:root {
  /* Modern Color Palette - Luxury Hotel Theme */
  --primary-color: #1a202c; /* Dark Navy/Black */
  --accent-color: #c0a062; /* Gold/Brass */
  --accent-hover: #b08d55;
  --bg-color: #f7f9fc;
  --white: #ffffff;
  --text-main: #2d3748;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  
  /* Spacing & Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-card: 0 10px 40px -10px rgba(0,0,0,0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(192, 160, 98, 0.4);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 160, 98, 0.6);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

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

.btn-block {
  width: 100%;
}

/* Navigation */
.navbar {
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-color);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 600px;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
  object-fit: cover;
}

/* Placeholder for hero image */
.placeholder-hero {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2c3e50 0%, #000000 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Booking Bar */
.booking-bar {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  display: flex;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 10;
  margin-top: -60px; /* Overlap hero */
  align-items: flex-end;
  flex-wrap: wrap;
}

.form-group {
  flex: 1;
  min-width: 150px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input, .form-select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(192, 160, 98, 0.1);
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  padding: 40px 0;
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.15);
}

.card-image {
  height: 240px;
  width: 100%;
  background-color: #e2e8f0;
  position: relative;
}

.placeholder-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #cbd5e0, #e2e8f0);
}

.card-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: #fff8eb;
  color: var(--accent-color);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
  width: fit-content;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
  flex: 1;
}

.card-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* Features/Services */
.feature-icon {
  width: 48px;
  height: 48px;
  background: #fff8eb;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.5rem;
  margin-bottom: 16px;
}

/* Reviews */
.review-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: var(--accent-color);
  margin-bottom: 16px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.avatar-placeholder {
  width: 48px;
  height: 48px;
  background: #cbd5e0;
  border-radius: 50%;
}

/* Dashboard/Table */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  margin-top: 40px;
  min-height: 80vh;
}

.sidebar {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  height: fit-content;
  box-shadow: var(--shadow-sm);
}

.sidebar-menu li {
  margin-bottom: 8px;
}

.sidebar-link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.sidebar-link:hover, .sidebar-link.active {
  background: #fff8eb;
  color: var(--accent-color);
}

.table-container {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-success { background: #def7ec; color: #03543f; }
.status-warning { background: #fef3c7; color: #92400e; }
.status-neutral { background: #e2e8f0; color: #4a5568; }

/* Room Detail Specifics */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.breadcrumb a:hover {
  color: var(--accent-color);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 200px 200px;
  gap: 16px;
  margin-bottom: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.gallery-main {
  grid-column: 1;
  grid-row: 1 / 3;
  background-color: #cbd5e0;
  position: relative;
}

.gallery-thumb {
  background-color: #e2e8f0;
  position: relative;
}

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.amenity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-main);
}

.sticky-sidebar {
  position: sticky;
  top: 100px;
}

.booking-card {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.price-large {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-color);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Footer */
footer {
  background: var(--primary-color);
  color: var(--white);
  padding: 60px 0 20px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-title {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #a0aec0;
}

.footer-links a:hover {
  color: var(--white);
}