:root {
  --green: #2e7d32;
  --green-bg: rgba(76, 175, 80, 0.18);
  --yellow: #b8860b;
  --yellow-bg: rgba(255, 193, 7, 0.2);
  --red: #c62828;
  --red-bg: rgba(244, 67, 54, 0.18);
  --ink: #1c1e21;
  --muted: #5f6368;
  --border: #e0e2e5;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
  --accent: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.4;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

header.site-header {
  padding: 1.25rem 1rem 0.5rem;
  text-align: center;
}

header.site-header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.6rem;
}

header.site-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.header-cta {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
  text-align: center;
}

.stat .value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat .label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat.zone-green .value { color: var(--green); }
.stat.zone-yellow .value { color: var(--yellow); }
.stat.zone-red .value { color: var(--red); }

.chart-card {
  position: relative;
  height: 340px;
}

@media (min-width: 720px) {
  .chart-card {
    height: 420px;
  }
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.swatch.green { background: var(--green); }
.swatch.yellow { background: var(--yellow); }
.swatch.red { background: var(--red); }

.table-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.table-controls input,
.table-controls select {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: #fff;
}

.table-controls input[type="text"] {
  flex: 1 1 200px;
}

.table-scroll {
  overflow-x: auto;
}

table.history {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 640px;
}

table.history th,
table.history td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

table.history td.notes-cell {
  white-space: normal;
  min-width: 160px;
}

table.history th {
  cursor: pointer;
  user-select: none;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: sticky;
  top: 0;
  background: var(--card-bg);
}

table.history th.sorted::after {
  content: " \2195";
}

.zone-pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.zone-pill.green { background: var(--green-bg); color: var(--green); }
.zone-pill.yellow { background: var(--yellow-bg); color: var(--yellow); }
.zone-pill.red { background: var(--red-bg); color: var(--red); }

.rescue-badge {
  color: #ea580c;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.pagination button {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}

footer.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 1.5rem 1rem 2rem;
}

footer.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

.form-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 0;
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 560px) {
  .field-row {
    flex-direction: row;
  }
}

.field-row[hidden] {
  display: none;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}

.field input:not([type="checkbox"]):not([type="radio"]),
.field select,
.field textarea {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  font-family: inherit;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.field textarea {
  resize: vertical;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 400;
}

.submit-btn {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.submit-btn:active {
  opacity: 0.85;
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.back-link {
  text-align: center;
  margin-top: 0.5rem;
}

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