/* Modern CSS Variables - Vibrant & Premium Design System */
:root {
  /* Core Brand Colors - Electric & Energetic */
  --primary: linear-gradient(135deg, #6366f1, #8b5cf6);
  --primary-solid: #6366f1;
  --primary-light: #a5b4fc;
  --primary-dark: #4338ca;
  --secondary: linear-gradient(135deg, #f59e0b, #f97316);
  --secondary-solid: #f59e0b;
  
  /* Accent Colors - Vibrant Palette */
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-orange: #f97316;
  
  /* Status Colors */
  --success: #10b981;
  --success-glow: 0 0 20px rgba(16, 185, 129, 0.3);
  --danger: #ef4444;
  --danger-glow: 0 0 20px rgba(239, 68, 68, 0.3);
  --warning: #f59e0b;
  --warning-glow: 0 0 20px rgba(245, 158, 11, 0.3);
  
  /* Background System - Layered & Dynamic */
  --bg-base: #0a0a0b;
  --bg-primary: #ffffff;
  --bg-secondary: #fafbff;
  --bg-tertiary: #f1f5fb;
  --bg-glass: rgba(255, 255, 255, 0.95);
  --bg-card: rgba(255, 255, 255, 0.98);
  --bg-elevated: rgba(255, 255, 255, 1);
  
  /* Gradient Backgrounds */
  --bg-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --bg-gradient-subtle: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
  --bg-gradient-radial: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  
  /* Text System - Hierarchy & Contrast */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  --text-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
  
  /* Border System */
  --border: rgba(226, 232, 240, 0.8);
  --border-light: rgba(241, 245, 249, 0.6);
  --border-strong: rgba(148, 163, 184, 0.4);
  --border-glow: rgba(99, 102, 241, 0.2);
  
  /* Premium Shadow System */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
  --shadow-glow-lg: 0 0 60px rgba(99, 102, 241, 0.4);
  
  /* Spacing System - Generous & Rhythmic */
  --space-px: 1px;
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Layout System */
  --max-width: 1200px;
  --max-width-sm: 640px;
  --max-width-md: 768px;
  --max-width-lg: 1024px;
  
  /* Border Radius - Soft & Modern */
  --radius-xs: 0.125rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* Animation System */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.2s ease-out;
  --transition-slow: 0.3s ease-out;
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
}

/* Font Imports - Premium Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-secondary);
  background-image: var(--bg-gradient-radial);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  line-height: 1.7;
  font-size: var(--font-size-base);
  font-weight: 400;
  letter-spacing: -0.01em;
  min-height: 100vh;
  position: relative;
}

/* Enhanced scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-purple));
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-tertiary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-solid), var(--accent-purple));
}

/* Enhanced Layout System */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
}

.container-sm {
  max-width: var(--max-width-sm);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-lg {
  max-width: var(--max-width-lg);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* Responsive spacing */
@media (max-width: 768px) {
  .container,
  .container-sm,
  .container-lg {
    padding: 0 var(--space-4);
  }
}

/* Premium Navigation System */
.topbar {
  background: #11181b !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-5) 0;
  margin-bottom: var(--space-10);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(99, 102, 241, 0.05) 50%, 
    transparent 100%);
  pointer-events: none;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.topbar .logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: var(--font-size-2xl);
  text-decoration: none;
  background: linear-gradient(135deg, #8B5CF6, #6366F1, #3B82F6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  transition: all var(--transition-base);
}

.topbar .logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-right a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nav-right a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(99, 102, 241, 0.1), 
    transparent);
  transition: left var(--transition-base);
}

.nav-right a:hover {
  color: var(--primary-solid);
  background: rgba(99, 102, 241, 0.05);
  transform: translateY(-1px);
}

.nav-right a:hover::before {
  left: 100%;
}

/* Auth pages navigation styles */
body[data-page="login"] .nav-right a,
body[data-page="register"] .nav-right a {
  color: white;
}

body[data-page="login"] .nav-right a:hover,
body[data-page="register"] .nav-right a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.1);
}

body[data-page="login"] .topbar .logo,
body[data-page="register"] .topbar .logo {
  background: linear-gradient(135deg, #8B5CF6, #6366F1, #3B82F6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Header navigation link styles */
.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
  color: white;
}

.nav-link.btn-outline {
  border: 2px solid #6366f1;
  background: transparent;
  color: #6366f1;
  font-weight: 600;
}

.nav-link.btn-outline:hover {
  background: #6366f1;
  color: white;
  transform: translateY(-1px);
}

/* Premium Card System */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(99, 102, 241, 0.3) 50%, 
    transparent 100%);
}

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

.card-premium {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(255, 255, 255, 0.9) 100%);
  box-shadow: 
    var(--shadow-xl),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 0 40px rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.1);
}

.card-glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Premium Typography System */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-8);
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Body text styles */
p {
  margin: 0 0 var(--space-4) 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-large {
  font-size: var(--font-size-lg);
  font-weight: 400;
}

.text-small {
  font-size: var(--font-size-sm);
}

.text-gradient {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

/* Premium Form System */
label {
  display: block;
  margin-bottom: var(--space-6);
  font-weight: 500;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  letter-spacing: 0.01em;
}

.form-group {
  margin-bottom: var(--space-6);
  position: relative;
}

input, textarea, select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: all var(--transition-base);
  background: var(--bg-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-light);
  font-weight: 400;
}

input:focus, 
textarea:focus, 
select:focus {
  outline: none;
  border-color: var(--primary-solid);
  box-shadow: 
    0 0 0 4px rgba(99, 102, 241, 0.1),
    var(--shadow-glow);
  transform: translateY(-2px);
  background: var(--bg-elevated);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Floating label effect */
.form-floating {
  position: relative;
}

.form-floating label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  color: var(--text-light);
  transition: all var(--transition-base);
  pointer-events: none;
  background: var(--bg-primary);
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  margin: 0;
}

.form-floating input:focus + label,
.form-floating input:not(:placeholder-shown) + label {
  top: -var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--primary-solid);
  font-weight: 500;
}

/* Premium Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-sm);
  font-family: inherit;
  transition: all var(--transition-base);
  text-decoration: none;
  min-height: 48px;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-md);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.2), 
    transparent);
  transition: left var(--transition-base);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  filter: brightness(1.1);
}

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

.btn:active {
  transform: translateY(-1px);
  transition: transform var(--transition-fast);
}

/* Button variants */
.btn-primary {
  background: var(--primary);
}

.btn-secondary {
  background: transparent;
  color: #dc3545;
  border: 2px solid #dc3545;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: #dc3545;
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-solid);
  border: 2px solid var(--primary-solid);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--primary-solid);
  color: var(--text-inverse);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline {
  background: var(--bg-glass);
  color: #dc3545;
  border: 1.5px solid #dc3545;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.btn-outline:hover {
  background: #dc3545;
  border-color: #dc3545;
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  box-shadow: var(--shadow-md), var(--danger-glow);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  box-shadow: var(--shadow-md), var(--success-glow);
}

/* Button sizes */
.btn-sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-xs);
  min-height: 36px;
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-base);
  min-height: 56px;
  font-weight: 700;
}

/* Action Buttons - Modern Icon Buttons */
.delete-form {
  display: inline-block;
  margin: 0;
}

.delete-btn {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  font-size: 1.1rem;
  cursor: pointer;
  padding: var(--space-3);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  color: var(--danger);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.delete-btn:hover {
  background: var(--danger);
  color: var(--text-inverse);
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--danger-glow);
  border-color: var(--danger);
}

.edit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  font-size: 1.1rem;
  cursor: pointer;
  padding: var(--space-3);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  color: var(--primary-solid);
  text-decoration: none;
  margin-right: var(--space-2);
  width: 36px;
  height: 36px;
}

.edit-btn:hover {
  background: var(--primary-solid);
  color: var(--text-inverse);
  transform: scale(1.1) rotate(-5deg);
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-solid);
}

/* Premium Category Card Styles */
.category-card {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-slow);
  margin-bottom: var(--space-4);
}

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

.category-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: var(--border-glow);
}

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

.category-content {
  flex: 1;
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.category-content:hover {
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.03) 0%, 
    rgba(139, 92, 246, 0.03) 100%);
}

.category-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-left: 1px solid var(--border-light);
}

/* Brand Actions */
.brand-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.link-btn {
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.1);
  color: var(--primary-solid);
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.link-btn:hover {
  background: var(--primary-solid);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  border-color: var(--primary-solid);
}

.nav-btn {
  background: var(--bg-glass);
  border: 1.5px solid var(--primary-solid);
  color: var(--primary-solid);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  margin: 0 var(--space-1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary);
  transition: left var(--transition-base);
  z-index: -1;
}

.nav-btn:hover {
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.nav-btn:hover::before {
  left: 0;
}

.nav-btn.active {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* Premium Dashboard Tabs */
.dashboard-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-10);
  padding: var(--space-2);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.tab-btn {
  background: transparent;
  border: none;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  transform: scale(0);
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
  z-index: -1;
}

.tab-btn:hover {
  color: var(--primary-solid);
  transform: translateY(-2px);
}

.tab-btn.active {
  color: var(--text-inverse);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.tab-btn.active::before {
  transform: scale(1);
}

/* Small forms (inline forms) */
.small-form {
  display: flex;
  gap: var(--space-3);
  align-items: end;
  flex-wrap: wrap;
}

.small-form label {
  flex: 1;
  min-width: 200px;
  margin-bottom: 0;
}

.small-form .btn {
  flex-shrink: 0;
}

/* Form helpers */
.form-helper {
  display: block;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: var(--space-1);
  line-height: 1.4;
}

/* Premium Collapsible Sections */
.collapsible-sections {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.collapsible-section {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.collapsible-section:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: var(--border-glow);
}

.section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  padding: var(--space-6);
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.05) 0%, 
    rgba(139, 92, 246, 0.05) 100%);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  gap: var(--space-4);
  position: relative;
}

.section-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(99, 102, 241, 0.1), 
    transparent);
  transition: left var(--transition-base);
}

.section-toggle:hover {
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.1) 0%, 
    rgba(139, 92, 246, 0.1) 100%);
}

.section-toggle:hover::before {
  left: 100%;
}

.section-toggle h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: 600;
  flex: 1;
}

.toggle-icon {
  font-size: var(--font-size-lg);
  color: var(--primary-solid);
  transition: transform var(--transition-base);
  background: rgba(99, 102, 241, 0.1);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-toggle.active .toggle-icon {
  transform: rotate(180deg);
  background: var(--primary-solid);
  color: var(--text-inverse);
}

.section-content {
  border-top: 1px solid var(--border-light);
  background: var(--bg-primary);
}

.section-content .card {
  border: none;
  border-radius: 0;
  margin: 0;
  background: transparent;
  box-shadow: none;
}

/* Premium Quick Link Buttons */
.category-quick-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.quick-link-btn {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.quick-link-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition-base);
}

.quick-link-btn:hover {
  background: var(--bg-primary);
  text-decoration: none;
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-glow);
}

.quick-link-btn:hover::before {
  transform: scaleY(1);
}

.quick-link-btn small {
  color: var(--text-muted);
  margin-left: auto;
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-full);
  font-weight: 500;
}

/* Dashboard Content Wrapper */
.dashboard-content {
  transition: filter 0.3s ease;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
  max-width: 90vw;
  max-height: 90vh;
  width: 600px;
  overflow: hidden;
  animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  border: 1px solid var(--border-glow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8);
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(135deg, 
    rgba(99, 102, 241, 0.05) 0%, 
    rgba(139, 92, 246, 0.05) 100%);
  position: relative;
}

.modal-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

.modal-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.modal-close {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  font-size: var(--font-size-lg);
  cursor: pointer;
  color: var(--danger);
  padding: var(--space-3);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--danger);
  color: var(--text-inverse);
  transform: scale(1.1) rotate(90deg);
  box-shadow: var(--danger-glow);
}

.modal-body {
  padding: var(--space-8);
  max-height: calc(90vh - 160px);
  overflow-y: auto;
}

.modal-body .card {
  border: none;
  box-shadow: none;
  padding: 0;
  margin: 0;
  background: transparent;
}

/* Enhanced blur effect for background */
.blur-background {
  filter: blur(8px);
  -webkit-filter: blur(8px);
  transition: filter var(--transition-slow);
}

/* Premium Animation System */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

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

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation utility classes */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.animate-slide-left {
  animation: slideInFromLeft 0.6s ease-out;
}

.animate-slide-right {
  animation: slideInFromRight 0.6s ease-out;
}

.animate-zoom-in {
  animation: zoomIn 0.4s ease-out;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

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

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

/* Stagger animations for lists */
.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }

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

/* Responsive modal */
@media (max-width: 768px) {
  .modal-content {
    width: 95vw;
    max-height: 95vh;
  }
  
  .modal-header,
  .modal-body {
    padding: var(--space-4);
  }
}

.current-icon,
.current-logo {
  display: flex;
  align-items: center;
  margin-top: var(--space-2);
}

.current-icon img,
.current-logo img {
  border: 1px solid var(--border);
}

/* Flash messages */
.flash-area {
  margin-bottom: var(--space-6);
}

.flash {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  font-weight: 500;
}

.flash.success {
  background: rgb(16 185 129 / 0.1);
  color: #065f46;
  border: 1px solid rgb(16 185 129 / 0.2);
}

.flash.danger {
  background: rgb(239 68 68 / 0.1);
  color: #991b1b;
  border: 1px solid rgb(239 68 68 / 0.2);
}

/* Analytics Styles */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-align: center;
}

.stat-card h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.stat-number {
  display: block;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-card small {
  display: block;
  margin-top: var(--space-1);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.top-links-section {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.top-links-section h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--text-primary);
  font-size: 1.125rem;
}

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

.top-link-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.link-info strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
}

.link-info small {
  color: var(--text-muted);
  font-size: 0.875rem;
  word-break: break-all;
}

.link-clicks {
  text-align: right;
  flex-shrink: 0;
}

.link-clicks .click-count {
  display: block;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.link-clicks small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Profile styles */
.profile-card {
  padding: 2rem;
  text-align: center;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid #e5e7eb;
  max-width: 600px;
  margin: 2rem auto;
  position: relative;
}

.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 3px solid #f3f4f6;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.profile-card h1 {
  font-size: 1.875rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: #1f2937;
}

/* Avatar Upload Styles */
.avatar-section {
  margin: var(--space-6) 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.current-avatar {
  margin: var(--space-3) 0;
  display: flex;
  justify-content: center;
}

.avatar-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
}

.no-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 3px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: center;
}

.file-input {
  display: none;
}

.file-input-helper {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-input-helper:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.file-btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

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

.avatar-url-option {
  margin-top: var(--space-4);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.avatar-url-option summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-2);
}

.avatar-url-option summary:hover {
  color: var(--primary);
}

.avatar-url-option[open] summary {
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-light);
}


.bio {
  color: #6b7280;
  font-size: 1rem;
  max-width: 400px;
  margin: 0 auto 2rem auto;
  line-height: 1.5;
  font-weight: 400;
}

/* Links column */
.links-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  width: 100%;
}

.link-btn.big {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 500px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius);
  background: var(--text-primary);
  color: var(--bg-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  transition: all 0.2s ease;
  min-height: 56px;
}

.link-btn.big:hover {
  background: var(--text-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Link management */
.link-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

.link-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
}

.link-list li:hover {
  background: var(--border-light);
}

.link-list li a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  flex: 1;
}

.link-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.link-actions form {
  margin: 0;
}

/* Stats */
.stats-list {
  list-style: none;
  padding: 0;
}

.stats-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-light);
}

.stats-list li:last-child {
  border-bottom: none;
}

/* Form sections */
.form-section {
  margin-bottom: var(--space-8);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-start;
  margin-top: var(--space-6);
}

/* Public profile link */
.public-link {
  display: inline-block;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  margin-top: var(--space-4);
}

.public-link:hover {
  background: var(--border-light);
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-12);
  background: var(--bg-primary);
}

/* Auth pages */
.auth-container {
  max-width: 400px;
  margin: var(--space-12) auto;
}

.auth-card {
  background: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeIn 0.3s ease-out;
}

/* Loading states */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: var(--shadow);
}

/* Focus indicators for accessibility */
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
.btn:focus-visible,
.link-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Improved checkbox styling */
input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* Better form spacing */
.form-actions > * + * {
  margin-left: var(--space-3);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .topbar {
    padding: var(--space-3) 0;
  }
  
  .topbar .container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  
  .nav-right {
    justify-content: center;
    gap: var(--space-6);
  }
  
  .small-form {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .small-form label {
    min-width: unset;
  }
  
  .small-form .btn {
    align-self: flex-start;
  }
  
  .link-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .link-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .profile-card {
    padding: 1.5rem 1rem;
    margin: 1rem auto;
    border-radius: 12px;
  }
  
  .profile-card h1 {
    font-size: 1.5rem;
  }
  
  .avatar {
    width: 80px;
    height: 80px;
  }
  
  .bio {
    font-size: 0.875rem;
  }
  
  .public-content {
    margin-top: 1.5rem;
  }
  
  .public-category-card,
  .public-brand-card,
  .public-link-card {
    padding: 0.875rem;
  }
  
  .category-icon,
  .brand-icon,
  .link-icon {
    width: 36px;
    height: 36px;
  }
  
  .back-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 0;
  }
  
  #categoryTitle,
  #subcategoryTitle {
    font-size: 1rem;
  }

/* Powered by Footer */
.powered-by-footer {
  text-align: center;
  margin: 4rem -1.5rem 2rem -1.5rem;
  padding: 1.5rem;
  width: calc(100% + 3rem);
  background-color: transparent;
}

.powered-by-footer p {
  margin: 0;
  color: #6b7280;
  font-size: 0.875rem;
  font-weight: 400;
  text-align: center;
}

.footer-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #4f46e5;
}
  
  h1 {
    font-size: 1.875rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .auth-container {
    margin: var(--space-6) auto;
  }
  
  .auth-card {
    padding: var(--space-6);
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .form-actions > * {
    margin-left: 0;
  }
  
  .public-link {
    font-size: 0.875rem;
    word-break: break-all;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-2);
  }
  
  .card {
    padding: var(--space-4);
  }
  
  .auth-card {
    padding: var(--space-4);
  }
  
  .profile-card {
    padding: var(--space-4);
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .link-btn.big {
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
  }
}

/* Theme Support */
.profile-card.dark {
  background: #1f2937;
  color: #f9fafb;
}

.profile-card.dark .bio {
  color: #d1d5db;
}

.profile-card.light {
  background: #ffffff;
  color: #111827;
  border: 2px solid #f3f4f6;
}

.profile-card.colorful {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.profile-card.colorful h1 {
  color: #fff !important;
  text-shadow: none !important;
  background-color: rgba(255, 255, 255, 0.95) !important;
  padding: 0.5rem 1rem !important;
  border-radius: 8px !important;
  display: inline-block !important;
  font-weight: 700 !important;
  -webkit-text-fill-color: #fff !important;
}

.profile-card.colorful .bio {
  color: #f3f4f6;
}

.profile-card.colorful .link-btn.big {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.profile-card.colorful .link-btn.big:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Category and Brand System Styling */
.page-header {
  margin-bottom: var(--space-8);
}

.page-header h2 {
  margin-bottom: var(--space-2);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

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

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.category-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.2s ease;
  cursor: pointer;
}

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

.category-color-bar {
  height: 4px;
  width: 100%;
}

.category-content {
  padding: var(--space-6);
}

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

.category-header h4 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.item-count {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.category-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.category-actions {
  margin-top: var(--space-4);
}

/* Brand Grid */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.brand-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.2s ease;
}

.brand-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.brand-content {
  padding: var(--space-6);
}

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

.brand-header h4 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.brand-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  line-height: 1.5;
  font-size: 0.875rem;
}

.brand-website {
  display: inline-block;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
}

.brand-website:hover {
  text-decoration: underline;
}

.brand-actions {
  margin-top: var(--space-4);
}

/* Link Management */
.link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.link-item {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  border: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.link-content {
  flex: 1;
}

.link-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.link-header h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}

.click-count {
  background: var(--primary);
  color: white;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.link-url {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: var(--space-1) 0;
  word-break: break-all;
}

.link-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: var(--space-2) 0 0 0;
}

.link-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Button Sizes */
.btn.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  min-height: auto;
}

/* Form Styling */
.form-group {
  margin-bottom: var(--space-4);
}

.category-form,
.brand-form,
.link-form {
  display: grid;
  gap: var(--space-4);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-muted);
}

.empty-state h4 {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.empty-state p {
  margin: 0;
}

/* Mobile Responsiveness for Category System */
@media (max-width: 768px) {
  .category-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .brand-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .link-item {
    flex-direction: column;
    align-items: stretch;
  }
  
  .link-actions {
    justify-content: flex-end;
    margin-top: var(--space-3);
  }
  
  .category-header,
  .brand-header,
  .link-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .breadcrumb {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .category-content,
  .brand-content {
    padding: var(--space-4);
  }
  
  .link-actions {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .btn.btn-sm {
    padding: var(--space-3);
    text-align: center;
  }
}

/* Public Profile Styles */
.public-content {
  margin-top: 2rem;
}

.public-categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.public-category-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.public-category-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.public-category-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.category-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.category-icon .custom-icon {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 6px;
}

.category-info {
  flex: 1;
  text-align: left;
  min-width: 0;
}

.public-category-card h3 {
  margin: 0 0 0.25rem 0;
  color: #1f2937;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
}

.category-desc {
  color: #6b7280;
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.4;
}

.expand-indicator {
  background: #f3f4f6;
  color: #6b7280;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* Public Subcategories Grid */
.public-subcategories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.public-brand-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.public-brand-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.public-brand-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.brand-icon .custom-icon {
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 4px;
}

.brand-info {
  flex: 1;
  min-width: 0;
}

.public-brand-card h4 {
  margin: 0 0 0.125rem;
  color: #1f2937;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
}

.brand-desc {
  color: #6b7280;
  font-size: 0.75rem;
  margin: 0;
  line-height: 1.3;
}

.link-count {
  background: #f3f4f6;
  color: #6b7280;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  flex-shrink: 0;
}

/* Public Links Grid */
.public-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.public-link-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.public-link-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.public-link-content {
  display: flex;
  align-items: center;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  gap: 0.75rem;
}

.public-link-content:hover {
  color: inherit;
  text-decoration: none;
}

.link-icon {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: #f3f4f6;
  color: #6b7280;
  flex-shrink: 0;
}

.link-icon .link-image {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
}

.link-info {
  flex: 1;
  min-width: 0;
}

.public-link-card h4 {
  margin: 0 0 0.125rem;
  color: #1f2937;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-desc {
  color: #6b7280;
  font-size: 0.75rem;
  margin: 0;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Content Container Styling */
.content-container {
  max-width: 600px;
  margin: 0 auto;
}

.back-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.back-btn {
  background: #f3f4f6;
  color: #6b7280;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.back-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

#categoryTitle,
#subcategoryTitle {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  margin: 0;
}

.public-brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.public-brand-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

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

.public-brand-content {
  text-align: center;
}

.brand-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
}

.brand-icon .custom-icon {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 50%;
}

.public-brand-card h4 {
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.brand-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.link-count {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.public-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.public-link-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  overflow: hidden;
}

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

.public-link-content {
  display: block;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
}

.link-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.link-image {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 2px solid var(--border-light);
  transition: all var(--transition-base);
}

.link-image:hover {
  transform: scale(1.05);
  border-color: var(--primary-solid);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.public-link-card h4 {
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.link-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.click-count {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.back-nav {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.back-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

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

.back-nav h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
}

.loading-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-left-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.empty-public-profile {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.brands-container,
.links-container {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Enhanced Responsive Design System */
@media (max-width: 768px) {
  :root {
    --space-6: 1rem;
    --space-8: 1.5rem;
    --space-10: 2rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--space-4);
  }
  
  .topbar {
    padding: var(--space-4) 0;
    margin-bottom: var(--space-6);
  }
  
  .topbar .logo-img {
    height: 40px;
  }
  
  .nav-right {
    gap: var(--space-2);
  }
  
  .nav-right a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
  
  .card {
    padding: var(--space-5);
    margin-bottom: var(--space-5);
  }
  
  .btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-xs);
    min-height: 44px;
  }
  
  .dashboard-tabs {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
  }
  
  .tab-btn {
    padding: var(--space-3) var(--space-4);
    justify-content: center;
  }
  
  .collapsible-section {
    margin-bottom: var(--space-4);
  }
  
  .section-toggle {
    padding: var(--space-4);
  }
  
  .modal-content {
    width: 95vw;
    max-height: 95vh;
  }
  
  .modal-header,
  .modal-body {
    padding: var(--space-5);
  }
  
  .public-categories-grid,
  .public-brands-grid,
  .public-links-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .back-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .category-actions {
    padding: var(--space-3);
  }
  
  .small-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .small-form label {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .topbar .container {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .nav-right {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  h1 {
    font-size: var(--font-size-3xl);
    text-align: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .public-categories-grid,
  .public-brands-grid,
  .public-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .public-categories-grid,
  .public-brands-grid,
  .public-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Print styles */
@media print {
  .topbar,
  .modal-overlay,
  .btn,
  .edit-btn,
  .delete-btn {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-solid: #000080;
    --text-primary: #000000;
    --text-secondary: #333333;
    --border: #666666;
    --bg-primary: #ffffff;
  }
}

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

/* Premium Utility Classes */
.glass-effect {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
}

.glow-effect {
  box-shadow: var(--shadow-glow);
}

.hover-glow {
  transition: all var(--transition-base);
}

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

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

.premium-border {
  border: 1px solid var(--border-glow);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.energy-pulse {
  position: relative;
}

.energy-pulse::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  animation: energyPulse 2s ease-in-out infinite;
}

@keyframes energyPulse {
  0%, 100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(1.02);
  }
}

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

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(99, 102, 241, 0.2), 
    transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  to {
    left: 100%;
  }
}

/* Premium Footer Styling */
.footer {
  margin-top: var(--space-20);
  padding: var(--space-8);
  text-align: center;
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-8);
}

.footer small {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.footer-actions {
  margin-top: var(--space-4);
}

.contact-btn {
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Support Request Modal */
.support-modal {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 0;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
}

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

.support-modal .modal-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.support-modal .modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

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

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

.support-modal .form-group {
  margin-bottom: var(--space-5);
}

.support-modal .form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.support-modal .form-group input,
.support-modal .form-group textarea {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-base);
  box-sizing: border-box;
}

.support-modal .form-group input:focus,
.support-modal .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-solid);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  background: var(--bg-primary);
}

.support-modal .form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.support-modal .modal-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.support-modal .modal-actions .btn {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  font-size: var(--font-size-sm);
}

.support-modal .modal-actions .btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.support-modal .modal-actions .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.support-modal .modal-actions .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Success Message */
.support-success {
  text-align: center;
  padding: var(--space-8);
}

.support-success .success-icon {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: var(--space-4);
}

.support-success h3 {
  color: var(--success);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xl);
}

.support-success p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* Premium Flash Messages */
.flash-area {
  margin-bottom: var(--space-8);
}

.flash {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid;
  box-shadow: var(--shadow-lg);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.flash::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  transition: all var(--transition-base);
}

.flash.success {
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.3);
}

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

.flash.error {
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
  border-color: rgba(239, 68, 68, 0.3);
}

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

.flash.warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.3);
}

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

.flash.info {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-solid);
  border-color: rgba(99, 102, 241, 0.3);
}

.flash.info::before {
  background: var(--primary-solid);
}

/* Print styles */
@media print {
  .topbar,
  .footer,
  .btn,
  .link-btn {
    display: none;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* Theme Selector Styles */
.theme-selector {
  margin-bottom: 2rem;
}

.theme-label {
  display: block;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

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

.theme-card {
  position: relative;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 1rem;
  background: white;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.theme-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.theme-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

input[type="radio"]:checked + .theme-card {
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.theme-preview {
  background: #f8fafc;
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  min-height: 80px;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.preview-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e5e7eb;
}

.preview-info {
  flex: 1;
}

.preview-name {
  height: 8px;
  background: #d1d5db;
  border-radius: 4px;
  margin-bottom: 4px;
  width: 60%;
}

.preview-bio {
  height: 6px;
  background: #e5e7eb;
  border-radius: 3px;
  width: 80%;
}

.preview-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-link {
  height: 12px;
  background: #f3f4f6;
  border-radius: 6px;
  border: 1px solid #e5e7eb;
}

.theme-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

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

/* Theme-specific preview styles */
.theme-card.theme-dark .theme-preview {
  background: #1f2937;
  color: white;
}

.theme-card.theme-dark .preview-avatar {
  background: #4b5563;
}

.theme-card.theme-dark .preview-name {
  background: #6b7280;
}

.theme-card.theme-dark .preview-bio {
  background: #4b5563;
}

.theme-card.theme-dark .preview-link {
  background: #374151;
  border-color: #4b5563;
}

.theme-card.theme-light .theme-preview {
  background: white;
  border: 2px solid #f3f4f6;
}

.theme-card.theme-colorful .theme-preview {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.theme-card.theme-colorful .preview-avatar {
  background: rgba(255, 255, 255, 0.3);
}

.theme-card.theme-colorful .preview-name,
.theme-card.theme-colorful .preview-bio {
  background: rgba(255, 255, 255, 0.4);
}

.theme-card.theme-colorful .preview-link {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.theme-card.theme-minimal .theme-preview {
  background: white;
  border: 1px solid #e2e8f0;
}

.theme-card.theme-minimal .preview-link {
  background: white;
  border: 1px solid #cbd5e1;
}

/* Minimal Theme Styles for Public Profile */
.profile-card.minimal {
  background: white;
  color: #1e293b;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.profile-card.minimal .bio {
  color: #64748b;
}

.profile-card.minimal .public-category-card,
.profile-card.minimal .public-brand-card,
.profile-card.minimal .public-link-card {
  border: 1px solid #e2e8f0;
  background: white;
}

.profile-card.minimal .public-category-card:hover,
.profile-card.minimal .public-brand-card:hover,
.profile-card.minimal .public-link-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Layout Theme Selector Styles */
.layout-theme-selector {
  margin-bottom: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.layout-theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.layout-card {
  position: relative;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 1rem;
  background: white;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.layout-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.layout-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

input[type="radio"]:checked + .layout-card {
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.layout-preview {
  background: #f8fafc;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  min-height: 100px;
}

.layout-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

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

/* Layout Demo Styles */
.layout-demo {
  width: 100%;
  height: 80px;
}

.grid-demo {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.demo-item {
  background: #d1d5db;
  border-radius: 4px;
  height: 24px;
}

.list-demo {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.demo-item-list {
  background: #d1d5db;
  border-radius: 4px;
  height: 16px;
}

.cards-demo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.demo-card {
  background: #d1d5db;
  border-radius: 8px;
  height: 22px;
}

.minimal-list-demo {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.demo-minimal-item {
  background: #e5e7eb;
  height: 12px;
  border-radius: 2px;
}

.instagram-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.demo-insta-item {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 6px;
  height: 36px;
}

/* Layout Theme Styles for Public Profile */

/* Grid Layout (Default) - uses the base styles defined above */

/* List Layout - same as default, already list-style */

/* Cards Layout */
.profile-card.layout-cards .public-categories-grid,
.profile-card.layout-cards .public-subcategories-grid,
.profile-card.layout-cards .public-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.profile-card.layout-cards .public-category-card,
.profile-card.layout-cards .public-brand-card,
.profile-card.layout-cards .public-link-card {
  flex-direction: column;
  text-align: center;
  padding: 1.5rem 1rem;
}

.profile-card.layout-cards .public-category-content,
.profile-card.layout-cards .public-brand-content,
.profile-card.layout-cards .public-link-content {
  flex-direction: column;
  text-align: center;
}

.profile-card.layout-cards .category-info,
.profile-card.layout-cards .brand-info,
.profile-card.layout-cards .link-info {
  text-align: center;
  margin-top: 0.75rem;
}

.profile-card.layout-cards .expand-indicator,
.profile-card.layout-cards .link-count {
  margin-top: 0.75rem;
}

/* Minimal List Layout */
.profile-card.layout-minimal-list .public-category-card,
.profile-card.layout-minimal-list .public-brand-card,
.profile-card.layout-minimal-list .public-link-card {
  border: none;
  border-bottom: 1px solid #f3f4f6;
  border-radius: 0;
  padding: 0.75rem 0;
}

.profile-card.layout-minimal-list .public-category-card:hover,
.profile-card.layout-minimal-list .public-brand-card:hover,
.profile-card.layout-minimal-list .public-link-card:hover {
  background: #f9fafb;
  box-shadow: none;
}

.profile-card.layout-minimal-list .category-icon,
.profile-card.layout-minimal-list .brand-icon,
.profile-card.layout-minimal-list .link-icon {
  width: 32px;
  height: 32px;
}

/* Instagram Layout */
.profile-card.layout-instagram .public-categories-grid,
.profile-card.layout-instagram .public-subcategories-grid,
.profile-card.layout-instagram .public-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.profile-card.layout-instagram .public-category-card,
.profile-card.layout-instagram .public-brand-card,
.profile-card.layout-instagram .public-link-card {
  aspect-ratio: 1;
  padding: 1rem;
  flex-direction: column;
  justify-content: center;
}

.profile-card.layout-instagram .public-category-content,
.profile-card.layout-instagram .public-brand-content,
.profile-card.layout-instagram .public-link-content {
  flex-direction: column;
  text-align: center;
  justify-content: center;
  height: 100%;
}

.profile-card.layout-instagram .category-info,
.profile-card.layout-instagram .brand-info,
.profile-card.layout-instagram .link-info {
  text-align: center;
}

.profile-card.layout-instagram .category-desc,
.profile-card.layout-instagram .brand-desc,
.profile-card.layout-instagram .link-desc {
  display: none;
}

.profile-card.layout-instagram .expand-indicator,
.profile-card.layout-instagram .link-count {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  width: auto;
  height: auto;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

/* Responsive adjustments for layout themes */
@media (max-width: 768px) {
  .profile-card.layout-cards .public-categories-grid,
  .profile-card.layout-cards .public-subcategories-grid,
  .profile-card.layout-cards .public-links-grid,
  .profile-card.layout-instagram .public-categories-grid,
  .profile-card.layout-instagram .public-subcategories-grid,
  .profile-card.layout-instagram .public-links-grid {
    grid-template-columns: 1fr;
  }
  
  .layout-theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}