/*
 * Apartment Hunter 2.0 Design System
 * Premium fintech/proptech aesthetic
 */

/* ==========================================================================
   1. Design Tokens
   ========================================================================== */

:root {
  color-scheme: light dark;
  --page-bg: #F5F7FA;
  --surface: #FFFFFF;
  --on-accent: #FFFFFF;

  /* Primary Colors */
  --primary-900: #0F172A;
  --primary-700: #334155;
  --primary-600: #475569;
  --primary-500: #64748B;
  --primary-400: #94A3B8;
  --primary-300: #CBD5E1;
  --primary-200: #E2E8F0;
  --primary-100: #F1F5F9;
  --primary-50: #F8FAFC;
  
  /* Accent Colors */
  --accent-700: #1D4ED8;
  --accent-600: #2563EB;
  --accent-500: #3B82F6;
  --accent-400: #60A5FA;
  --accent-300: #93C5FD;
  --accent-200: #BFDBFE;
  --accent-100: #DBEAFE;
  --accent-50: #EFF6FF;
  
  /* Semantic Colors */
  --success-700: #15803D;
  --success-600: #16A34A;
  --success-500: #22C55E;
  --success-100: #DCFCE7;
  
  --warning-700: #C2410C;
  --warning-600: #EA580C;
  --warning-500: #F97316;
  --warning-100: #FED7AA;
  --warning-900: #7C2D12;
  
  --danger-700: #B91C1C;
  --danger-600: #DC2626;
  --danger-500: #EF4444;
  --danger-100: #FEE2E2;
  
  --info-700: #0E7490;
  --info-600: #0891B2;
  --info-500: #06B6D4;
  --info-100: #CFFAFE;
  --info-50: #ECFEFF;
  --info-900: #164E63;
  
  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 20px 50px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Sticky header: the back-link strip above the navigation row. Anything
     placed below the header offsets by --site-header-height. */
  --site-backlink-height: 28px;
  --site-nav-height: 64px;
  --site-header-height: calc(var(--site-backlink-height) + var(--site-nav-height));
}

/* The shared shell and every page use the same system colour preference. */
@media (prefers-color-scheme: dark) {
  :root {
    --page-bg: #111827;
    --surface: #1E293B;
    --on-accent: #0F172A;
    --primary-900: #F1F5F9;
    --primary-700: #CBD5E1;
    --primary-600: #B8C5D8;
    --primary-500: #A8B6C9;
    --primary-300: #475569;
    --primary-200: #334155;
    --primary-100: #253247;
    --primary-50: #111827;
    --accent-700: #93C5FD;
    --accent-600: #60A5FA;
    --accent-500: #93C5FD;
    --accent-300: #3B82F6;
    --accent-100: #243F65;
    --accent-50: #172B45;
    --success-700: #86EFAC;
    --success-600: #4ADE80;
    --success-100: #143522;
    --warning-900: #FED7AA;
    --warning-700: #FDBA74;
    --warning-600: #FB923C;
    --warning-100: #422A16;
    --danger-700: #FCA5A5;
    --danger-100: #451A1A;
    --info-900: #CFFAFE;
    --info-700: #67E8F9;
    --info-600: #22D3EE;
    --info-100: #164052;
    --info-50: #122F3D;
  }
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--primary-700);
  background: var(--page-bg);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-900);
}

h1 { font-size: 2.25rem; font-weight: 700; }  /* 36px */
h2 { font-size: 1.875rem; font-weight: 700; } /* 30px */
h3 { font-size: 1.5rem; }    /* 24px */
h4 { font-size: 1.25rem; }   /* 20px */
h5 { font-size: 1.125rem; }  /* 18px */
h6 { font-size: 1rem; }      /* 16px */

p {
  margin: 0 0 var(--space-4) 0;
}

a {
  color: var(--accent-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-500);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--accent-500);
  outline-offset: 2px;
}

ul, ol {
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
  display: block;
}

/* ==========================================================================
   3. Layout Components
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.grid {
  display: grid;
  gap: var(--space-6);
}

/* ".grid.grid-cols-N" so the column count also beats app.css's auto-fill ".grid". */
.grid.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media (max-width: 1023px) {
  .grid.grid-cols-3, .grid.grid-cols-4, .grid.grid-cols-5 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .grid.grid-cols-2, .grid.grid-cols-3, .grid.grid-cols-4, .grid.grid-cols-5 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ==========================================================================
   4. Header / Navigation
   ========================================================================== */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--primary-200);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--site-nav-height);
  padding-top: 0;
  padding-bottom: 0;
}

/* Back link to the owner's personal site. It sits inside the sticky header,
   so it stays reachable while scrolling and the header keeps one height. */
.site-backlink {
  height: var(--site-backlink-height);
  background: var(--primary-100);
  border-bottom: 1px solid var(--primary-200);
  font-size: 0.8125rem;
}

.site-header .site-backlink .container {
  height: 100%;
}

.site-backlink a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 100%;
  color: var(--primary-600);
  font-weight: 500;
}

.site-backlink a:hover {
  color: var(--accent-600);
  text-decoration: none;
}

/* Buttons inside the nav keep their own text colour (".site-nav a" is more specific). */
.site-nav a.btn-primary,
.site-nav a.btn-primary:hover {
  color: var(--on-accent);
}

.site-footer {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  background: var(--surface);
  border-top: 1px solid var(--primary-200);
  color: var(--primary-600);
  font-size: 0.875rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3) var(--space-6);
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
}

.site-footer a {
  color: var(--primary-700);
  font-weight: 500;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-600);
  text-decoration: none;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-logo-icon {
  flex: none;
}

.site-logo:hover {
  color: var(--accent-700);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--primary-700);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--accent-600);
  text-decoration: none;
}

/* Unread alerts on the user's favourites (price cuts, sales). */
.nav-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  margin-left: var(--space-1);
  padding: 0 0.375rem;
  border-radius: var(--radius-full);
  background: var(--accent-600);
  color: var(--surface);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  vertical-align: text-top;
}

.nav-dot {
  position: absolute;
  top: 0.375rem;
  right: 0.375rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-600);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  position: relative;
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--primary-700);
}

@media (max-width: 1023px) {
  .mobile-menu-toggle {
    display: block;
    margin-left: auto;
  }

  .mobile-menu-toggle .ui-icon {
    width: 1.5rem;
    height: 1.5rem;
  }
  
  .site-nav {
    display: none;
    position: fixed;
    top: var(--site-header-height);
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    z-index: 40;
  }
  
  .site-nav.open {
    display: flex;
  }
  
  .site-nav li {
    width: 100%;
  }
  
  .site-nav a {
    display: block;
    padding: var(--space-3);
    font-size: 1rem;
  }
  
  .site-nav .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   5. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
}

.btn:focus {
  outline: 2px solid var(--accent-300);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent-600);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-500);
  text-decoration: none;
}

.btn-primary:active {
  background: var(--accent-700);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-600);
  border: 1px solid var(--primary-300);
}

.btn-secondary:hover {
  background: var(--primary-50);
  text-decoration: none;
}

/* ".btn.btn-primary" and ".btn.btn-danger" so app.css's generic ".btn" colour cannot hide them. */
.btn.btn-primary {
  background: var(--accent-600);
  color: var(--on-accent);
}

.btn.btn-primary:hover {
  background: var(--accent-500);
}

.btn.btn-secondary {
  background: transparent;
  color: var(--accent-600);
  border: 1px solid var(--primary-300);
}

.btn.btn-secondary:hover {
  background: var(--primary-50);
}

.btn.btn-danger {
  background: var(--danger-600);
  color: white;
}

.btn.btn-danger:hover {
  background: var(--danger-500);
  text-decoration: none;
}

.btn.btn-accent {
  background: var(--accent-100);
  color: var(--accent-700);
  border: 1px solid var(--accent-300);
}

.btn.btn-accent:hover {
  background: var(--accent-50);
  text-decoration: none;
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   6. Cards
   ========================================================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-300);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-900);
  margin: 0;
}

.card-body {
  color: var(--primary-700);
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--primary-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Property Cards */
.property-card {
  background: var(--surface);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.property-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-300);
  transform: translateY(-2px);
}

.property-card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--primary-100);
}

.property-card-body {
  padding: var(--space-4);
}

.property-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--primary-900);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.property-card-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-600);
  margin-bottom: var(--space-3);
}

.property-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  color: var(--primary-600);
  font-size: 0.875rem;
}

.property-card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ==========================================================================
   7. Badges & Pills
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-success {
  background: var(--success-100);
  color: var(--success-700);
}

.badge-warning {
  background: var(--warning-100);
  color: var(--warning-700);
}

.badge-danger {
  background: var(--danger-100);
  color: var(--danger-700);
}

.badge-info {
  background: var(--info-100);
  color: var(--info-700);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.ui-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex: none;
  vertical-align: -0.125em;
}

.ui-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
}

.jev-priority-badge {
  max-width: 100%;
  white-space: normal;
  text-align: left;
  line-height: 1.35;
}

.jev-priority-badge.jev-match {
  background: var(--success-100);
  color: var(--success-700);
  border: 1px solid var(--success-200);
}

.jev-priority-badge.jev-uncertain {
  background: var(--warning-100);
  color: var(--warning-700);
  border: 1px solid var(--warning-300);
}

.jev-priority-badge.jev-low {
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px dashed var(--primary-300);
}

.property-card-tags {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.property-card-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  width: 100%;
}

.badge-accent {
  background: var(--accent-100);
  color: var(--accent-700);
}

/* Sold (sale agreed): inverted slate, so it reads as "not for sale" next to the market signals. */
.badge-sold {
  background: var(--primary-700);
  color: var(--primary-50);
  font-weight: 600;
}

/* Official AMCCRS seismic badge: never style "unknown" as success/safe. */
.seismic-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}
.seismic-badge--compact {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.seismic-badge .seismic-source-link {
  font-size: 0.8125rem;
}
.seismic-badge .seismic-note {
  margin: 0;
  max-width: 36rem;
  line-height: 1.45;
}

.sold-notice {
  padding: var(--space-3) var(--space-4);
  border-left: 4px solid var(--primary-700);
  border-radius: var(--radius-md);
  background: var(--primary-100);
  color: var(--primary-700);
}

/* Price changes and time on market under a listing's price: context, not part of the rating. */
.market-history {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  font-size: 0.875rem;
}

.market-history div {
  display: grid;
  grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
  gap: var(--space-3);
}

.market-history dt {
  color: var(--primary-500);
}

.market-history dd {
  margin: 0;
  color: var(--primary-700);
}

/* Price cuts and sales on the user's favourites (favourites page). */
.favorite-alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.favorite-alert {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-top: 1px solid var(--primary-100);
  font-size: 0.875rem;
}

.favorite-alert:first-child {
  border-top: 0;
}

.favorite-alert-text a {
  font-weight: 600;
  margin-right: var(--space-2);
}

.favorite-alert.is-unread .favorite-alert-text a::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: var(--space-2);
  border-radius: 50%;
  background: var(--accent-600);
  vertical-align: middle;
}

@media (max-width: 480px) {
  .favorite-alert {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .favorite-alert time {
    grid-column: 2;
  }
}

@media (max-width: 480px) {
  .market-history div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}

/* ==========================================================================
   8. Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--primary-900);
  background: var(--surface);
  border: 1px solid var(--primary-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color: var(--primary-500);
}

/* Hide native number spinners so fields match text inputs. */
.form-input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.form-input[type="number"]::-webkit-outer-spin-button,
.form-input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px var(--accent-100);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger-500);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px var(--danger-100);
}

.form-help {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--primary-500);
}

.form-error {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--danger-600);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

/* ==========================================================================
   9. Hero Section
   ========================================================================== */

.hero {
  padding: var(--space-16) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--accent-50) 100%);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-900);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--primary-600);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 767px) {
  .hero {
    padding: var(--space-12) 0;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* ==========================================================================
   10. Empty States
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  color: var(--primary-300);
}

.empty-state-icon .ui-icon {
  width: 4rem;
  height: 4rem;
}

.feature-card-icon {
  margin-bottom: var(--space-3);
  color: var(--primary-600);
}

.feature-card-icon .ui-icon {
  width: 2rem;
  height: 2rem;
}

.onboarding-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-4);
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-700);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  color: var(--primary-500);
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   11. Utility Classes
   ========================================================================== */

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

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; line-height: 1.2; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-muted { color: var(--primary-500); }
.text-danger { color: var(--danger-600); }
.text-success { color: var(--success-600); }
.text-success-600 { color: var(--success-600); }
.text-accent-600 { color: var(--accent-600); }
.text-warning { color: var(--warning-600); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

.hidden { display: none; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   12. Loading States
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, var(--primary-100) 25%, var(--primary-200) 50%, var(--primary-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--primary-200);
  border-top-color: var(--accent-600);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   13. Messages / Alerts
   ========================================================================== */

.messages {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

.message {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  border-left: 4px solid;
}

.message-success {
  background: var(--success-100);
  border-color: var(--success-600);
  color: var(--success-700);
}

.message-error {
  background: var(--danger-100);
  border-color: var(--danger-600);
  color: var(--danger-700);
}

.message-warning {
  background: var(--warning-100);
  border-color: var(--warning-600);
  color: var(--warning-700);
}

.message-info {
  background: var(--info-100);
  border-color: var(--info-600);
  color: var(--info-700);
}

/* ==========================================================================
   14. Mobile-Specific Responsive Styles
   ========================================================================== */

/* Container responsive padding */
@media (max-width: 767px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  /* Reduce vertical spacing on mobile */
  .py-8 { 
    padding-top: var(--space-6); 
    padding-bottom: var(--space-6); 
  }
  .py-12 { 
    padding-top: var(--space-8); 
    padding-bottom: var(--space-8); 
  }
  
  /* Make all multi-column layouts stack */
  .two-col-layout,
  .sidebar-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-6) !important;
  }
  
  /* Responsive tables - convert to cards on mobile */
  .responsive-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .responsive-table table {
    min-width: 600px;
  }
  
  /* Button groups stack on mobile */
  .flex.gap-2,
  .flex.gap-3 {
    flex-wrap: wrap;
  }
  
  /* Full-width buttons on mobile when appropriate */
  .btn-mobile-full {
    width: 100%;
  }
  
  /* Typography adjustments */
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  /* Card padding reduction */
  .card {
    padding: var(--space-4);
  }
  
  /* Property cards - ensure proper spacing */
  .property-card-body {
    padding: var(--space-3);
  }
  
  .property-card-title {
    font-size: 1rem;
  }
  
  .property-card-price {
    font-size: 1.25rem;
  }
  
  /* Ensure form inputs have proper tap targets */
  .form-input,
  .form-select,
  .form-textarea {
    min-height: 44px;
    font-size: 16px;
  }
  
  /* Radio buttons and checkboxes need larger tap targets */
  input[type="radio"],
  input[type="checkbox"] {
    min-width: 20px;
    min-height: 20px;
  }
  
  /* Badge text should remain readable */
  .badge {
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-2);
  }
  
  /* Ensure adequate spacing for touch targets */
  .site-nav a,
  .site-nav button {
    min-height: 44px;
  }
}

/* ==========================================================================
   FR-LAND / FR-DASH market preview surfaces
   ========================================================================== */

.hero.hero-compact {
  padding: var(--space-10) 0 var(--space-8);
}

.hero-compact .hero-subtitle {
  margin-bottom: var(--space-4);
}

.quick-search {
  max-width: 960px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.quick-search-grid {
  display: grid;
  grid-template-columns: 1.35fr 1.25fr 0.9fr auto;
  gap: var(--space-3);
  align-items: end;
}

.quick-search-price {
  min-width: 0;
}

.quick-search-submit {
  min-width: 160px;
}

.quick-search-submit .btn {
  min-height: 44px;
}

/* Keep three FR-LAND previews in one row at every breakpoint (overrides .grid-cols-3 collapse). */
.grid.grid-cols-3.market-preview-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
  text-align: left;
}

.market-preview-row .market-card {
  margin: 0;
  min-width: 0;
}

.market-preview-row .market-card-head {
  margin-bottom: var(--space-3);
  gap: var(--space-1);
}

.market-preview-row .market-card-metric {
  margin-bottom: var(--space-2);
}

.market-preview-row .market-card-label {
  margin-bottom: var(--space-3);
}

.market-card summary.market-card-summary {
  list-style: none;
  cursor: pointer;
}

.market-card summary.market-card-summary::-webkit-details-marker {
  display: none;
}

@media (max-width: 900px) {
  .quick-search-grid {
    grid-template-columns: 1fr 1fr;
  }
  .quick-search-price {
    grid-column: 1 / -1;
  }
  .quick-search-submit {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1023px) {
  .grid.grid-cols-3.market-preview-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .hero.hero-compact {
    padding: var(--space-4) 0 var(--space-4);
  }
  .hero-compact .hero-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
  }
  .hero-compact .hero-subtitle {
    font-size: 0.875rem;
    margin-bottom: var(--space-2);
  }
  .grid.grid-cols-3.market-preview-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-3);
  }
  .market-preview-row .market-card {
    padding: var(--space-2);
  }
  .market-preview-row .market-card-head {
    margin-bottom: var(--space-1);
    flex-wrap: wrap;
  }
  .market-preview-row .market-card-head h3 {
    font-size: 0.75rem;
    line-height: 1.2;
  }
  .market-preview-row .market-card-head .badge {
    font-size: 0.625rem;
    padding: 0.1rem 0.35rem;
  }
  .market-preview-row .market-card-metric {
    font-size: 1.125rem;
    margin-bottom: var(--space-1);
    line-height: 1.2;
  }
  .market-preview-row .market-card-label,
  .market-preview-row .market-card-detail {
    font-size: 0.625rem;
    line-height: 1.25;
    margin-bottom: 0;
  }
  .market-preview-row .market-card-label {
    margin-bottom: var(--space-1);
  }
  .quick-search-grid {
    grid-template-columns: 1fr;
  }
}

.ex {
  --ex-border-strong: var(--primary-300);
  --ex-secondary-text: var(--primary-700);
  --ex-hover: var(--primary-50);
  --ex-subtle: var(--primary-100);
  --ex-quiet: var(--primary-400);
  --ex-accent-hover: var(--accent-500);
  --ex-accent-text: var(--accent-700);
  --ex-selected: #EEF4FF;
  --ex-media-overlay: rgba(255,255,255,.9);
  --ex-drawer-shadow: rgba(15,23,42,.12);
  --ex-rail-shadow: rgba(15,23,42,.18);
  --ex-backdrop: rgba(15,23,42,.35);
  --ex-star: #E0A200;
  --ex-star-text: #B58300;
  --ex-star-border: #E8C76A;
  --ex-star-soft: #FFF8E1;
  --ex-transparent: transparent;
  --ex-icon-fill: currentColor;
  --ex-on-accent: #fff;
  --ex-energy-a: #0B8F3F;
  --ex-energy-b: #4FAE32;
  --ex-energy-c: #A9C70E;
  --ex-energy-d: #F2D30A;
  --ex-energy-e: #F2A30A;
  --ex-energy-f: #EA6A0A;
  --ex-energy-g: #D9261C;
  --ex-energy-dark-text: #1b2a0a;
  --ex-energy-d-text: #3b3100;
  --ex-energy-e-text: #3b2600;
  --ex-bg: var(--page-bg);
  --ex-surface: var(--surface);
  --ex-border: var(--primary-200);
  --ex-text: var(--primary-900);
  --ex-muted: var(--primary-500);
  --ex-accent: var(--accent-600);
  --ex-accent-soft: var(--accent-100);
  --ex-energy-text: #fff;
}
@media (prefers-color-scheme: dark) {
  .ex {
    --ex-border-strong: #475569;
    --ex-secondary-text: #cbd5e1;
    --ex-hover: #263449;
    --ex-subtle: #253247;
    --ex-quiet: #94a3b8;
    --ex-accent-hover: #93c5fd;
    --ex-accent-text: #bfdbfe;
    --ex-selected: #223b61;
    --ex-media-overlay: rgba(15,23,42,.9);
    --ex-drawer-shadow: rgba(0,0,0,.4);
    --ex-rail-shadow: rgba(0,0,0,.5);
    --ex-backdrop: rgba(0,0,0,.65);
    --ex-star: #facc15;
    --ex-star-text: #fde68a;
    --ex-star-border: #a16207;
    --ex-star-soft: #422f10;
    --ex-transparent: transparent;
    --ex-icon-fill: currentColor;
    --ex-on-accent: #0f172a;
    --ex-energy-a: #166534;
    --ex-energy-b: #86efac;
    --ex-energy-c: #bef264;
    --ex-energy-d: #fde047;
    --ex-energy-e: #fbbf24;
    --ex-energy-f: #fdba74;
    --ex-energy-g: #991b1b;
    --ex-energy-dark-text: #17200a;
    --ex-energy-d-text: #17200a;
    --ex-energy-e-text: #17200a;
    --ex-bg: var(--page-bg);
    --ex-surface: var(--surface);
    --ex-border: var(--primary-200);
    --ex-text: var(--primary-900);
    --ex-muted: var(--primary-500);
    --ex-accent: var(--accent-600);
    --ex-accent-soft: var(--accent-100);
    --ex-energy-text: #fff;
  }
}