/* Base Styles */
:root {
  --primary-color: #2196F3;
  /* Blue */
  --primary-light: #BBDEFB;
  /* Light Blue */
  --primary-extra-light: #E3F2FD;
  /* Extra Light Blue */
  --secondary-color: #f8f9fa;
  /* Light Gray */
  --dark-color: #343a40;
  /* Dark Gray */
  --text-color: #495057;
  /* Gray */
  --white-color: #ffffff;
  --gray-light: #f0f2f5;
  --border-color: #dee2e6;
  --success-color: #28a745;
  --error-color: #dc3545;
  --warning-color: #ffc107;
  --header-height: 80px;
  --border-radius: 8px;
  --transition-speed: 0.3s;
}
/* Accessibility helpers */
.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}
/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  z-index: 2000;
}
.skip-link:focus {
  left: 10px;
  top: 10px;
  width: auto;
  height: auto;
  border-radius: 4px;
  text-decoration: none;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Prompt', 'Kanit', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white-color);
}
a {
  text-decoration: none;
  color: var(--primary-color);
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  width: 1440px;
  max-width: 95%;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 80px 0;
}
.section-description {
  text-align: center;
  max-width: 700px;
  margin: 15px auto 50px;
  color: var(--text-color);
  font-size: 1.1rem;
}
h1, h2, h3 {
  font-family: 'Kanit', 'Prompt', sans-serif;
  color: var(--dark-color);
  margin-bottom: 20px;
  font-weight: 600;
}
h1 {
  font-size: 3.5rem;
  line-height: 1.2;
}
h2 {
  font-size: 2.5rem;
  text-align: center;
}
h3 {
  font-size: 1.8rem;
}
.text-center {
  text-align: center;
}
.mt-4 {
  margin-top: 40px;
}
/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
  font-size: 1rem;
  text-align: center;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background-color: var(--primary-color);
  color: var(--white-color);
}
.btn-primary:hover {
  background-color: #1976D2;
}
.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}
.btn-secondary:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}
.btn-search {
  width: 100%;
  margin-top: 20px;
}
/* Header */
.header {
  background-color: var(--white-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.header .container {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 0;
}
.header nav {
  margin-left: auto;
}
.logo {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-color);
  display: flex;
  align-items: center;
}
.logo i {
  margin-right: 10px;
  font-size: 2.2rem;
}
.nav ul {
  display: flex;
  gap: 30px;
  align-items: center;
}
.nav-link {
  color: var(--dark-color);
  font-weight: 400;
  padding: 5px 0;
  position: relative;
  transition: color var(--transition-speed);
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-speed);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}
.nav .btn {
  margin-left: 15px;
  padding: 8px 18px;
}
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--dark-color);
  border: none;
  background-color: transparent;
  margin-left: auto;
}
/* Hero Section */
.hero {
  background: url('../img/hero-banner.webp') no-repeat center center/cover;
  height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-color);
  position: relative;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  /* Dark overlay */
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 20px;
}
.hero h1 {
  color: var(--white-color);
  font-size: 4rem;
  margin-bottom: 20px;
}
.hero p {
  font-size: 1.5rem;
  margin-bottom: 40px;
}
.search-form {
  background-color: var(--white-color);
  padding: 30px;
  border-radius: var(--border-radius);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  color: var(--text-color);
  text-align: left;
}
.search-form .form-group {
  flex: 1;
  min-width: 200px;
  /* Allow for smaller width on smaller screens */
}
.search-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-color);
  font-size: 0.95rem;
}
.search-form label i {
  margin-right: 8px;
  color: var(--primary-color);
}
.search-form input[type="text"],
.search-form input[type="date"] {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: 'Prompt', sans-serif;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.search-form input[type="text"]:focus,
.search-form input[type="date"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.25);
}
/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
/* Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
/* Featured Cars */
.featured-cars {
  background-color: var(--gray-light);
}
.car-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}
.car-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  display: flex;
  flex-direction: column;
}
.car-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}
.car-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}
.car-card h3 {
  font-size: 1.4rem;
  margin: 15px 15px 5px;
  color: var(--dark-color);
}
.car-card p {
  font-size: 0.95rem;
  color: var(--text-color);
  margin: 0 15px 10px;
}
.car-card .price {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 15px 15px;
}
.car-card .btn {
  margin: 0 15px 15px;
  padding: 10px 15px;
  font-size: 0.95rem;
}
/* How It Works */
.how-it-works .steps-grid {
  margin-top: 50px;
}
.step-item {
  text-align: center;
  padding: 30px;
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--primary-extra-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 20px;
  border: 2px solid var(--primary-light);
}
.step-item h3 {
  margin-bottom: 15px;
  color: var(--dark-color);
  font-size: 1.6rem;
}
.step-item p {
  font-size: 1rem;
  color: var(--text-color);
}
/* Why Choose Us */
.why-choose-us .features-grid {
  margin-top: 50px;
}
.feature-item {
  text-align: center;
  padding: 30px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
}
.feature-item:hover {
  background-color: var(--primary-extra-light);
  border-color: var(--primary-light);
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.feature-item i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.feature-item h3 {
  font-size: 1.6rem;
  margin-bottom: 15px;
}
/* Footer */
.footer {
  background-color: var(--dark-color);
  color: var(--gray-light);
  padding: 60px 0 20px;
  font-size: 0.95rem;
}
.footer h3 {
  color: var(--white-color);
  margin-bottom: 20px;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}
.footer h3 i {
  margin-right: 10px;
  color: var(--primary-color);
  font-size: 1.8rem;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: var(--gray-light);
  transition: color var(--transition-speed);
}
.footer-col ul li a:hover {
  color: var(--primary-color);
}
.footer-col p {
  margin-bottom: 10px;
}
.footer-col p i {
  margin-right: 10px;
  color: var(--primary-light);
}
.social-links a {
  color: var(--white-color);
  font-size: 1.3rem;
  margin-right: 15px;
  transition: color var(--transition-speed);
}
.social-links a:hover {
  color: var(--primary-color);
}
.footer-bottom {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
/* Notification */
.notification-container {
  position: fixed;
  top: calc(var(--header-height) + 10px);
  right: 20px;
  z-index: 1001;
  max-width: 350px;
  width: 100%;
  display: none;
  /* Hidden by default */
}
.alert {
  padding: 15px 20px;
  border-radius: var(--border-radius);
  color: var(--white-color);
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  animation: fadein 0.5s, fadeout 0.5s 2.5s forwards;
}
.alert-info {
  background-color: var(--primary-color);
}
.alert-success {
  background-color: var(--success-color);
}
.alert-error {
  background-color: var(--error-color);
}
.alert-warning {
  background-color: var(--warning-color);
}
@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeout {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}
/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  color: var(--primary-color);
  font-size: 2rem;
  display: none;
  /* Hidden by default */
}
.loading-spinner i {
  font-size: 4rem;
  margin-bottom: 20px;
}
.loading-spinner span {
  font-size: 1.5rem;
  font-weight: 600;
}
/* Modal styles (improved design) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  backdrop-filter: blur(2px);
}
.modal {
  background: var(--white-color);
  border-radius: 12px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  animation: modal-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}
.modal .modal-close {
  position: absolute;
  right: 16px;
  top: 16px;
  background: var(--gray-light);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s, color 0.2s;
  z-index: 1;
}
.modal .modal-close:hover {
  background: var(--error-color);
  color: white;
}
.modal .modal-body {
  padding: 32px;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h3 {
  margin-top: 0;
  margin-bottom: 24px;
  color: var(--dark-color);
  font-size: 1.5rem;
  text-align: center;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 12px;
}
@keyframes modal-in {
  from {
    transform: translateY(-30px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}
/* Form styles for modals and general use */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-color);
  font-size: 0.95rem;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: 'Prompt', sans-serif;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: var(--white-color);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}
.form-group input::placeholder {
  color: #999;
}
.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}
.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}
.form-actions .btn {
  min-width: 100px;
}
/* Dashboard specific modal styles */
.dashboard-modal .modal {
  max-width: 720px;
}
.dashboard-modal .booking-list {
  list-style: none;
  padding: 0;
}
.dashboard-modal .booking-list li {
  padding: 16px;
  margin-bottom: 12px;
  background: var(--gray-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dashboard-modal .booking-list li:last-child {
  margin-bottom: 0;
}
/* Car detail modal styles */
.car-detail {
  text-align: center;
}
.car-detail img {
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.car-detail h3 {
  border-bottom: none;
  text-align: left;
  margin-bottom: 16px;
}
.car-detail p {
  text-align: left;
  margin-bottom: 12px;
  line-height: 1.6;
}
/* Edit profile modal styles */
.edit-profile-modal hr {
  margin: 24px 0;
  border: none;
  border-top: 1px solid var(--border-color);
}
.edit-profile-modal h4 {
  color: var(--dark-color);
  margin-bottom: 16px;
  font-size: 1.2rem;
}
/* Toast notification stack (used by ui._renderNotifications) */
.notification-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--white-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  animation: toast-in 0.25s ease-out;
}
.toast .toast-body {
  flex: 1;
  margin-right: 8px;
}
.toast .toast-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  cursor: pointer;
}
.toast-info {
  background: var(--primary-color);
}
.toast-success {
  background: var(--success-color);
}
.toast-error {
  background: var(--error-color);
}
.toast-warning {
  background: var(--warning-color);
  color: #222;
}
@keyframes toast-in {
  from {
    transform: translateY(-6px);
    opacity: 0
  }
  to {
    transform: translateY(0);
    opacity: 1
  }
}
/* Small responsive tweaks */
@media (max-width: 640px) {
  .modal {
    max-width: 95%;
  }
  .notification-container {
    left: 10px;
    right: 10px;
    max-width: calc(100% - 20px);
  }
}