:root {
  --bg: #121418;
  --panel: #1a1d24;
  --line: #00d4e0;
  --text: #e8eef2;
  --muted: #8b97a3;
  --err: #ef9a9a;
  --ok: #81c784;
  --border: #2a3038;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.4 system-ui, sans-serif; }
button, input, select { font: inherit; color: inherit; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
h1 { margin: 0; font-size: 20px; }
.sub { margin: 4px 0 0; color: var(--muted); }
.top-actions { display: flex; align-items: center; gap: 8px; }
.file { position: relative; overflow: hidden; }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

button, .file {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}
button:hover, .file:hover { border-color: var(--line); }
button.danger { color: var(--err); }
button:disabled { opacity: 0.55; cursor: default; }
.publish-status { color: var(--muted); font-size: 12px; max-width: 220px; }

.layout {
  display: grid;
  grid-template-columns: 260px 1fr 240px;
  height: calc(100% - 72px);
}
.pane { padding: 16px; overflow: auto; }
.list-pane { border-right: 1px solid var(--border); }
.fields-pane { border-left: 1px solid var(--border); }
.editor-pane { display: flex; flex-direction: column; gap: 8px; }

.chips { display: flex; gap: 6px; margin-bottom: 12px; }
.chips button { flex: 1; padding: 6px 0; }
.chips button.on { border-color: var(--line); color: var(--line); }

.group-h { margin: 14px 0 6px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.track {
  width: 100%;
  text-align: left;
  margin-bottom: 6px;
}
.track.on { border-color: var(--line); }
.track .meta { color: var(--muted); font-size: 12px; }
.list-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

canvas {
  width: 100%;
  height: auto;
  background: #0e1014;
  border-radius: 12px;
  border: 1px solid var(--border);
  cursor: crosshair;
  touch-action: none;
}
.hint { margin: 0; color: var(--muted); font-size: 12px; }

label { display: block; margin: 0 0 10px; color: var(--muted); font-size: 12px; }
input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
}
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; margin: 0; }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 16px 0; }
.id-line { margin: 0 0 4px; }
.id-note { margin: 0 0 12px; color: var(--muted); font-size: 12px; }
.errors { color: var(--err); background: #2a1717; border-radius: 8px; padding: 10px; }
.errors p { margin: 0 0 6px; }
.ok { color: var(--ok); }

.dialog {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 20;
}
.dialog[hidden] { display: none; }
.dialog-card {
  width: min(560px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.dialog-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.dialog-top h2 { margin: 0; font-size: 18px; }
.dialog-actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.board-status { margin: 0 0 10px; color: var(--muted); font-size: 12px; }
.board-rows { display: flex; flex-direction: column; gap: 6px; }
.board-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.board-row .sub { font-size: 12px; color: var(--muted); word-break: break-all; }
.board-empty { color: var(--muted); margin: 8px 0; }

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; height: auto; }
  .list-pane, .fields-pane { border: 0; }
}