.toast::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--primary);
  animation: toastTimer var(--toast-duration, 5s) linear forwards;
}

.toast-icon {
  font-size: var(--text-lg);
  margin-top: 1px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

.toast-close {
  flex-shrink: 0;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-sm);
}

.toast-close:hover {
  color: var(--text-primary);
}

.toast-success { border-left: 3px solid var(--success); }
.toast-success .toast-icon { color: var(--success); }
.toast-success::after { background: var(--success); }

.toast-danger { border-left: 3px solid var(--danger); }
.toast-danger .toast-icon { color: var(--danger); }
.toast-danger::after { background: var(--danger); }

.toast-warning { border-left: 3px solid var(--warning); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-warning::after { background: var(--warning); }

.toast-info { border-left: 3px solid var(--info); }
.toast-info .toast-icon { color: var(--info); }
.toast-info::after { background: var(--info); }

.toast.toast-exit {
  animation: slideOutRight 0.3s ease forwards;
}

@keyframes toastTimer {
  from { width: 100%; }
  to { width: 0%; }
}

@media (max-width: 768px) {
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
  }
}

/* ----------------------------------------------------------------
   Navbar
   ---------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--text-primary);
  flex-shrink: 0;
}

.navbar-brand img {
  height: 36px;
  width: auto;
}

.navbar-brand .brand-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.navbar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.navbar-nav .nav-link.active {
  color: var(--primary-light);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-6);
}

.navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-primary);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.navbar-toggle:hover {
  background: var(--bg-glass-hover);
}

/* Hamburger icon */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar-toggle.active .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar-toggle.active .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Notification bell */
.notification-bell {
  position: relative;
  cursor: pointer;
}

.notification-bell .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--danger);
  color: #fff;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 var(--space-4);
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6);
    gap: var(--space-1);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .navbar-nav.active {
    transform: translateX(0);
  }

  .navbar-nav .nav-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
  }

  .navbar-actions {
    margin-left: auto;
    gap: var(--space-2);
  }
}

/* ----------------------------------------------------------------
   Sidebar (Admin)
   ---------------------------------------------------------------- */
.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  z-index: var(--z-sticky);
  overflow-y: auto;
  overflow-x: hidden;
  transition: width var(--transition-base);
  display: flex;
  flex-direction: column;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-3);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-4);
}

.sidebar-section-title {
  padding: var(--space-2) var(--space-3);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  margin-bottom: 2px;
}

.sidebar-link i {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-size: var(--text-base);
}

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

.sidebar-link.active {
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary-light);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.sidebar-link .badge {
  margin-left: auto;
}

.sidebar.collapsed .sidebar-section-title,
.sidebar.collapsed .sidebar-link span,
.sidebar.collapsed .sidebar-link .badge {
  display: none;
}

.sidebar.collapsed .sidebar-link {
  justify-content: center;
  padding: var(--space-3);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border);
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
}

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

/* Main content with sidebar */
.main-content {
  margin-left: var(--sidebar-width);
  padding: calc(var(--navbar-height) + var(--space-6)) var(--space-6) var(--space-6);
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
    z-index: var(--z-modal);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar.collapsed {
    width: var(--sidebar-width);
  }

  .main-content,
  .sidebar.collapsed ~ .main-content {
    margin-left: 0;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* ----------------------------------------------------------------
   Footer
   ---------------------------------------------------------------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-description {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ----------------------------------------------------------------
   Hero Section
   ---------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--navbar-height) + var(--space-16)) var(--space-6) var(--space-16);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-bg);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  animation: float 8s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--primary-light);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 900;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
    padding: calc(var(--navbar-height) + var(--space-10)) var(--space-4) var(--space-10);
  }
  .hero-title {
    font-size: var(--text-4xl);
  }
  .hero-subtitle {
    font-size: var(--text-base);
  }
}

/* ----------------------------------------------------------------
   Pricing Cards
   ---------------------------------------------------------------- */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  backdrop-filter: blur(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
  border-color: rgba(var(--primary-rgb), 0.3);
}

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

.pricing-card.popular {
  border-color: rgba(var(--primary-rgb), 0.3);
  background: var(--gradient-card);
}

.pricing-card.popular::before {
  opacity: 1;
}

.pricing-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--gradient-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-name {
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.pricing-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.pricing-price {
  margin-bottom: var(--space-6);
}

.pricing-amount {
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--text-primary);
}

.pricing-currency {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  vertical-align: super;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-feature i {
  color: var(--success);
  font-size: var(--text-sm);
  width: 16px;
  text-align: center;
}

.pricing-feature.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

.pricing-feature.disabled i {
  color: var(--text-muted);
}

/* ----------------------------------------------------------------
   Stat Cards (Dashboard)
   ---------------------------------------------------------------- */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  backdrop-filter: blur(20px);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.stat-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
}

.stat-card-icon.primary {
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary-light);
}

.stat-card-icon.success {
  background: var(--success-bg);
  color: var(--success);
}

.stat-card-icon.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.stat-card-icon.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.stat-card-icon.info {
  background: var(--info-bg);
  color: var(--info);
}

.stat-card-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.stat-card-value {
  font-family: 'Outfit', sans-serif;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-card-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  margin-top: var(--space-2);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stat-card-change.positive {
  color: var(--success);
  background: var(--success-bg);
}

.stat-card-change.negative {
  color: var(--danger);
  background: var(--danger-bg);
}

/* ----------------------------------------------------------------
   Breadcrumb
   ---------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
  color: var(--text-secondary);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

/* ----------------------------------------------------------------
   Tabs
   ---------------------------------------------------------------- */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  text-decoration: none;
}

.tab-item:hover {
  color: var(--text-primary);
}

.tab-item.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

/* ----------------------------------------------------------------
   Search Box
   ---------------------------------------------------------------- */
.search-box {
  position: relative;
  max-width: 400px;
}

.search-box .form-control {
  padding-left: 2.75rem;
  padding-right: 2.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
}

.search-box .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--text-sm);
  pointer-events: none;
}

.search-box .search-clear {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.search-box .form-control:not(:placeholder-shown) ~ .search-clear {
  opacity: 1;
}

/* ----------------------------------------------------------------
   Avatar
   ---------------------------------------------------------------- */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 56px;
  height: 56px;
}

.avatar-xl {
  width: 80px;
  height: 80px;
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-sm);
}

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  margin-left: -8px;
  border: 2px solid var(--bg-primary);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ----------------------------------------------------------------
   Tooltip
   ---------------------------------------------------------------- */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-1) var(--space-3);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.tooltip-bottom::after {
  bottom: auto;
  top: calc(100% + 8px);
}

/* ----------------------------------------------------------------
   Progress Bar
   ---------------------------------------------------------------- */
.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* ----------------------------------------------------------------
   Skeleton Loader
   ---------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    rgba(255, 255, 255, 0.05) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-sm);
}

.skeleton-text:last-child {
  width: 70%;
}

.skeleton-title {
  height: 24px;
  width: 50%;
  margin-bottom: var(--space-4);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-lg);
}

.skeleton-btn {
  height: 40px;
  width: 120px;
  border-radius: var(--radius-md);
}

/* ----------------------------------------------------------------
   Page Header / Content Area
   ---------------------------------------------------------------- */
.page-header {
  padding-top: calc(var(--navbar-height) + var(--space-10));
  padding-bottom: var(--space-10);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0.5;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.page-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.content-area {
  padding: var(--space-10) 0;
}

/* ----------------------------------------------------------------
   Section
   ---------------------------------------------------------------- */
.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ----------------------------------------------------------------
   Empty State
   ---------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: var(--text-6xl);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.empty-state p {
  max-width: 400px;
  margin: 0 auto var(--space-6);
}

/* ----------------------------------------------------------------
   Utility Classes
   ---------------------------------------------------------------- */

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }
.d-inline { display: inline !important; }

/* Flexbox */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.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-end { justify-content: flex-end; }
.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-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Width & Height */
.w-100 { width: 100%; }
.w-auto { width: auto; }
.h-100 { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* Margin utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-auto { margin-right: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--space-1); margin-right: var(--space-1); }
.mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
.mx-3 { margin-left: var(--space-3); margin-right: var(--space-3); }
.mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
.mx-5 { margin-left: var(--space-5); margin-right: var(--space-5); }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--space-1); margin-bottom: var(--space-1); }
.my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
.my-3 { margin-top: var(--space-3); margin-bottom: var(--space-3); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-5 { margin-top: var(--space-5); margin-bottom: var(--space-5); }

/* Padding utilities */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }
.pl-5 { padding-left: var(--space-5); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }
.pr-5 { padding-right: var(--space-5); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }

/* Border radius */
.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }
.rounded-none { border-radius: 0; }

/* Shadows */
.shadow { box-shadow: var(--shadow-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

/* Text colors */
.text-primary { color: var(--text-primary) !important; }
.text-secondary-color { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-theme { color: var(--primary-light) !important; }

/* Gradient text */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism utility */
.glassmorphism {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

/* Truncate */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Opacity */
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Transition */
.transition { transition: all var(--transition-base); }

/* Border */
.border { border: 1px solid var(--border); }
.border-top { border-top: 1px solid var(--border); }
.border-bottom { border-bottom: 1px solid var(--border); }
.border-none { border: none; }

/* ----------------------------------------------------------------
   Back to Top Button
   ---------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  z-index: var(--z-sticky);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-lg);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: var(--shadow-glow-lg);
  transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   Responsive utilities
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
  .d-mobile-none { display: none !important; }
  .d-mobile-block { display: block !important; }
  .d-mobile-flex { display: flex !important; }
  .text-mobile-center { text-align: center; }
}

@media (min-width: 769px) {
  .d-desktop-none { display: none !important; }
  .d-desktop-block { display: block !important; }
  .d-desktop-flex { display: flex !important; }
}

/* ----------------------------------------------------------------
   Animations - Keyframes
   ---------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

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

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

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

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

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ----------------------------------------------------------------
   Animation Utility Classes
   ---------------------------------------------------------------- */
.animate-fade-in {
  animation: fadeIn 0.5s ease both;
}

.animate-slide-up {
  animation: slideUp 0.6s ease both;
}

.animate-slide-down {
  animation: slideDown 0.6s ease both;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease both;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease both;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-bounce-in {
  animation: bounceIn 0.6s ease both;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ----------------------------------------------------------------
   Divider
   ---------------------------------------------------------------- */
.divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-6) 0;
}

.divider-vertical {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

/* ----------------------------------------------------------------
   Confirm dialog
   ---------------------------------------------------------------- */
.confirm-dialog {
  text-align: center;
}

.confirm-dialog-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.confirm-dialog-icon.danger { color: var(--danger); }
.confirm-dialog-icon.warning { color: var(--warning); }

.confirm-dialog h3 {
  margin-bottom: var(--space-3);
}

.confirm-dialog p {
  margin-bottom: var(--space-6);
}

.confirm-dialog-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

/* ----------------------------------------------------------------
   Image preview
   ---------------------------------------------------------------- */
.image-preview-container {
  position: relative;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.image-preview-container:hover {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
}

.image-preview-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-preview-placeholder {
  text-align: center;
  color: var(--text-muted);
}

.image-preview-placeholder i {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.image-preview-placeholder p {
  font-size: var(--text-xs);
  margin: 0;
}

/* ----------------------------------------------------------------
   Print styles
   ---------------------------------------------------------------- */
@media print {
  .navbar,
  .sidebar,
  .back-to-top,
  .toast-container,
  .modal-overlay {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .main-content {
    margin-left: 0 !important;
  }
}