/* Modern Clean Design System */
* { 
  box-sizing: border-box; 
  margin: 0;
  padding: 0;
}

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

:root {
  /* Clean Color Palette */
  --bg: #fafbfc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f3f5;
  --text: #1a1d29;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-subtle: #eef2ff;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:root.dark {
  --bg: #0f1419;
  --bg-card: #1a1f2e;
  --bg-subtle: #252a3a;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-subtle: #1e1b4b;
  --border: #374151;
  --border-light: #4b5563;
}

/* Base Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Logo/Brand Font */
.brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-muted);
  line-height: 1.7;
}

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

a:hover {
  color: var(--primary-light);
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, rgba(250, 251, 252, 0.98) 0%, rgba(248, 250, 252, 0.95) 100%);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.02);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  flex-wrap: wrap;
  transition: all 0.3s ease;
}

.nav-left {
  display: flex;
  align-items: center;
}

.nav-center {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

@media (max-width: 768px) {
  .navbar {
    padding: 12px 16px;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 5px;
  }
  
  .nav-left, .nav-center, .nav-right {
    width: auto;
    justify-content: center;
    margin-bottom: 0;
  }
  
  .nav-left {
    display: flex;
    justify-content: flex-start;
  }
  
  .brand {
    font-size: 1rem;
    white-space: nowrap;
  }
  
  .nav-right {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 4px;
    min-width: fit-content;
  }
  
  .nav-center {
    flex: 1;
  }
  
  /* Improved mobile navigation */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px;
  }
  
  .nav-container {
    flex-direction: row;
    width: 100%;
  }
  
  .nav-links {
    margin-top: 0;
    width: auto;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 4px;
  }
  
  .nav-link {
    margin: 0;
    padding: 6px 8px;
    text-align: center;
    font-size: 12px;
    width: auto;
    white-space: nowrap;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .nav-links {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
  }
}

.search {
  width: 100%;
  max-width: 300px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  outline: none;
}

@media (max-width: 768px) {
  .search {
    max-width: 100%;
    font-size: 13px;
    padding: 8px 12px;
  }
}

@media (max-width: 480px) {
  .search {
    font-size: 12px;
    padding: 6px 10px;
  }
}

.search:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.user-menu {
  display: flex;
  align-items: center;
}

#auth-section, #user-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (max-width: 768px) {
  #auth-section, #user-section {
    justify-content: flex-end;
    gap: 8px;
  }
  
  #auth-section .btn, #user-section .btn {
    padding: 6px 10px;
    font-size: 0.75rem;
    min-width: auto;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  #auth-section, #user-section {
    gap: 4px;
  }
  
  #auth-section .btn, #user-section .btn {
    padding: 5px 8px;
    font-size: 0.7rem;
    min-height: 28px;
  }
  
  .nav-right {
    margin-left: auto;
  }
  
  .nav-right .btn {
    padding: 4px 8px;
    font-size: 0.7rem;
    min-height: 28px;
  }
}

:root.dark .navbar {
  background: linear-gradient(135deg, rgba(15, 20, 25, 0.98) 0%, rgba(26, 35, 50, 0.95) 100%);
  border-bottom: 1px solid rgba(55, 65, 81, 0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.brand::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transition: width 0.3s ease;
}

.brand:hover::after {
  width: 100%;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  opacity: 0;
  transition: opacity 0.2s ease;
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

/* Profile Dropdown */
.profile-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.profile-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .profile-btn {
    padding: 4px 6px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
  }
  
  .profile-btn:active {
    transform: scale(0.95);
  }
  
  .user-greeting {
    max-width: 60px;
    font-size: 12px;
  }
  
  .btn {
    width: auto;
    min-width: auto;
    margin: 0 2px;
    padding: 6px 8px;
    font-size: 12px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .dropdown-arrow {
    width: 10px;
    height: 10px;
  }
}

.profile-btn:hover {
  background: var(--bg-subtle);
}

.profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

@media (max-width: 768px) {
  .profile-avatar {
    width: 24px;
    height: 24px;
    font-size: 10px;
    border: 1px solid var(--border);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-greeting {
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 4px;
  font-size: 14px;
}

@media (max-width: 768px) {
  .user-greeting {
    max-width: 60px;
  }
  
  /* Show only first name on mobile */
  .user-greeting::after {
    content: attr(data-firstname);
  }
  
  .user-greeting span {
    display: none;
  }
}

.dropdown-arrow {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.profile-btn[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.profile-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 100;
  margin-top: 8px;
  transition: opacity 0.2s ease, transform 0.2s ease;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  padding: 4px;
}

@media (max-width: 768px) {
  .profile-dropdown-menu {
    right: 0;
    left: auto;
    width: auto;
    min-width: 120px;
    max-width: 200px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
  }
  
  .profile-dropdown-menu.show {
    transform: translateY(0);
    animation: fadeIn 0.2s ease-in-out;
  }
  
  .dropdown-item {
    padding: 6px 10px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

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

.profile-dropdown-menu.hidden {
  display: none;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 4px;
  margin: 2px 4px;
  width: calc(100% - 8px);
}

.dropdown-item:hover {
  background: var(--bg-subtle);
  color: var(--primary);
}

.logout-item {
  color: var(--danger);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.logout-item:hover {
  background: var(--danger-subtle, rgba(239, 68, 68, 0.1));
  color: var(--danger);
  transition: var(--transition);
  font-weight: 500;
}

@media (max-width: 768px) {
  .logout-item {
    padding: 6px 10px;
    font-size: 0.75rem;
    margin-top: 2px;
    padding-top: 6px;
  }
}

.dropdown-item:hover {
  background: var(--bg-subtle);
}

.logout-item {
  color: var(--danger);
}

.logout-item:hover {
  background: rgba(239, 68, 68, 0.1);
}

.hidden {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

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

.btn-secondary:hover {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background: var(--bg-subtle);
  color: var(--text);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xs);
  transition: var(--transition-slow);
}

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

/* Hero Section */
.hero {
  padding: var(--space-24) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--primary-subtle) 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
}

@media (max-width: 576px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .stat-item {
    padding: var(--space-4) 0;
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
}

@media (max-width: 576px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .feature-card {
    max-width: 100%;
    margin: 0 auto;
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 1.5rem;
  color: var(--primary);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text);
}

.feature-description {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Steps Section */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-top: var(--space-16);
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-6);
  box-shadow: var(--shadow-md);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text);
}

.step-description {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 576px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-section {
    margin-bottom: var(--space-8);
  }
  
  .footer-links {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text);
}

/* CrackWise in footer */
.crackwise-logo {
  font-family: 'Poppins', sans-serif;
}

/* Footer copyright CrackWise */
.footer-bottom p {
  font-family: 'Inter', sans-serif;
}

.footer-bottom p span {
  font-family: 'Inter', sans-serif;
}

.footer-bottom p:contains("CrackWise") {
  font-family: 'Inter', sans-serif;
}

/* Apply Poppins font to CrackWise text in footer */
.footer-bottom p strong.crackwise-text {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .nav-container {
    padding: 0 var(--space-4);
  }
  
  .nav-links {
    gap: var(--space-2);
    flex-wrap: wrap;
  }
  
  .nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
  }
  
  /* Hide some nav items on very small screens */
  @media (max-width: 480px) {
    .nav-links > .nav-link:not(:first-child) {
      display: none;
    }
  }
  
  .brand {
    font-size: 1.25rem;
  }
  
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    white-space: nowrap;
  }
  
  .nav-right .btn {
    padding: 5px 10px;
    font-size: 0.75rem;
  }
  
  .hero {
    padding: var(--space-16) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-16) 0;
  }
  
  .card {
    padding: var(--space-6);
  }
  
  .feature-card {
    padding: var(--space-6);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

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

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }