:root {
  --bg: #07111f;
  --bg2: #0d1b2d;
  --panel: rgba(255,255,255,0.08);
  --panel-strong: rgba(255,255,255,0.12);
  --line: rgba(255,255,255,0.1);
  --text: #f3f7fb;
  --muted: #9db0c6;
  --accent: #3cf0c4;
  --accent2: #66a9ff;
  --warn: #ffcf5a;
  --danger: #ff6c7a;
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(60,240,196,0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(102,169,255,0.18), transparent 22%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  color: var(--text);
  min-height: 100vh;
}
button, input { font: inherit; }
button { cursor: pointer; }

.app-shell {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 18px;
  padding: 18px;
  min-height: 100vh;
}

.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.sidebar {
  border-radius: var(--radius-xl);
  padding: 22px;
}

.brand-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 34px; line-height: 1.05; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
.subtext {
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
}
.subtext.small, .small-muted, .coords { font-size: 13px; color: var(--muted); }
.small-muted { white-space: nowrap; }
.brand-badge {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(60,240,196,0.24), rgba(102,169,255,0.24));
  display: grid;
  place-items: center;
  font-size: 28px;
}

.panel-block {
  margin-bottom: 18px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(4, 12, 22, 0.36);
}
.block-label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
}

.segmented, .chip-row, .input-row, .input-stack, .alerts-title-row, .panel-top-row, .map-toolbar, .toolbar-pills {
  display: flex;
  gap: 10px;
}
.segmented.three .seg-btn { width: calc((100% - 20px) / 3); }
.segmented.two .seg-btn { width: calc((100% - 10px) / 2); }
.seg-btn, .chip, .ghost-btn, .accent-btn, .primary-btn, .warn-btn {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  transition: 0.2s ease;
}
.seg-btn, .chip { padding: 12px 14px; }
.seg-btn:hover, .chip:hover, .ghost-btn:hover, .accent-btn:hover, .primary-btn:hover, .warn-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.seg-btn.active {
  background: linear-gradient(180deg, rgba(60,240,196,0.24), rgba(60,240,196,0.08));
  border-color: rgba(60,240,196,0.5);
  color: #dffef7;
}
.chip.active {
  background: linear-gradient(180deg, rgba(177,104,255,0.24), rgba(177,104,255,0.08));
  border-color: rgba(208,145,255,0.4);
}

.search-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--line);
}
.search-box label { display: block; margin-bottom: 8px; font-size: 14px; color: var(--muted); }
.input-row input, .input-stack input, #alertThreshold {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}
.input-row input::placeholder, #alertThreshold::placeholder { color: #7990ab; }
.primary-btn, .accent-btn, .ghost-btn, .warn-btn {
  padding: 13px 16px;
  font-weight: 700;
}
.primary-btn { background: linear-gradient(180deg, #49f1c8, #1cc39b); color: #05261e; border-color: transparent; }
.accent-btn { background: linear-gradient(180deg, #75c0ff, #4d8fff); color: #06182f; border-color: transparent; }
.warn-btn { background: linear-gradient(180deg, #ffd87a, #ffbf3a); color: #3a2600; border-color: transparent; }
.ghost-btn { background: rgba(255,255,255,0.06); }
.input-stack { flex-direction: column; }
.input-stack.compact { gap: 8px; }
.top-gap { margin-top: 12px; }
.hidden { display: none; }

.hero-card {
  margin-bottom: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(60,240,196,0.14);
  background: linear-gradient(135deg, rgba(60,240,196,0.14), rgba(102,169,255,0.1));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.hero-label { color: #cbe0ff; font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; }
.hero-price { margin-top: 6px; font-size: 34px; font-weight: 800; }

.tiny-pill {
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  padding: 7px 12px;
  font-size: 12px;
  color: #d9e7f5;
}
.alerts-title-row { justify-content: space-between; align-items: center; }
.alerts-list { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(0,0,0,0.24);
  border: 1px solid var(--line);
}
.alert-item .meta, .empty-note { color: var(--muted); font-size: 14px; }
.remove-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
}

.status-box {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.2);
  color: #dce9f6;
}
.status-box.error { border-color: rgba(255,108,122,0.35); color: #ffd4d9; }
.status-box.success { border-color: rgba(60,240,196,0.28); color: #dffef7; }

.content-area { display: grid; grid-template-rows: 1fr auto; gap: 18px; }
.map-panel {
  border-radius: var(--radius-xl);
  padding: 16px;
  overflow: hidden;
}
.map-toolbar { justify-content: space-between; align-items: center; margin-bottom: 12px; }
.map-toolbar p { margin-top: 6px; color: var(--muted); }
#map {
  width: 100%;
  height: calc(100vh - 270px);
  min-height: 460px;
  border-radius: 24px;
  overflow: hidden;
}

.bottom-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 18px;
}
.results-panel, .details-panel {
  border-radius: var(--radius-xl);
  padding: 16px;
}
.panel-top-row { justify-content: space-between; align-items: center; margin-bottom: 12px; }
.results-list {
  max-height: 290px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 4px;
}
.result-item {
  width: 100%;
  text-align: left;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.2);
  color: var(--text);
  padding: 14px;
}
.result-item.active { border-color: rgba(60,240,196,0.45); background: rgba(60,240,196,0.08); }
.result-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}
.result-name { font-weight: 700; margin-bottom: 4px; }
.result-address, .result-distance { color: var(--muted); font-size: 13px; }
.price-pill {
  min-width: 88px;
  text-align: center;
  border-radius: 14px;
  background: rgba(102,169,255,0.16);
  color: #e3f0ff;
  padding: 10px 12px;
  font-weight: 800;
}

.details-card {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.18);
  padding: 18px;
}
.details-card.empty-state { color: var(--muted); }
.details-title { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.details-sub { color: var(--muted); margin-bottom: 4px; }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.price-card {
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
}
.price-card .label { color: var(--muted); font-size: 13px; }
.price-card .value { margin-top: 6px; font-size: 20px; font-weight: 800; }
.detail-meta {
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--line);
  color: #dce9f6;
}

.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: #f8fbff; color: #10233f; }
.popup-title { font-weight: 800; margin-bottom: 5px; }
.popup-sub { color: #4a607c; font-size: 13px; }
.popup-price { margin-top: 8px; font-size: 14px; }

@media (max-width: 1200px) {
  .app-shell { grid-template-columns: 1fr; }
  #map { height: 500px; }
}

@media (max-width: 840px) {
  .bottom-grid { grid-template-columns: 1fr; }
  .map-toolbar, .panel-top-row, .alerts-title-row, .hero-card { flex-direction: column; align-items: flex-start; }
  .segmented { flex-wrap: wrap; }
  .segmented.three .seg-btn, .segmented.two .seg-btn { width: 100%; }
  .input-row { flex-direction: column; }
  .price-grid { grid-template-columns: 1fr; }
  #map { height: 420px; min-height: 420px; }
}