/* ============================================================
   Chicago NDVI Monitor — Professional Dark GIS Theme
   ============================================================ */

:root {
  --bg:            #0d1117;
  --sidebar-bg:    #161b22;
  --panel-bg:      #1c2128;
  --border:        #30363d;
  --border-sub:    #21262d;
  --text:          #e6edf3;
  --text-muted:    #8b949e;
  --text-subtle:   #484f58;
  --accent:        #3fb950;
  --accent-dim:    rgba(63,185,80,0.15);
  --accent-border: rgba(63,185,80,0.35);
  --blue:          #388bfd;
  --header-h:      52px;
  --sidebar-w:     260px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 12px;
  color: var(--text);
  background: var(--bg);
  display: grid;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ── Loading ───────────────────────────────────────────── */
.loader {
  position: fixed;
  inset: 0;
  background: rgba(13,17,23,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(6px);
  transition: opacity 0.35s, visibility 0.35s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.loader-ring {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text { font-size: 11px; color: var(--text-muted); letter-spacing: 0.08em; }

/* ── Header ──────────────────────────────────────────────── */
header {
  grid-column: 1 / -1;
  background: #010409;
  border-bottom: 1px solid var(--border-sub);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 14px;
  z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 12px; }

.header-logo {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #1f6feb 0%, #3fb950 100%);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(63,185,80,0.25);
}

.app-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  display: block;
}
.app-sub {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
  letter-spacing: 0.01em;
}

.header-right { display: flex; align-items: center; gap: 16px; }

.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}
.meta-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
}
.meta-value { font-size: 12px; color: var(--text-muted); }
.mono { font-family: 'JetBrains Mono', monospace; font-weight: 400; }

.status-chip {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  white-space: nowrap;
}
.status-chip.loading {
  background: rgba(56,139,253,0.15);
  color: var(--blue);
  border-color: rgba(56,139,253,0.35);
}

/* ── Sidebar ─────────────────────────────────────────────── */
#sidebar {
  grid-column: 1;
  grid-row: 2;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-section {
  padding: 14px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label svg { flex-shrink: 0; opacity: 0.6; }

.field-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 5px;
}

select {
  width: 100%;
  margin-bottom: 12px;
  padding: 7px 28px 7px 9px;
  font-size: 12px;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--panel-bg)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b949e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")
    no-repeat right 9px center;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  appearance: none;
}
select:focus { border-color: var(--blue); }
select option { background: var(--panel-bg); color: var(--text); }

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  margin-bottom: 10px;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--sidebar-bg);
  box-shadow: 0 0 0 3px var(--accent-dim);
  cursor: pointer;
  transition: box-shadow 0.15s;
}
input[type="range"]:hover::-webkit-slider-thumb { box-shadow: 0 0 0 5px var(--accent-dim); }
input[type="range"]::-moz-range-thumb {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--sidebar-bg);
  cursor: pointer;
}

.btn-row { display: flex; gap: 6px; }
.btn-sec {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 7px 0;
  font-size: 11px;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.btn-sec:hover { color: var(--text); border-color: var(--text-muted); }

/* Toggle switch */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.toggle-meta { display: flex; flex-direction: column; gap: 2px; }
.toggle-label { font-size: 12px; font-weight: 500; color: var(--text); }
.toggle-sub { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--text-subtle); }

.switch { position: relative; display: inline-block; width: 34px; height: 19px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.sw-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 19px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  border: 1px solid transparent;
}
.sw-track::before {
  content: '';
  position: absolute;
  width: 13px; height: 13px;
  border-radius: 50%;
  left: 2px; top: 2px;
  background: var(--text-subtle);
  transition: transform 0.2s, background 0.2s;
}
.switch input:checked + .sw-track {
  background: rgba(63,185,80,0.2);
  border-color: var(--accent-border);
}
.switch input:checked + .sw-track::before {
  transform: translateX(15px);
  background: var(--accent);
}

/* Legend */
.legend-ramp { margin-bottom: 10px; }
.ramp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
}
.ramp-swatch {
  width: 14px; height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.07);
}
.ramp-row span { font-size: 10.5px; color: var(--text-muted); }

.flag-row { display: flex; gap: 6px; flex-wrap: wrap; }
.flag-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  letter-spacing: 0.02em;
}
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: block; flex-shrink: 0; }
.flag-pill.minor    { color: #f59e0b; background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.3); }
.flag-pill.moderate { color: #ef4444; background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.3); }
.flag-pill.severe   { color: #a78bfa; background: rgba(167,139,250,0.12);border: 1px solid rgba(167,139,250,0.3); }

/* Stats */
.stats-empty { font-size: 11px; color: var(--text-subtle); font-style: italic; }

.stat-primary {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
}
.stat-primary-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.stat-primary-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  line-height: 1;
}
.stat-primary-sub { font-size: 10px; color: var(--text-subtle); margin-top: 4px; }

.stat-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 0;
}
.stat-mini {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
}
.stat-mini-label { font-size: 10px; color: var(--text-muted); line-height: 1.3; }
.stat-mini-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-top: 3px;
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: auto;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.footer-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--text-subtle);
}
.footer-row svg { flex-shrink: 0; opacity: 0.5; }

/* ── Map ─────────────────────────────────────────────────── */
#map {
  grid-column: 2;
  grid-row: 2;
  background: var(--bg);
}

/* ── Detail Panel ────────────────────────────────────────── */
#detail-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 300px;
  background: rgba(22,27,34,0.97);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.65), 0 0 0 1px rgba(255,255,255,0.04);
  z-index: 2000;
  backdrop-filter: blur(16px);
  overflow: hidden;
}
#detail-panel.hidden { display: none; }

.dp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 13px 14px 11px;
  border-bottom: 1px solid var(--border);
}
.dp-name { font-size: 13px; font-weight: 700; color: var(--text); }
.dp-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.icon-btn {
  background: none;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 3px;
  display: flex;
  align-items: center;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.icon-btn:hover { color: var(--text); background: var(--panel-bg); }

.dp-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
}
.dp-stat {
  padding: 9px 10px;
  text-align: center;
  border-right: 1px solid var(--border);
  background: var(--panel-bg);
}
.dp-stat:last-child { border-right: none; }
.dp-stat-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.dp-stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-top: 3px;
}

.dp-chart-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 10px 14px 4px;
}
.dp-chart-wrap { padding: 0 10px 12px; height: 110px; }

/* ── Leaflet overrides ────────────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: rgba(22,27,34,0.97) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  color: var(--text) !important;
  font-family: 'Inter', system-ui, sans-serif !important;
  font-size: 12px !important;
  box-shadow: 0 6px 28px rgba(0,0,0,0.55) !important;
}
.leaflet-popup-tip { background: rgba(22,27,34,0.97) !important; }
.leaflet-popup-content { margin: 10px 13px !important; }

.leaflet-tooltip {
  background: rgba(22,27,34,0.96) !important;
  border: 1px solid var(--border) !important;
  border-radius: 7px !important;
  color: var(--text) !important;
  font-family: 'Inter', system-ui, sans-serif !important;
  font-size: 11px !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5) !important;
  padding: 7px 11px !important;
  line-height: 1.65 !important;
}
.leaflet-tooltip::before { display: none !important; }

.leaflet-control-zoom a {
  background: var(--panel-bg) !important;
  color: var(--text-muted) !important;
  border-color: var(--border) !important;
  width: 28px !important; height: 28px !important;
  line-height: 28px !important;
}
.leaflet-control-zoom a:hover { background: var(--sidebar-bg) !important; color: var(--text) !important; }
.leaflet-bar {
  box-shadow: 0 2px 10px rgba(0,0,0,0.5) !important;
  border-radius: 7px !important;
  overflow: hidden;
  border: 1px solid var(--border) !important;
}
.leaflet-bar a:first-child { border-radius: 6px 6px 0 0 !important; }
.leaflet-bar a:last-child  { border-radius: 0 0 6px 6px !important; }

.leaflet-control-attribution {
  background: rgba(13,17,23,0.82) !important;
  color: var(--text-subtle) !important;
  font-size: 9px !important;
  border-radius: 5px 0 0 0 !important;
  padding: 3px 6px !important;
}
.leaflet-control-attribution a { color: var(--text-muted) !important; }

/* Tooltip content classes */
.tt-name  { font-weight: 600; color: var(--text); display: block; margin-bottom: 4px; }
.tt-row   { display: flex; justify-content: space-between; gap: 16px; }
.tt-key   { color: var(--text-muted); }
.tt-val   { font-family: 'JetBrains Mono', monospace; color: var(--text); }
.tt-val.green  { color: #3fb950; }
.tt-val.orange { color: #f46d43; }
.tt-val.red    { color: #d73027; }

/* ── Normalised NDVI legend ───────────────────────────────── */
.legend-norm-wrap {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 8px;
}
.legend-norm-bar {
  width: 12px;
  min-height: 120px;
  border-radius: 4px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(to top,
    rgb(215,48,39),
    rgb(244,109,67),
    rgb(254,224,144),
    rgb(166,217,106),
    rgb(0,104,55)
  );
}
.legend-norm-ticks {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  padding: 1px 0;
}
.legend-norm-tick {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend-norm-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}
.legend-norm-val {
  font-size: 10px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.legend-norm-tag {
  font-size: 9px;
  color: var(--text-subtle);
  font-style: italic;
  font-family: 'Inter', system-ui, sans-serif;
}
.legend-norm-note {
  font-size: 9.5px;
  color: var(--text-subtle);
  font-style: italic;
  line-height: 1.4;
  margin-top: 4px;
}