/* ─────────────────────────────────────────────
   GeoCAD Bridge · Field Visit Survey
   Professional dark UI
   ───────────────────────────────────────────── */
:root {
  --bg:        #0a1520;
  --surface:   #10202f;
  --surface2:  #152636;
  --border:    #1d3448;
  --border2:   #254055;
  --text:      #d8eaf5;
  --text2:     #7ea8c0;
  --text3:     #4a7a94;
  --accent:    #10b981;
  --accent2:   #0ea5e9;
  --warn:      #f59e0b;
  --danger:    #ef4444;
  --success:   #10b981;

  --appbar-h:  58px;
  --toolbar-h: 46px;
  --left-w:    270px;
  --right-w:   290px;
  --bottom-h:  260px;

  font-size: 13px;
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
}

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

html, body {
  background: var(--bg);
  height: 100%;
  overflow: hidden;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

/* ══════════════════════════════════════════
   APP BAR
══════════════════════════════════════════ */
.fs-appbar {
  height: var(--appbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
}

.fs-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.fs-brand-img { height: 28px; }
.fs-brand-name { font-size: 14px; white-space: nowrap; }
.fs-brand-name b { color: var(--accent); }

.fs-appbar-title {
  flex: 1;
  min-width: 0;
}
.fs-appbar-title h1 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}
.fs-appbar-title p {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fs-appbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.fs-project-select {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
}
.fs-project-select svg { width: 14px; height: 14px; color: var(--text2); flex-shrink: 0; }
.fs-project-select select {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

.fs-online-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 25%, transparent);
  border-radius: 20px;
  padding: 2px 8px;
}

.fs-icon-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: background .15s, color .15s;
}
.fs-icon-btn svg { width: 15px; height: 15px; }
.fs-icon-btn:hover { background: var(--surface2); color: var(--text); }

/* ══════════════════════════════════════════
   TOP TOOLBAR
══════════════════════════════════════════ */
.fs-toolbar {
  height: var(--toolbar-h);
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  position: fixed;
  inset-inline: 0;
  top: var(--appbar-h);
  z-index: 99;
  overflow-x: auto;
}
.fs-toolbar::-webkit-scrollbar { height: 0; }

.fs-tool-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.fs-tool-btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.fs-tool-btn:hover { background: var(--border); color: var(--text); }
.fs-tool-btn.active { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }

.fs-toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════
   WORKSPACE
══════════════════════════════════════════ */
.fs-workspace {
  display: grid;
  grid-template-columns: var(--left-w) 1fr var(--right-w);
  grid-template-rows: 1fr;
  height: calc(100vh - var(--appbar-h) - var(--toolbar-h));
  margin-top: calc(var(--appbar-h) + var(--toolbar-h));
  overflow: hidden;
}

/* ══════════════════════════════════════════
   LEFT PANEL – Visit Details
══════════════════════════════════════════ */
.fs-left-panel {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.fs-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.fs-record-head { color: var(--accent); }
.fs-record-head svg { width: 13px; height: 13px; }

.fs-collapse-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 10px;
  padding: 0;
}

.fs-visit-details {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ─── Form fields ─── */
.fs-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.fs-field > span {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text2);
}
.fs-field.fs-sm > span { font-size: 10px; }

.fs-input, .fs-select, .fs-textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 12px;
  padding: 5px 8px;
  outline: none;
  width: 100%;
  transition: border-color .15s;
}
.fs-input:focus, .fs-select:focus, .fs-textarea:focus {
  border-color: var(--accent2);
}
.fs-input[readonly] { color: var(--text2); cursor: not-allowed; }
.fs-textarea { resize: vertical; font-family: inherit; }
.fs-select { appearance: none; cursor: pointer; }

/* GPS warning */
.fs-gps-warning {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 7px 9px;
  background: color-mix(in srgb, var(--warn) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 25%, transparent);
  border-radius: 5px;
  font-size: 11px;
  color: var(--warn);
  line-height: 1.4;
}
.fs-gps-warning svg { width: 13px; height: 13px; flex-shrink: 0; margin-top: 1px; }

/* Location buttons */
.fs-location-btns {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.fs-loc-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  transition: background .15s, border-color .15s;
}
.fs-loc-btn svg { width: 13px; height: 13px; flex-shrink: 0; }
.fs-loc-btn:hover { background: var(--border); }
.fs-loc-btn.fs-loc-primary {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent);
}
.fs-loc-btn.fs-loc-primary:hover { background: color-mix(in srgb, var(--accent) 22%, transparent); }

/* Coord inputs grid */
.fs-coord-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

/* ══════════════════════════════════════════
   CENTER PANEL
══════════════════════════════════════════ */
.fs-center-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Map toolbar */
.fs-map-toolbar {
  height: 38px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  flex-shrink: 0;
  overflow: hidden;
}
.fs-map-tool-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface2);
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.fs-map-tool-btn svg { width: 12px; height: 12px; flex-shrink: 0; }
.fs-map-tool-btn:hover { background: var(--border); color: var(--text); }

.fs-map-toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.fs-search-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 8px;
}
.fs-search-bar svg { width: 12px; height: 12px; color: var(--text3); flex-shrink: 0; }
.fs-search-bar input {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 11px;
  width: 160px;
  outline: none;
}
.fs-search-bar input::placeholder { color: var(--text3); }

.fs-coord-display {
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--text2);
  letter-spacing: .03em;
}
.fs-north-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent2) 25%, transparent);
  border-radius: 4px;
  padding: 2px 7px;
}

/* Map */
.fs-map-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.fs-map {
  width: 100%;
  height: 100%;
  background: var(--bg);
}
.fs-local-plot {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}
.fs-local-plot svg { width: 100%; height: 100%; }

/* Map overlay controls */
.fs-map-controls {
  position: absolute;
  bottom: 8px;
  left: 8px;
  z-index: 20;
}
.fs-basemap-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  backdrop-filter: blur(4px);
}
.fs-map-ctrl-label { font-size: 10px; color: var(--text2); }
.fs-map-ctrl-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 11px;
  padding: 3px 6px;
  outline: none;
}
.fs-ref-layers, .fs-ref-preview { display: none; }

/* Bottom area */
.fs-bottom-area {
  height: var(--bottom-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

/* Tabs */
.fs-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
}
.fs-tabs::-webkit-scrollbar { height: 0; }
.fs-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
  white-space: nowrap;
}
.fs-tab:hover { color: var(--text); }
.fs-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.fs-tab-count {
  font-size: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 6px;
  font-variant-numeric: tabular-nums;
}
.fs-tab.active .fs-tab-count {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent);
}

/* Tab panels */
.fs-tab-panel { display: none; flex: 1; overflow: hidden; flex-direction: column; }
.fs-tab-panel.active { display: flex; }

.fs-empty {
  padding: 20px;
  color: var(--text3);
  font-size: 12px;
  text-align: center;
}

/* Table toolbar */
.fs-table-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.fs-search-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 11px;
  padding: 4px 8px;
  width: 160px;
  outline: none;
}
.fs-search-input::placeholder { color: var(--text3); }
.fs-filter-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 11px;
  padding: 4px 8px;
  outline: none;
}
.fs-table-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface2);
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.fs-table-btn svg { width: 12px; height: 12px; flex-shrink: 0; }
.fs-table-btn:hover { background: var(--border); color: var(--text); }

.fs-table-wrap {
  flex: 1;
  overflow: auto;
}
.fs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.fs-table th {
  padding: 7px 10px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text2);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  white-space: nowrap;
}
.fs-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.fs-table tbody tr:hover td { background: var(--surface2); }

.fs-table-footer {
  padding: 6px 10px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.fs-btn-add {
  color: var(--accent2);
  border-color: color-mix(in srgb, var(--accent2) 30%, transparent);
  background: color-mix(in srgb, var(--accent2) 8%, transparent);
}
.fs-btn-add:hover { background: color-mix(in srgb, var(--accent2) 15%, transparent); }

/* ══════════════════════════════════════════
   RIGHT PANEL – Record Form
══════════════════════════════════════════ */
.fs-right-panel {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.fs-record-form {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.fs-record-section {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.fs-record-section-head {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text2);
  margin-bottom: 8px;
}

/* Location grid */
.fs-location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.fs-kv {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.fs-kv span {
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.fs-kv strong {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.fs-kv small {
  font-size: 9px;
  color: var(--text3);
  font-weight: 400;
}

/* Category chips */
.fs-category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.fs-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border: 1px solid var(--border2);
  border-radius: 20px;
  background: transparent;
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
}
.fs-chip:hover { border-color: var(--text2); color: var(--text); }
.fs-chip.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}
.fs-chip-icon { font-size: 11px; }
.fs-chip-blue { color: var(--accent2); }
.fs-chip-red  { color: var(--danger); }
.fs-chip-purple { color: #a78bfa; }
.fs-chip-yellow { color: var(--warn); }
.fs-chip-gray { color: var(--text2); }

/* Photos */
.fs-photo-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}
.fs-photo-thumb {
  width: 52px;
  height: 52px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--border);
}
.fs-photo-actions {
  display: flex;
  gap: 5px;
}
.fs-photo-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 6px;
  border: 1px solid var(--border2);
  border-radius: 5px;
  background: var(--surface2);
  color: var(--text2);
  font-size: 10px;
  cursor: pointer;
  text-align: center;
  transition: background .15s, color .15s;
}
.fs-photo-btn svg { width: 12px; height: 12px; flex-shrink: 0; }
.fs-photo-btn:hover { background: var(--border); color: var(--text); }

/* Record actions */
.fs-record-actions {
  margin-top: auto;
  border-bottom: none;
}
.fs-checkbox-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text2);
}
.fs-checkbox-row input { accent-color: var(--accent); }

.fs-save-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px;
  border: none;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}
.fs-save-btn svg { width: 15px; height: 15px; }
.fs-save-btn:hover { opacity: .88; }

/* Primary button */
.fs-primary-btn {
  padding: 7px 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}
.fs-primary-btn:hover { opacity: .88; }

/* ══════════════════════════════════════════
   STATUS BADGES
══════════════════════════════════════════ */
.fs-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
}
.fs-badge-ok     { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.fs-badge-review { background: color-mix(in srgb, var(--warn) 15%, transparent);    color: var(--warn); }
.fs-badge-issue  { background: color-mix(in srgb, var(--danger) 15%, transparent);  color: var(--danger); }

/* ══════════════════════════════════════════
   COMPARISON TAB
══════════════════════════════════════════ */
#comparison-result {
  font-size: 12px;
  color: var(--text);
}
#comparison-result table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
#comparison-result th {
  padding: 6px 10px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text2);
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
#comparison-result td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

/* ══════════════════════════════════════════
   LEAFLET OVERRIDES
══════════════════════════════════════════ */
.leaflet-container { background: var(--surface) !important; }
.leaflet-bar a {
  background: var(--surface2) !important;
  color: var(--text) !important;
  border-bottom-color: var(--border) !important;
}
.leaflet-bar a:hover { background: var(--border) !important; }
.leaflet-popup-content-wrapper {
  background: var(--surface2) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,.4) !important;
  border-radius: 6px !important;
}
.leaflet-popup-tip { background: var(--surface2) !important; }
.leaflet-control-attribution {
  background: color-mix(in srgb, var(--surface) 85%, transparent) !important;
  color: var(--text3) !important;
  font-size: 9px !important;
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 900px) {
  :root {
    --left-w: 220px;
    --right-w: 0px;
  }
  .fs-right-panel { display: none; }
  .fs-workspace { grid-template-columns: var(--left-w) 1fr; }
}
@media (max-width: 640px) {
  .fs-workspace { grid-template-columns: 1fr; }
  .fs-left-panel { display: none; }
  .fs-toolbar { flex-wrap: nowrap; }
}