/* ==========================================================================
   Design System & Styling - Senior Care Finder MVP
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #0d9488;
  --secondary-hover: #0f766e;
  --accent: #f59e0b;
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --light-bg: #f8fafc;
  --white: #ffffff;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--light-bg);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--gray-900);
  line-height: 1.25;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border-color: var(--gray-200);
}

.btn-outline:hover {
  background: var(--gray-100);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-search {
  background: linear-gradient(135deg, var(--secondary), #14b8a6);
  color: var(--white);
  width: 100%;
  justify-content: center;
  padding: 12px 20px;
}

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

/* Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: var(--white);
  padding: 60px 24px 100px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #93c5fd;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 760px;
  margin: 0 auto 36px;
}

/* Search Box */
.search-box {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--gray-800);
  text-align: left;
}

.filter-row {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr 1fr;
  gap: 16px;
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-group input,
.filter-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  color: var(--gray-800);
  background: var(--light-bg);
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.filter-group input:focus,
.filter-group select:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.quick-tags {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-500);
}

.quick-tag {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
}

.quick-tag:hover,
.quick-tag.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* Main Container */
.main-container {
  max-width: 1280px;
  margin: -40px auto 60px;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

.results-header {
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.results-info h2 {
  font-size: 1.35rem;
  font-weight: 700;
}

.results-info p {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.results-sort {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.results-sort select {
  padding: 8px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  font-family: inherit;
}

/* Homes Grid */
/* Homes Grid - Centered 2-Row Compact Layout */
.homes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
}

/* Home Card */
.home-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.home-card:hover {
  transform: translateY(-4px);
  border-color: #2563eb;
  box-shadow: 0 12px 24px -4px rgba(37, 99, 235, 0.18), 0 4px 12px -2px rgba(15, 23, 42, 0.08);
}

.card-image-wrap {
  position: relative;
  height: 140px;
  background: var(--gray-800);
  overflow: hidden;
}

.card-placeholder-wrap {
  position: relative;
  height: 140px;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #1e293b;
  padding: 12px;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid #cbd5e1;
}

.placeholder-icon-circle {
  width: 48px;
  height: 48px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  margin-bottom: 6px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.placeholder-icon-circle i {
  font-size: 1.35rem;
  color: #2563eb;
}

.home-card:hover .placeholder-icon-circle {
  transform: scale(1.08);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
}

.card-placeholder-title {
  font-size: 0.825rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.01em;
}

.card-placeholder-subtext {
  font-size: 0.725rem;
  color: #64748b;
  font-weight: 500;
  margin-top: 2px;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.home-card:hover .card-image-wrap img {
  transform: scale(1.05);
}

.badge-city {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  color: var(--white);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  z-index: 10;
  display: inline-flex !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.badge-price {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: #2563eb;
  color: var(--white);
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  z-index: 10;
  display: inline-flex !important;
  align-items: center;
  gap: 2px;
  opacity: 1 !important;
  visibility: visible !important;
}

.card-content {
  padding: 12px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 3px;
  color: var(--gray-900);
  line-height: 1.3;
}

.card-address {
  font-size: 0.775rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 8px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 8px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--gray-700);
  font-weight: 600;
}

.meta-item i {
  color: var(--primary);
  font-size: 0.75rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}

.chip {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.675rem;
  font-weight: 600;
}

.chip-green {
  background: #ecfdf5;
  color: #059669;
}

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-card-phone {
  flex: 1;
  background: var(--gray-100);
  color: var(--gray-800);
  border: 1px solid var(--gray-200);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.775rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  transition: var(--transition);
}

.btn-card-phone:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-card-details {
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.775rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-card-details:hover {
  background: var(--primary-hover);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--white);
  width: 92%;
  max-width: 880px;
  max-height: 88vh;
  overflow-y: auto;
  border-radius: 16px;
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gray-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  color: var(--gray-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--gray-200);
  color: var(--gray-900);
}

/* Admin Modal Form */
.admin-modal-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.admin-modal-header .icon-box {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.span-2 {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-700);
}

.form-group input,
.form-group select {
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--gray-800);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.footer-copy {
  font-size: 0.8rem;
  border-top: 1px solid var(--gray-800);
  padding-top: 20px;
}

/* Responsive */
@media (max-width: 992px) {
  .filter-row {
    grid-template-columns: 1fr 1fr;
  }
  .filter-group.search-input-group {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  .filter-row {
    grid-template-columns: 1fr;
  }
  .filter-group.search-input-group {
    grid-column: span 1;
  }
  .homes-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .span-2 {
    grid-column: span 1;
  }
}


/* ==========================================================================
   Dataset Switcher Bar (Dual UI Navigation Tabs)
   ========================================================================== */
.dataset-switcher-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.dataset-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.dataset-tab-btn:hover {
  background: rgba(37, 99, 235, 0.5);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.dataset-tab-btn.active {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-color: #60a5fa;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  color: #ffffff;
}

.dataset-tab-btn i {
  font-size: 1.1rem;
}

.tab-badge {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tab-badge.gov-badge {
  background: #f59e0b;
  color: #0f172a;
}


/* ==========================================================================
   Comprehensive Multi-Device Responsive Design System
   ========================================================================== */

/* Tablets & Small Laptops (max-width: 992px) */
@media (max-width: 992px) {
  .nav-container {
    padding: 12px 16px;
  }
  .filter-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .filter-group.search-input-group {
    grid-column: span 2;
  }
  .filter-group.button-group {
    grid-column: span 2;
  }
  .homes-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
  }
}

/* Mobile Devices & Small Tablets (max-width: 768px) */
@media (max-width: 768px) {
  .navbar {
    position: relative;
  }
  .nav-container {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .brand {
    justify-content: center;
  }
  .nav-actions {
    justify-content: center;
    width: 100%;
  }
  .nav-actions .btn {
    flex: 1;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.85rem;
  }
  .hero {
    padding: 36px 16px 60px;
  }
  .hero h1 {
    font-size: 1.85rem;
  }
  .hero p {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }
  .dataset-switcher-bar {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
  .dataset-tab-btn {
    width: 100%;
    justify-content: space-between;
    padding: 12px 18px;
    font-size: 0.9rem;
  }
  .results-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .results-sort {
    width: 100%;
    justify-content: space-between;
  }
  .results-sort select {
    flex: 1;
  }
}

/* Mobile Phones (max-width: 576px) */
@media (max-width: 576px) {
  .search-box {
    padding: 16px;
    border-radius: var(--radius-md);
  }
  .filter-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .filter-group.search-input-group,
  .filter-group.button-group {
    grid-column: span 1;
  }
  .filter-group input,
  .filter-group select {
    font-size: 16px !important; /* Prevents iOS auto-zoom */
    padding: 12px;
  }
  .quick-tags {
    flex-wrap: wrap;
    gap: 6px;
  }
  .quick-tag {
    font-size: 0.775rem;
    padding: 5px 10px;
  }
  .homes-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .home-card {
    border-radius: 14px;
  }
  .card-image-wrap {
    height: 190px;
  }
  .card-footer {
    flex-direction: column;
    gap: 8px;
  }
  .btn-card-phone,
  .btn-card-details {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .modal-card {
    width: 94%;
    padding: 20px 16px;
    border-radius: 16px;
    max-height: 88vh;
  }
  .modal-body div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  #load-more-btn {
    width: 100%;
    padding: 12px 18px;
  }
}

/* Extra Small Mobile Devices (max-width: 380px) */
@media (max-width: 380px) {
  .brand-title {
    font-size: 1rem;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .hero h1 {
    font-size: 1.5rem;
  }
  .dataset-tab-btn span {
    font-size: 0.825rem;
  }
  .tab-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
  }
}