/* ── Reset & Base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Noto Sans TC', sans-serif; background: #f5f5f5; color: #1a1a1a; }
/* Ensure [hidden] always hides, even when element has an explicit display rule */
[hidden] { display: none !important; }

/* ── Screen Reader Only ───────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border-width: 0;
}

/* ── Top Bar ──────────────────────────────────────────── */
#top-bar {
  position: sticky; top: 0; z-index: 1000;
  background: #1a5c2a; color: #fff;
  padding: 8px 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
#site-title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
#version-badge { font-size: 0.65rem; font-weight: 400; opacity: 0.55; letter-spacing: 0.02em; vertical-align: middle; }
.legend-label { font-size: 0.72rem; color: #333; margin-right: 8px; }

#search-row { display: flex; gap: 8px; margin-bottom: 6px; }
#search-input {
  flex: 1; padding: 8px 12px; font-size: 1rem;
  border: 2px solid transparent; border-radius: 8px;
  background: rgba(255,255,255,0.15); color: #fff;
  outline: none;
}
#search-input::placeholder { color: rgba(255,255,255,0.7); }
#search-input:focus { border-color: #7ecb94; background: rgba(255,255,255,0.2); }

#scan-btn {
  padding: 8px 14px; border: 2px solid #7ecb94; border-radius: 8px;
  background: transparent; color: #fff; font-size: 0.95rem;
  cursor: pointer; white-space: nowrap;
}
#scan-btn:active { background: rgba(126,203,148,0.25); }

/* ── Filter Row ───────────────────────────────────────── */
#filter-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
#filter-district, #filter-species {
  padding: 6px 10px; border-radius: 20px; border: 1.5px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.12); color: #fff; font-size: 0.85rem;
}
#filter-district option { background: #1a5c2a; }
#filter-species::placeholder { color: rgba(255,255,255,0.6); }
#category-chips { display: flex; gap: 6px; }
.chip {
  padding: 5px 12px; border-radius: 20px; border: 1.5px solid rgba(255,255,255,0.4);
  background: transparent; color: rgba(255,255,255,0.8); font-size: 0.85rem;
  cursor: pointer; transition: background 0.15s;
}
.chip.active { background: #7ecb94; color: #1a1a1a; border-color: #7ecb94; font-weight: 600; }

/* ── Map ──────────────────────────────────────────────── */
#map-container { height: 50vh; min-height: 280px; width: 100%; z-index: 0; position: relative; }

/* ── Stats Bar ────────────────────────────────────────── */
#stats-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 14px; background: #fff; border-bottom: 1px solid #e0e0e0;
}
#count-label { font-size: 0.9rem; color: #555; }
#stats-toggle {
  font-size: 0.85rem; color: #1a5c2a; background: none;
  border: 1px solid #1a5c2a; border-radius: 16px;
  padding: 4px 12px; cursor: pointer;
}

/* ── Stats Panel ──────────────────────────────────────── */
#stats-panel { background: #fff; padding: 12px 14px; border-bottom: 1px solid #e0e0e0; overflow-x: auto; }
#stats-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
#stats-table caption { display: none; }
#stats-table th, #stats-table td { padding: 6px 10px; text-align: right; border-bottom: 1px solid #f0f0f0; }
#stats-table th:first-child, #stats-table td:first-child { text-align: left; }
#stats-table thead th { background: #f5f5f5; font-weight: 600; color: #333; }
#stats-table tbody tr:hover { background: #f0f7f1; cursor: pointer; }
#top-species-wrap { margin-top: 10px; font-size: 0.85rem; color: #555; }
#top-species .sp-chip {
  display: inline-block; margin: 2px 3px; padding: 2px 8px;
  background: #e8f5e9; border-radius: 12px; font-size: 0.8rem; color: #2e7d32;
}

/* ── Tree List ────────────────────────────────────────── */
#tree-list { list-style: none; background: #fff; overflow-y: auto; max-height: 35vh; }
#tree-list li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid #f0f0f0;
  cursor: pointer; transition: background 0.15s;
}
#tree-list li:hover, #tree-list li:focus { background: #f0f7f1; outline: none; }
.tree-main { flex: 1; }
.tree-code { font-size: 0.75rem; color: #888; font-family: monospace; }
.tree-name { font-size: 1rem; font-weight: 600; color: #1a1a1a; }
.tree-sub { font-size: 0.8rem; color: #666; }
.tree-badge {
  font-size: 0.7rem; padding: 3px 8px; border-radius: 12px; font-weight: 600;
  white-space: nowrap; margin-left: 8px;
}
.badge-street { background: #e3f2fd; color: #1565c0; }
.badge-protected { background: #fce4ec; color: #b71c1c; }

/* ── Bottom Sheet ─────────────────────────────────────── */
#sheet-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000;
}
#detail-sheet {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 2001;
  background: #fff; border-radius: 16px 16px 0 0;
  max-height: 80vh; overflow-y: auto;
  transform: translateY(0); transition: transform 0.25s ease;
  padding-bottom: env(safe-area-inset-bottom);
}
#sheet-grab {
  width: 40px; height: 4px; background: #d0d0d0; border-radius: 2px;
  margin: 12px auto 0;
}
#sheet-content { padding: 16px 20px 24px; }
#sheet-header { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
#sheet-code { font-family: monospace; font-size: 0.85rem; color: #888; }
#sheet-badge { font-size: 0.75rem; padding: 3px 10px; border-radius: 12px; font-weight: 600; }
#sheet-title { font-size: 1.4rem; font-weight: 700; color: #1a1a1a; margin-bottom: 16px; }
#sheet-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin-bottom: 14px; }
#sheet-table td { padding: 6px 0; border-bottom: 1px solid #f5f5f5; }
#sheet-table td:first-child { color: #888; width: 90px; }
#sheet-carbon {
  background: #f0f7f1; border-radius: 10px; padding: 12px 14px;
  font-size: 0.9rem; color: #2e7d32; margin-bottom: 16px; line-height: 1.6;
}
#sheet-actions { display: flex; justify-content: space-between; }
#sheet-close, #sheet-share {
  padding: 10px 20px; border-radius: 8px; font-size: 0.95rem; cursor: pointer;
}
#sheet-close { background: #f5f5f5; border: none; color: #333; }
#sheet-share { background: #1a5c2a; border: none; color: #fff; }

/* ── QR Overlay ───────────────────────────────────────── */
#qr-overlay {
  position: fixed; inset: 0; z-index: 3000; background: #000;
  display: flex; flex-direction: column; align-items: center;
}
#qr-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; color: #fff;
}
#qr-close { background: none; border: 1px solid rgba(255,255,255,0.4); color: #fff; padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 1rem; }
#qr-video { width: 100%; max-width: 480px; flex: 1; object-fit: cover; }
#qr-aim {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 220px; height: 220px;
  border: 3px solid rgba(126,203,148,0.9);
  border-radius: 16px;
  pointer-events: none;
}

/* ── Toast ────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.8); color: #fff;
  padding: 10px 20px; border-radius: 24px; font-size: 0.9rem;
  z-index: 4000; white-space: nowrap;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateX(-50%) translateY(8px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ── Footer ───────────────────────────────────────────── */
#license-footer {
  background: #f9f9f9; border-top: 1px solid #e0e0e0;
  padding: 16px 14px; font-size: 0.75rem; color: #888; line-height: 1.6;
}
#license-footer p + p { margin-top: 6px; }

/* ── RWD（桌機）──────────────────────────────────────── */
@media (min-width: 768px) {
  #map-container { height: 60vh; }
  #detail-sheet { max-width: 480px; right: 20px; left: auto; border-radius: 16px; bottom: 20px; }
  #tree-list { max-height: none; }
}

/* ── Map Legend ───────────────────────────────────────── */
#map-legend {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 1000; display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.82); border-radius: 24px;
  padding: 6px 14px; box-shadow: 0 1px 6px rgba(0,0,0,0.22);
  pointer-events: none; backdrop-filter: blur(6px);
}
.legend-dot {
  width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.legend-dot.street { background: #1a5c2a; border-color: #fff; }
.legend-dot.park   { background: #fbcfe8; border-color: #f9a8d4; }
.legend-star {
  width: 16px; height: 16px; flex-shrink: 0;
  background: #f59e0b;
  clip-path: polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
}
.legend-cluster { margin-top: 5px; border-top: 1px solid #eee; padding-top: 5px; }
.legend-cluster-dot {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: #f0c040; border: 3px solid #e8a800;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: #333;
}

/* ── Top Title Row ───────────────────────────────────── */
#top-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
#guide-btn {
  font-size: 0.78rem; color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.4); border-radius: 14px;
  padding: 3px 10px; text-decoration: none; white-space: nowrap;
}
#guide-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }