/* BookSwim Modern SaaS Styles */

/* Global Styles */
:root {
  /* Enhanced modern color palette - aligned with landing page light blues */
  --primary: #3a86ff;           /* base light blue */
  --primary-light: #6ba5ff;     /* lighter accent */
  --primary-dark: #2f6fd6;      /* accessible hover */
  --primary-gradient: linear-gradient(135deg, #6ba5ff 0%, #3a86ff 100%);
  --secondary: #6366f1;
  --secondary-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --accent: #00d4ff;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  --success: #10b981;
  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --warning: #f59e0b;
  --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --danger: #ef4444;
  --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  
  /* Enhanced neutral palette */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --gray-950: #030712;
  
  /* Background variations */
  --bg-primary: #fafbfc;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  
  /* Enhanced shadows and effects */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(58, 134, 255, 0.15);
  --shadow-glow-hover: 0 0 30px rgba(58, 134, 255, 0.25);
  
  /* Advanced radius system */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
  
  /* Enhanced transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Glassmorphism effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  color: var(--gray-700);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

.display-4 {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Enhanced Container */
.container {
  max-width: 1200px;
  padding: 0 1.5rem;
  margin: 0 auto;
}

/* Modern Footer */
.footer {
  margin-top: auto;
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border-top: 1px solid var(--gray-200);
  position: relative;
}

.container {
  max-width: 1200px;
  padding: 0 1.5rem;
}

.footer {
  margin-top: auto;
  padding: 2rem 0;
  background-color: white;
  border-top: 1px solid var(--gray-200);
}

/* Enhanced Buttons */
.btn {
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transform: translateY(0);
}

.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 0.5s;
}

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

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: white;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-outline-primary:hover {
  background: var(--primary-gradient);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
}

/* Button Loaders */
.button-loader .spinner-border {
  width: 1rem;
  height: 1rem;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

/* Prevent double-click on buttons with loaders */
.has-loader-setup {
  position: relative;
}

.has-loader-setup:disabled::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: not-allowed;
}

/* Ensure consistent spacing in buttons with icons */
.btn i + span, 
.btn .spinner-border + span {
  margin-left: 0.5rem;
}

/* Ensure button text doesn't wrap */
.button-text, .button-loader {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

/* Enhanced Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.8) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--primary) !important;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand:hover {
  color: var(--primary-dark) !important;
  transform: scale(1.02);
}

.navbar-brand i {
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Brand assets (logo image + wordmark) */
.brand-logo {
  height: 64px; /* larger visual presence */
  width: auto;
  display: inline-block;
}

.footer .brand-logo {
  height: 28px;
}

.brand-text {
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #000 !important;
  line-height: 1;
}

.navbar-brand:hover .brand-text {
  color: #000 !important;
}

/* Responsive logo sizing for smaller screens */
@media (max-width: 992px) {
  .brand-logo { height: 56px; }
}
@media (max-width: 768px) {
  .brand-logo { height: 48px; }
}
@media (max-width: 576px) {
  .brand-logo { height: 40px; }
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700) !important;
  transition: all var(--transition-fast);
  padding: 0.6rem 1.2rem !important;
  border-radius: var(--radius-lg);
  position: relative;
  margin: 0 0.2rem;
}

.nav-link:hover, .nav-link:focus {
  color: var(--primary) !important;
  background: rgba(58, 134, 255, 0.08);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary) !important;
  background: rgba(58, 134, 255, 0.1);
  font-weight: 600;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar-toggler:hover {
  background: rgba(58, 134, 255, 0.1);
}

.navbar-nav .dropdown-menu {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  margin-top: 0.5rem;
  min-width: 200px;
}

.dropdown-item {
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  transition: all var(--transition-fast);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dropdown-item:hover, .dropdown-item:focus {
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary);
  transform: translateX(4px);
}

.dropdown-divider {
  margin: 0.5rem 0;
  border-color: var(--gray-200);
}

/* Enhanced Cards */
.card {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  margin-bottom: 2rem;
  transition: all var(--transition-normal);
  overflow: hidden;
  background: var(--white);
  position: relative;
}

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

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--gray-300);
}

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

.card-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-200);
  font-weight: 700;
  padding: 1.5rem 2rem;
  color: var(--gray-900);
}

.card-body {
  padding: 2rem;
}

.card-header.bg-primary {
  background: var(--primary-gradient) !important;
  color: white !important;
  border-bottom: none;
}

.card-header.bg-info {
  background: var(--accent-gradient) !important;
  color: white !important;
  border-bottom: none;
}

.card-header.bg-warning {
  background: var(--warning-gradient) !important;
  color: white !important;
  border-bottom: none;
}

.card-header.bg-success {
  background: var(--success-gradient) !important;
  color: white !important;
  border-bottom: none;
}

.card-header.bg-danger {
  background: var(--danger-gradient) !important;
  color: white !important;
  border-bottom: none;
}

/* Enhanced Forms */
.form-control {
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  background: var(--white);
  color: var(--gray-900);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
  outline: none;
  background: var(--white);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--gray-500);
  font-weight: 400;
}

.form-control-lg {
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.form-select {
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  background: var(--white);
  color: var(--gray-900);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
  outline: none;
}

.is-invalid {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.invalid-feedback {
  color: var(--danger);
  font-weight: 500;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* Enhanced Alerts */
.alert {
  border: none;
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.home-site-banner {
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.12) 0%, rgba(99, 102, 241, 0.14) 100%);
  border-left: 6px solid var(--primary);
  box-shadow: 0 8px 24px rgba(58, 134, 255, 0.15);
}

.home-site-banner i.fa-house-user {
  filter: drop-shadow(0 0 6px rgba(58, 134, 255, 0.45));
}

.home-site-banner .icon-circle {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.18) 0%, rgba(99, 102, 241, 0.25) 100%);
  color: var(--white);
}

.home-site-banner .icon-circle i {
  color: var(--white);
}

.users-banner {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12) 0%, rgba(58, 134, 255, 0.10) 100%);
  border-left: 6px solid var(--accent);
  box-shadow: 0 8px 20px rgba(0, 212, 255, 0.15);
}

.users-banner i {
  color: #0ea5b3; /* teal-ish for contrast */
  filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.45));
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: currentColor;
}

.alert-primary {
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-left: 4px solid var(--success);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border-left: 4px solid var(--warning);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-left: 4px solid var(--danger);
}

.list-group-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}

.list-group-item-action {
  transition: all var(--transition-fast);
}

.list-group-item-action:hover {
  background-color: var(--gray-100);
  transform: translateX(3px);
}

/* Forms */
.form-control, .form-select {
  border-radius: 8px;
  border: 1px solid var(--gray-300);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
}

.form-label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-text {
  color: var(--gray-500);
}

/* Alerts */
.alert {
  border: none;
  border-radius: 10px;
  padding: 1rem 1.25rem;
}

.alert-info {
  background-color: rgba(76, 201, 240, 0.1);
  color: #036b99;
}

.alert-success {
  background-color: rgba(76, 217, 100, 0.1);
  color: #1c7430;
}

.alert-warning {
  background-color: rgba(255, 190, 11, 0.1);
  color: #a66f00;
}

.alert-danger {
  background-color: rgba(255, 45, 85, 0.1);
  color: #b30021;
}

/* Calendar */
#calendar {
  height: 650px;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.fc-event {
  cursor: pointer;
  border-radius: 6px;
  padding: 4px 8px;
  border: none;
}

.fc-day-today {
  background-color: rgba(58, 134, 255, 0.1) !important;
}

/* Modals */
.modal-content {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.25rem 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--gray-200);
  padding: 1.25rem 1.5rem;
}

.btn-close-white {
  filter: brightness(0) invert(1);
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: 6px;
}

/* Animation for water-like effect - improved */
@keyframes wave {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.wave-bg {
  background: linear-gradient(45deg, var(--primary), var(--accent));
  background-size: 200% 200%;
  animation: wave 15s ease infinite;
  color: white;
  padding: 2rem;
  border-radius: var(--card-border-radius);
  margin-bottom: 1.5rem;
  box-shadow: var(--card-shadow);
}

/* Modern Hero Section Styling */
.hero-section {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(58, 134, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.wave-bg {
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.05) 0%, rgba(99, 102, 241, 0.08) 100%);
  border: 1px solid rgba(58, 134, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.wave-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle, rgba(58, 134, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: float 6s ease-in-out infinite;
  opacity: 0.3;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

/* Enhanced Feature Icons */
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(99, 102, 241, 0.15) 100%);
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  position: relative;
  transition: all var(--transition-normal);
}

.feature-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover .feature-icon::before {
  opacity: 0.1;
}

.feature-icon i {
  z-index: 1;
}

/* Enhanced Stats */
.stat-box {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.stat-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.stat-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.stat-box:hover::before {
  transform: scaleX(1);
}

.stat-box .stat-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.stat-box .stat-label {
  color: var(--gray-600);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Enhanced Icons */
.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(99, 102, 241, 0.15) 100%);
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  transition: all var(--transition-normal);
  position: relative;
}

.icon-circle::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-full);
  background: var(--primary-gradient);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.icon-circle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.icon-circle:hover::before {
  opacity: 0.2;
}

/* Loading Animations */
.spinner-border {
  animation: spin 1s linear infinite;
}

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

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

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

.animate-on-load {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll {
  animation: none !important;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

.bg-primary { background: var(--primary-gradient) !important; }
.text-primary { color: var(--primary) !important; }
.border-primary { border-color: var(--primary) !important; }

.bg-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .display-4 {
    font-size: 2.5rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar {
    padding: 1rem 0;
  }
  
  .navbar-brand {
    font-size: 1.5rem;
  }
  
  .stat-box .stat-number {
    font-size: 2.5rem;
  }
  
  .feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.25rem;
  }
  
  .icon-circle {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
  
  section.py-5 {
    padding: 2.5rem 0 !important;
  }
  
  .mb-5 {
    margin-bottom: 2rem !important;
  }
  
  .mb-4 {
    margin-bottom: 1.5rem !important;
  }
  
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .mobile-cart-card {
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-normal);
    border-radius: var(--radius-xl);
  }
  
  .mobile-cart-card:hover {
    box-shadow: var(--shadow-lg);
  }
  
  .mobile-sticky-checkout {
    position: sticky;
    bottom: 1rem;
    z-index: 100;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: 1.25rem;
    margin: 0 -1rem;
    border: 1px solid var(--gray-200);
  }
}

@media (max-width: 576px) {
  .display-4 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .lead {
    font-size: 1rem;
  }
  
  .btn {
    font-size: 0.875rem;
  }
  
  .card {
    margin-bottom: 1.5rem;
  }
  
  .stat-box {
    padding: 1.5rem 1rem;
  }
  
  .stat-box .stat-number {
    font-size: 2rem;
  }
}