* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--ui-bg);
  color: var(--ui-text);
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  user-select: none;
}

#app {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-rows: 42px 1fr;
}

#topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: var(--ui-panel);
  border-bottom: 1px solid var(--ui-border);
}
#topbar .brand {
  font-weight: 700;
  color: var(--ui-accent);
  font-family: "Consolas", monospace;
  letter-spacing: 0.5px;
}
#map-name {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--ui-text);
  font-size: 13px;
  padding: 4px 8px;
  width: 200px;
}
#map-name:hover { border-color: var(--ui-border); }
#map-name:focus { border-color: var(--ui-accent); outline: none; background: var(--ui-panel-2); }
#topbar .spacer { flex: 1; }

.tbtn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: var(--ui-panel-2);
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  color: var(--ui-text);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}
.tbtn:hover { border-color: var(--ui-accent); }
.tbtn:disabled { opacity: 0.4; cursor: default; }
.tbtn:disabled:hover { border-color: var(--ui-border); }

#status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ui-text-dim);
  padding-left: 6px;
}
#status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ui-text-dim); }
#status.cloud .dot { background: var(--ui-ok); box-shadow: 0 0 5px var(--ui-ok); }
#status.local .dot { background: var(--ui-accent); }
#status.offline .dot { background: var(--ui-danger); }

#body {
  display: grid;
  grid-template-columns: 52px 1fr 250px;
  min-height: 0;
}

#rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  background: var(--ui-panel);
  border-right: 1px solid var(--ui-border);
}
.rbtn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--ui-text-dim);
  cursor: pointer;
}
.rbtn:hover { color: var(--ui-text); border-color: var(--ui-border); }
.rbtn.active { background: var(--ui-accent); color: var(--ui-accent-text); }
.rbtn svg { width: 20px; height: 20px; }
.rbtn .k {
  position: absolute;
  font-size: 8px;
  transform: translate(13px, 13px);
  opacity: 0.7;
}
#rail .sep { width: 26px; height: 1px; background: var(--ui-border); margin: 4px 0; }

#stage { position: relative; overflow: hidden; min-width: 0; }

#map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: var(--canvas);
  cursor: default;
  touch-action: none;
}
#map.panning { cursor: grabbing; }
#map.draw { cursor: crosshair; }

#hint {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  padding: 5px 12px;
  background: color-mix(in srgb, var(--ui-panel) 92%, transparent);
  border: 1px solid var(--ui-border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--ui-text-dim);
  pointer-events: none;
  white-space: nowrap;
}
#hint:empty { display: none; }

#panel {
  background: var(--ui-panel);
  border-left: 1px solid var(--ui-border);
  overflow-y: auto;
  padding: 10px;
}
#panel h3 {
  margin: 14px 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ui-text-dim);
}
#panel h3:first-child { margin-top: 2px; }
.field { margin-bottom: 8px; }
.field label { display: block; font-size: 11px; color: var(--ui-text-dim); margin-bottom: 3px; }
.field input[type="text"], .field select {
  width: 100%;
  background: var(--ui-panel-2);
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  color: var(--ui-text);
  padding: 5px 8px;
  font-size: 12px;
}
.field input:focus, .field select:focus { border-color: var(--ui-accent); outline: none; }
.field input[type="range"] { width: 100%; accent-color: var(--ui-accent); }
.field .row { display: flex; gap: 6px; align-items: center; }
.check { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; font-size: 12px; cursor: pointer; }
.check input { accent-color: var(--ui-accent); }

.palette { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.pal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 7px 2px 5px;
  background: var(--ui-panel-2);
  border: 1px solid var(--ui-border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 9.5px;
  color: var(--ui-text-dim);
  text-align: center;
}
.pal:hover { border-color: var(--ui-accent); color: var(--ui-text); }
.pal.active { border-color: var(--ui-accent); background: #2a2416; color: var(--ui-text); }
.pal svg { width: 18px; height: 18px; }

.classpick { display: flex; gap: 5px; flex-wrap: wrap; }
.classpick .tbtn.active { background: var(--ui-accent); color: var(--ui-accent-text); border-color: var(--ui-accent); }

.danger { color: var(--ui-danger); border-color: color-mix(in srgb, var(--ui-danger) 40%, var(--ui-border)); }

#modal-back {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: grid;
  place-items: center;
  z-index: 50;
}
#modal {
  width: 320px;
  background: var(--ui-panel);
  border: 1px solid var(--ui-border);
  border-radius: 10px;
  padding: 18px;
}
#modal h2 { margin: 0 0 6px; font-size: 15px; }
#modal p { margin: 0 0 12px; color: var(--ui-text-dim); font-size: 12px; line-height: 1.5; }
#modal input {
  width: 100%;
  background: var(--ui-panel-2);
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  color: var(--ui-text);
  padding: 7px 9px;
  margin-bottom: 12px;
}
#modal .row { display: flex; gap: 8px; justify-content: flex-end; }

#board-rect { fill: var(--board); stroke: var(--board-edge); stroke-width: 1.2; }
.pad-ring { fill: var(--pad-ring); }
.pad-hole { fill: var(--pad-hole); }

.road-label {
  fill: var(--silk);
  font-family: "Consolas", "Courier New", monospace;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
}
.zone-label, .bld-label, .mk-label {
  fill: var(--silk-dim);
  font-family: "Consolas", "Courier New", monospace;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-anchor: middle;
  pointer-events: none;
}
.mk-label { fill: var(--silk); }