/*!
 * GlassMorphism.css v2.0.0
 * The Ultimate Glass Design System
 */

/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
  /* Colors */
  --glass-primary: rgba(255, 255, 255, 0.2);
  --glass-secondary: rgba(255, 255, 255, 0.1);
  --glass-light: rgba(255, 255, 255, 0.3);
  --glass-accent: rgba(102, 126, 234, 0.3);
  --glass-success: rgba(76, 175, 80, 0.3);
  --glass-warning: rgba(255, 152, 0, 0.3);
  --glass-error: rgba(244, 67, 54, 0.3);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  /* Blurs */
  --blur-sm: 5px;
  --blur-md: 10px;
  --blur-lg: 20px;

  /* Borders */
  --border-light: 1px solid rgba(255, 255, 255, 0.15);
  --border-medium: 1px solid rgba(255, 255, 255, 0.25);
  --border-strong: 1px solid rgba(255, 255, 255, 0.35);

  /* Shadows */
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.35);
  --shadow-glass-hover: 0 12px 40px 0 rgba(31, 38, 135, 0.45);
  --shadow-glass-inset: inset 0 2px 4px 0 rgba(255, 255, 255, 0.1);

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

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

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

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;

  /* Focus */
  --focus-ring: rgba(102, 126, 234, 0.4);
  --border-focus: rgba(102, 126, 234, 0.6);
}

/* Dark Theme Tokens */
[data-theme="dark"] {
  --glass-primary: rgba(0, 0, 0, 0.2);
  --glass-secondary: rgba(0, 0, 0, 0.1);
  --glass-light: rgba(0, 0, 0, 0.3);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --border-light: 1px solid rgba(255, 255, 255, 0.1);
  --border-medium: 1px solid rgba(255, 255, 255, 0.2);
  --border-strong: 1px solid rgba(255, 255, 255, 0.3);
}

/* Glass Theme Tokens (Ultra-transparent) */
[data-theme="glass"] {
  --glass-primary: rgba(255, 255, 255, 0.05);
  --glass-secondary: rgba(255, 255, 255, 0.03);
  --glass-light: rgba(255, 255, 255, 0.1);
  --border-light: 1px solid rgba(255, 255, 255, 0.08);
  --border-medium: 1px solid rgba(255, 255, 255, 0.15);
}

/* ========================================
   BASE RESET & TYPOGRAPHY
   ======================================== */

/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.5;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: background 0.5s ease;
}

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

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* Typography */
h1, .h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h2, .h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

h3, .h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

h4, .h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

h5, .h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

h6, .h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* Text Utilities */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }
.text-6xl { font-size: var(--font-size-6xl); }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--glass-accent); }

/* ========================================
   LAYOUT & CONTAINERS
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-4);
}

/* Flexbox */
.flex { display: flex; }
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Grid */
.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

.gap-0 { gap: var(--space-0); }
.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); }

/* Spacing */
.m-0 { margin: var(--space-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-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mx-0 { margin-left: var(--space-0); margin-right: var(--space-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-6 { margin-left: var(--space-6); margin-right: var(--space-6); }
.mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); }

.my-0 { margin-top: var(--space-0); margin-bottom: var(--space-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); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }

.mt-0 { margin-top: var(--space-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); }

.mb-0 { margin-bottom: var(--space-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); }

.p-0 { padding: var(--space-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); }

.px-0 { padding-left: var(--space-0); padding-right: var(--space-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); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-0 { padding-top: var(--space-0); padding-bottom: var(--space-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); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.pt-0 { padding-top: var(--space-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); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }

.pb-0 { padding-bottom: var(--space-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); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

/* ========================================
   GLASS CORE COMPONENTS
   ======================================== */

/* Base Glass Component */
.glass {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

/* Glass Modifiers */
.glass--strong {
  background: var(--glass-secondary);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: var(--border-light);
}

.glass--light {
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-strong);
}

.glass--rounded {
  border-radius: var(--radius-full);
}

.glass--elevated {
  box-shadow: var(--shadow-glass);
}

.glass--inset {
  box-shadow: var(--shadow-glass-inset);
}

/* Glass Card */
.glass-card {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-glass);
}

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

/* Glass Button */
.glass-btn {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
}

.glass-btn:hover {
  background: var(--glass-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glass);
}

.glass-btn:active {
  transform: translateY(0);
}

.glass-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
  border-color: var(--border-focus);
}

.glass-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.glass-btn--primary {
  background: var(--glass-accent);
  border: 1px solid rgba(102, 126, 234, 0.4);
}

.glass-btn--secondary {
  background: var(--glass-secondary);
  border: var(--border-light);
}

.glass-btn--success {
  background: var(--glass-success);
  border: 1px solid rgba(76, 175, 80, 0.4);
}

.glass-btn--warning {
  background: var(--glass-warning);
  border: 1px solid rgba(255, 152, 0, 0.4);
}

.glass-btn--error {
  background: var(--glass-error);
  border: 1px solid rgba(244, 67, 54, 0.4);
}

.glass-btn--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-btn--icon {
  padding: var(--space-2);
  border-radius: var(--radius-full);
}

/* Glass Input */
.glass-input {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  width: 100%;
  transition: all var(--transition-fast);
}

.glass-input::placeholder {
  color: var(--text-muted);
}

.glass-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.glass-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Glass Textarea */
.glass-textarea {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  width: 100%;
  min-height: 100px;
  resize: vertical;
  transition: all var(--transition-fast);
}

.glass-textarea::placeholder {
  color: var(--text-muted);
}

.glass-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

/* Custom Select */
.glass-select {
  position: relative;
  display: inline-block;
  width: 100%;
}

.glass-select select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) calc(var(--space-10) + var(--space-2)) var(--space-3) var(--space-4);
  color: var(--text-primary);
  width: 100%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.glass-select select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.glass-select select::-ms-expand {
  display: none;
}

.glass-select::after {
  content: "▼";
  font-size: 0.8rem;
  position: absolute;
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

.glass-select select option {
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: var(--space-2);
}

/* Dark mode select */
[data-theme="dark"] .glass-select select option {
  background: rgba(30, 30, 30, 0.95);
  color: white;
}

/* Custom Checkbox & Radio */
.glass-checkbox, .glass-radio {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2);
  cursor: pointer;
}

.glass-checkbox input, .glass-radio input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: var(--border-medium);
  margin-right: var(--space-2);
  position: relative;
  cursor: pointer;
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-fast);
}

.glass-checkbox input {
  border-radius: var(--radius-sm);
}

.glass-radio input {
  border-radius: 50%;
}

.glass-checkbox input:checked, .glass-radio input:checked {
  background: var(--glass-accent);
  border-color: rgba(102, 126, 234, 0.5);
}

.glass-checkbox input:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
}

.glass-radio input:checked::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}

/* Glass Table */
.glass-table {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  border-collapse: collapse;
  width: 100%;
  overflow: hidden;
}

.glass-table th,
.glass-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: var(--border-light);
}

.glass-table th {
  background: var(--glass-secondary);
  font-weight: var(--font-weight-semibold);
}

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

.glass-table tr:hover {
  background: var(--glass-light);
}

/* Glass Alert */
.glass-alert {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.glass-alert--success {
  border-left: 4px solid rgba(76, 175, 80, 0.6);
}

.glass-alert--warning {
  border-left: 4px solid rgba(255, 152, 0, 0.6);
}

.glass-alert--error {
  border-left: 4px solid rgba(244, 67, 54, 0.6);
}

.glass-alert--info {
  border-left: 4px solid rgba(33, 150, 243, 0.6);
}

/* Glass Badge */
.glass-badge {
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.glass-badge--primary {
  background: var(--glass-accent);
  border: 1px solid rgba(102, 126, 234, 0.4);
}

.glass-badge--success {
  background: var(--glass-success);
  border: 1px solid rgba(76, 175, 80, 0.4);
}

.glass-badge--warning {
  background: var(--glass-warning);
  border: 1px solid rgba(255, 152, 0, 0.4);
}

.glass-badge--error {
  background: var(--glass-error);
  border: 1px solid rgba(244, 67, 54, 0.4);
}

/* Glass Progress */
.glass-progress {
  background: var(--glass-secondary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-light);
  border-radius: var(--radius-full);
  height: 10px;
  overflow: hidden;
}

.glass-progress-bar {
  background: var(--glass-accent);
  height: 100%;
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

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

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

.glass-progress-bar--error {
  background: var(--glass-error);
}

/* Glass Navbar */
.glass-navbar {
  background: var(--glass-secondary);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: var(--border-light);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-glass);
}

.glass-nav-menu {
  display: flex;
  gap: var(--space-6);
}

.glass-nav-link {
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.glass-nav-link:hover {
  background: var(--glass-primary);
}

/* Glass Modal */
.glass-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-glass);
  z-index: 1000;
  min-width: 300px;
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
}

.glass-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(var(--blur-sm));
  z-index: 999;
}

/* Glass Toast */
.glass-toast {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  background: var(--glass-primary);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-glass);
  z-index: 1000;
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 300px;
}

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

/* ========================================
   CUSTOM SCROLLBARS
   ======================================== */

/* Apply custom scrollbars only to elements with the glass-scrollbar class */
.glass-scrollbar {
  /* Webkit browsers */
  &::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  &::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.05);
  }

  &::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
  }

  &::-webkit-scrollbar-corner {
    background: rgba(255, 255, 255, 0.05);
  }

  /* Firefox */
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) rgba(255, 255, 255, 0.05);
}

/* Dark mode scrollbars for glass elements */
[data-theme="dark"] .glass-scrollbar {
  &::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 0, 0, 0.1);
  }

  &::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
  }

  scrollbar-color: rgba(255, 255, 255, 0.1) rgba(0, 0, 0, 0.1);
}

/* Apply glass scrollbars to specific components */
.glass-table,
.glass-card.overflow-auto,
.glass-modal,
.glass-textarea {
  /* These components will get glass scrollbars when they overflow */
}

/* For elements that need scrollbars, add the glass-scrollbar class */
.glass-scrollbar-container {
  /* This class can be added to any container that needs glass scrollbars */
}

/* ========================================
   UTILITIES
   ======================================== */

/* Display */
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

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

/* Visibility */
.invisible { visibility: hidden; }
.visible { visibility: visible; }

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

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

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

.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

/* Mobile First */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-3);
  }

  .glass-grid--responsive {
    grid-template-columns: 1fr;
  }

  .hidden\@mobile {
    display: none !important;
  }

  .flex-col\@mobile {
    flex-direction: column;
  }

  .text-center\@mobile {
    text-align: center;
  }
}

@media (min-width: 769px) {
  .hidden\@desktop {
    display: none !important;
  }
}

/* ========================================
   FALLBACKS
   ======================================== */

@supports not (backdrop-filter: blur(10px)) {
  .glass,
  .glass-card,
  .glass-btn,
  .glass-input,
  .glass-textarea,
  .glass-select select,
  .glass-table,
  .glass-alert,
  .glass-badge,
  .glass-progress,
  .glass-navbar,
  .glass-modal,
  .glass-toast {
    background: rgba(255, 255, 255, 0.3);
  }

  [data-theme="dark"] .glass,
  [data-theme="dark"] .glass-card,
  [data-theme="dark"] .glass-btn,
  [data-theme="dark"] .glass-input,
  [data-theme="dark"] .glass-textarea,
  [data-theme="dark"] .glass-select select,
  [data-theme="dark"] .glass-table,
  [data-theme="dark"] .glass-alert,
  [data-theme="dark"] .glass-badge,
  [data-theme="dark"] .glass-progress,
  [data-theme="dark"] .glass-navbar,
  [data-theme="dark"] .glass-modal,
  [data-theme="dark"] .glass-toast {
    background: rgba(0, 0, 0, 0.3);
  }
}