:root {
  --bg: #0e1a16;
  --surface: #16241f;
  --surface-raised: #1c2c26;
  --hairline: #2a3b34;
  --text-primary: #eaf2ed;
  --text-secondary: #8fa89c;
  --accent: #6fbf8b;
  --accent-dim: #3f6b52;
  --risk-low: #4f9d69;
  --risk-medium: #d9a441;
  --risk-high: #c05b41;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ---- Top bar ---- */

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 40px;
}

.mark {
  font-family: "Newsreader", serif;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ---- Hero ---- */

.hero {
  max-width: 640px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: "Newsreader", serif;
  font-weight: 400;
  font-style: italic;
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--text-primary);
}

.hero .sub {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 56ch;
  margin: 0;
}

/* ---- Console / form ---- */

.console {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 28px;
}

#location-form {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 13px;
  color: var(--text-secondary);
}

.field input {
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 15px;
  padding: 10px 12px;
  font-family: "Inter", sans-serif;
}

.field input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

#run-btn {
  background: var(--accent);
  color: #0e1a16;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  padding: 11px 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
}

#run-btn:hover { background: #86cea0; }
#run-btn:disabled { background: var(--accent-dim); cursor: progress; }

#run-btn:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.status {
  margin: 12px 0 0;
  min-height: 1.2em;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--text-secondary);
}

.status.error { color: var(--risk-high); }

/* ---- Map ---- */

.map-section {
  margin-bottom: 28px;
}

#map {
  height: 380px;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow: hidden;
}

.dark-tiles {
  filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.leaflet-popup-content-wrapper {
  background: var(--surface-raised);
  color: var(--text-primary);
  border-radius: 8px;
}
.leaflet-popup-tip { background: var(--surface-raised); }

/* ---- Result cards ---- */

.results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  border-top: 3px solid var(--hairline);
}

.card[data-role="warehouse"] {
  border-top-color: var(--accent);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.role {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

.badge {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid transparent;
}

.badge.low { color: var(--risk-low); border-color: var(--risk-low); }
.badge.medium { color: var(--risk-medium); border-color: var(--risk-medium); }
.badge.high { color: var(--risk-high); border-color: var(--risk-high); }

.card .place {
  font-family: "Newsreader", serif;
  font-weight: 500;
  font-size: 20px;
  margin: 0 0 6px;
}

.card .reason {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 16px;
  line-height: 1.45;
}

.signals {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.signal {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--hairline);
  padding-top: 8px;
}

.signal dt {
  font-size: 12px;
  color: var(--text-secondary);
}

.signal dd {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  text-align: right;
  color: var(--text-primary);
}

/* ---- Footnote ---- */

.footnote {
  margin-top: 40px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}

/* ---- Responsive ---- */

@media (max-width: 860px) {
  .hero h1 { font-size: 30px; }
  #location-form { grid-template-columns: 1fr; }
  .results { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}