:root {
  --bg: #0b100d;
  --bg-2: #121a15;
  --bg-3: #18221b;
  --panel: #101710;
  --line: #243328;
  --text: #d7eadb;
  --muted: #7f9a86;
  --green: #33ff66;
  --green-dim: #1a8a3a;
  --amber: #e6c35c;
  --cyan: #7ecbff;
  --danger: #ff6b6b;
  --accent: #2f6b45;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

.app {
  display: grid;
  grid-template-rows: 48px 1fr 26px;
  height: 100%;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: linear-gradient(#162018, #101710);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-right: 8px;
  min-width: 170px;
}
.brand strong {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--green);
  font-weight: 650;
}
.brand span { color: var(--muted); font-size: 11px; letter-spacing: 0.12em; }

.btn, .tool {
  appearance: none;
  border: 1px solid #2c4334;
  background: #162018;
  color: var(--text);
  font: 12.5px/1 var(--font);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
}
.btn:hover, .tool:hover { border-color: #3d6a4c; background: #1c2a20; }
.btn.primary { background: #1d4a2e; border-color: #2f7a4a; color: #d9ffe4; }
.btn.ghost { background: transparent; }
.tool.active { background: #1f5a35; border-color: var(--green); color: var(--green); }
.sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
.grow { flex: 1; }

.workspace {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr) 300px;
  min-height: 0;
}

.side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  overflow: auto;
  min-height: 0;
}
.side.right { border-right: 0; border-left: 1px solid var(--line); }

.section {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px 12px;
}
.section h2 {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.row { display: grid; grid-template-columns: 78px 1fr; gap: 6px; align-items: center; margin-bottom: 6px; }
.row.full { grid-template-columns: 1fr; }
.row label { font-size: 12px; color: #9fb8a5; }
input, select, textarea {
  width: 100%;
  background: #0c140f;
  color: var(--text);
  border: 1px solid #2a3d30;
  border-radius: 3px;
  padding: 5px 7px;
  font: 12.5px var(--mono);
}
textarea { resize: vertical; min-height: 64px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 12px; font-size: 12px; color: #b7d0be; }
.checks label { display: flex; gap: 6px; align-items: center; }
.checks input { width: auto; }

.center {
  display: grid;
  grid-template-rows: 36px minmax(0, 1fr) 180px;
  min-width: 0;
  min-height: 0;
  background: #080d09;
}

.mapbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border-bottom: 1px solid var(--line);
  background: #101710;
}
#map-tabs { display: flex; gap: 4px; overflow: auto; flex: 1; }
.tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font: 12px var(--font);
  padding: 5px 10px;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
}
.tab.active { color: var(--green); border-color: var(--line); background: #0b140e; }

#canvas-wrap {
  overflow: auto;
  display: grid;
  place-items: center;
  padding: 12px;
  background:
    radial-gradient(ellipse at center, rgba(20,60,30,0.35), transparent 70%),
    #070b08;
}
#stage-host {
  display: block;
  cursor: default;
  box-shadow: 0 0 0 1px #1c3324, 0 18px 50px rgba(0,0,0,0.45);
  background: #07140c;
}
#stage-host .konvajs-content { display: block; }
#overlay { display: none; }

.source-pane {
  display: grid;
  grid-template-rows: 28px 1fr;
  border-top: 1px solid var(--line);
  background: #0c120e;
  min-height: 0;
}
.source-tabs { display: flex; align-items: center; gap: 2px; padding: 0 8px; border-bottom: 1px solid var(--line); }
.source-tabs button {
  background: transparent; border: 0; color: var(--muted); font: 11px var(--font);
  padding: 6px 10px; cursor: pointer; letter-spacing: 0.08em; text-transform: uppercase;
}
.source-tabs button.active { color: var(--cyan); }
#source-view, #symbolic-view {
  margin: 0; padding: 8px 12px; overflow: auto;
  font: 11.5px/1.45 var(--mono); color: #b7e0c0; white-space: pre;
}
#symbolic-view { display: none; color: #c9d6b4; }
.source-pane.show-symbolic #source-view { display: none; }
.source-pane.show-symbolic #symbolic-view { display: block; }

.field-list { max-height: 220px; overflow: auto; display: flex; flex-direction: column; gap: 2px; }
.field-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 6px;
  align-items: center;
  width: 100%;
  text-align: left;
  background: #0e1611;
  border: 1px solid transparent;
  color: var(--text);
  padding: 5px 6px;
  font: 12px var(--mono);
  cursor: pointer;
}
.field-row:hover { border-color: #2d4a36; }
.field-row.selected { border-color: var(--cyan); background: #13241a; }
.tag { font-size: 9px; letter-spacing: 0.06em; padding: 2px 4px; border-radius: 2px; text-align: center; }
.tag-lit { background: #2a3320; color: #d6d39a; }
.tag-in { background: #143326; color: #7dffb0; }
.tag-io { background: #233018; color: #e6c35c; }
.fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fpos { color: var(--muted); font-size: 11px; }
.palette { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.chip {
  display: grid;
  grid-template-columns: 10px 1fr;
  grid-template-rows: auto auto;
  column-gap: 8px;
  align-items: center;
  background: #0e1611;
  border: 1px solid #2c4334;
  border-radius: 5px;
  padding: 7px 8px;
  cursor: grab;
  user-select: none;
  font-size: 12.5px;
}
.chip small { grid-column: 2; color: var(--muted); font-size: 10px; letter-spacing: 0.04em; }
.chip:hover { border-color: #4a7a58; background: #15221a; }
.chip:active, .chip.dragging { cursor: grabbing; border-color: var(--cyan); }
.chip-swatch { width: 10px; height: 22px; border-radius: 2px; grid-row: 1 / span 2; }
.chip-swatch.lit { background: #d6d39a; }
.chip-swatch.inn { background: #7dffb0; }
.chip-swatch.out { background: #e6c35c; }
.chip-swatch.num { background: #7ecbff; }
#canvas-wrap.drop-target {
  outline: 1px dashed #4a9a62;
  outline-offset: -6px;
}
.muted { color: var(--muted); font-size: 12px; }
.pad { padding: 8px; }
.hidden { display: none !important; }
.hint { color: var(--muted); font-size: 11px; margin: 4px 0 8px; }
.actions { display: flex; gap: 6px; margin-top: 8px; }

.status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: #0e1611;
  border-top: 1px solid var(--line);
  font: 11px var(--mono);
  color: var(--muted);
}
#coord { color: var(--green); min-width: 70px; text-align: right; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: none;
  place-items: center;
  z-index: 20;
}
.modal.open { display: grid; }
.dialog {
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  background: #121a15;
  border: 1px solid #2c4334;
  border-radius: 8px;
  box-shadow: 0 20px 70px rgba(0,0,0,0.5);
  padding: 16px 18px 18px;
}
.dialog h3 { margin: 0 0 10px; font-size: 16px; }
.dialog p, .dialog li { color: #c5dac9; font-size: 13.5px; line-height: 1.5; }
.dialog-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

#preview-screen {
  background: #031206;
  color: #33ff66;
  font: 13px/1.15 var(--mono);
  padding: 12px 14px;
  overflow: auto;
  border: 4px solid #1a2c1e;
  border-radius: 4px;
  letter-spacing: 0;
  white-space: pre;
}
.p-row { display: block; white-space: pre; }
#preview-screen span { display: inline-block; width: 8.2px; text-align: center; }
#preview-screen span.und { text-decoration: underline; }
#preview-screen span.brt { font-weight: 700; }

#toast {
  position: fixed; right: 16px; bottom: 40px;
  background: #163322; color: #d9ffe4; border: 1px solid #2f7a4a;
  padding: 10px 14px; border-radius: 6px; max-width: 420px;
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: 0.2s ease; z-index: 30; font-size: 13px;
}
#toast.show { opacity: 1; transform: none; }

.k { font-family: var(--mono); background: #1a261e; padding: 1px 5px; border-radius: 3px; font-size: 12px; }

@media (max-width: 1100px) {
  .workspace { grid-template-columns: 230px minmax(0,1fr) 250px; }
}