:root {
  --bg: #0d0f14;
  --surface: #161920;
  --surface-alt: #1d2130;
  --border: #2a2f42;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-green: #22c55e;
  --accent-orange: #f97316;
  --text: #e8ecf4;
  --muted: #7c8aaa;
  --danger: #ef4444;
  --success: #22c55e;
  --radius: 10px;
  --shadow: 0 2px 16px rgba(0,0,0,.45);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav nav a {
  color: var(--muted);
  font-size: .875rem;
  font-weight: 500;
  transition: color .2s;
}
.nav nav a:hover { color: var(--text); text-decoration: none; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

/* ── Section head ── */
.section-head { padding: 32px 0 18px; }
.section-head h1, .section-head h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 6px; }
.section-head p { color: var(--muted); max-width: 640px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: 7px;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background .2s, opacity .2s;
  text-decoration: none;
}
.btn:hover { opacity: .9; text-decoration: none; }
.btn-primary  { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--surface-alt); color: var(--text); border: 1px solid var(--border); }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-success  { background: var(--success); color: #fff; }
.btn-sm { padding: 5px 13px; font-size: .8rem; }

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }

/* ── Forms ── */
.field { display: flex; flex-direction: column; gap: 5px; }
label { font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 9px 13px;
  font-size: .9rem;
  font-family: inherit;
  width: 100%;
  transition: border-color .2s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 100px; }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.data-table tbody tr:hover { background: var(--surface-alt); }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.badge-green  { background: rgba(34,197,94,.15); color: var(--success); }
.badge-blue   { background: rgba(59,130,246,.15); color: var(--accent); }
.badge-orange { background: rgba(249,115,22,.15); color: var(--accent-orange); }
.badge-red    { background: rgba(239,68,68,.15); color: var(--danger); }
.badge-gray   { background: rgba(124,138,170,.15); color: var(--muted); }

/* ── Stats row ── */
.stats { display: flex; gap: 16px; flex-wrap: wrap; padding: 18px 0; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 24px;
  min-width: 140px;
}
.stat-value { font-size: 2rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .04em; }

/* ── Listing grid ── */
.listing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; padding: 18px 0; }

.listing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s;
}
.listing-card:hover { border-color: var(--accent); }
.listing-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.listing-card .meta { font-size: .8rem; color: var(--muted); margin-bottom: 10px; }
.listing-card .details { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; font-size: .82rem; margin-bottom: 12px; }
.listing-card .details span { color: var(--muted); }

.ai-score {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  background: rgba(59,130,246,.12);
  color: var(--accent);
}
.ai-score.high { background: rgba(34,197,94,.12); color: var(--success); }

/* ── Hero ── */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; line-height: 1.15; margin-bottom: 18px; }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 600px; margin: 0 auto 28px; }

.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 40px 0; }
@media (max-width: 720px) { .hero-grid { grid-template-columns: 1fr; } }

/* ── Map placeholder ── */
.map-placeholder {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: .9rem;
  position: relative;
  overflow: hidden;
}

/* ── Filters ── */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.filters select { width: auto; min-width: 150px; }

/* ── Search ── */
.search-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 600px) { .search-grid { grid-template-columns: 1fr; } }

/* ── Report grid ── */
.report-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }

/* ── Value items ── */
.value-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: .875rem;
}
.value-item strong { display: block; margin-bottom: 4px; }

/* ── Alerts ── */
.alert {
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: .875rem;
  margin-bottom: 14px;
}
.alert-success { background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.3); color: var(--success); }
.alert-error   { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.3);  color: var(--danger); }
.alert-info    { background: rgba(59,130,246,.1); border: 1px solid rgba(59,130,246,.3); color: var(--accent); }

/* ── Muted text ── */
.muted-text { color: var(--muted); font-size: .85rem; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: .82rem;
}

/* ── DB status ── */
.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}
.status-dot.green  { background: var(--success); }
.status-dot.red    { background: var(--danger); }
.status-dot.yellow { background: var(--accent-orange); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav nav { display: none; }
  .hero { padding: 40px 0 28px; }
  .cards { grid-template-columns: 1fr; }
  .listing-grid { grid-template-columns: 1fr; }
  .search-grid { grid-template-columns: 1fr; }
}