/* ===================================
   COMPLETE RESPONSIVE DESIGN SYSTEM
   Mobile-First Approach for ALL Pages
   =================================== */

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

html, body {
  overflow-x: hidden;
  width: 100%;
}

/* Enhanced Typography with Better Contrast */
h1, h2, h3, h4, h5, h6 {
  color: #ffffff !important;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

p {
  color: #ffffff !important;
  line-height: 1.6;
  margin-bottom: 1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.text-primary {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.text-secondary {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.text-muted {
  color: #e2e8f0 !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Global Container System */
.container {
  width: 100%;
  max-width: 100%;
  padding: 0 1rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .container {
    max-width: 1200px;
    padding: 0 2rem;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
    padding: 0 3rem;
  }
}

/* Navigation - Mobile First */
.navbar {
  height: 70px;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.95) 100%);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-brand .material-icons {
  font-size: 1.75rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(59, 130, 246, 0.3));
}

.navbar-nav {
  display: flex !important;
  align-items: center;
  gap: 1rem;
  visibility: visible !important;
  opacity: 1 !important;
  z-index: 1001;
  position: relative;
}

@media (min-width: 768px) {
  .navbar-nav {
    gap: 2rem;
  }
  
  .navbar-brand {
    font-size: 1.5rem;
  }
}

.nav-link {
  color: #cbd5e1 !important;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.nav-link.active {
  color: #3b82f6 !important;
  background: rgba(59, 130, 246, 0.1);
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff !important;
  cursor: pointer;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu .nav-link {
  display: block;
  padding: 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s ease;
}

.mobile-menu .nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--primary);
}

.mobile-menu .btn {
  margin: 1rem;
  width: calc(100% - 2rem);
  justify-content: center;
  min-height: 44px;
}

/* Main Content Spacing */
main {
  padding-top: 70px;
  min-height: calc(100vh - 70px);
  width: 100%;
  overflow-x: hidden;
}

/* Section Spacing */
.py-8 {
  padding: 2rem 0;
}

@media (min-width: 768px) {
  .py-8 {
    padding: 3rem 0;
  }
}

/* Cards - Mobile First */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .card {
    padding: 2rem;
    margin-bottom: 2rem;
  }
}

/* Buttons - Mobile First */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 2rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 56px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .btn {
    width: auto;
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
    min-height: 48px;
  }
}

.btn-lg {
  padding: 1.5rem 2.5rem;
  font-size: 1.25rem;
  min-height: 64px;
}

@media (max-width: 767px) {
  .btn-lg {
    padding: 1.75rem 2rem;
    font-size: 1.375rem;
    min-height: 68px;
  }
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary::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 0.5s ease;
}

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

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(107, 114, 128, 0.4);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Button Groups - Mobile First */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

@media (min-width: 768px) {
  .btn-group {
    flex-direction: row;
    width: auto;
    gap: 1rem;
  }
}

/* Forms - Mobile First */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: flex;
  align-items: center;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff !important;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #ffffff !important;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.7) !important;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: #3b82f6;
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4), 0 8px 16px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
  color: #ffffff !important;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .form-row {
    flex-direction: row;
    gap: 1.5rem;
  }
  
  .form-row .form-group {
    flex: 1;
  }
}

/* Grid Systems - Mobile First */
.grid {
  display: grid;
  gap: 1rem;
  width: 100%;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .grid {
    gap: 1.5rem;
  }
}

@media (min-width: 1200px) {
  .grid {
    gap: 2rem;
  }
}

/* Dashboard Layout - Mobile First */
.dashboard-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

@media (min-width: 768px) {
  .dashboard-layout {
    flex-direction: row;
    gap: 2rem;
  }
  
  .dashboard-main {
    flex: 2;
    min-width: 0;
  }
  
  .dashboard-sidebar {
    flex: 1;
    min-width: 300px;
  }
}

@media (min-width: 1200px) {
  .dashboard-layout {
    gap: 3rem;
  }
  
  .dashboard-sidebar {
    min-width: 350px;
  }
}

/* Stats Grid - Mobile First */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

/* Hero Section - Mobile First */
.hero-section {
  background: linear-gradient(135deg, 
    rgba(15, 23, 42, 0.95) 0%, 
    rgba(30, 41, 59, 0.9) 50%, 
    rgba(51, 65, 85, 0.85) 100%);
  min-height: auto;
  padding: 1rem 0;
  text-align: center;
}

@media (min-width: 768px) {
  .hero-section {
    min-height: 100vh;
    padding: 4rem 0;
    text-align: left;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (min-width: 1200px) {
  .hero-grid {
    gap: 4rem;
  }
}

/* Hide preview on mobile to prevent layout issues */
@media (max-width: 767px) {
  .hero-preview {
    display: none;
  }
}

.hero-title {
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 0 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  color: #ffffff !important;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  background: none !important;
  -webkit-text-fill-color: #ffffff !important;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: clamp(3rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #3b82f6 30%, #8b5cf6 70%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0;
  }
}

.hero-description {
  font-size: 1rem;
  line-height: 1.5;
  color: #ffffff !important;
  margin-bottom: 1.5rem;
  padding: 0 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  font-weight: 400;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    padding: 0;
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  }
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .hero-actions {
    flex-direction: row;
    gap: 1.5rem;
    width: auto;
    padding: 0;
  }
}

/* Features Grid - Mobile First */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 0;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-card h3 {
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: #cbd5e1;
  line-height: 1.6;
}

.feature-card .material-icons {
  color: #3b82f6;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .feature-card {
    padding: 2rem;
  }
}

/* Steps Grid - Mobile First */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.step-card h3 {
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step-card p {
  color: #cbd5e1;
  line-height: 1.6;
}

.step-card .material-icons {
  color: #8b5cf6;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.step-number {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  font-weight: bold;
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
}

@media (min-width: 768px) {
  .step-card {
    padding: 2rem;
  }
}

/* CTA Section - Mobile First */
.cta-section {
  text-align: center;
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .cta-section {
    padding: 4rem 0;
  }
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

@media (min-width: 768px) {
  .cta-actions {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

@media (min-width: 768px) {
  .cta-features {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
  }
}

/* Wishlist & Share Pages - Mobile First */
.wishlist-grid,
.share-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .wishlist-grid,
  .share-links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1200px) {
  .wishlist-grid,
  .share-links-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.wishlist-item,
.share-link-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1rem;
  transition: all 0.3s ease;
}

@media (min-width: 768px) {
  .wishlist-item,
  .share-link-item {
    padding: 1.5rem;
  }
}

/* Profile Page - Mobile First */
.profile-form {
  width: 100%;
}

.avatar-section {
  text-align: center;
  margin-bottom: 2rem;
}

.avatar-container {
  display: inline-block;
  position: relative;
  margin-bottom: 1rem;
}

/* Auth Pages - Mobile First */
.auth-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 2rem 0;
}

@media (min-width: 768px) {
  .auth-container {
    max-width: 500px;
    padding: 4rem 0;
  }
}

.auth-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
}

.auth-card h1 {
  color: #ffffff !important;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.auth-card .material-icons {
  color: #ffffff !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
}

@media (min-width: 768px) {
  .auth-card {
    padding: 3rem;
  }
}

/* Modal - Mobile First */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
  box-sizing: border-box;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  width: 100%;
  max-width: 500px;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

@media (min-width: 768px) {
  .modal-content {
    padding: 2rem;
  }
}

/* Footer - Mobile First */
.footer-section {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0 1rem 0;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }
}

.footer-brand h3 {
  color: #ffffff !important;
  font-weight: 700;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-links {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-title {
  color: #ffffff !important;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: #cbd5e1 !important;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #3b82f6 !important;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #cbd5e1;
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-link:hover {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

.footer-copyright {
  color: #94a3b8 !important;
  font-size: 0.875rem;
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .footer-legal {
    justify-content: flex-end;
  }
}

/* Utility Classes - Mobile First */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* Hide/Show on Different Screens */
.hidden-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hidden-mobile {
    display: block;
  }
  
  .hidden-desktop {
    display: none;
  }
}

/* Responsive Typography */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

@media (min-width: 768px) {
  .text-xs { font-size: 0.75rem; }
  .text-sm { font-size: 0.875rem; }
  .text-base { font-size: 1rem; }
  .text-lg { font-size: 1.125rem; }
  .text-xl { font-size: 1.25rem; }
  .text-2xl { font-size: 1.5rem; }
  .text-3xl { font-size: 1.875rem; }
  .text-4xl { font-size: 2.25rem; }
}

/* Print Styles */
@media print {
  .navbar,
  .mobile-menu,
  .btn,
  .modal {
    display: none !important;
  }
  
  main {
    padding-top: 0 !important;
  }
  
  .card {
    border: 1px solid #000 !important;
    background: #fff !important;
  }
}