:root{
  /* Enhanced Dark Theme - More sophisticated and modern */
  --bg: #0a0e1a;
  --bg-secondary: #0f1423;
  --fg: #f1f5f9;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent2: #06d6a0;
  --accent3: #8b5cf6;
  --card: #1e293b;
  --card-secondary: #334155;
  --stroke: #475569;
  --shadow: 0 20px 50px rgba(0,0,0,.4);
  --shadow-lg: 0 25px 60px rgba(0,0,0,.6);
  --error: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --info: #3b82f6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06d6a0 100%);
  --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-surface: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 214, 160, 0.02) 100%);
  
  /* Border radius scale */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

/* Light theme variables - Enhanced for better contrast and modern look */
:root.light-theme{
  --bg: #fafafa;
  --bg-secondary: #f4f4f5;
  --fg: #18181b;
  --muted: #71717a;
  --accent: #2563eb;
  --accent2: #059669;
  --accent3: #7c3aed;
  --card: #ffffff;
  --card-secondary: #f8fafc;
  --stroke: #e4e4e7;
  --shadow: 0 20px 50px rgba(0,0,0,.08);
  --shadow-lg: 0 25px 60px rgba(0,0,0,.12);
  --error: #dc2626;
  --success: #059669;
  --warning: #d97706;
  --info: #2563eb;
  
  /* Light mode gradients */
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #059669 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
  --gradient-warm: linear-gradient(135deg, #d97706 0%, #dc2626 100%);
  --gradient-cool: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
  --gradient-surface: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(5, 150, 105, 0.02) 100%);
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Accessibility: focus outlines for interactive card tiles */
.url-card:focus-visible {
  outline: 3px solid var(--accent2);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(6,214,160,0.35), 0 6px 16px rgba(0,0,0,0.4);
}
:root.light-theme .url-card:focus-visible {
  box-shadow: 0 0 0 4px rgba(6,214,160,0.45), 0 4px 10px rgba(0,0,0,0.15);
}

/* Enhanced dark mode background */
:root:not(.light-theme) body {
  background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
  background-attachment: fixed;
}

/* Enhanced light mode background */
:root.light-theme body {
  background: radial-gradient(ellipse at top, rgba(37, 99, 235, 0.04) 0%, transparent 60%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
  background-attachment: fixed;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fg);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p, .text-base {
  font-size: 1rem;
  line-height: 1.7;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1.5;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.7;
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.6;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent2);
}

/* Container with better responsive padding */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* Modern Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: calc(var(--space-2xl) + var(--space));
  right: var(--space);
  z-index: 1000;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-full);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
  transform: scale(1.05) rotate(5deg);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.theme-toggle:active {
  transform: scale(0.95);
}

@media (max-width: 768px) {
  .theme-toggle {
    top: calc(var(--space-lg) + var(--space-lg));
    right: var(--space-sm);
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

/* Modern Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.01);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

:root.light-theme .header {
  background: rgba(255, 255, 255, 0.8);
}

.brand {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--fg);
  text-decoration: none;
  transition: all 0.3s ease;
}

.brand:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.logo {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: white;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  transition: all 0.3s ease;
}

.brand:hover .logo {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Enhanced Navigation */
.nav {
  position: relative;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::before {
  width: 80%;
}

.nav-logout {
  margin-left: var(--space-sm);
  padding: var(--space-sm) var(--space);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Header right alignment */
.header-right {
  display: flex;
  align-items: center;
  gap: var(--space);
  margin-left: auto;
}

/* Mobile menu improvements */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  background: var(--gradient-surface);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--fg);
  margin: 3px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}

/* Hamburger animation */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
  .header {
    padding: var(--space) var(--space-sm);
  }
  
  .mobile-menu-toggle {
    display: flex;
    z-index: 110;
  }
  
  .nav-menu {
    display: none;
    position: fixed;
    top: 68px;
    right: var(--space-sm);
    width: min(300px, calc(100vw - 2rem));
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 105;
  }
  
  .nav-menu.active {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    width: 100%;
    padding: var(--space) 0;
    border-bottom: 1px solid var(--stroke);
    border-radius: 0;
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .nav-logout {
    margin-left: 0;
    margin-top: var(--space);
    align-self: flex-start;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius);
  }
}

/* Modern Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
  margin: var(--space-2xl) 0;
  min-height: 60vh;
}

.hero-content {
  position: relative;
  background: var(--card);
  background-image: var(--gradient-surface);
  padding: var(--space-2xl);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.hero-content h1 {
  margin: 0 0 var(--space-md) 0;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content .subhead {
  color: var(--muted);
  margin: 0 0 var(--space-lg) 0;
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: 60ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: var(--space-sm) var(--space);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(8px);
}

.pill-list {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin: var(--space-md) 0 0;
  padding: 0;
  list-style: none;
}

.pill-list li {
  font-size: 0.875rem;
  color: var(--muted);
  border: 1px solid var(--stroke);
  background: var(--card-secondary);
  padding: var(--space-sm) var(--space);
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

.pill-list li:hover {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
}

.cta {
  display: flex;
  gap: var(--space);
  margin-top: var(--space-xl);
  align-items: center;
  flex-wrap: wrap;
}

/* Enhanced Hero Card */
.hero-card {
  background: var(--card);
  background-image: var(--gradient-surface);
  padding: var(--space-xl);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  transform: translate(30px, -30px);
  opacity: 0.1;
}

.hero-card-header {
  margin-bottom: var(--space-md);
}

.hero-card-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--fg);
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  margin: var(--space) 0;
  color: var(--fg);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: var(--space);
  padding: var(--space-sm);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.feature-list li:hover {
  background: var(--gradient-surface);
  transform: translateX(4px);
}

.hero-card-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--stroke);
}

.hero-card-footer .small {
  text-align: center;
  font-style: italic;
  color: var(--muted);
}

/* Modern Card Component */
.card {
  background: var(--card);
  background-image: var(--gradient-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.3);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

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

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin: var(--space-xl) 0;
    min-height: auto;
  }
  
  .hero-content {
    padding: var(--space-xl);
  }
  
  .hero-card {
    padding: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .hero {
    margin: var(--space-lg) 0;
  }
  
  .hero-content {
    padding: var(--space-lg);
  }
  
  .hero-content h1 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-content .subhead {
    font-size: 1rem;
  }
  
  .cta {
    flex-direction: column;
    gap: var(--space);
  }
  
  .card {
    padding: var(--space-lg);
    margin-top: var(--space-md);
  }
}
/* Modern Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  border: 1px solid var(--stroke);
  background: var(--card);
  color: var(--fg);
  padding: var(--space) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.975rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.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 0.5s ease;
}

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

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

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

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

/* Button variants */
.btn.primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn.primary:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-3px);
}

.btn.secondary {
  background: var(--gradient-secondary);
  color: white;
  border: none;
  font-weight: 600;
}

.btn.secondary:hover {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn.ghost {
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--accent);
}

.btn.ghost:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

.btn.outline {
  background: transparent;
  border-color: var(--stroke);
  color: var(--fg);
}

.btn.outline:hover {
  background: var(--gradient-surface);
  border-color: var(--accent);
}

.btn.danger {
  background: var(--error);
  color: white;
  border: none;
}

.btn.danger:hover {
  background: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

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

.btn.success:hover {
  background: #059669;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Button sizes */
.btn.small,
.btn.btn-small,
.btn-small {
  padding: var(--space-sm) var(--space);
  font-size: 0.875rem;
  border-radius: var(--radius);
}

.btn.large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

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

/* Specialized buttons */
.btn.premium {
  background: linear-gradient(135deg, #FFD700, #FFA726);
  color: #000;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.btn.premium:hover {
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn.featured {
  background: linear-gradient(135deg, #ff6b9d, #ffd93d);
  color: white;
  font-weight: 700;
  text-shadow: none;
}

.btn.featured:hover {
  box-shadow: 0 6px 20px rgba(255, 107, 157, 0.4);
}

/* Button with icons */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Loading state */
.btn.loading {
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Button group */
.btn-group {
  display: flex;
  gap: var(--space-sm);
}

.btn-group .btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .btn {
    padding: var(--space) var(--space-md);
    font-size: 1rem;
    min-height: 44px; /* Touch target */
  }
  
  .btn.small {
    min-height: 36px;
  }
  
  .btn.large {
    min-height: 52px;
    padding: var(--space-md) var(--space-lg);
  }
}
/* Modern Form Elements */
label {
  display: block;
  margin: var(--space-md) 0 var(--space-sm) 0;
  font-weight: 500;
  color: var(--fg);
  font-size: 0.925rem;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  padding: var(--space) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: var(--card);
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--card-secondary);
}

input:not([type="checkbox"]):not([type="radio"]):hover:not(:focus),
select:hover:not(:focus),
textarea:hover:not(:focus) {
  border-color: rgba(59, 130, 246, 0.3);
}

/* Enhanced textarea */
textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.textarea-wrapper {
  position: relative;
}

.styled-textarea {
  background: var(--gradient-surface);
  backdrop-filter: blur(2px);
  border: 1px solid rgba(59, 130, 246, 0.15);
  min-height: 100px;
}

.styled-textarea:hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.styled-textarea:focus {
  border-color: var(--accent);
  background: var(--card-secondary);
}

.char-counter {
  position: absolute;
  right: var(--space);
  bottom: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.1);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

:root.light-theme .char-counter {
  background: rgba(255, 255, 255, 0.8);
}

/* Select styling */
select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

select option {
  background: var(--card);
  color: var(--fg);
}

/* Form groups and layouts */
.form-group {
  margin-bottom: var(--space-md);
}

.form-row {
  display: flex;
  gap: var(--space);
  align-items: end;
}

.form-row .form-group {
  flex: 1;
  margin: 0;
}

/* Radio and checkbox groups */
.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-sm) 0;
}

.radio-group label,
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-weight: normal;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--radius);
  transition: background-color 0.2s ease;
}

.radio-group label:hover,
.checkbox-group label:hover {
  background: var(--gradient-surface);
}

.radio-group input[type="radio"],
.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.checkbox-item input {
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.stat {
  background: var(--card);
  background-image: var(--gradient-surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.3);
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-label {
  color: var(--muted);
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Examples Grid */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.example-card {
  display: block;
  background: var(--card);
  background-image: var(--gradient-surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: var(--fg);
  text-decoration: none;
  transition: all 0.3s ease;
}

.example-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.example-title {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.example-note {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Pricing and Footer */
.pricing {
  margin-top: var(--space-2xl);
}

.pricing h2 {
  margin: 0 0 var(--space-lg) 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.plan {
  background: var(--card);
  background-image: var(--gradient-surface);
  padding: var(--space-xl);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
}

.plan:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.plan.highlight {
  border-color: var(--accent);
  background-image: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 214, 160, 0.02));
}

.plan h3 {
  margin: 0 0 var(--space-sm) 0;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  margin: var(--space-sm) 0 var(--space-md) 0;
  line-height: 1;
}

.per {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--stroke);
  margin-top: var(--space-2xl);
  padding: var(--space-lg) 0;
  flex-wrap: wrap;
  gap: var(--space);
}

.small {
  font-size: 0.875rem;
  color: var(--muted);
}

/* Mobile form adjustments */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .examples-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer {
    flex-direction: column;
    text-align: center;
  }
  
  /* Ensure inputs are at least 16px to prevent zoom on iOS */
  input,
  select,
  textarea {
    font-size: 16px;
  }
}
/* Modern Table Styles */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table th,
.table td {
  padding: var(--space) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--stroke);
}

.table th {
  background: var(--card-secondary);
  font-weight: 600;
  color: var(--fg);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table tbody tr {
  transition: background-color 0.2s ease;
}

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

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

/* Responsive table wrapper */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--card);
}

.table-responsive .table {
  margin: 0;
  min-width: 720px;
  border: none;
  box-shadow: none;
}

/* Clickable table rows */
.table tr.clickable-row {
  cursor: pointer;
}

.table tr.clickable-row:hover {
  background: var(--gradient-surface);
}

/* Actions column optimization */
.table td:last-child {
  white-space: nowrap;
  min-width: 300px;
}

.table td:last-child button {
  margin-right: var(--space-sm);
  margin-bottom: var(--space-xs);
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
}

/* Loading Spinner */
#loadingIndicator {
  display: flex;
  align-items: center;
  gap: var(--space);
  color: var(--muted);
  font-size: 0.925rem;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--stroke);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* OAuth Divider */
.divider {
  display: flex;
  align-items: center;
  margin: var(--space-xl) 0;
  color: var(--muted);
  font-size: 0.925rem;
  font-weight: 500;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--stroke);
}

.divider span {
  padding: 0 var(--space);
  background: var(--card);
}

/* Google Sign-In Button */
.g_id_signin {
  margin: 0 auto var(--space-lg) auto !important;
  display: flex !important;
  justify-content: center !important;
}

/* Enhanced Message Styles */
.error-message,
.success-message,
.info-message,
.warning-message {
  border-radius: var(--radius);
  padding: var(--space) var(--space-md);
  margin: var(--space-md) 0;
  font-size: 0.925rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  backdrop-filter: blur(8px);
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

.error-message::before {
  content: "⚠️";
  flex-shrink: 0;
}

.success-message {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.success-message::before {
  content: "✅";
  flex-shrink: 0;
}

.info-message {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--info);
}

.info-message::before {
  content: "ℹ️";
  flex-shrink: 0;
}

.warning-message {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--warning);
}

.warning-message::before {
  content: "⚠️";
  flex-shrink: 0;
}

/* Inline links within messages */
.inline-link {
  margin-left: var(--space-sm);
  text-decoration: underline;
  color: inherit;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.inline-link:hover {
  opacity: 0.8;
}

/* Enhanced Upgrade Prompt */
.upgrade-prompt {
  background: var(--gradient-surface);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-md) 0;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.upgrade-prompt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.upgrade-prompt:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.4);
}

.upgrade-prompt h4 {
  margin: 0 0 var(--space-sm) 0;
  font-weight: 700;
  color: var(--fg);
}

.upgrade-prompt p {
  margin: 0 0 var(--space-md) 0;
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--muted);
}

.upgrade-prompt .btn {
  margin-top: var(--space-sm);
}

/* Modern FAQ Section */
.faq-list {
  margin-top: var(--space-md);
}

.faq-list details {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  margin: var(--space) 0;
  background: var(--card);
  background-image: var(--gradient-surface);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.faq-list details:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.faq-list details[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.faq-list summary {
  padding: var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--fg);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
  user-select: none;
}

.faq-list summary:hover {
  background: var(--gradient-surface);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: '';
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: var(--space);
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  transform: rotate(225deg);
}

.faq-list details p {
  padding: 0 var(--space-lg) var(--space-lg);
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.975rem;
  animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Modern Modal System */
.modal {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.3s ease-out;
}

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

:root.light-theme .modal {
  background: rgba(0, 0, 0, 0.6);
}

.modal-content {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease-out;
  margin: auto;
}

/* Center modal content for fixed positioning modals */
.modal-content[style*="position:fixed"] {
  margin: 0;
}

@keyframes modalSlideIn {
  from { 
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to { 
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--stroke);
  background: var(--card-secondary);
}

.modal-header h3 {
  margin: 0;
  color: var(--fg);
  font-weight: 600;
  font-size: 1.1rem;
}

.close {
  color: var(--muted);
  font-size: 24px;
  font-weight: 600;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close:hover {
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--space-xl);
  background: var(--card);
  max-height: calc(90vh - 120px);
  overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--stroke);
  border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Modal form improvements */
.modal-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.modal-section {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--card-secondary);
}

.modal-section h5 {
  margin: 0 0 var(--space) 0;
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.help-text {
  font-size: 0.825rem;
  color: var(--muted);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

.full-width-row {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  gap: var(--space);
  margin-top: var(--space-lg);
  justify-content: flex-end;
}

.form-actions .btn {
  min-width: 100px;
}

/* Toast Notification System */
.toast-container {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  pointer-events: none;
  width: 100%;
  max-width: 400px;
}

.toast {
  display: flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--stroke);
  color: var(--fg);
  box-shadow: var(--shadow);
  font-size: 0.875rem;
  font-weight: 500;
  max-width: 380px;
  word-wrap: break-word;
  pointer-events: auto;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.hide {
  opacity: 0;
  transform: translateX(-50%) translateY(-10px);
}

/* Toast type variants */
.toast-success {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.toast-success::before {
  content: '✓';
  margin-right: 8px;
  color: var(--success);
  font-weight: bold;
}

.toast-error {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

.toast-error::before {
  content: '✕';
  margin-right: 8px;
  color: var(--error);
  font-weight: bold;
}

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

.toast-warning::before {
  content: '⚠';
  margin-right: 8px;
  color: var(--warning);
  font-weight: bold;
}

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

.toast-info::before {
  content: 'ℹ';
  margin-right: 8px;
  color: var(--info);
  font-weight: bold;
}

/* Light theme toast adjustments */
:root.light-theme .toast {
  background: rgba(255, 255, 255, 0.95);
  color: var(--fg);
}

:root.light-theme .toast-success {
  background: rgba(16, 185, 129, 0.08);
}

:root.light-theme .toast-error {
  background: rgba(239, 68, 68, 0.08);
}

:root.light-theme .toast-warning {
  background: rgba(245, 158, 11, 0.08);
}

:root.light-theme .toast-info {
  background: rgba(59, 130, 246, 0.08);
}

/* Mobile responsive toasts */
@media (max-width: 768px) {
  .toast-container {
    left: 12px;
    right: 12px;
    transform: none;
    max-width: none;
  }
  
  .toast {
    left: 0;
    right: 0;
    transform: none;
    max-width: none;
  }
  
  .toast.show {
    transform: translateY(0);
  }
  
  .toast.hide {
    transform: translateY(-10px);
  }
}

/* Form inline controls */
.form-inline-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 var(--space-md) 0;
}

.form-inline-controls h4 {
  margin: 0;
}

/* Enhanced Toggle Switch */
.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
  font-size: 0.875rem;
}

.switch input {
  display: none;
}

.switch .slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--stroke);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.switch .slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.switch input:checked + .slider {
  background: var(--gradient-primary);
}

.switch input:checked + .slider::after {
  transform: translateX(20px);
}

.switch .switch-label {
  font-size: 0.875rem;
  color: var(--fg);
  font-weight: 500;
}

.switch.off .switch-label {
  opacity: 0.6;
}

/* Mobile modal adjustments */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    margin: var(--space) auto;
    border-radius: var(--radius-lg);
  }
  
  .modal-header {
    padding: var(--space-md) var(--space);
  }
  
  .modal-body {
    padding: var(--space);
  }
  
  .modal-form-grid {
    grid-template-columns: 1fr;
    gap: var(--space);
  }
  
  .form-actions {
    flex-direction: column-reverse;
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  .close {
    padding: var(--space);
    font-size: 28px;
  }
}

/* Group product view */
.group-table{width:100%;border-collapse:collapse;font-size:13px}
.group-table th,.group-table td{border-bottom:1px solid var(--stroke);padding:6px 8px;text-align:left}
.lowest-row{background:rgba(122,247,201,0.08)}
.suggestion-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--stroke);border-radius:8px;margin:6px 0;font-size:13px;background:var(--card)}
.suggestion-item .price{font-weight:600;color:var(--accent2)}
.suggestion-pending{box-shadow:0 0 0 1px rgba(109,214,255,0.25)}
.suggestion-item button{margin:0 2px;padding:4px 10px;font-size:12px;border-radius:6px}
.suggestion-item button[data-action='approve']{background:var(--accent2);color:#001018}
.suggestion-item button[data-action='reject']{background:var(--error);color:#fff}
.panel{background:var(--card);border:1px solid var(--stroke);border-radius:10px;padding:14px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--fg)}
.form-row{display:flex;gap:16px;align-items:end}
.form-row .form-group{flex:1;margin:0}
.radio-group{display:flex;gap:16px;margin:8px 0}
.radio-group label{display:flex;align-items:center;gap:6px;margin:0;font-weight:normal}
.alert-item{background:var(--bg);border:1px solid var(--stroke);border-radius:12px;padding:16px;margin:12px 0}
.alert-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}
.alert-type{font-weight:600;color:var(--accent);font-size:14px}
.alert-threshold{font-size:18px;margin:4px 0}
.alert-meta{font-size:12px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}
.alert-actions{display:flex;gap:8px}
.btn-small{padding:6px 12px;font-size:12px;border-radius:6px}

/* Button variants */
.btn-secondary{background:var(--stroke);color:var(--fg);border:1px solid var(--stroke)}
.btn-secondary:hover{background:var(--muted);color:var(--bg)}
.btn-small{padding:6px 12px;font-size:12px;border-radius:6px}
.btn-danger{background:var(--error);border:1px solid var(--error);color:white}
.btn-danger:hover{background:var(--error);opacity:0.9}
.manage-alerts{background:var(--accent);color:#001018;border:none;padding:6px 10px;border-radius:6px;font-size:12px;font-weight:600}
.manage-alerts:hover{background:var(--accent2)}
.del{background:var(--error);color:white;border:none;padding:6px 10px;border-radius:6px;font-size:12px;font-weight:600}
.del:hover{background:var(--error);opacity:0.9}

/* Actions column styling to prevent button wrapping */
.table td:last-child {
  white-space: nowrap;
  min-width: 350px;
}

.table td:last-child button {
  margin-right: 6px;
  margin-bottom: 2px;
  font-size: 12px;
  padding: 6px 10px;
}

/* Specific button styling for better layout */
.manage-alerts, .btn-secondary, .del {
  display: inline-block;
  font-size: 12px !important;
  padding: 6px 10px !important;
  margin-right: 6px !important;
  margin-bottom: 2px !important;
  white-space: nowrap;
}

/* Enhanced mobile-first responsive design */
@media (max-width: 1100px){
  .pricing-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}

@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .examples-grid{grid-template-columns:1fr 1fr}
  .modal-content{width:95%;margin:2% auto}
  /* Make actions column fit better on smaller screens */
  .table td:last-child { min-width: 280px; }
  .manage-alerts, .btn-secondary, .del { font-size: 11px !important; padding: 6px 8px !important; }
  
  /* Mobile pricing layout */
  .pricing-grid{grid-template-columns:1fr;gap:20px;max-width:400px;margin:0 auto}
  /* Billing-style pricing layout (homepage) */
  .billing-pricing-grid{grid-template-columns:1fr !important;gap:20px;max-width:420px;margin:0 auto}
}

@media (max-width: 768px){
  .container{padding:16px}
  
  /* Mobile-optimized header with responsive navigation */
  .header{padding:12px 16px;flex-wrap:nowrap;position:relative;z-index:1500}
  
  /* Show hamburger menu on mobile */
  .mobile-menu-toggle{display:flex; z-index: 2100;}
  
  /* Hide desktop nav on mobile initially */
  /* Mobile dropdown menu becomes a fixed, viewport-level panel to avoid being hidden by stacking contexts */
  .nav-menu{display:none;position:fixed;top:64px;right:16px;left:auto;width:min(320px, calc(100vw - 32px));background:var(--card);border:1px solid var(--stroke);border-top:none;border-radius:12px;padding:16px;flex-direction:column;align-items:flex-start;gap:12px;box-shadow:var(--shadow);transform:translateY(-10px);opacity:0;visibility:hidden;transition:all 0.25s ease;z-index:9999;transform-origin:top right;max-height:calc(100vh - 80px);overflow:auto}
  
  /* Show mobile menu when active */
  .nav-menu.active{display:flex;transform:translateY(0);opacity:1;visibility:visible}
  
  /* Adjust nav links for mobile */
  .nav-link{display:block;width:100%;padding:8px 0;border-bottom:1px solid var(--stroke)}
  .nav-link:last-child{border-bottom:none}
  .nav-logout{margin-left:0;margin-top:8px;align-self:flex-start}
  
  /* Enhanced mobile hero section */
  .hero{gap:20px;margin-top:16px}
  .hero-content{padding:24px;border-radius:12px}
  .hero-content h1{font-size:1.8rem;line-height:1.2}
  .hero-content .subhead{font-size:0.95rem}
  .cta{flex-direction:column;gap:12px}
  .cta .btn{width:100%;text-align:center;padding:16px 24px}
  
  /* Enhanced mobile pricing cards - app-style design */
  .pricing{margin-top:24px}
  .pricing h2{text-align:center;margin-bottom:20px}
  .pricing-grid{gap:16px;max-width:350px}
  
  .plan{
    position:relative;
    padding:24px;
    border-radius:24px;
    background:var(--card);
    border:2px solid var(--stroke);
    box-shadow:0 8px 32px rgba(0,0,0,0.12);
    transition:all 0.3s ease;
    overflow:hidden;
  }
  
  .plan::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:4px;
    background:linear-gradient(45deg,var(--accent),var(--accent2));
    transform:scaleX(0);
    transition:transform 0.3s ease;
  }
  
  .plan:hover{
    transform:translateY(-6px);
    box-shadow:0 16px 48px rgba(0,0,0,0.2);
    border-color:var(--accent);
  }
  
  .plan:hover::before{
    transform:scaleX(1);
  }
  
  /* Free plan styling */
  .plan:nth-child(1){
    background:linear-gradient(135deg,rgba(109,214,255,0.06),rgba(122,247,201,0.03));
    border-color:rgba(109,214,255,0.4);
  }
  
  /* Pro plan styling (highlighted) */
  .plan.highlight{
    background:linear-gradient(135deg,rgba(109,214,255,0.1),rgba(122,247,201,0.06));
    border-color:var(--accent);
    position:relative;
    transform:scale(1.02);
  }
  
  .plan.highlight::after{
    content:'MOST POPULAR';
    position:absolute;
    top:-12px;
    left:50%;
    transform:translateX(-50%);
    background:linear-gradient(45deg,var(--accent),var(--accent2));
    color:#001018;
    padding:6px 20px;
    border-radius:16px;
    font-size:10px;
    font-weight:800;
    letter-spacing:1px;
    text-transform:uppercase;
    box-shadow:0 4px 12px rgba(109,214,255,0.3);
  }
  
  /* Premium plan styling */
  .plan.premium{
    background:linear-gradient(135deg,rgba(255,215,0,0.1),rgba(255,193,7,0.06));
    border-color:#FFD700;
    position:relative;
  }
  
  .plan.premium::after{
    content:'👑 PREMIUM';
    position:absolute;
    top:-12px;
    left:50%;
    transform:translateX(-50%);
    background:linear-gradient(45deg,#FFD700,#FFA726);
    color:#001018;
    padding:6px 20px;
    border-radius:16px;
    font-size:10px;
    font-weight:800;
    letter-spacing:1px;
    text-transform:uppercase;
    box-shadow:0 4px 12px rgba(255,215,0,0.4);
  }
  
  .plan h3{
    font-size:1.4rem;
    margin:0 0 12px;
    text-align:center;
    font-weight:700;
  }
  
  .plan .price{
    font-size:2.8rem;
    font-weight:900;
    text-align:center;
    margin:12px 0 20px;
    line-height:1;
  }
  
  .plan .per{
    font-size:1rem;
    opacity:0.7;
    font-weight:500;
  }
  
  .plan ul{
    list-style:none;
    padding:0;
    margin:20px 0 24px;
  }
  
  .plan ul li{
    display:flex;
    align-items:center;
    gap:12px;
    padding:8px 0;
    font-size:0.95rem;
    color:var(--fg);
    line-height:1.4;
  }
  
  .plan ul li::before{
    content:'✓';
    color:var(--accent2);
    font-weight:bold;
    font-size:1.1rem;
    flex-shrink:0;
  }
  
  .plan .btn{
    width:100%;
    padding:16px 24px;
    font-size:1.1rem;
    font-weight:700;
    border-radius:16px;
    margin-top:8px;
    transition:all 0.3s ease;
  }
  
  .plan .btn:hover{
    transform:translateY(-2px);
  }
  
  /* Mobile FAQ improvements */
  .faq-list details{
    margin:12px 0;
  }
  
  .faq-list summary{
    padding:18px;
    font-size:1rem;
    line-height:1.4;
  }
  
  .faq-list details p{
    padding:0 18px 18px;
    font-size:0.95rem;
    line-height:1.6;
  }
  
  /* Mobile examples section */
  .examples{
    padding:20px;
  }
  
  .examples h2{
    font-size:1.4rem;
    margin-bottom:12px;
  }
  
  /* Mobile community stats */
  .community-stats{
    padding:20px;
    margin-top:20px;
  }
  
  .community-stats h2{
    font-size:1.4rem;
    margin-bottom:16px;
    text-align:center;
  }
  
  /* Mobile footer */
  .footer{
    flex-direction:column;
    gap:12px;
    text-align:center;
    padding:20px 16px 16px;
  }
}

/* Mobile form ergonomics and iOS zoom prevention */
@media (max-width: 768px){
  input, select, textarea { font-size:16px; }
  /* Slightly tighter modal on smaller screens */
  .modal-content{ width:94%; margin:4% auto; }
  /* Make close target a bit larger on touch */
  .close{ padding:6px 10px; font-size:30px; }
}

@media (max-width: 640px){
  /* Allow horizontal scroll for the URLs table */
  .table-responsive { border: 1px solid var(--stroke); }
  /* Reduce padding for table cells to fit more content */
  .table th, .table td { padding: 8px; }
  .table td:last-child { min-width: 240px; }
  .manage-alerts, .btn-secondary, .del { font-size: 10px !important; padding: 6px 8px !important; }
  .examples-grid{grid-template-columns:1fr}
  
  /* Ultra-compact mobile pricing */
  .container{padding:12px}
  .hero-content{padding:20px}
  .hero-content h1{font-size:1.6rem}
  .pricing-grid{max-width:320px}
  .plan{padding:20px;border-radius:20px}
  .plan .price{font-size:2.4rem}
  .plan ul li{font-size:0.9rem;padding:6px 0}
  .plan .btn{padding:14px 20px;font-size:1rem}
}

/* Small mobile devices */
@media (max-width: 480px){
  .hero-content h1{font-size:1.4rem;line-height:1.3}
  .hero-content .subhead{font-size:0.9rem}
  .pricing-grid{max-width:300px}
  .plan{padding:18px;border-radius:18px}
  .plan h3{font-size:1.2rem}
  .plan .price{font-size:2.2rem}
  .plan ul li{font-size:0.85rem}
  .plan .btn{padding:14px 18px;font-size:0.95rem}
  
  /* Adjust badges for smaller screens */
  .plan.highlight::after,
  .plan.premium::after{
    font-size:9px;
    padding:5px 16px;
  }
}

/* Mobile touch optimization */
@media (max-width: 768px) {
  /* Larger touch targets */
  .btn{
    min-height:44px;
    font-size:1rem;
  }
  
  /* Better text readability */
  body{
    font-size:16px;
    line-height:1.5;
  }
  
  /* Improved button spacing */
  .cta .btn{
    margin-bottom:8px;
  }
  
  /* Better card spacing */
  .card{
    margin-top:20px;
  }
}
@media (max-width: 480px){
  .hero-content h1{font-size:1.4rem;line-height:1.3}
  .hero-content .subhead{font-size:0.9rem}
  .pricing-grid{max-width:300px}
  .plan{padding:16px;border-radius:16px}
  .plan .price{font-size:2rem}
  .plan ul li{font-size:0.9rem}
  .plan .btn{padding:12px 18px;font-size:0.95rem}
}
 
/* Modern Toast Notifications */
.toast-container {
  position: fixed;
  right: var(--space);
  bottom: var(--space);
  display: flex;
  flex-direction: column;
  gap: var(--space);
  z-index: 2000;
  pointer-events: none;
}

.toast {
  min-width: 300px;
  max-width: 400px;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space) var(--space-md);
  font-size: 0.925rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.hide {
  opacity: 0;
  transform: translateX(100%);
}

.toast-success::before {
  background: var(--success);
}

.toast-error::before {
  background: var(--error);
}

.toast-info::before {
  background: var(--info);
}

.toast-warning::before {
  background: var(--warning);
}

.toast-success {
  border-color: rgba(16, 185, 129, 0.3);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.02));
}

.toast-error {
  border-color: rgba(239, 68, 68, 0.3);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(239, 68, 68, 0.02));
}

.toast-info {
  border-color: rgba(59, 130, 246, 0.3);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(59, 130, 246, 0.02));
}

.toast-warning {
  border-color: rgba(245, 158, 11, 0.3);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.02));
}

/* Dashboard specific components */
.usage-item {
  background: var(--card);
  background-image: var(--gradient-surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.usage-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: bottom;
}

.usage-item:hover::before {
  transform: scaleY(1);
}

.usage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.3);
}

.progress-bar {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  height: 8px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* URL Cards */
.url-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
}

.url-card {
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: var(--card);
  background-image: var(--gradient-surface);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.url-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

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

.url-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 130, 246, 0.3);
}

.url-card .shop {
  font-size: 0.825rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.url-card .title {
  margin: var(--space-sm) 0 var(--space);
  font-weight: 600;
  line-height: 1.4;
}

.url-card .title a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s ease;
}

.url-card .title a:hover {
  color: var(--accent);
}

.url-card .meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.url-card .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

/* Card action buttons */
.card-actions {
  padding-top: var(--space-sm);
  border-top: 1px solid var(--stroke);
}

.card-actions .btn-xs {
  font-size: 0.75rem !important;
  padding: 4px 8px !important;
  line-height: 1.2;
  min-height: auto;
}

.card-actions .switch {
  transform: scale(0.85);
  transform-origin: left center;
}

.card-actions .label-text {
  font-size: 0.75rem;
  white-space: nowrap;
}

.card-actions button,
.card-actions .switch {
  flex-shrink: 0;
}

.card-actions button:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Badge and pill components */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--stroke);
  background: var(--card-secondary);
  color: var(--muted);
  white-space: nowrap;
}

.host-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--stroke);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  background: var(--card-secondary);
}

/* Price related components */
.price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space);
  flex-wrap: wrap;
}

.current-price {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
}

.old-price {
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: line-through;
}

.change-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--stroke);
}

.change-up {
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.1);
}

.change-down {
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.1);
}

.change-neutral {
  color: var(--muted);
  border-color: var(--stroke);
  background: var(--card-secondary);
}

/* Mobile adjustments for components */
@media (max-width: 768px) {
  .toast-container {
    right: var(--space-sm);
    left: var(--space-sm);
    bottom: var(--space-sm);
  }
  
  .toast {
    max-width: 100%;
    min-width: 0;
  }
  
  .url-cards {
    grid-template-columns: 1fr;
  }
  
  .url-card {
    padding: var(--space);
  }
  
  .price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
}

/* General Menu and Dropdown Components */
.menu {
  background: var(--card);
  background-image: var(--gradient-surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) 0;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  opacity: 0;
  transform: scale(0.95) translateY(-8px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  position: absolute;
}

.menu.show {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space);
  color: var(--fg);
  text-decoration: none;
  font-size: 0.925rem;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.menu-item:hover {
  background: var(--card-hover);
  color: var(--accent);
}

.menu-item:active {
  transform: scale(0.98);
}

.menu-item .icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.menu-item:hover .icon {
  opacity: 1;
}

.menu-divider {
  height: 1px;
  background: var(--stroke);
  margin: var(--space-sm) 0;
}

/* Dropdown Toggle Button */
.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space);
  color: var(--fg);
  font-size: 0.925rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.dropdown-toggle:hover {
  background: var(--card-hover);
  border-color: var(--accent-muted);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.dropdown-toggle:active {
  transform: translateY(0);
}

.dropdown-toggle .arrow {
  width: 12px;
  height: 12px;
  transition: transform 0.2s ease;
  opacity: 0.7;
}

.dropdown-toggle.open .arrow {
  transform: rotate(180deg);
}

/* Loading States */
.loading-skeleton {
  background: linear-gradient(90deg, var(--card) 25%, var(--card-hover) 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius);
}

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

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--stroke);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-dots {
  display: inline-flex;
  gap: 4px;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: loading-dot 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loading-dot {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Status Indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--stroke);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-active .status-dot {
  background: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
}

.status-inactive .status-dot {
  background: var(--muted);
  animation: none;
}

.status-error .status-dot {
  background: var(--error);
  border-color: rgba(239, 68, 68, 0.3);
}

.status-warning .status-dot {
  background: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}

.status-active {
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

.status-inactive {
  color: var(--muted);
  background: var(--card-secondary);
}

.status-error {
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
}

.status-warning {
  color: var(--warning);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
}

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

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--muted);
}

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

.empty-state h3 {
  margin-bottom: var(--space-sm);
  color: var(--fg);
  font-weight: 600;
}

.empty-state p {
  margin-bottom: var(--space-md);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Additional utility classes */
.scroll-smooth {
  scroll-behavior: smooth;
}

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

.blur-backdrop {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.glass-effect {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .glass-effect {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animation utilities */
.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(8px); }
}

.slide-up {
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.bounce-in {
  animation: bounceIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 0.9; transform: scale(1.05); }
  80% { opacity: 0.95; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

/* Focus management for accessibility */
.focus-visible:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 6px;
}

/* Print styles */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  .no-print {
    display: none !important;
  }
  
  a, a:visited {
    text-decoration: underline;
  }
  
  .page-break {
    page-break-before: always;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================
   Semantic Alias Layer (Progressive Enhancement)
   Adds .btn-* and .badge-* classes + small utility helpers
   without removing any legacy styles. Safe to adopt gradually.
   ========================================================== */

/* Button base override using CSS variables (non-breaking) */
.btn-primary, .btn-secondary, .btn-accent, .btn-outline, .btn-danger, .btn-warning, .btn-success, .btn-ghost, .btn-light, .btn-gradient {
  --_btn-bg: var(--card);
  --_btn-color: var(--fg);
  --_btn-border: 1px solid transparent;
  --_btn-hover-bg: var(--card-secondary);
  position: relative;
}

.btn-primary { --_btn-bg: var(--accent); --_btn-hover-bg: var(--accent2); --_btn-color:#fff; }
.btn-secondary { --_btn-bg: var(--card-secondary); --_btn-hover-bg: var(--stroke); }
.btn-accent { --_btn-bg: linear-gradient(135deg,var(--accent),var(--accent3)); --_btn-hover-bg: linear-gradient(135deg,var(--accent3),var(--accent)); --_btn-color:#fff; }
.btn-outline { --_btn-bg: transparent; --_btn-color: var(--accent); --_btn-border: 1px solid var(--accent); }
.btn-outline:hover { --_btn-bg: var(--accent); --_btn-color:#fff; }
.btn-danger { --_btn-bg: var(--error); --_btn-hover-bg:#dc2626; --_btn-color:#fff; }
.btn-warning { --_btn-bg: var(--warning); --_btn-hover-bg:#f59e0b; --_btn-color:#000; }
.btn-success { --_btn-bg: var(--success); --_btn-hover-bg:#059669; --_btn-color:#fff; }
.btn-ghost { --_btn-bg: transparent; --_btn-color: var(--muted); }
.btn-ghost:hover { --_btn-bg: var(--card-secondary); --_btn-color: var(--fg); }
.btn-light { --_btn-bg: var(--card-secondary); --_btn-hover-bg: var(--stroke); }
.btn-gradient { --_btn-bg: linear-gradient(135deg,var(--accent),var(--accent2)); --_btn-hover-bg: linear-gradient(135deg,var(--accent2),var(--accent)); --_btn-color:#fff; }

/* Apply variable driven styles */
.btn-primary, .btn-secondary, .btn-accent, .btn-outline, .btn-danger, .btn-warning, .btn-success, .btn-ghost, .btn-light, .btn-gradient {
  background: var(--_btn-bg);
  color: var(--_btn-color);
  border: var(--_btn-border);
  transition: background .25s, color .25s, border-color .25s, box-shadow .25s;
}
.btn-primary:hover, .btn-secondary:hover, .btn-accent:hover, .btn-outline:hover, .btn-danger:hover, .btn-warning:hover, .btn-success:hover, .btn-ghost:hover, .btn-light:hover, .btn-gradient:hover {
  background: var(--_btn-hover-bg);
}

/* Size aliases */
.btn-xs { padding: .35rem .6rem !important; font-size:.65rem !important; border-radius: var(--radius-sm) !important; }
.btn-sm { padding: .5rem .75rem !important; font-size:.75rem !important; }
.btn-lg { padding: .9rem 1.35rem !important; font-size:1.05rem !important; border-radius: var(--radius-lg) !important; }
.btn-xl { padding: 1.1rem 1.6rem !important; font-size:1.2rem !important; border-radius: var(--radius-xl) !important; }

/* Icon button refinement */
.btn-icon { width:2.25rem; height:2.25rem; padding:0; display:inline-flex; align-items:center; justify-content:center; }
.btn-icon.btn-sm { width:1.9rem; height:1.9rem; }

/* Badges */
.badge { display:inline-flex; align-items:center; font-weight:600; font-size:.625rem; letter-spacing:.5px; text-transform:uppercase; padding:.30rem .55rem; border-radius: var(--radius-full); background: var(--card-secondary); color: var(--muted); gap:.25rem; line-height:1; }
.badge-soft { background: var(--card); }
.badge-outline { background: transparent; border:1px solid var(--stroke); }
.badge-accent { background: var(--accent); color:#fff; }
.badge-accent2 { background: var(--accent2); color:#001018; }
.badge-accent3 { background: var(--accent3); color:#fff; }
.badge-success { background: var(--success); color:#fff; }
.badge-error { background: var(--error); color:#fff; }
.badge-warning { background: var(--warning); color:#000; }
.badge-info { background: var(--info); color:#fff; }
.badge-muted { background: var(--stroke); color: var(--fg); }
.badge-pill { border-radius: var(--radius-full); padding:.4rem .75rem; }

/* Dot badge */
.badge-dot { position:relative; padding-left:1rem; }
.badge-dot:before { content:""; position:absolute; left:.45rem; top:50%; transform:translateY(-50%); width:.45rem; height:.45rem; border-radius:50%; background: currentColor; opacity:.9; }

/* Lightweight alert component */
.alert { padding:.85rem 1rem; border-radius: var(--radius-md); background: var(--card-secondary); border:1px solid var(--stroke); display:flex; gap:.75rem; align-items:flex-start; }
.alert-title { font-weight:600; margin-bottom:.15rem; }
.alert-info { border-color: var(--info); background: rgba(59,130,246,0.12); }
.alert-success { border-color: var(--success); background: rgba(16,185,129,0.12); }
.alert-warning { border-color: var(--warning); background: rgba(245,158,11,0.18); }
.alert-error { border-color: var(--error); background: rgba(239,68,68,0.15); }

/* Spacing utilities (compact set) */
:root { --space-1:.25rem; --space-2:.5rem; --space-3:.75rem; --space-4:1rem; --space-5:1.5rem; --space-6:2rem; }
.m-0{margin:0!important} .mt-0{margin-top:0!important} .mb-0{margin-bottom:0!important} .ms-0{margin-left:0!important} .me-0{margin-right:0!important}
.m-1{margin:var(--space-1)!important} .mt-1{margin-top:var(--space-1)!important} .mb-1{margin-bottom:var(--space-1)!important} .ms-1{margin-left:var(--space-1)!important} .me-1{margin-right:var(--space-1)!important}
.m-2{margin:var(--space-2)!important} .mt-2{margin-top:var(--space-2)!important} .mb-2{margin-bottom:var(--space-2)!important} .ms-2{margin-left:var(--space-2)!important} .me-2{margin-right:var(--space-2)!important}
.m-3{margin:var(--space-3)!important} .mt-3{margin-top:var(--space-3)!important} .mb-3{margin-bottom:var(--space-3)!important} .ms-3{margin-left:var(--space-3)!important} .me-3{margin-right:var(--space-3)!important}
.m-4{margin:var(--space-4)!important} .mt-4{margin-top:var(--space-4)!important} .mb-4{margin-bottom:var(--space-4)!important} .ms-4{margin-left:var(--space-4)!important} .me-4{margin-right:var(--space-4)!important}
.m-5{margin:var(--space-5)!important} .mt-5{margin-top:var(--space-5)!important} .mb-5{margin-bottom:var(--space-5)!important} .ms-5{margin-left:var(--space-5)!important} .me-5{margin-right:var(--space-5)!important}
.m-6{margin:var(--space-6)!important} .mt-6{margin-top:var(--space-6)!important} .mb-6{margin-bottom:var(--space-6)!important} .ms-6{margin-left:var(--space-6)!important} .me-6{margin-right:var(--space-6)!important}

.p-0{padding:0!important} .pt-0{padding-top:0!important} .pb-0{padding-bottom:0!important} .ps-0{padding-left:0!important} .pe-0{padding-right:0!important}
.p-1{padding:var(--space-1)!important} .pt-1{padding-top:var(--space-1)!important} .pb-1{padding-bottom:var(--space-1)!important} .ps-1{padding-left:var(--space-1)!important} .pe-1{padding-right:var(--space-1)!important}
.p-2{padding:var(--space-2)!important} .pt-2{padding-top:var(--space-2)!important} .pb-2{padding-bottom:var(--space-2)!important} .ps-2{padding-left:var(--space-2)!important} .pe-2{padding-right:var(--space-2)!important}
.p-3{padding:var(--space-3)!important} .pt-3{padding-top:var(--space-3)!important} .pb-3{padding-bottom:var(--space-3)!important} .ps-3{padding-left:var(--space-3)!important} .pe-3{padding-right:var(--space-3)!important}
.p-4{padding:var(--space-4)!important} .pt-4{padding-top:var(--space-4)!important} .pb-4{padding-bottom:var(--space-4)!important} .ps-4{padding-left:var(--space-4)!important} .pe-4{padding-right:var(--space-4)!important}
.p-5{padding:var(--space-5)!important} .pt-5{padding-top:var(--space-5)!important} .pb-5{padding-bottom:var(--space-5)!important} .ps-5{padding-left:var(--space-5)!important} .pe-5{padding-right:var(--space-5)!important}
.p-6{padding:var(--space-6)!important} .pt-6{padding-top:var(--space-6)!important} .pb-6{padding-bottom:var(--space-6)!important} .ps-6{padding-left:var(--space-6)!important} .pe-6{padding-right:var(--space-6)!important}

/* Flex / layout helpers */
.flex { display:flex!important; }
.inline-flex { display:inline-flex!important; }
.flex-col { flex-direction:column!important; }
.items-center { align-items:center!important; }
.items-start { align-items:flex-start!important; }
.items-end { align-items:flex-end!important; }
.justify-center { justify-content:center!important; }
.justify-between { justify-content:space-between!important; }
.justify-start { justify-content:flex-start!important; }
.justify-end { justify-content:flex-end!important; }
.gap-1 { gap:var(--space-1)!important; } .gap-2 { gap:var(--space-2)!important; } .gap-3 { gap:var(--space-3)!important; } .gap-4 { gap:var(--space-4)!important; } .gap-5 { gap:var(--space-5)!important; }

/* Text color helpers */
.text-muted { color: var(--muted)!important; }
.text-accent { color: var(--accent)!important; }
.text-error { color: var(--error)!important; }
.text-warning { color: var(--warning)!important; }
.text-success { color: var(--success)!important; }

/* Width helpers */
.w-100 { width:100%!important; }
.max-w-sm { max-width:30rem!important; }
.max-w-md { max-width:40rem!important; }
.max-w-lg { max-width:56rem!important; }

/* Card & panel aliases */
.card-surface { background: var(--card-secondary); border:1px solid var(--stroke); padding:1rem 1.25rem; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.card-surface:hover { box-shadow: var(--shadow-lg); }
.panel-inset { background: var(--card-secondary); }

/* Active nav link (used by ui.js) */
.nav-link.active { color: var(--accent); font-weight:600; position:relative; }
.nav-link.active:after { content:""; position:absolute; left:0; bottom:-.35rem; width:100%; height:2px; background: var(--accent); border-radius:2px; }

/* Password wrapper (ui.js) */
.password-wrapper { position:relative; }
.password-wrapper .btn-eye { position:absolute; top:50%; right:.45rem; transform:translateY(-50%); background:var(--card-secondary); border:1px solid var(--stroke); }
.password-wrapper .btn-eye:hover { background:var(--stroke); }

/* Light theme adjustments */
:root.light-theme .btn-outline { --_btn-color: var(--accent); }
:root.light-theme .btn-ghost { --_btn-color: var(--muted); }