:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-accent: #1976d2;
  --color-accent-soft: #90caf9;
  --color-accent-bg: #e3f2fd;
  --color-state-base: #cfd8dc;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
  --radius: 10px;
  --space: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.poc-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

@media (max-width: 600px) {
  .poc-shell { padding: 16px 8px 48px; }
}

.poc-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.poc-header h1 {
  margin: 0;
  font-size: 1.75rem;
}

.poc-header .badge {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.poc-header .back-link {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.poc-header .back-link:hover { color: var(--color-accent); }

.poc-subtitle {
  margin: 0 0 24px;
  color: var(--color-muted);
}

.poc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

.map-panel,
.gallery-panel {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

@media (max-width: 600px) {
  .map-panel,
  .gallery-panel { padding: 12px; }
}

.map-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.map-panel h2,
.gallery-panel h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.map-panel-header h2 { margin: 0; }

.zoom-controls {
  display: inline-flex;
  gap: 4px;
}
.zoom-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  line-height: 1.2;
  min-width: 32px;
}
.zoom-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.zoom-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.map-host {
  width: 100%;
  min-height: 320px;
  position: relative;
}

.map-host > div:not(.map-tooltip),
.map-host > svg {
  width: 100%;
  max-width: 100%;
  display: block;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 18px;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.control-row label {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 600;
}

.state-dropdown {
  flex: 1 1 200px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
.state-dropdown:focus {
  outline: 2px solid var(--color-accent-soft);
  outline-offset: 1px;
}

.reset-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}
.reset-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }

.chip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 120ms, border-color 120ms, color 120ms;
}
.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.chip.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.selection-status {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.selection-status strong {
  color: var(--color-text);
  font-weight: 600;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.gallery-card {
  background: linear-gradient(135deg, #fff, #f8fafc);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.gallery-card .emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: 6px;
}
.gallery-card .title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.gallery-card .blurb {
  font-size: 0.78rem;
  color: var(--color-muted);
}
.gallery-card .state-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  border-radius: 4px;
  padding: 2px 6px;
}

.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-muted);
  padding: 24px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

.poc-footer {
  margin-top: 32px;
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
}
.poc-footer a { color: var(--color-accent); }