/* =========================================================================
   MARBELLA REAL ESTATE INTELLIGENCE — DESIGN SYSTEM
   Paleta: Property Partners — acento ROJO #D6392C + negros/grises de marca +
   azul marino #172B51 como acento secundario. Tipografía: Raleway.
   Modo oscuro y claro con prefers-color-scheme + toggle manual.
   ========================================================================= */

:root, [data-theme="light"] {
  --color-bg: #F4F3F1;
  --color-surface: #FFFFFF;
  --color-surface-2: #F2F0ED;
  --color-surface-offset: #E9E6E2;
  --color-divider: #E4E1DC;
  --color-border: #DAD6D0;

  --color-text: #1A1A1A;
  --color-text-muted: #767171;
  --color-text-faint: #A6A6A6;
  --color-text-inverse: #FFFFFF;

  --color-primary: #D6392C;
  --color-primary-hover: #B32C21;
  --color-primary-active: #8F231A;
  --color-primary-highlight: #F7DBD7;

  --color-gold: #172B51;
  --color-gold-hover: #0F1E3A;
  --color-gold-highlight: #DEE4EF;

  --color-success: #2E7D46;
  --color-success-highlight: #D8E9DC;
  --color-error: #C0392B;
  --color-error-highlight: #F3D9D5;
  --color-warning: #B8791E;
  --color-warning-highlight: #F0E1C6;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(33, 27, 15, 0.06);
  --shadow-md: 0 6px 16px rgba(33, 27, 15, 0.08);
  --shadow-lg: 0 16px 40px rgba(33, 27, 15, 0.14);

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-body: 'Raleway', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Raleway', 'Helvetica Neue', Arial, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #050506;
  --color-surface: #141213;
  --color-surface-2: #1C1A1B;
  --color-surface-offset: #242122;
  --color-divider: #2C2829;
  --color-border: #383334;

  --color-text: #F5F3F1;
  --color-text-muted: #A6A6A6;
  --color-text-faint: #767171;
  --color-text-inverse: #141213;

  --color-primary: #E8524A;
  --color-primary-hover: #F06A62;
  --color-primary-active: #C63A30;
  --color-primary-highlight: #2E1512;

  --color-gold: #6E8BC0;
  --color-gold-hover: #90A8D6;
  --color-gold-highlight: #1A2338;

  --color-success: #6FBF7C;
  --color-success-highlight: #172A1C;
  --color-error: #E8807A;
  --color-error-highlight: #35191A;
  --color-warning: #E0A85E;
  --color-warning-highlight: #362713;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.82rem, 0.78rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.92rem, 0.88rem + 0.25vw, 1rem);
  --text-lg: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.3rem, 1.1rem + 1vw, 1.85rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

.tabular { font-variant-numeric: tabular-nums lining-nums; }

a { color: var(--color-primary); text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Layout ---------- */
.page {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark { width: 34px; height: 34px; color: var(--color-primary); flex-shrink: 0; }

.brand-text h1 {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.brand-text p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.topbar-actions { display: flex; align-items: center; gap: var(--space-3); }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.icon-btn:hover { background: var(--color-surface-offset); border-color: var(--color-primary); }
.icon-btn svg { width: 18px; height: 18px; }

.updated-pill {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  white-space: nowrap;
}

/* ---------- Filter bar ---------- */
.filterbar {
  position: sticky;
  top: 66px;
  z-index: 30;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-3) 0;
}

.filterbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.filter-group label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.chip {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}
.chip:hover { border-color: var(--color-primary); color: var(--color-text); }
.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: var(--space-1); vertical-align: -1px; }

.year-select, .toggle-select {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--color-surface);
}
.year-select button, .toggle-select button {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}
.year-select button.active, .toggle-select button.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.filter-reset {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.filter-reset:hover { background: var(--color-primary-highlight); }

/* ---------- Main content ---------- */
main { padding: var(--space-8) 0 var(--space-20); }

section { margin-bottom: var(--space-12); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-head p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 640px;
}
.section-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ---------- KPI cards ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kpi-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-value {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.kpi-delta {
  font-size: var(--text-xs);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  width: fit-content;
}
.kpi-delta.up { color: var(--color-success); background: var(--color-success-highlight); }
.kpi-delta.down { color: var(--color-error); background: var(--color-error-highlight); }
.kpi-delta.flat { color: var(--color-text-muted); background: var(--color-surface-2); }

.kpi-note { font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Chart cards ---------- */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.chart-grid.single { grid-template-columns: 1fr; }

@media (max-width: 900px) {
  .chart-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.card-head h3 { font-size: var(--text-base); font-weight: 700; }
.card-head p { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

.chart-wrap { position: relative; height: 300px; }
.chart-wrap.tall { height: 380px; }
.chart-wrap.short { height: 220px; }

.badge-quality {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.badge-quality.hard { background: var(--color-success-highlight); color: var(--color-success); }
.badge-quality.modeled { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-quality.mixed { background: var(--color-gold-highlight); color: var(--color-gold-hover); }

/* ---------- Heatmap ---------- */
.heatmap-table { width: 100%; border-collapse: separate; border-spacing: 4px; }
.heatmap-table th {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-align: left;
  padding: var(--space-2);
}
.heatmap-table th.zone-col { text-align: center; }
.heatmap-cell {
  text-align: center;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-2);
  font-weight: 700;
  font-size: var(--text-sm);
  color: #fff;
  min-width: 70px;
}
.heatmap-nat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- Table ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.data-table { width: 100%; font-size: var(--text-sm); }
.data-table thead th {
  position: sticky;
  top: 0;
  background: var(--color-surface-2);
  text-align: left;
  padding: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}
.data-table tbody td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--color-surface-2); }
.data-table .zone-cell { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; }
.zone-swatch { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.driver-cell { font-size: var(--text-xs); color: var(--color-text-muted); white-space: normal; min-width: 260px; }

/* ---------- Methodology ---------- */
.methodology {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.methodology h3 { font-size: var(--text-base); font-weight: 800; margin-bottom: var(--space-3); }
.methodology p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.methodology ul { padding-left: var(--space-5); font-size: var(--text-sm); color: var(--color-text-muted); }
.methodology li { margin-bottom: var(--space-2); }
.methodology details { margin-top: var(--space-4); }
.methodology summary { cursor: pointer; font-weight: 700; font-size: var(--text-sm); color: var(--color-primary); }
.source-list {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  columns: 2;
  column-gap: var(--space-6);
}
@media (max-width: 700px) { .source-list { columns: 1; } }
.source-list li { margin-bottom: var(--space-2); break-inside: avoid; }

footer {
  text-align: center;
  padding: var(--space-8) 0;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.empty-state {
  text-align: center;
  padding: var(--space-10);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .page { padding: 0 var(--space-4); }
  .topbar-inner { flex-wrap: wrap; gap: var(--space-2); }
  .updated-pill { display: none; }
  .brand-text p { display: none; }
  .filterbar { position: static; }
  .filterbar-inner { gap: var(--space-3); }
  .filter-reset { margin-left: 0; }
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .section-head h2 { font-size: var(--text-lg); }
  .chart-wrap.tall { height: 320px; }
}


/* ---------- Property Partners brand additions ---------- */
body { border-top: 3px solid var(--color-primary); }
.brand-mark { display: inline-flex; align-items: center; }
.brand-mark img { width: 36px; height: 36px; display: block; }
.logo-dark { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }
.lang-switch {
  display: grid; place-items: center;
  min-width: 38px; height: 38px; padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.04em;
  transition: background var(--transition-interactive), border-color var(--transition-interactive);
}
.lang-switch:hover { background: var(--color-surface-offset); border-color: var(--color-primary); color: var(--color-primary); }
footer .footer-org { color: var(--color-text-muted); font-weight: 700; }
footer .footer-org a { color: var(--color-text-muted); }
footer .footer-legal { margin-top: var(--space-2); max-width: 760px; margin-left: auto; margin-right: auto; }