:root {
  --bg: #f3f6f4;
  --surface: #ffffff;
  --ink: #1c2b22;
  --ink-soft: #5c6b62;
  --accent: #2f6b4f;
  --accent-soft: #e4efe8;
  --border: #dde5e0;
  --shadow: 0 1px 2px rgba(20, 40, 30, 0.06), 0 4px 14px rgba(20, 40, 30, 0.06);
  --silhouette: #24352c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121814;
    --surface: #1b241d;
    --ink: #eaf1ec;
    --ink-soft: #9fb0a5;
    --accent: #6fbf94;
    --accent-soft: #223529;
    --border: #2b3a30;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 14px rgba(0, 0, 0, 0.35);
    --silhouette: #dfe9e3;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.app-header {
  background: linear-gradient(135deg, var(--accent), #1f4d38);
  color: #fff;
  padding: 1.75rem 1rem;
}
.header-inner { max-width: 1100px; margin: 0 auto; }
.app-header h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.subtitle { margin: 0; opacity: 0.85; font-size: 0.95rem; }
.app-header-plants {
  background: linear-gradient(135deg, #c9a66b, #2f6b6b);
}

main { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }

.site-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ink-soft);
  text-decoration: none;
  background: var(--surface);
}
.site-nav a:hover { color: var(--accent); border-color: var(--accent); }
.site-nav a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.toolbar input[type="search"] {
  flex: 1 1 220px;
}
.toolbar input, .toolbar select, .btn-secondary {
  font: inherit;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
}
.btn-secondary {
  cursor: pointer;
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.btn-secondary:hover { background: var(--accent-soft); }
.btn-dashboard {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.summary {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.bird-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.9rem;
}

.bird-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bird-click-area {
  border: none;
  background: var(--accent-soft);
  cursor: pointer;
  padding: 0;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  touch-action: manipulation;
}
.bird-click-area:hover .bird-photo { transform: scale(1.03); }
.bird-click-area:active .bird-photo,
.bird-click-area:active .bird-svg { transform: scale(0.97); }

.bird-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.15s ease;
}

.bird-svg {
  width: 100%;
  height: 100%;
  display: block;
  padding: 0.5rem;
  box-sizing: border-box;
  transition: transform 0.1s ease;
}
.bird-svg .bird-wing path,
.bird-svg .bird-body,
.bird-svg .bird-tail,
.bird-svg .bird-neck,
.bird-svg .bird-head,
.bird-svg .bird-beak {
  fill: var(--silhouette);
}
.bird-svg .bird-legs {
  stroke: var(--silhouette);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
}

.plant-svg {
  width: 100%;
  height: 100%;
  display: block;
  padding: 0.6rem;
  box-sizing: border-box;
}
.plant-svg .plant-fill { fill: var(--accent); }
.plant-svg .plant-stroke { stroke: var(--accent); fill: none; stroke-linecap: round; }
.plant-svg .plant-berry { fill: #d9622b; }

.count-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  min-width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.35rem;
}
.count-badge.zero {
  background: transparent;
  color: var(--ink-soft);
  border: 1px dashed var(--border);
}

.bird-info {
  padding: 0.6rem 0.75rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.bird-name { font-weight: 600; font-size: 0.95rem; }
.bird-latin { font-style: italic; color: var(--ink-soft); font-size: 0.78rem; }
.plant-desc {
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.4;
  margin: 0.3rem 0 0;
}
.bird-credit {
  font-size: 0.68rem;
  color: var(--ink-soft);
  text-decoration: none;
  margin-top: 0.15rem;
}
.bird-credit:hover { text-decoration: underline; color: var(--accent); }

.card-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0.75rem 0.7rem;
}
.card-controls button {
  font: inherit;
  font-size: 0.78rem;
  border: none;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0.2rem 0.3rem;
}
.card-controls button:hover { color: var(--accent); }

.no-results {
  text-align: center;
  color: var(--ink-soft);
  margin-top: 2rem;
}

.app-footer {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
  padding: 1rem;
}
.app-footer a {
  color: var(--ink-soft);
}
.app-footer a:hover {
  color: var(--accent);
}

.legal-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  line-height: 1.6;
}
.legal-page h2 {
  font-size: 1.1rem;
  margin-top: 1.75rem;
  margin-bottom: 0.4rem;
}
.legal-page p {
  margin: 0 0 0.6rem;
}
.legal-page a {
  color: var(--accent);
}
.legal-back {
  display: inline-block;
  margin-top: 1rem;
}

/* ---------- Dashboard ---------- */

.dashboard-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.back-link {
  display: inline-block;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.back-link:hover { color: var(--accent); }

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem;
}
.stat-tile-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}
.stat-tile-label {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 0.2rem;
}

.dashboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem 1.3rem;
  margin-bottom: 1.25rem;
}
.dashboard-card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
}
.dashboard-card-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}
.dashboard-card-header h2 { margin: 0; }

.range-filter {
  display: flex;
  gap: 0.3rem;
}
.range-filter button {
  font: inherit;
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink-soft);
  cursor: pointer;
}
.range-filter button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.chart-wrap {
  overflow-x: auto;
  padding-bottom: 0.25rem;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 180px;
  border-bottom: 1px solid var(--border);
  min-width: max-content;
  padding: 0 2px;
}
.chart-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  width: 22px;
}
.chart-bar {
  position: relative;
  width: 100%;
  max-width: 22px;
  height: var(--bar-height, 4%);
  background: var(--accent);
  border: none;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: filter 0.1s ease;
}
.chart-bar:hover,
.chart-bar:focus-visible {
  filter: brightness(1.12);
  outline: none;
}
.bar-value {
  position: absolute;
  top: -1.3rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.chart-x-label {
  font-size: 0.65rem;
  color: var(--ink-soft);
  margin-top: 0.4rem;
  white-space: nowrap;
}

.chart-tooltip {
  position: absolute;
  transform: translate(-50%, -100%);
  background: var(--ink);
  color: var(--bg);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.1s ease;
  z-index: 20;
  white-space: nowrap;
}
.chart-tooltip.visible { opacity: 1; visibility: visible; }
.chart-tooltip strong { font-size: 0.85rem; }

.empty-hint {
  color: var(--ink-soft);
  font-size: 0.85rem;
  text-align: center;
  padding: 1.5rem 0.5rem;
}

.table-toggle {
  margin-top: 0.8rem;
  font-size: 0.85rem;
}
.table-toggle summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}
.table-scroll {
  max-height: 260px;
  overflow-y: auto;
  margin-top: 0.6rem;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.data-table th {
  color: var(--ink-soft);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: var(--surface);
}

.day-detail-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.day-detail-item {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0.6rem;
  background: var(--bg);
  border-radius: 8px;
  font-size: 0.88rem;
}
.day-detail-count {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.leaderboard {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.leaderboard-row {
  display: grid;
  grid-template-columns: 1.5rem minmax(90px, 1fr) minmax(60px, 2fr) 2.5rem;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}
.leaderboard-rank {
  color: var(--ink-soft);
  font-weight: 600;
  text-align: right;
}
.leaderboard-name {
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.leaderboard-bar-track {
  height: 10px;
  background: var(--accent-soft);
  border-radius: 999px;
  overflow: hidden;
  display: block;
}
.leaderboard-bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}
.leaderboard-count {
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}