:root {
  --bg: #0d1210;
  --panel: #131a17;
  --panel-edge: #22302a;
  --ink: #e8f0ea;
  --ink-dim: #8fa398;
  --accent: #4ade80;
  --accent-dim: #1d3b2a;
  --warn: #f59e0b;
  --err: #f87171;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --display: "Clash Display", "Space Grotesk", system-ui, sans-serif;
}

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

[hidden] { display: none !important; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  overflow: hidden;
}

body { display: flex; }

/* ---------- Panel lateral ---------- */
#panel {
  width: 320px;
  min-width: 320px;
  height: 100vh;
  overflow-y: auto;
  background:
    linear-gradient(rgba(74, 222, 128, 0.025) 1px, transparent 1px) 0 0 / 100% 28px,
    var(--panel);
  border-right: 1px solid var(--panel-edge);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#panel header h1 {
  font-size: 26px;
  letter-spacing: 0.06em;
  font-weight: 700;
}
#panel header h1 span { color: var(--accent); }
.tagline { color: var(--ink-dim); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; margin-top: 2px; }

.block {
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(255, 255, 255, 0.015);
}
.block h2 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field span, .slider span { font-size: 12px; color: var(--ink-dim); }
.field a { color: var(--accent); text-decoration: none; }
.field a:hover { text-decoration: underline; }

input[type="password"], input[type="text"], select {
  background: var(--bg);
  border: 1px solid var(--panel-edge);
  border-radius: 6px;
  color: var(--ink);
  padding: 9px 10px;
  font-family: var(--mono);
  font-size: 12px;
  width: 100%;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }

.hint { font-size: 12px; color: var(--ink-dim); line-height: 1.4; }

.coords {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.coords div {
  background: var(--bg);
  border: 1px solid var(--panel-edge);
  border-radius: 6px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
}
.coords span { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-dim); }
.coords b { font-family: var(--mono); font-size: 12px; font-weight: 500; }

.mesh-est { font-size: 11px; color: var(--warn); font-family: var(--mono); min-height: 14px; }

button {
  background: var(--accent);
  color: #08130c;
  border: none;
  border-radius: 7px;
  padding: 11px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease;
}
button:hover:not(:disabled) { filter: brightness(1.12); }
button.active { background: var(--warn); color: #1a1206; }
button.recording { background: var(--err); color: #1a0606; }
button:active:not(:disabled) { transform: scale(0.98); }
button:disabled { background: var(--accent-dim); color: var(--ink-dim); cursor: not-allowed; }

.status { font-size: 12px; font-family: var(--mono); min-height: 16px; line-height: 1.4; }
.status.err { color: var(--err); }
.status.ok { color: var(--accent); }
.status.busy { color: var(--warn); }

.slider { display: flex; flex-direction: column; gap: 6px; }
.slider span { display: flex; justify-content: space-between; }
.slider b { color: var(--accent); font-family: var(--mono); font-weight: 500; }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-dim); cursor: pointer; }
.check input { accent-color: var(--accent); }

#terrainInfo {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
  line-height: 1.7;
  border-top: 1px solid var(--panel-edge);
  padding-top: 12px;
  white-space: pre-line;
}

/* ---------- Scrollbars finas personalizadas ---------- */
#panel {
  scrollbar-width: thin;
  scrollbar-color: var(--panel-edge) transparent;
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--panel-edge);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
::-webkit-scrollbar-corner { background: transparent; }

/* ---------- Sliders finos ---------- */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 2px;
  background: var(--panel-edge);
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
  transition: transform 0.1s ease;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.25); }
input[type="range"]::-moz-range-thumb {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
}
input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: var(--panel-edge);
}

/* ---------- Zona principal: mapa y 3D lado a lado, 50/50 fijo ---------- */
main { flex: 1; display: flex; flex-direction: row; height: 100vh; }

#map {
  width: 50%;
  height: auto;
  min-width: 240px;
  border-right: 1px solid var(--panel-edge);
}

#view3d { flex: 1; position: relative; background: radial-gradient(ellipse at 50% 30%, #141c18 0%, var(--bg) 70%); }
#view3d canvas { display: block; }

#empty3d {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-dim);
  font-size: 14px;
  letter-spacing: 0.08em;
  pointer-events: none;
}

/* ---------- Dropzone fichero local ---------- */
#dropzone {
  border: 2px dashed var(--panel-edge);
  border-radius: 10px;
  padding: 22px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
#dropzone p { font-size: 13px; }
#dropzone .dz-sub { color: var(--ink-dim); font-size: 11px; margin-top: 4px; }
#dropzone:hover, #dropzone.dragover {
  border-color: var(--accent);
  background: rgba(74, 222, 128, 0.06);
}
#localField { display: flex; flex-direction: column; gap: 10px; }
#localField[hidden] { display: none; }

/* ---------- Handles de edición del rectángulo ---------- */
.rect-handle {
  background: #ffffff;
  border: 2px solid var(--accent);
  border-radius: 3px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.75);
  transition: transform 0.1s ease, background-color 0.1s ease;
  pointer-events: auto;
}
.rect-handle:hover {
  transform: scale(1.25);
  background: var(--accent);
  border-color: #ffffff;
  z-index: 1200 !important;
}
.rect-handle.edge-ns {
  background: var(--accent);
  border: 1.5px solid #ffffff;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
}
.rect-handle.edge-ew {
  background: var(--accent);
  border: 1.5px solid #ffffff;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
}

.cursor-ns { cursor: ns-resize !important; }
.cursor-ew { cursor: ew-resize !important; }
.cursor-nwse { cursor: nwse-resize !important; }
.cursor-nesw { cursor: nesw-resize !important; }
.cursor-move { cursor: move !important; }

/* Bordes interactivos del rectángulo */
.rect-edge-drag {
  stroke-opacity: 0;
  transition: stroke-opacity 0.15s ease;
}
.rect-edge-drag:hover {
  stroke-opacity: 0.6;
}

/* Cuerpo del rectángulo seleccionable */
.rect-draggable-body {
  cursor: move !important;
}

/* ---------- Resultados de búsqueda ---------- */
#searchResults {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.search-hit {
  background: var(--bg);
  border: 1px solid var(--panel-edge);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.12s ease;
}
.search-hit:hover { border-color: var(--accent); }
.search-hit b { display: block; font-weight: 600; }
.search-hit span { color: var(--ink-dim); font-size: 11px; }

/* Leaflet sobre tema oscuro */
.leaflet-container { background: #0a0e0c; font-family: var(--display); }
.leaflet-bar a { background: var(--panel); color: var(--ink); border-color: var(--panel-edge); }
.leaflet-draw-toolbar a { background-color: var(--panel); }