/* ─── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #08080f;
  --panel:     #0f0f1a;
  --panel2:    #14141f;
  --border:    #1e1e30;
  --border2:   #2a2a40;
  --text:      #b8b8cc;
  --text-dim:  #5a5a78;
  --text-hi:   #e8e8f8;
  --accent:    #4f8ef7;
  --accent2:   #3a6fd8;
  --green:     #00e87a;
  --green-dim: #005c31;
  --red:       #ff4455;
  --red-dim:   #6b0012;
  --gold:      #f0a030;
  --radius:    6px;
  --radius-lg: 10px;
  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:      'JetBrains Mono', 'Courier New', monospace;
}

html, body {
  height: 100%; overflow: hidden;
  font-family: var(--font);
  background: var(--bg); color: var(--text);
  font-size: 13px; line-height: 1.5;
}

/* ─── Layout ───────────────────────────────────────────────────────────────── */
#app { display: flex; flex-direction: column; height: 100vh; }

#header {
  height: 48px; flex-shrink: 0;
  background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; padding: 0 20px;
  z-index: 1000;
}

#main { display: flex; flex: 1; overflow: hidden; position: relative; }

#sidebar {
  width: 300px; flex-shrink: 0;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow-y: auto; z-index: 900;
  scrollbar-width: thin; scrollbar-color: var(--border2) transparent;
}

#map-container { flex: 1; position: relative; }
#map { width: 100%; height: 100%; }

/* ─── Header ───────────────────────────────────────────────────────────────── */
.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--text-hi);
  letter-spacing: 0.02em;
}
.logo-icon {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.header-location {
  font-size: 11px; color: var(--text-dim); letter-spacing: 0.02em;
}
.header-sep { flex: 1; }
.header-scenario {
  font-size: 11px; color: var(--text-dim); letter-spacing: 0.02em;
  max-width: 500px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.header-tag {
  font-size: 9px; color: var(--text-dim); letter-spacing: 0.1em;
  text-transform: uppercase; padding: 3px 8px;
  border: 1px solid var(--border2); border-radius: 3px;
  font-family: var(--mono);
  flex-shrink: 0;
}

/* ─── Sidebar sections ─────────────────────────────────────────────────────── */
.sidebar-section {
  border-bottom: 1px solid var(--border); padding: 16px 20px;
}

.section-label {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 12px; font-weight: 700;
  color: var(--text-hi);
}

/* ─── Scenario controls ────────────────────────────────────────────────────── */
.select-group { display: flex; flex-direction: column; gap: 10px; }

.ctrl-row { display: flex; flex-direction: column; gap: 4px; }
.ctrl-label {
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.04em;
  text-transform: uppercase; font-weight: 500;
}

select {
  width: 100%; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border2); border-radius: var(--radius);
  padding: 8px 12px; font-family: var(--font); font-size: 12px;
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235a5a78'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  padding-right: 28px;
  transition: border-color 0.15s, background-color 0.15s;
}
select:focus { outline: none; border-color: var(--accent); }
select:hover { border-color: #3a3a56; background-color: #18182a; }

/* ─── Stats panel ──────────────────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.stat-card {
  background: var(--panel2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 12px;
}
.stat-val {
  font-size: 22px; font-weight: 700; color: var(--text-hi);
  line-height: 1; margin-bottom: 4px;
  font-family: var(--mono);
}
.stat-lbl {
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reduction-bar-wrap { margin-top: 12px; }
.reduction-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 6px;
}
.reduction-label {
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.04em;
  text-transform: uppercase; font-weight: 500;
}
.reduction-pct {
  font-size: 14px; font-weight: 700; color: var(--green);
  font-family: var(--mono);
}
.reduction-bar {
  height: 6px; background: var(--border2); border-radius: 3px; overflow: hidden;
}
.reduction-fill {
  height: 100%; background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 3px; transition: width 0.5s ease;
}

/* ─── Layer toggles ────────────────────────────────────────────────────────── */
.layer-list { display: flex; flex-direction: column; gap: 4px; }

.layer-toggle {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; padding: 6px 8px; border-radius: var(--radius);
  transition: background 0.15s; user-select: none;
}
.layer-toggle:hover { background: var(--panel2); }
.layer-toggle.active .toggle-dot { opacity: 1; }
.layer-toggle:not(.active) { opacity: 0.4; }

.toggle-dot {
  width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0;
}
.toggle-label { font-size: 12px; color: var(--text); }

/* ─── Legend ───────────────────────────────────────────────────────────────── */
.legend-items { display: flex; flex-direction: column; gap: 6px; }
.legend-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--text);
}
.legend-swatch {
  width: 24px; height: 10px; border-radius: 2px; flex-shrink: 0;
}
.legend-swatch.line {
  height: 3px; border-radius: 1px;
}
.legend-swatch.dashed {
  width: 24px; height: 0;
  border-top: 3px dashed #00e87a;
}
.legend-swatch.railroad {
  height: 3px; border-radius: 1px;
  position: relative;
  overflow: visible;
}
.legend-swatch.railroad::before {
  content: '';
  position: absolute;
  top: -3px; left: 1px; right: 1px; height: 9px;
  background: repeating-linear-gradient(
    90deg,
    currentColor 0px, currentColor 1.5px,
    transparent 1.5px, transparent 5.5px
  );
  opacity: 0.65;
}

.legend-depth-section { margin-top: 14px; }
.legend-depth { display: flex; gap: 3px; margin-top: 6px; }
.legend-depth-swatch { flex: 1; height: 8px; border-radius: 1px; }
.legend-depth-labels {
  display: flex; justify-content: space-between;
  font-size: 9px; color: var(--text-dim); margin-top: 3px;
}

/* ─── Map overlays ────────────────────────────────────────────────────────── */
.map-overlay {
  position: absolute;
  z-index: 800;
  background: rgba(15, 15, 26, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  pointer-events: auto;
  backdrop-filter: blur(8px);
}

.map-overlay-stats {
  top: 24px;
  right: 24px;
  width: 280px;
}

.map-overlay-stats .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.map-overlay-stats .stat-card { padding: 8px 10px; }
.map-overlay-stats .stat-val { font-size: 18px; }

.map-overlay-legend {
  bottom: 24px;
  right: 24px;
}

.overlay-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-hi);
  margin-bottom: 10px;
  font-weight: 700;
}

/* ─── LiDAR analysis overlays ────────────────────────────────────────────── */
.map-overlay-platform {
  bottom: 24px;
  left: 24px;
  max-width: 320px;
  max-height: 260px;
  overflow-y: auto;
}

.map-overlay-bfe-dfe {
  top: 380px;
  right: 24px;
  max-width: 320px;
  max-height: 300px;
  overflow-y: auto;
}

.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.mini-table th {
  text-align: left;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  padding: 2px 6px 4px 0;
  border-bottom: 1px solid var(--border);
}
.mini-table td {
  padding: 3px 6px 3px 0;
  color: var(--text);
  white-space: nowrap;
}

/* ─── Source badge ─────────────────────────────────────────────────────────── */
.source-badge {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 800;
  padding: 5px 14px; border-radius: 20px;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: opacity 0.3s;
}
.source-badge.hidden { opacity: 0; pointer-events: none; }
.source-badge.sfincs {
  background: rgba(0,232,122,0.1); border: 1px solid rgba(0,232,122,0.3);
  color: var(--green);
}
.source-badge.floodadapt {
  background: rgba(79,142,247,0.1); border: 1px solid rgba(79,142,247,0.3);
  color: var(--accent);
}

/* ─── Pixel art loader ─────────────────────────────────────────────────────── */
#loader-overlay {
  display: flex; position: fixed; inset: 0; z-index: 2000;
  background: rgba(8,8,15,0.92);
  flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  transition: opacity 0.3s ease;
}
#loader-overlay.visible { display: flex; }
#loader-overlay.hidden { opacity: 0; pointer-events: none; }

#pixel-canvas { image-rendering: pixelated; border: 2px solid var(--border2); border-radius: 4px; }

/* Bilinear interpolation on the flood depth raster */
.flood-raster-overlay {
  image-rendering: auto;
  mix-blend-mode: multiply;
}

.loader-text {
  font-size: 13px; font-weight: 700; color: var(--accent);
  letter-spacing: 0.2em; text-transform: uppercase;
  font-family: var(--mono);
  animation: blink 1.2s step-end infinite;
}
.loader-sub {
  font-size: 10px; color: var(--text-dim); letter-spacing: 0.12em;
  font-family: var(--mono);
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ─── Map overrides ────────────────────────────────────────────────────────── */
.leaflet-container { background: #0a0a12 !important; }
.leaflet-control-zoom a {
  background: var(--panel) !important; color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a:hover {
  background: var(--panel2) !important; color: var(--text-hi) !important;
}
.leaflet-bar {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
}
.leaflet-popup-content-wrapper {
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--border2); border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.leaflet-popup-tip { background: var(--panel2); }
.leaflet-popup-content { font-family: var(--font); font-size: 12px; }

/* ─── Popup styles ────────────────────────────────────────────────────────── */
.popup-title {
  font-weight: 700; color: var(--text-hi); margin-bottom: 8px;
  font-size: 13px;
}
.popup-row {
  display: flex; justify-content: space-between; gap: 12px;
  margin-bottom: 3px; font-size: 11px;
}
.popup-key { color: var(--text-dim); }
.popup-val { color: var(--text-hi); text-align: right; font-family: var(--mono); font-size: 11px; }
.popup-divider {
  height: 1px; background: var(--border); margin: 8px 0;
}

/* ─── Run scenarios button ─────────────────────────────────────────────────── */
.run-btn {
  width: 100%; padding: 8px 12px; border: 1px solid var(--green-dim);
  background: transparent; color: var(--green); border-radius: var(--radius);
  font-family: var(--font); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: background 0.15s, border-color 0.15s;
}
.run-btn:hover:not(:disabled) { background: var(--green-dim); border-color: var(--green); }
.run-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.run-progress-label {
  font-size: 11px; color: var(--text); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-section.collapsed .run-control { display: none; }

/* ─── Info icon & tooltip ──────────────────────────────────────────────────── */
.info-icon {
  display: inline-block; cursor: help;
  font-size: 13px; color: var(--text-dim);
  margin-left: 4px; position: relative;
  vertical-align: middle; transition: color 0.15s;
}
.info-icon:hover { color: var(--accent); }

.info-icon .tooltip {
  display: none; position: absolute;
  bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  width: 240px; padding: 10px 12px;
  background: var(--panel2); border: 1px solid var(--border2);
  border-radius: var(--radius); color: var(--text);
  font-size: 11px; line-height: 1.5;
  text-transform: none; letter-spacing: 0;
  white-space: pre-wrap; z-index: 1000;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  pointer-events: none;
}
.info-icon:hover .tooltip,
.info-icon.active .tooltip { display: block; }

.source-badge.npcc-dep {
  background: rgba(240,160,48,0.1);
  border: 1px solid rgba(240,160,48,0.3);
  color: var(--gold);
}
.source-badge.unavailable {
  background: rgba(230,48,48,0.12);
  border: 1px solid rgba(230,48,48,0.4);
  color: #ff6b6b;
}

select option:disabled {
  color: var(--text-dim); opacity: 0.5;
}

/* ─── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }