/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0F1117;
  --bg2: #161B26;
  --bg3: #1E2535;
  --border: rgba(255,255,255,0.08);
  --text: #E8EAF0;
  --muted: rgba(232,234,240,0.5);
  --accent: #4F8EF7;
  --green: #3DD68C;
  --yellow: #F5C542;
  --red: #F75A5A;
  --orange: #F79A4F;
}
html { font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ─── Layout ───────────────────────────────────────────────── */
.container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo span { color: var(--accent); }

.main-content { padding: 32px 0 80px; }

/* ─── Tabs ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 28px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ─── Filters ──────────────────────────────────────────────── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--bg2);
  border-radius: 14px;
  border: 1px solid var(--border);
  align-items: flex-end;
}
.filter-group { display: flex; flex-direction: column; gap: 5px; min-width: 140px; }
.filter-group label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.filter-group select, .filter-group input {
  padding: 8px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.filter-group select:focus, .filter-group input:focus { border-color: var(--accent); }
.btn-reset {
  padding: 8px 18px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  align-self: flex-end;
}
.btn-refresh {
  padding: 8px 18px;
  border-radius: 9px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: 6px;
}
.btn-refresh:disabled { opacity: .6; cursor: default; }

/* ─── Sort bar ─────────────────────────────────────────────── */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.sort-bar .count { font-size: 13px; color: var(--muted); }
.sort-select {
  padding: 7px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

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

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: rgba(79,142,247,0.4); transform: translateY(-2px); }
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg3);
}
.card-img-placeholder {
  width: 100%;
  height: 200px;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.card-locality {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.card-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.card-price span { font-size: 13px; font-weight: 400; color: var(--muted); }

/* Yield badge */
.yield-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--bg3);
  border-radius: 12px;
  padding: 12px;
}
.yield-item { text-align: center; }
.yield-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 3px; }
.yield-value { font-size: 16px; font-weight: 800; }
.yield-value.gross { color: var(--text); }
.yield-value.net { color: var(--green); }
.yield-value.payback { color: var(--accent); }

/* Rating badge */
.rating {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
}
.rating-A { background: rgba(61,214,140,0.2); color: var(--green); }
.rating-B { background: rgba(245,197,66,0.2); color: var(--yellow); }
.rating-C { background: rgba(247,90,90,0.2); color: var(--red); }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.card-area { font-size: 13px; color: var(--muted); }
.card-rent { font-size: 12px; color: var(--muted); }

.card-link {
  display: block;
  padding: 10px;
  text-align: center;
  background: rgba(79,142,247,0.1);
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: 10px;
  transition: background 0.2s;
  margin-top: auto;
}
.card-link:hover { background: rgba(79,142,247,0.2); }

/* ─── Auction card extras ───────────────────────────────────── */
.auction-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(247,154,79,0.2);
  color: var(--orange);
}
.discount-block {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg3);
  border-radius: 12px;
  padding: 12px 14px;
}
.discount-value {
  font-size: 28px;
  font-weight: 900;
  color: var(--green);
}
.discount-info { display: flex; flex-direction: column; gap: 3px; }
.discount-row { font-size: 12px; color: var(--muted); }
.discount-row strong { color: var(--text); font-size: 14px; }
.auction-date {
  font-size: 12px;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ─── Stats bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 20px;
  flex: 1;
  min-width: 120px;
}
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 800; color: var(--text); }
.stat-value.green { color: var(--green); }
.stat-value.blue { color: var(--accent); }

/* ─── Empty state ───────────────────────────────────────────── */
.empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty .icon { font-size: 40px; margin-bottom: 12px; }

/* ─── Loading ───────────────────────────────────────────────── */
.loading {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
}
.spinner {
  display: inline-block;
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Source badge ──────────────────────────────────────────── */
.source-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--bg3);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ─── Update info ───────────────────────────────────────────── */
.update-info {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  margin-bottom: 16px;
}

/* ─── Tooltip ───────────────────────────────────────────────── */
.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg3);
  color: var(--muted);
  font-size: 10px;
  cursor: help;
  vertical-align: middle;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .filters { flex-direction: column; }
  .filter-group { min-width: 100%; }
  .yield-block { grid-template-columns: repeat(2, 1fr); }
}