/* ============================================
   AutoHub Dashboard - Arc Raiders Inspired Design
   Retro-futuristic, muted, high-fidelity dark theme
   ============================================ */

/* === ROOT VARIABLES - ARC RAIDERS PALETTE === */
:root {
  /* Brand Colors - Muted, Industrial */
  --brand-primary: #6b7a99;
  --brand-secondary: #8b9dc3;
  --brand-accent: #a5b4d4;
  --brand-highlight: #eae0cd;
  
  /* Background Colors - Deep Industrial */
  --bg-primary: #08090b;
  --bg-secondary: #0e1014;
  --bg-tertiary: #14171d;
  --bg-elevated: #1a1e26;
  --bg-surface: #1f242e;
  --bg-hover: rgba(174, 186, 210, 0.06);
  --bg-active: rgba(174, 186, 210, 0.1);
  
  /* Glass Effects */
  --glass-bg: rgba(20, 23, 29, 0.7);
  --glass-border: rgba(234, 224, 205, 0.06);
  --glass-blur: blur(20px);
  
  /* Text Colors - Warm Cream Tones */
  --text-primary: #eae0cd;
  --text-secondary: #b8b0a0;
  --text-muted: #7a7468;
  --text-dim: #524e46;
  --text-link: #a5b4d4;
  
  /* Semantic Colors - Desaturated */
  --success: #5a8a6e;
  --success-muted: rgba(90, 138, 110, 0.15);
  --warning: #c4a35a;
  --warning-muted: rgba(196, 163, 90, 0.15);
  --danger: #a65a5a;
  --danger-muted: rgba(166, 90, 90, 0.15);
  --info: #5a7a9a;
  --info-muted: rgba(90, 122, 154, 0.15);
  
  /* Accent Colors */
  --accent-blue: #6b7a99;
  --accent-purple: #7a6b99;
  --accent-teal: #5a7a7a;
  --accent-gold: #c4a35a;
  
  /* Border & Shadow */
  --border-color: rgba(234, 224, 205, 0.04);
  --border-color-hover: rgba(234, 224, 205, 0.08);
  --border-color-active: rgba(234, 224, 205, 0.12);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(107, 122, 153, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Transitions - Smooth & Fluid */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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)'/%3E%3C/svg%3E");
  z-index: 9999;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-highlight);
}

/* === SCROLLBAR STYLING === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-secondary);
}

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

/* === AH LAYOUT CLASSES (from layout.ejs) === */
.ah-header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}

.ah-header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--spacing-lg);
}

.ah-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ah-logo-main {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  line-height: 1.2;
}

.ah-logo-sub {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ah-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.ah-nav a {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.ah-nav a:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.ah-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.ah-user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.ah-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.ah-user-avatar--placeholder {
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.ah-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.ah-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.ah-btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: var(--text-primary);
}

.ah-btn-primary:hover {
  opacity: 0.9;
  text-decoration: none;
}

.ah-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.ah-btn-secondary:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  text-decoration: none;
}

.ah-main {
  min-height: calc(100vh - 64px - 60px); /* 64px header + 60px footer */
  padding: 0;
}

.ah-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tablet responsive for ah-* classes */
@media (max-width: 900px) {
  .ah-header-inner {
    padding: 0 var(--spacing-md);
    gap: var(--spacing-md);
  }
  
  .ah-nav {
    gap: var(--spacing-xs);
  }
  
  .ah-nav a {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
  }
  
  .ah-user-avatar {
    width: 28px;
    height: 28px;
  }
  
  .ah-user-name {
    font-size: 0.8125rem;
  }
  
  .ah-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 768px) {
  .ah-header {
    height: auto;
    min-height: 64px;
  }
  
  .ah-header-inner {
    flex-wrap: wrap;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .ah-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
    flex-wrap: wrap;
  }
  
  .ah-logo-sub {
    display: none;
  }
  
  .ah-main {
    min-height: calc(100vh - 120px);
  }
}

/* === AUTOHUB NAVIGATION === */
.autohub-nav {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 0;
}

.autohub-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--spacing-lg);
}

.autohub-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0.375rem 0.625rem;
  border-radius: 8px;
  background: rgba(88, 101, 242, 0.05);
  box-shadow: 0 0 20px rgba(255, 107, 107, 0.15), 0 0 40px rgba(0, 204, 255, 0.1), 0 0 60px rgba(88, 101, 242, 0.08);
  transition: all 0.3s ease;
}

.autohub-logo:hover {
  text-decoration: none;
  box-shadow: 0 0 25px rgba(255, 107, 107, 0.25), 0 0 50px rgba(0, 204, 255, 0.15), 0 0 70px rgba(88, 101, 242, 0.12);
  background: rgba(88, 101, 242, 0.08);
}

.autohub-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}

.autohub-logo-text {
  background: linear-gradient(90deg, #ff6b6b, #00ccff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
  text-shadow: 0 0 30px rgba(255, 107, 107, 0.5);
}

.autohub-logo-sub {
  color: #5865F2;
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  text-shadow: 0 0 20px rgba(88, 101, 242, 0.5);
}

.autohub-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.autohub-nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: nowrap;
}

.autohub-nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.autohub-nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.autohub-nav-link.active {
  background: var(--bg-active);
  color: var(--brand-highlight);
}

/* Nav Upgrade Button */
.autohub-nav-upgrade {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)) !important;
  color: var(--text-primary) !important;
  padding: 0.4rem 0.9rem !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.8125rem !important;
  box-shadow: 0 2px 8px rgba(107, 122, 153, 0.2);
}

.autohub-nav-upgrade:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* User Badge */
.autohub-user-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.autohub-user-badge:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-elevated);
}

.autohub-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.autohub-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* === MAIN CONTENT === */
.autohub-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: calc(100vh - 140px);
}

/* Full-width layout for dashboard pages */
.autohub-container.full-width {
  max-width: 100%;
  padding: 0;
}

/* === PAGE HEADER === */
.autohub-page-header {
  margin-bottom: var(--spacing-xl);
}

.autohub-page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.autohub-page-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 700px;
}

/* === CARDS === */
.autohub-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

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

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

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

/* === GLASS CARD === */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* === BUTTONS === */
.autohub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.autohub-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.autohub-btn:hover::before {
  left: 100%;
}

.autohub-btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(107, 122, 153, 0.2);
}

.autohub-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(107, 122, 153, 0.3);
  text-decoration: none;
}

.autohub-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.autohub-btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-color-hover);
  text-decoration: none;
}

.autohub-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.autohub-btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  text-decoration: none;
}

.autohub-btn-danger {
  background: var(--danger);
  color: var(--text-primary);
}

.autohub-btn-danger:hover {
  opacity: 0.9;
  text-decoration: none;
}

.autohub-btn-success {
  background: var(--success);
  color: var(--text-primary);
}

.autohub-btn-success:hover {
  opacity: 0.9;
  text-decoration: none;
}

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

/* === BADGES === */
.autohub-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.autohub-badge-success {
  background: var(--success-muted);
  color: var(--success);
}

.autohub-badge-warning {
  background: var(--warning-muted);
  color: var(--warning);
}

.autohub-badge-danger {
  background: var(--danger-muted);
  color: var(--danger);
}

.autohub-badge-info {
  background: var(--info-muted);
  color: var(--info);
}

.autohub-badge-neutral {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

/* === FORMS === */
.autohub-input,
.autohub-textarea,
.autohub-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.autohub-input:focus,
.autohub-textarea:focus,
.autohub-select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(107, 122, 153, 0.1);
}

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

/* === STATS === */
.autohub-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.autohub-stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.autohub-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
}

.autohub-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.autohub-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* === SERVER CARD === */
.autohub-server-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.autohub-server-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.autohub-server-card:hover {
  border-color: var(--border-color-active);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}

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

.autohub-server-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.autohub-server-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* === GRID === */
.autohub-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.autohub-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.autohub-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.autohub-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* === ALERTS === */
.autohub-alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid;
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

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

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

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

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

/* === LOADING === */
.autohub-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.autohub-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--bg-tertiary);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === FOOTER === */
.autohub-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  text-align: center;
  margin-top: var(--spacing-xl);
}

.autohub-footer-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .autohub-nav-inner {
    flex-wrap: wrap;
    height: auto;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }
  
  .autohub-nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .autohub-container {
    padding: var(--spacing-md);
  }
  
  .autohub-page-title {
    font-size: 1.5rem;
  }
  
  .autohub-grid-2,
  .autohub-grid-3,
  .autohub-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* === UTILITY CLASSES === */
.autohub-text-center { text-align: center; }
.autohub-text-right { text-align: right; }
.autohub-mt-0 { margin-top: 0; }
.autohub-mt-sm { margin-top: var(--spacing-sm); }
.autohub-mt-md { margin-top: var(--spacing-md); }
.autohub-mt-lg { margin-top: var(--spacing-lg); }
.autohub-mb-0 { margin-bottom: 0; }
.autohub-mb-sm { margin-bottom: var(--spacing-sm); }
.autohub-mb-md { margin-bottom: var(--spacing-md); }
.autohub-mb-lg { margin-bottom: var(--spacing-lg); }

.autohub-flex {
  display: flex;
}

.autohub-flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.autohub-flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.autohub-gap-sm { gap: var(--spacing-sm); }
.autohub-gap-md { gap: var(--spacing-md); }
.autohub-gap-lg { gap: var(--spacing-lg); }

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

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

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

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

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

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

.animate-slide-in {
  animation: slideInRight 0.5s ease forwards;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }

/* === GLOW EFFECTS === */
.glow-blue {
  box-shadow: 0 0 20px rgba(107, 122, 153, 0.2);
}

.glow-purple {
  box-shadow: 0 0 20px rgba(122, 107, 153, 0.2);
}

.glow-gold {
  box-shadow: 0 0 20px rgba(196, 163, 90, 0.2);
}

/* === AD CONTAINER OVERRIDES === */
.ad-container {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.upgrade-banner {
  background: linear-gradient(135deg, rgba(107, 122, 153, 0.1), rgba(122, 107, 153, 0.1));
  border: 1px solid rgba(107, 122, 153, 0.2);
}

.upgrade-banner-btn {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
}

/* ================================================
   TABLET / IPAD RESPONSIVE STYLES
   ================================================ */

/* Tablet Navigation (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
  .autohub-nav-inner {
    padding: 0 var(--spacing-md);
    gap: var(--spacing-md);
  }
  
  .autohub-nav-links {
    gap: var(--spacing-xs);
  }
  
  .autohub-nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
  }
  
  .autohub-nav-upgrade {
    padding: 0.35rem 0.75rem !important;
    font-size: 0.75rem !important;
  }
  
  .autohub-user-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .autohub-user-avatar {
    width: 24px;
    height: 24px;
  }
  
  .autohub-user-name {
    font-size: 0.8125rem;
  }
  
  .autohub-container {
    padding: 1.5rem 1rem;
  }
  
  .autohub-page-title {
    font-size: 1.75rem;
  }
  
  .autohub-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* iPad Portrait specific */
@media (min-width: 768px) and (max-width: 834px) and (orientation: portrait) {
  .autohub-nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .autohub-nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
    margin-top: var(--spacing-sm);
  }
}

/* Touch device improvements */
@media (pointer: coarse) {
  .autohub-btn,
  .autohub-nav-link,
  .autohub-server-card {
    min-height: 44px;
  }
  
  .autohub-input,
  .autohub-textarea,
  .autohub-select {
    min-height: 48px;
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
}