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

:root {
  --bg-dark: #1a1a2e;
  --bg-panel: #16213e;
  --bg-input: #0f3460;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --text: #eaeaea;
  --text-muted: #8a8a9a;
  --border: #2a2a4a;
  --success: #2ecc71;
  --warning: #f39c12;
  --radius: 6px;
  --toolbar-h: 48px;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  overflow: hidden;
}

button {
  cursor: pointer;
  border: none;
  background: var(--bg-input);
  color: var(--text);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  transition: background 0.15s;
}
button:hover { background: var(--accent); }

input, select, textarea {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 13px;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}

/* ── Toolbar ──────────────────────────────────── */
#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--toolbar-h);
  padding: 0 12px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  position: relative;
}

.toolbar-left .logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  letter-spacing: 1px;
}

.toolbar-center {
  display: flex;
  gap: 4px;
}
#geocoder-input {
  width: 320px;
}
#geocoder-btn {
  padding: 6px 10px;
  font-size: 15px;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.toolbar-right .separator {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

/* ── Main Layout ──────────────────────────────── */
#app {
  display: flex;
}

/* ── Layer Panel (Left Sidebar) ───────────────── */
#layer-panel {
  width: 240px;
  min-width: 240px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.panel-header h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
.panel-header button {
  padding: 2px 10px;
  font-size: 16px;
  line-height: 1;
}

#layer-list {
  list-style: none;
  padding: 6px 0;
}
#layer-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.1s;
}
#layer-list li:hover {
  background: rgba(255,255,255,0.04);
}
#layer-list li.active {
  background: rgba(233, 69, 96, 0.12);
  border-left-color: var(--accent);
}

.layer-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.layer-name {
  flex: 1;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-visibility {
  background: none;
  padding: 2px 4px;
  font-size: 16px;
  opacity: 0.7;
  flex-shrink: 0;
}
.layer-visibility:hover {
  opacity: 1;
  background: none;
}
.layer-visibility.hidden-layer {
  opacity: 0.3;
}

.layer-delete {
  background: none;
  padding: 2px 6px;
  font-size: 14px;
  opacity: 0;
  flex-shrink: 0;
}
#layer-list li:hover .layer-delete {
  opacity: 0.5;
}
.layer-delete:hover {
  opacity: 1 !important;
  color: var(--accent);
  background: none;
}

/* ── Data Sources Panel ───────────────────────── */
.data-header {
  margin-top: 4px;
  border-top: 1px solid var(--border);
}

#data-source-list {
  list-style: none;
  padding: 4px 0;
}

#data-source-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 13px;
  transition: background 0.1s;
}
#data-source-list li:hover {
  background: rgba(255,255,255,0.04);
}

.ds-toggle {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.ds-color {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.ds-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}

.ds-status {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 24px;
  text-align: right;
}

.ds-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ds-spin 0.6s linear infinite;
}

@keyframes ds-spin {
  to { transform: rotate(360deg); }
}

.ds-error {
  color: var(--accent);
  font-size: 11px;
}

.ds-category {
  padding: 6px 12px 2px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ── Data popup styling ──────────────────────── */
.data-popup .leaflet-popup-content-wrapper {
  background: var(--bg-panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.data-popup .leaflet-popup-tip {
  background: var(--bg-panel);
  border: 1px solid var(--border);
}
.data-popup .leaflet-popup-close-button {
  color: var(--text-muted);
}
.data-popup-content {
  font-size: 12px;
  max-height: 200px;
  overflow-y: auto;
}
.data-popup-content table {
  width: 100%;
  border-collapse: collapse;
}
.data-popup-content td {
  padding: 2px 6px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  word-break: break-word;
}
.data-popup-content td:first-child {
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
  width: 40%;
}

/* ── Map ──────────────────────────────────────── */
#map {
  flex: 1;
  z-index: 1;
}

/* Override Leaflet controls for dark theme */
.leaflet-control-layers,
.leaflet-control-zoom a,
.leaflet-bar a {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-layers-expanded {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
}
.leaflet-control-layers label {
  color: var(--text);
}

/* Dark tile loading background */
.leaflet-container {
  background: #0d1117;
}

/* ── Properties Panel (Right Sidebar) ─────────── */
#props-panel {
  width: 280px;
  min-width: 280px;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: margin-right 0.2s;
}
#props-panel.collapsed {
  margin-right: -280px;
}

#props-content {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hint {
  color: var(--text-muted);
  font-size: 13px;
  font-style: italic;
  text-align: center;
  padding: 20px 0;
}

.prop-group label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.prop-group input,
.prop-group select,
.prop-group textarea {
  width: 100%;
}

.prop-group textarea {
  resize: vertical;
  min-height: 60px;
}

.prop-measurement {
  font-size: 13px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
}
.prop-measurement span {
  color: var(--accent);
  font-weight: 600;
}

#btn-delete-shape {
  background: #c0392b;
  margin-top: 8px;
}
#btn-delete-shape:hover {
  background: #e74c3c;
}

/* ── Modal ────────────────────────────────────── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
#modal-overlay.hidden { display: none; }

#modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 380px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  font-size: 15px;
}
#modal-body {
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-input);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.1s;
}
.project-item:hover {
  background: var(--accent);
}
.project-item .project-delete {
  background: transparent;
  padding: 2px 8px;
  opacity: 0.5;
}
.project-item .project-delete:hover {
  opacity: 1;
  background: #c0392b;
}

@keyframes fadeout {
  to { opacity: 0; }
}

/* ── Measure Tooltip ──────────────────────────── */
#measure-tooltip {
  position: fixed;
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  pointer-events: none;
  z-index: 1500;
  white-space: nowrap;
}
#measure-tooltip.hidden { display: none; }

/* ── Measurement label on map ─────────────────── */
.measure-label {
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
  border: none;
  box-shadow: none;
}

/* ── Active measure button ────────────────────── */
#btn-measure.active {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-hover);
}

/* ── Geoman toolbar dark overrides ────────────── */
.leaflet-pm-toolbar .leaflet-pm-icon-delete,
.leaflet-pm-toolbar .leaflet-pm-icon-edit {
  filter: invert(0.85);
}

/* ── Status Bar ───────────────────────────────── */
#status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 26px;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 14px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  font-family: 'Consolas', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 11px;
  color: var(--text-muted);
  z-index: 1000;
  user-select: none;
}

#status-bar span {
  white-space: nowrap;
}

.status-sep {
  margin: 0 10px;
  opacity: 0.3;
}

/* ── Dimension Labels ────────────────────────── */
.dimension-label {
  background: rgba(233, 69, 96, 0.85);
  color: #fff;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  border: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.dimension-editable {
  cursor: pointer;
  border-bottom: 1px dashed rgba(255,255,255,0.5);
}

.dimension-editable:hover {
  background: rgba(233, 69, 96, 1);
  box-shadow: 0 0 6px rgba(233, 69, 96, 0.6);
}

.dimension-constrained {
  background: rgba(46, 204, 113, 0.85);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.3);
}

.dimension-constrained:hover {
  background: rgba(46, 204, 113, 1);
  box-shadow: 0 0 6px rgba(46, 204, 113, 0.6);
}

.dimension-angle {
  background: rgba(46, 204, 113, 0.85);
  color: #fff;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  border: none;
}

.dimension-live {
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
  line-height: 1.4;
}

/* ── Elevation Labels ────────────────────────── */
.elevation-label {
  background: rgba(121, 85, 72, 0.85);
  color: #fff;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  border: none;
}

/* ── Contour Labels ──────────────────────────── */
.contour-label {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  color: #8D6E63;
  font-size: 9px;
  font-weight: 600;
  text-shadow: 0 0 3px rgba(0,0,0,0.8);
}

/* ── Infrastructure Point Icons ──────────────── */
.infra-point-icon {
  background: none;
  border: none;
  text-align: center;
  line-height: 18px;
}

/* ── Conflict Markers ────────────────────────── */
.conflict-marker {
  background: rgba(192, 57, 43, 0.9);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  text-align: center;
  line-height: 20px;
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(192, 57, 43, 0.7);
}

/* ── Discovery Panel ─────────────────────────── */
#discovery-panel {
  border-top: 1px solid var(--border);
}

#discovery-panel.hidden { display: none; }

#discovery-list {
  list-style: none;
  padding: 4px 0;
}

#discovery-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12px;
}

.discovery-terrain {
  background: rgba(121, 85, 72, 0.1);
  padding: 6px 12px;
  font-size: 12px;
}

.discovery-count {
  font-size: 10px;
  color: var(--text-muted);
  min-width: 20px;
  text-align: right;
}

.discovery-dist {
  font-size: 10px;
  color: var(--text-muted);
  min-width: 40px;
  text-align: right;
}

.discovery-score {
  width: 40px;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.score-bar {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s;
}

/* ── Proximity Section (Properties Panel) ────── */
.proximity-section,
.elevation-section {
  padding: 8px 0;
}

.proximity-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.proximity-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  font-size: 12px;
}

.proximity-name {
  color: var(--text);
}

.proximity-dist {
  color: var(--accent);
  font-weight: 600;
  font-size: 11px;
}

/* ── Toolbar button active state ─────────────── */
#btn-grid.active,
#btn-snap.active {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-hover);
}

/* ── Adjust main layout for status bar + agent panel ── */
#app {
  height: calc(100vh - var(--toolbar-h) - 26px);
}

/* ── Agent Panel ─────────────────────────────── */
#agent-panel {
  position: fixed;
  bottom: 26px;
  right: 12px;
  width: 380px;
  max-height: 420px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px 8px 0 0;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  transition: max-height 0.2s ease;
}

#agent-panel.agent-collapsed {
  max-height: 36px;
  overflow: hidden;
}

#agent-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
}

.agent-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text);
  flex: 1;
}

.agent-dot-connected,
.agent-dot-disconnected {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.agent-dot-connected { background: var(--success); box-shadow: 0 0 4px var(--success); }
.agent-dot-disconnected { background: var(--accent); opacity: 0.6; }

.agent-badge {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.agent-badge.hidden { display: none; }

#btn-toggle-agent {
  background: none;
  padding: 2px 6px;
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1;
}
#btn-toggle-agent:hover {
  color: var(--text);
  background: none;
}

#agent-panel-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

#agent-log {
  list-style: none;
  padding: 8px 12px;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.agent-entry {
  font-size: 12px;
  line-height: 1.5;
  padding: 4px 8px;
  border-radius: 4px;
  word-break: break-word;
}

.agent-entry-user {
  background: rgba(15, 52, 96, 0.6);
  align-self: flex-end;
  max-width: 85%;
}

.agent-entry-agent {
  background: rgba(233, 69, 96, 0.12);
  align-self: flex-start;
  max-width: 85%;
}

.agent-entry-action {
  background: rgba(46, 204, 113, 0.1);
  align-self: flex-start;
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--text-muted);
  max-width: 100%;
}

.agent-time {
  color: var(--text-muted);
  font-size: 10px;
  margin-right: 6px;
  font-family: 'Consolas', 'Fira Code', monospace;
}

.agent-prefix {
  font-weight: 600;
  margin-right: 4px;
  color: var(--accent);
}

.agent-entry-user .agent-prefix { color: var(--text); }
.agent-entry-action .agent-prefix { color: var(--success); }

.agent-entity-ref {
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 10px;
  color: var(--text-muted);
  opacity: 0.7;
}

#agent-input-row {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

#agent-input {
  flex: 1;
  font-size: 12px;
  padding: 6px 10px;
}

#agent-send {
  padding: 6px 14px;
  font-size: 12px;
  background: var(--accent);
  color: #fff;
}
#agent-send:hover {
  background: var(--accent-hover);
}

/* ── Scrollbar ────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }