/* Travellers Hotel Reservation System - Main Styles */

/* CSS Variables - Design System */
:root {
  /* Brand Colors */
  --color-dark: #11120D;
  --color-medium: #565449;
  --color-light: #D8CFBC;
  --color-cream: #FFFBF4;
  
  /* Semantic Colors */
  --color-primary: var(--color-dark);
  --color-secondary: var(--color-light);
  --color-accent: var(--color-medium);
  --color-background: var(--color-cream);
  --color-surface: #ffffff;
  
  /* Status Colors */
  --color-success: #22c55e;
  --color-success-light: #dcfce7;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  
  /* Text Colors */
  --text-primary: var(--color-dark);
  --text-secondary: var(--color-medium);
  --text-muted: #888;
  --text-inverse: var(--color-cream);
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--color-dark), var(--color-medium));
  --gradient-card: linear-gradient(180deg, var(--color-cream), var(--color-light));
  --gradient-luxury: linear-gradient(135deg, var(--color-light), var(--color-cream));
  
  /* Shadows */
  --shadow-card: 0 4px 20px -4px rgba(17, 18, 13, 0.15);
  --shadow-elegant: 0 10px 30px -10px rgba(17, 18, 13, 0.2);
  --shadow-button: 0 4px 12px -2px rgba(17, 18, 13, 0.25);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header Styles */
.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-light);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: auto; /* Changed from 2rem */
  height: 3rem; /* Increased from 2rem to accommodate the logo */
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-image {
  height: 100%;
  width: auto;
  object-fit: contain; /* Ensures the image scales properly */
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-primary);
}

.nav-desktop {
  display: none;
  gap: var(--spacing-xl);
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  border-bottom-color: var(--color-primary);
}

.auth-buttons {
  display: none;
  gap: var(--spacing-md);
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1100;
}

.hamburger {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: background 0.25s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease 0.1s;
}

.hamburger::before {
  top: -7px;
  transform-origin: center center;
}

.hamburger::after {
  bottom: -7px;
  transform-origin: center center;
}

/* Merged state: top and bottom lines translate to center and fade out */
.hamburger.is-active {
  background: var(--text-primary);
}

.hamburger.is-active::before {
  transform: translateY(7px);
  opacity: 0;
}

.hamburger.is-active::after {
  transform: translateY(-7px);
  opacity: 0;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-light);
  background: var(--color-surface);
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile .nav-link {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border-bottom: none;
  margin: var(--spacing-xs) 0;
}

.nav-mobile .nav-link:hover,
.nav-mobile .nav-link.active {
  background: var(--color-secondary);
  border-bottom: none;
}

.mobile-auth {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-light);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.btn-hero {
  background: var(--gradient-hero);
  color: var(--text-inverse);
  box-shadow: var(--shadow-button);
}

.btn-hero:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-elegant);
}

.btn-luxury {
  background: var(--gradient-luxury);
  color: var(--text-primary);
  border: 1px solid rgba(17, 18, 13, 0.2);
}

.btn-luxury:hover {
  box-shadow: var(--shadow-card);
}

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

.btn-ghost:hover {
  background: var(--color-secondary);
  color: var(--text-primary);
}

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

.btn-outline:hover {
  background: var(--color-secondary);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
}

.icon {
  font-size: 1em;
}

/* Card Styles */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-light);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-content {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-light);
  background: rgba(216, 207, 188, 0.1);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-secondary);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-md);
}

.badge-success {
  background: #dcfce7;
  color: #166534;
}

.badge-danger {
  background: #fecaca;
  color: #991b1b;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(86, 84, 73, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 6rem;
}

/* Section Styles */
.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 32rem;
  margin: 0 auto;
}

/* Toast Notification */
.toast {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elegant);
  padding: var(--spacing-md);
  z-index: 9999;
  transform: translateX(150%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  min-width: 20rem;
  max-width: calc(100vw - 2rem);
  pointer-events: none;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.toast.toast-error {
  background: #dc2626;
  border-color: #b91c1c;
}

.toast.toast-error .toast-message {
  color: #fff;
}

.toast.toast-error .toast-close {
  color: rgba(255, 255, 255, 0.85);
}

.toast.toast-error .toast-close:hover {
  color: #fff;
}

.toast-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.toast-message {
  color: var(--text-primary);
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.hidden { display: none; }
.visible { display: block; }

.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Footer Styles */
.footer {
  background: #3a3a3a;
  color: #ffffff;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);

  max-width: 1200px;
  margin: 0 auto var(--spacing-2xl);
  padding: 0 var(--spacing-lg) var(--spacing-2xl);

  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.footer-description {
  color: #d4d4d4;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

.footer-contact {
  color: #d4d4d4;
  font-size: 0.9rem;
}

.footer-contact p {
  margin-bottom: var(--spacing-xs);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-link {
  color: #d4d4d4;
  text-decoration: none;
  transition: var(--transition-smooth);
  display: inline-block;
  font-size: 0.9rem;
}

.footer-link:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-newsletter-text {
  color: #d4d4d4;
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

.footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-input {
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-input::placeholder {
  color: #999;
}

.footer-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
}

.footer-subscribe-btn {
  padding: var(--spacing-md);
  background: #0ea5e9;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.footer-subscribe-btn:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-social-link {
  color: #d4d4d4;
  text-decoration: none;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.footer-social-link:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-divider {
  color: rgba(255, 255, 255, 0.3);
}

.footer-copyright {
  color: #999;
  font-size: 0.8rem;
}

/* Responsive Design */
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
  
  .auth-buttons {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .section-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}