/* Root Variables */
:root {
  --color-primary: #343c3c;
  --color-secondary: #f3f3f3;
  --color-accent: #EB8D1F;
  --color-gray: #959597;
  --color-brown: #B26A32;
  --color-tan: #DCAC7C;
  --color-white: #ffffff;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  --sidebar-width: 280px;
  --navbar-height: 70px;
  --transition: all 0.3s ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--navbar-height) + 20px);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-secondary);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--color-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  height: 45px;
  width: auto;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-links a:active,
.nav-links a:visited {
  text-decoration: none;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: var(--navbar-height);
  width: var(--sidebar-width);
  height: calc(100vh - var(--navbar-height));
  background: var(--color-white);
  border-right: 1px solid #e5e7eb;
  overflow-y: auto;
  padding: 2rem 0;
  z-index: 100;
}

.sidebar-content h3 {
  padding: 0 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray);
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu li {
  margin: 0;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background-color: rgba(235, 141, 31, 0.1);
  border-left-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.sidebar-menu a:active,
.sidebar-menu a:visited {
  text-decoration: none;
}

.sidebar-menu i {
  width: 20px;
  text-align: center;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a3232 100%);
  color: var(--color-white);
  padding: 4rem 2rem;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  max-width: 900px;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, var(--color-tan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.hero-dates {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.hero-dates i {
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.hero-badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  background: rgba(255,255,255,0.15);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(10px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn:active,
.btn:focus,
.btn:visited {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-brown);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(235, 141, 31, 0.4);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

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

.btn-ticket {
  background: #22c55e;
  color: var(--color-white);
  margin-top: 1rem;
}

.btn-ticket:hover {
  background: #16a34a;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
  text-decoration: none;
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.section h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--color-primary);
}

.section p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: #374151;
}

/* Alerts */
.alert {
  padding: 1.25rem;
  border-radius: 8px;
  margin: 1.5rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.alert i {
  font-size: 1.5rem;
  margin-top: 0.1rem;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--color-warning);
  color: #92400e;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-left: 4px solid var(--color-info);
  color: #1e40af;
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.info-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  text-align: center;
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.info-card i {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.info-card h3 {
  font-size: 1.125rem;
  margin: 0.5rem 0;
}

.info-card code {
  font-size: 0.875rem;
  background: var(--color-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

/* Use Cases */
.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.use-case {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: var(--transition);
}

.use-case:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.use-case i {
  font-size: 2.5rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.use-case h3 {
  margin: 0.5rem 0 1rem;
  font-size: 1.25rem;
}

/* Requirements */
.requirements-list {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.requirement {
  display: flex;
  gap: 1.5rem;
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.requirement i {
  font-size: 1.5rem;
  color: var(--color-success);
  flex-shrink: 0;
}

.requirement h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.125rem;
}

.requirement p {
  margin: 0;
  color: #6b7280;
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.flow-step {
  flex: 1;
  min-width: 200px;
  background: var(--color-white);
  padding: 2rem 1.5rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: relative;
}

.flow-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.flow-step i {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.flow-step h3 {
  margin: 0.5rem 0;
  font-size: 1.125rem;
}

.flow-step p {
  margin: 0;
  font-size: 0.875rem;
  color: #6b7280;
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--color-gray);
  flex-shrink: 0;
}

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.step {
  display: flex;
  gap: 1.5rem;
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: var(--transition);
}

.step:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.step-content h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.125rem;
}

.step-content p {
  margin: 0;
  color: #6b7280;
}

/* Terminal / Code Blocks */
.terminal {
  background: #1e293b;
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.terminal-header {
  background: #334155;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #475569;
}

.terminal-title {
  color: #94a3b8;
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-btn {
  background: transparent;
  border: 1px solid #475569;
  color: #94a3b8;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.copy-btn:hover {
  background: #475569;
  color: var(--color-white);
}

.terminal pre {
  margin: 0;
  padding: 1.5rem;
  overflow-x: auto;
}

.terminal code {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #e2e8f0;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.params-table {
  width: 100%;
  background: var(--color-white);
  border-collapse: collapse;
}

.params-table thead {
  background: var(--color-primary);
  color: var(--color-white);
}

.params-table th,
.params-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.params-table th {
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.params-table tbody tr:hover {
  background: rgba(235, 141, 31, 0.05);
}

.params-table code {
  background: var(--color-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-accent);
}

.badge-required {
  background: #ef4444;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Seat Checker Form */
.seat-checker-form {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin: 2rem 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group select,
.form-group input {
  padding: 0.875rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(235, 141, 31, 0.1);
}

.form-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.form-buttons .btn {
  flex: 1;
}

.date-navigation {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.date-nav-btn {
  padding: 0.875rem 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.date-nav-btn:hover:not(:disabled) {
  background: var(--color-brown);
  transform: translateY(-2px);
}

.date-nav-btn:disabled {
  background: var(--color-gray);
  cursor: not-allowed;
  opacity: 0.5;
}

.date-nav-btn i {
  font-size: 1rem;
}

/* Seat Results */
.seat-results {
  margin-top: 2rem;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.results-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trip-card {
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  padding: 0;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border: 2px solid #e5e7eb;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.trip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.ticket-perforation {
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    #e5e7eb 0px,
    #e5e7eb 10px,
    transparent 10px,
    transparent 20px
  );
}

.trip-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a3232 100%);
  color: var(--color-white);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.trip-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.trip-price {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.trip-body {
  padding: 1.5rem;
}

.trip-time {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  border-bottom: 1px dashed #d1d5db;
}

.trip-time div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
}

.trip-time i {
  color: var(--color-accent);
}

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

.class-card {
  background: var(--color-secondary);
  padding: 1.25rem;
  border-radius: 8px;
  text-align: center;
  border: 2px solid #e5e7eb;
  transition: var(--transition);
}

.class-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.class-name {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.seat-count {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.seat-count.full {
  color: var(--color-error);
}

.seat-label {
  font-size: 0.875rem;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--color-gray);
}

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border-left: 4px solid var(--color-error);
  padding: 1rem;
  border-radius: 4px;
  color: #991b1b;
}

.no-results {
  text-align: center;
  padding: 2rem;
  color: var(--color-gray);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + 1rem);
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 400px;
}

.toast {
  background: var(--color-white);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease-out;
  border-left: 4px solid;
}

.toast.success {
  border-left-color: var(--color-success);
}

.toast.error {
  border-left-color: var(--color-error);
}

.toast.info {
  border-left-color: var(--color-info);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

.toast i {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast.success i {
  color: var(--color-success);
}

.toast.error i {
  color: var(--color-error);
}

.toast.info i {
  color: var(--color-info);
}

.toast.warning i {
  color: var(--color-warning);
}

.toast-message {
  flex: 1;
  color: var(--color-primary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-gray);
  cursor: pointer;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  transition: var(--transition);
}

.toast-close:hover {
  color: var(--color-primary);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

/* Error Cards */
.error-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  margin: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.error-header {
  background: rgba(239, 68, 68, 0.1);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid var(--color-error);
}

.error-header i {
  font-size: 1.5rem;
  color: var(--color-error);
}

.error-header h3 {
  margin: 0;
  color: #991b1b;
}

.error-body {
  padding: 1.5rem;
}

.error-body h4 {
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.error-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Notes Grid */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.note-card {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: var(--transition);
}

.note-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.note-card i {
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.note-card h3 {
  margin: 0.5rem 0 1rem;
  font-size: 1.125rem;
}

.note-card p {
  margin: 0;
  font-size: 0.875rem;
}

/* Changelog */
.changelog {
  display: grid;
  gap: 2rem;
  margin: 2rem 0;
}

.changelog-item {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-left: 4px solid var(--color-accent);
}

.changelog-version {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.version-badge {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
}

.version-date {
  color: var(--color-gray);
  font-size: 0.875rem;
}

.changelog-content ul {
  margin-left: 1.5rem;
}

/* Disclaimer */
.disclaimer-box {
  background: rgba(245, 158, 11, 0.1);
  border: 2px solid var(--color-warning);
  border-radius: 8px;
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  margin: 2rem 0;
}

.disclaimer-box i {
  font-size: 2rem;
  color: var(--color-warning);
  flex-shrink: 0;
}

.disclaimer-box ul {
  margin-left: 1.5rem;
  margin-top: 0.5rem;
}

.disclaimer-box a {
  color: var(--color-accent);
  font-weight: 600;
}

/* Author Card */
.author-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin: 2rem 0;
}

.author-info {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.author-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-accent);
  flex-shrink: 0;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.author-info h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.5rem;
}

.author-info p {
  margin: 0 0 0.75rem 0;
  color: var(--color-gray);
}

.author-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-white);
  background: #0077b5;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
}

.author-link:hover {
  background: #006399;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 119, 181, 0.3);
}

.author-link:active,
.author-link:visited {
  text-decoration: none;
}

.author-message {
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
}

.author-message p {
  margin: 0;
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 2rem 1.5rem;
  margin-left: var(--sidebar-width);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin: 0 0 1rem 0;
  font-size: 1.125rem;
}

.footer-section p {
  margin: 0;
  opacity: 0.8;
  line-height: 1.6;
}

.footer-section a {
  display: block;
  color: var(--color-white);
  text-decoration: none;
  margin-bottom: 0.5rem;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-section a:hover {
  opacity: 1;
  color: var(--color-tan);
  text-decoration: none;
}

.footer-section a:active,
.footer-section a:visited {
  text-decoration: none;
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-content,
  .footer {
    margin-left: 0;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-links {
    display: none;
  }
  
  .flow-arrow {
    display: none;
  }
  
  .flow-diagram {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-brand .nav-logo {
    display: block;
    height: 35px;
  }
  
  .nav-title {
    font-size: 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section {
    padding: 2rem 1rem;
  }
  
  .section h2 {
    font-size: 1.75rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-buttons {
    flex-direction: column;
  }
  
  .form-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .toast-container {
    left: 1rem;
    right: 1rem;
    max-width: calc(100% - 2rem);
  }
  
  .trip-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .trip-price {
    font-size: 1.5rem;
  }
  
  .author-info {
    flex-direction: column;
    text-align: center;
  }
  
  .author-avatar {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .nav-title {
    font-size: 0.875rem;
  }
  
  .nav-logo {
    height: 30px;
  }
  
  .terminal pre {
    padding: 1rem;
  }
  
  .terminal code {
    font-size: 0.75rem;
  }
  
  .author-avatar {
    width: 80px;
    height: 80px;
  }
}

/* Utility Classes */
code {
  font-family: 'Fira Code', 'Courier New', monospace;
  background: var(--color-secondary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--color-accent);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Print Styles */
@media print {
  .navbar,
  .sidebar,
  .hero-buttons,
  .seat-checker-form,
  .footer {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    margin-top: 0;
  }
  
  .section {
    page-break-inside: avoid;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Selection Styles */
::selection {
  background-color: var(--color-accent);
  color: var(--color-white);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* Animation for page load */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeIn 0.6s ease-out;
}

/* Loading Spinner Animation */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.fa-spinner {
  animation: spin 1s linear infinite;
}

/* Smooth transitions for all interactive elements */
* {
  transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

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