@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
  /* Colores Inmobiliarios */
  --primary: #2c5f2d;
  --primary-dark: #1a3d1b;
  --primary-light: #4a8a4f;
  --secondary: #d4a574;
  --accent: #8b4513;
  
  /* Neutrales */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  
  /* Bordes y sombras */
  --border: #dee2e6;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
}

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

/* ==== HEADER ==== */
header {
  background: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

/* ==== BUTTONS ==== */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ==== HERO ==== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

/* ==== SEARCH/FILTERS ==== */
.search-section {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: calc(-3rem) var(--spacing-md) var(--spacing-lg);
  position: relative;
  z-index: 10;
}

.search-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

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

.filter-label {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.filter-select,
.filter-input {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.filter-select:focus,
.filter-input:focus {
  outline: none;
  border-color: var(--primary);
}

/* ==== PROPERTY TYPES ==== */
.property-types {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.type-chip {
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.type-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ==== PROPERTY GRID ==== */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.property-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  cursor: pointer;
}

.property-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.property-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--bg-tertiary);
}

.property-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.property-image-container {
  position: relative;
}

.property-content {
  padding: var(--spacing-md);
}

.property-type {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.property-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.property-location {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.property-features {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border);
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.property-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

/* ==== PROPERTY DETAIL ==== */
.property-detail {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.gallery {
  margin-bottom: var(--spacing-lg);
}

.gallery-main {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
}

.gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.gallery-thumbnail {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s;
}

.gallery-thumbnail:hover,
.gallery-thumbnail.active {
  opacity: 1;
}

.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
}

.detail-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.feature-icon {
  font-size: 1.5rem;
}

.feature-value {
  font feature-weight: 700;
  color: var(--text-primary);
}

.feature-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==== ADMIN PANEL ==== */
.admin-header {
  background: var(--primary);
  color: white;
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-lg);
}

.admin-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dashboard {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.admin-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

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

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

.table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
}

.table tr:hover {
  background: var(--bg-secondary);
}

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.file-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}

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

.photo-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
}

.photo-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.photo-remove {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(255, 0, 0, 0.8);
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==== MODALS ==== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
}

.close-modal {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-secondary);
}

/* ==== UTILITIES ==== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

/* ==== RESPONSIVE ==== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .search-filters {
    grid-template-columns: 1fr;
  }
  
  .properties-grid {
    grid-template-columns: 1fr;
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .detail-features {
    grid-template-columns: 1fr;
  }
}