/*
  ═══════════════════════════════════════════════════════════════
  MINIMALIST GLASS - REFINED ELEGANCE
  Featuring: Pure Glassmorphism, Subtle Interactions,
  Sophisticated Blurs, Monochromatic Palette, Zen Aesthetics
  ═══════════════════════════════════════════════════════════════
*/

/* ═══════════════════════════════════════════════════════════════
   DESIGN TOKENS - Minimalist Design System
   ═══════════════════════════════════════════════════════════════ */
:root {
  /* Monochromatic Color Palette */
  --color-bg-deep: #0a0a0a;
  --color-bg-space: #0f0f0f;
  --color-bg-surface: #141414;
  --color-bg-elevated: #1a1a1a;
  
  /* Glass Effects - Ultra Subtle */
  --glass-bg-subtle: rgba(255, 255, 255, 0.01);
  --glass-bg-light: rgba(255, 255, 255, 0.03);
  --glass-bg-medium: rgba(255, 255, 255, 0.05);
  --glass-bg-strong: rgba(255, 255, 255, 0.08);
  --glass-bg-ultra: rgba(255, 255, 255, 0.12);
  
  --glass-border-subtle: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.12);
  --glass-border-ultra: rgba(255, 255, 255, 0.18);
  
  /* Monochrome Accents */
  --accent-white: #ffffff;
  --accent-gray-100: #f5f5f5;
  --accent-gray-200: #e8e8e8;
  --accent-gray-300: #d4d4d4;
  --accent-gray-400: #a3a3a3;
  --accent-gray-500: #737373;
  --accent-gray-600: #525252;
  
  /* Text Colors */
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --text-muted: rgba(255, 255, 255, 0.3);
  --text-ghost: rgba(255, 255, 255, 0.15);
  
  /* Subtle Gradients */
  --gradient-glass: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(255, 255, 255, 0.05) 100%);
  --gradient-glass-strong: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.15) 0%, 
    rgba(255, 255, 255, 0.08) 100%);
  --gradient-fade: linear-gradient(180deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.05) 100%);
  
  /* Shadows & Glows - Extremely Subtle */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.8);
  --shadow-2xl: 0 24px 60px rgba(0, 0, 0, 0.9);
  
  --glow-subtle: 0 0 20px rgba(255, 255, 255, 0.05);
  --glow-medium: 0 0 30px rgba(255, 255, 255, 0.08);
  --glow-strong: 0 0 40px rgba(255, 255, 255, 0.12);
  
  /* Spacing System */
  --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;
  
  /* Layout */
  --sidebar-width: 280px;
  --header-height: 88px;
  --max-width: 1280px;
  
  /* Typography */
  --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', system-ui, sans-serif;
  --font-body: var(--font-display);
  --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
  
  /* Border Radius - More Refined */
  --radius-xs: 0.375rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* Blur - Essential to Glassmorphism */
  --blur-xs: 4px;
  --blur-sm: 8px;
  --blur-md: 16px;
  --blur-lg: 24px;
  --blur-xl: 32px;
  --blur-2xl: 48px;
  --blur-3xl: 64px;
  
  /* Transitions - Smooth & Natural */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --transition-fast: 0.15s var(--ease-smooth);
  --transition-normal: 0.25s var(--ease-smooth);
  --transition-slow: 0.4s var(--ease-out);
  --transition-slower: 0.6s var(--ease-out);
  --transition-spring: 0.5s var(--ease-spring);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--color-bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ═══════════════════════════════════════════════════════════════
   MINIMALIST BACKGROUND - Subtle Depth
   ═══════════════════════════════════════════════════════════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
  animation: ambientPulse 20s ease-in-out infinite alternate;
  pointer-events: none;
}

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

/* Subtle noise texture */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR - Pure Glass Elegance
   ═══════════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  padding: 0;
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-2xl)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--blur-2xl)) saturate(120%);
  border-right: 1px solid var(--glass-border);
  z-index: 1000;
  transform: translateX(0);
  transition: transform var(--transition-slower);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Ultra-minimal scrollbar */
.sidebar::-webkit-scrollbar {
  width: 2px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--glass-border-subtle);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--glass-border);
}

/* Sidebar Header */
.sidebar-header {
  padding: var(--space-8) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-bottom: 1px solid var(--glass-border-subtle);
}

.sidebar-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-glass-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md), inset 0 0 20px rgba(255, 255, 255, 0.05);
  transition: all var(--transition-slow);
  flex-shrink: 0;
}

.sidebar-logo svg {
  color: var(--text-primary);
  filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.3));
}

.sidebar-header:hover .sidebar-logo {
  transform: scale(1.05) rotate(-5deg);
  box-shadow: var(--shadow-lg), var(--glow-medium), inset 0 0 30px rgba(255, 255, 255, 0.08);
}

.sidebar-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-title h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.sidebar-title span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Sidebar Divider */
.sidebar-divider {
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--glass-border) 20%, 
    var(--glass-border) 80%, 
    transparent
  );
  margin: var(--space-4) var(--space-6);
}

/* Navigation List */
.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  flex: 1;
}

/* Navigation Buttons - Modern Glass Design */
.sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
}

.sidebar-btn-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
}

/* Hover glass effect */
.sidebar-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.sidebar-btn:hover::before {
  opacity: 1;
}

/* Subtle border reveal */
.sidebar-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-btn:hover {
  color: var(--text-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.sidebar-btn:hover::after {
  opacity: 1;
}

.sidebar-btn:active {
  transform: translateX(2px) scale(0.99);
}

/* Icon styling */
.sidebar-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: all var(--transition-normal);
}

.sidebar-btn:hover svg {
  opacity: 1;
  transform: scale(1.1);
}

/* External link arrow */
.sidebar-btn-arrow {
  width: 16px;
  height: 16px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all var(--transition-normal);
}

.sidebar-btn:hover .sidebar-btn-arrow {
  opacity: 0.5;
  transform: translate(0, 0);
}

/* Active indicator */
.sidebar-btn-indicator {
  width: 3px;
  height: 20px;
  background: linear-gradient(180deg, 
    rgba(99, 102, 241, 0.8), 
    rgba(139, 92, 246, 0.8)
  );
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scaleY(0);
  transition: all var(--transition-normal);
}

/* Active Button - Modern Highlight */
.sidebar-btn.active {
  background: var(--glass-bg-strong);
  color: var(--text-primary);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm), var(--glow-subtle);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
}

.sidebar-btn.active::before {
  opacity: 0;
}

.sidebar-btn.active svg {
  opacity: 1;
}

.sidebar-btn.active .sidebar-btn-indicator {
  opacity: 1;
  transform: scaleY(1);
}

.sidebar-btn.active:hover {
  background: var(--glass-bg-ultra);
  box-shadow: var(--shadow-md), var(--glow-medium);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--glass-border-subtle);
  margin-top: auto;
}

.sidebar-footer-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.sidebar-footer-content svg {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

.sidebar-footer-content:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--glass-border);
  color: var(--text-secondary);
}

.sidebar-footer-content:hover svg {
  opacity: 0.8;
}

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR TOGGLE - Floating Glass Control
   ═══════════════════════════════════════════════════════════════ */
.sidebar-edge {
  position: fixed;
  left: calc(var(--sidebar-width) - 1px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
  transition: left var(--transition-slower);
}

.sidebar-edge button {
  appearance: none;
  border: none;
  width: 40px;
  height: 56px;
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border);
  border-left: none;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

/* Hover effect */
.sidebar-edge button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg-strong);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.sidebar-edge button:hover {
  width: 44px;
  color: var(--text-primary);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-lg), var(--glow-subtle);
}

.sidebar-edge button:hover::before {
  opacity: 1;
}

.sidebar-edge button:active {
  transform: scale(0.96);
}

.sidebar-edge button:focus-visible {
  outline: 1px solid var(--glass-border-ultra);
  outline-offset: 2px;
}

.sidebar-edge svg {
  width: 18px;
  height: 18px;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal);
  opacity: 0.8;
}

.sidebar-edge button:hover svg {
  opacity: 1;
}

/* Hidden Sidebar State */
body.sidebar-hidden .sidebar {
  transform: translateX(-100%);
}

body.sidebar-hidden .sidebar-edge {
  left: 0;
}

body.sidebar-hidden .sidebar-edge svg {
  transform: rotate(180deg);
}

body.sidebar-hidden .content {
  margin-left: 0;
}

body.sidebar-hidden .site-header {
  left: var(--space-6);
}

/* ═══════════════════════════════════════════════════════════════
   MAIN CONTENT AREA
   ═══════════════════════════════════════════════════════════════ */
.content {
  margin-left: var(--sidebar-width);
  padding: calc(var(--header-height) + var(--space-10)) var(--space-10) var(--space-10);
  min-height: 100vh;
  position: relative;
  z-index: 10;
  transition: margin-left var(--transition-slower);
}

/* ═══════════════════════════════════════════════════════════════
   HEADER - Elevated Glass Panel
   ═══════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: var(--space-6);
  left: calc(var(--sidebar-width) + var(--space-6));
  right: var(--space-6);
  padding: var(--space-6) var(--space-8);
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-2xl)) saturate(120%);
  -webkit-backdrop-filter: blur(var(--blur-2xl)) saturate(120%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), var(--glow-subtle);
  z-index: 100;
  transition: all var(--transition-slower);
  animation: headerFloat 1s var(--ease-out) both;
}

@keyframes headerFloat {
  from {
    opacity: 0;
    transform: translateY(-24px);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

body.sidebar-hidden .site-header {
  left: var(--space-6);
}

/* Header Title - Refined Typography */
.site-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 var(--space-2);
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
  transition: all var(--transition-normal);
}

.site-header:hover h1 {
  letter-spacing: -0.035em;
}

/* Header Subtitle */
.header-sub {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.005em;
  max-width: 60ch;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION - Zen Introduction
   ═══════════════════════════════════════════════════════════════ */
.hero {
  text-align: center;
  padding: var(--space-8) var(--space-8);
  margin: var(--space-8) 0;
  animation: fadeIn 1.2s var(--ease-out) 0.2s both;
}

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

.fade-in {
  animation: fadeIn 1s ease-in;
}

.hero h2 {
  font-size: 2.5rem;
  font-weight: 300;
  margin: 0 0 var(--space-8);
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  position: relative;
  display: inline-block;
}

/* Subtle underline effect */
.hero h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--glass-border-ultra), 
    transparent);
  transition: width var(--transition-slower);
}

.hero:hover h2::after {
  width: 100%;
}

.hero p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════════════════════════════
   TOP LINKS - Interactive Glass Cards
   ═══════════════════════════════════════════════════════════════ */
.top-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-8) var(--space-8);
  min-height: 40vh;
}

.top-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-10);
  min-width: 340px;
  font-size: 1.125rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  letter-spacing: -0.015em;
}

/* Glass layer enhancement on hover */
.top-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass-strong);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

/* Subtle border glow */
.top-links a::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0.05));
  border-radius: var(--radius-2xl);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -2;
}

.top-links a:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl), var(--glow-medium);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-medium);
}

.top-links a:hover::before {
  opacity: 1;
}

.top-links a:hover::after {
  opacity: 1;
}

.top-links a:active {
  transform: translateY(-3px) scale(0.98);
}

/* Stagger animations */
.top-links a:nth-child(1) {
  animation: fadeIn 0.8s var(--ease-out) 0.3s both;
}

.top-links a:nth-child(2) {
  animation: fadeIn 0.8s var(--ease-out) 0.4s both;
}

.top-links a:nth-child(3) {
  animation: fadeIn 0.8s var(--ease-out) 0.5s both;
}

/* Icon animation */
.top-links a svg {
  opacity: 0.8;
  transition: all var(--transition-normal);
}

.top-links a:hover svg {
  opacity: 1;
  transform: scale(1.1) translateX(2px);
}

/* ═══════════════════════════════════════════════════════════════
   CONTENT SECTIONS - Glass Containers
   ═══════════════════════════════════════════════════════════════ */
.section {
  max-width: var(--max-width);
  margin: 0 auto var(--space-12);
  padding: var(--space-10);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.section:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-xl), var(--glow-subtle);
  transform: translateY(-2px);
}

.section h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 0 var(--space-6);
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.section p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════════════════════════════
   CARDS - Minimal Glass Elements
   ═══════════════════════════════════════════════════════════════ */
.card {
  background: var(--glass-bg-subtle);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.card:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

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

/* ═══════════════════════════════════════════════════════════════
   BUTTONS - Refined Glass Interactions
   ═══════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-bg-strong);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-md), var(--glow-subtle);
  transform: translateY(-2px);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn svg {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal);
}

.btn:hover svg {
  transform: translateX(2px);
}

/* ═══════════════════════════════════════════════════════════════
   INPUTS - Glass Form Elements
   ═══════════════════════════════════════════════════════════════ */
.input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: 0.9375rem;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  background: var(--glass-bg-subtle);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-normal);
  position: relative;
}

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

.input:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border);
}

.input:focus {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-sm), var(--glow-subtle);
}

/* Textarea */
textarea.input {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Select */
select.input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='rgba(255,255,255,0.5)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  appearance: none;
}

/* ═══════════════════════════════════════════════════════════════
   BADGES - Minimal Indicators
   ═══════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.badge:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  transform: scale(1.05);
}

/* ═══════════════════════════════════════════════════════════════
   DIVIDERS - Subtle Separators
   ═══════════════════════════════════════════════════════════════ */
.divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--glass-border),
    transparent);
  margin: var(--space-8) 0;
  border: none;
  position: relative;
  overflow: hidden;
}

.divider::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent);
  animation: shimmerDivider 3s ease-in-out infinite;
}

@keyframes shimmerDivider {
  0% { left: -100%; }
  100% { left: 200%; }
}

/* ═══════════════════════════════════════════════════════════════
   TOOLTIPS - Floating Glass Hints
   ═══════════════════════════════════════════════════════════════ */
.tooltip {
  position: relative;
  display: inline-flex;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--glass-bg-ultra);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: calc(100% - 4px);
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--glass-border-strong);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 10000;
}

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

.tooltip:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   MODAL - Glass Overlay
   ═══════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-3xl));
  -webkit-backdrop-filter: blur(var(--blur-3xl));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-3xl);
  padding: var(--space-10);
  max-width: 600px;
  width: 90%;
  box-shadow: var(--shadow-2xl), var(--glow-medium);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  appearance: none;
  border: none;
  background: var(--glass-bg-light);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  border: 1px solid var(--glass-border-subtle);
}

.modal-close:hover {
  background: var(--glass-bg-medium);
  color: var(--text-primary);
  border-color: var(--glass-border);
  transform: scale(1.05);
}

.modal-close:active {
  transform: scale(0.95);
}

/* ═══════════════════════════════════════════════════════════════
   LOADING STATES - Minimal Animations
   ═══════════════════════════════════════════════════════════════ */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: var(--glass-bg-light);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent,
    var(--glass-bg-medium),
    transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ═══════════════════════════════════════════════════════════════
   TABLES - Glass Data Display
   ═══════════════════════════════════════════════════════════════ */
.table-container {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

thead {
  background: var(--glass-bg-medium);
  border-bottom: 1px solid var(--glass-border);
}

th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

td {
  padding: var(--space-4) var(--space-5);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border-subtle);
}

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

tbody tr:hover {
  background: var(--glass-bg-subtle);
}

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

/* ═══════════════════════════════════════════════════════════════
   DROPDOWN - Glass Menu
   ═══════════════════════════════════════════════════════════════ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 200px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-2xl));
  -webkit-backdrop-filter: blur(var(--blur-2xl));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--glow-medium);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-normal);
  z-index: 1000;
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover {
  background: var(--glass-bg-medium);
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ═══════════════════════════════════════════════════════════════
   NOTIFICATIONS - Toast Messages
   ═══════════════════════════════════════════════════════════════ */
.notification {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  max-width: 400px;
  padding: var(--space-5) var(--space-6);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-2xl));
  -webkit-backdrop-filter: blur(var(--blur-2xl));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--glow-medium);
  color: var(--text-primary);
  font-size: 0.9375rem;
  z-index: 10001;
  transform: translateX(calc(100% + var(--space-6)));
  transition: transform var(--transition-slow);
}

.notification.show {
  transform: translateX(0);
}

.notification::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-glass-strong);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

/* ═══════════════════════════════════════════════════════════════
   PROGRESS BAR - Minimal Indicator
   ═══════════════════════════════════════════════════════════════ */
.progress {
  width: 100%;
  height: 6px;
  background: var(--glass-bg-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg,
    rgba(255, 255, 255, 0.3),
    rgba(255, 255, 255, 0.5));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  box-shadow: var(--glow-subtle);
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent);
  animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ═══════════════════════════════════════════════════════════════
   TABS - Glass Navigation
   ═══════════════════════════════════════════════════════════════ */
.tabs {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
}

.tab {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

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

.tab.active {
  color: var(--text-primary);
  background: var(--glass-bg-medium);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
}

/* ═══════════════════════════════════════════════════════════════
   ACCORDION - Collapsible Glass Sections
   ═══════════════════════════════════════════════════════════════ */
.accordion {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-4);
  transition: all var(--transition-normal);
}

.accordion:hover {
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--glass-bg-subtle);
}

.accordion-title {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  transition: transform var(--transition-normal);
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--text-primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slower);
}

.accordion.active .accordion-content {
  max-height: 500px;
}

.accordion-body {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ═══════════════════════════════════════════════════════════════
   GRID LAYOUTS - Responsive Glass Grid
   ═══════════════════════════════════════════════════════════════ */
.grid {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-item {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.grid-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.grid-item:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.grid-item:hover::before {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   AVATAR - Glass Profile Images
   ═══════════════════════════════════════════════════════════════ */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--glass-border);
  background: var(--glass-bg-medium);
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.avatar:hover {
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-md), var(--glow-subtle);
  transform: scale(1.05);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.avatar-lg {
  width: 64px;
  height: 64px;
}

.avatar-xl {
  width: 96px;
  height: 96px;
}

/* ═══════════════════════════════════════════════════════════════
   SEARCH BAR - Minimal Glass Input
   ═══════════════════════════════════════════════════════════════ */
.search-bar {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.search-bar input {
  width: 100%;
  padding: var(--space-4) var(--space-12) var(--space-4) var(--space-5);
  font-size: 0.9375rem;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-normal);
}

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

.search-bar input:focus {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-md), var(--glow-subtle);
  padding-left: var(--space-6);
}

.search-bar-icon {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-bar input:focus ~ .search-bar-icon {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════
   TOGGLE SWITCH - Glass Switch
   ═══════════════════════════════════════════════════════════════ */
.toggle {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: var(--text-primary);
  border-radius: 50%;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  box-shadow: var(--glow-subtle);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.toggle:hover .toggle-slider {
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-sm);
}

/* ═══════════════════════════════════════════════════════════════
   CHECKBOX & RADIO - Minimal Glass Controls
   ═══════════════════════════════════════════════════════════════ */
.checkbox,
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.checkbox input,
.radio input {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

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

.checkbox input:hover,
.radio input:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
}

.checkbox input:checked,
.radio input:checked {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-ultra);
  box-shadow: var(--glow-subtle);
}

.checkbox input:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--text-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

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

/* ═══════════════════════════════════════════════════════════════
   BREADCRUMBS - Navigation Trail
   ═══════════════════════════════════════════════════════════════ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  margin-bottom: var(--space-6);
}

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

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

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

.breadcrumb-separator {
  color: var(--text-muted);
  user-select: none;
}

/* ═══════════════════════════════════════════════════════════════
   PAGINATION - Page Navigation
   ═══════════════════════════════════════════════════════════════ */
.pagination {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  padding: var(--space-6) 0;
}

.page-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-3);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-item:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.page-item.active {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-ultra);
  color: var(--text-primary);
  box-shadow: var(--shadow-md), var(--glow-subtle);
}

.page-item:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════
   TIMELINE - Vertical Glass Timeline
   ═══════════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: var(--space-10);
  margin: var(--space-8) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-3);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg,
    transparent,
    var(--glass-border),
    var(--glass-border),
    transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(var(--space-3) * -1 - 6px);
  top: var(--space-1);
  width: 12px;
  height: 12px;
  background: var(--glass-bg-strong);
  border: 2px solid var(--glass-border-strong);
  border-radius: 50%;
  box-shadow: var(--glow-subtle);
  transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  border-color: var(--glass-border-ultra);
  box-shadow: var(--glow-medium);
}

.timeline-content {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.timeline-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.timeline-title {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.timeline-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════
   STATS CARD - Minimal Metrics Display
   ═══════════════════════════════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin: var(--space-8) 0;
}

.stat-card {
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-glass-strong);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
  transform-origin: left;
}

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

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-value {
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.03em;
}

.stat-change {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ═══════════════════════════════════════════════════════════════
   CODE BLOCK - Glass Code Display
   ═══════════════════════════════════════════════════════════════ */
.code-block {
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--space-6) 0;
}

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

.code-header-title {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.code-copy-btn {
  appearance: none;
  border: none;
  background: var(--glass-bg-subtle);
  border: 1px solid var(--glass-border-subtle);
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
}

.code-copy-btn:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border);
  color: var(--text-primary);
}

.code-content {
  padding: var(--space-5);
  overflow-x: auto;
}

.code-content::-webkit-scrollbar {
  height: 6px;
}

.code-content::-webkit-scrollbar-track {
  background: var(--glass-bg-subtle);
  border-radius: var(--radius-full);
}

.code-content::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-full);
}

.code-content::-webkit-scrollbar-thumb:hover {
  background: var(--glass-border-strong);
}

pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

code {
  font-family: var(--font-mono);
}

/* Inline code */
:not(pre) > code {
  padding: var(--space-1) var(--space-2);
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  font-size: 0.875em;
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════
   ALERT - Notification Banners
   ═══════════════════════════════════════════════════════════════ */
.alert {
  padding: var(--space-5) var(--space-6);
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--glass-border-ultra);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--text-primary);
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.alert-message {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.alert-close {
  appearance: none;
  border: none;
  background: transparent;
  width: 24px;
  height: 24px;
  padding: 0;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.alert-close:hover {
  color: var(--text-primary);
  transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════════════
   CHIP/TAG - Minimal Labels
   ═══════════════════════════════════════════════════════════════ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--glass-bg-light);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: default;
}

.chip:hover {
  background: var(--glass-bg-medium);
  border-color: var(--glass-border-strong);
  color: var(--text-primary);
  transform: scale(1.03);
}

.chip-removable {
  cursor: pointer;
}

.chip-remove {
  appearance: none;
  border: none;
  background: transparent;
  width: 16px;
  height: 16px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: 50%;
}

.chip-remove:hover {
  background: var(--glass-bg-medium);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE - Minimal Placeholder
   ═══════════════════════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  background: var(--glass-bg-subtle);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-2xl);
  margin: var(--space-8) 0;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--text-ghost);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 var(--space-3);
  letter-spacing: -0.02em;
}

.empty-state-message {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  max-width: 400px;
  margin: 0 auto var(--space-6);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN BUTTON - Top Right Corner
   ═══════════════════════════════════════════════════════════════ */
.login-btn {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.login-btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.login-btn svg {
  flex-shrink: 0;
}