:root {
  --bg: #1e2227; --panel: #282c34; --panel2: #21252b; --line: #3a3f4b;
  --txt: #d7dae0; --muted: #8b919e; --accent: #5865f2; --danger: #d83c3e;
  --ok: #3ba55d; --warn: #faa61a;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--txt);
  font: 14px/1.45 -apple-system, Segoe UI, Roboto, sans-serif;
}
button {
  background: var(--accent); color: #fff; border: 0; border-radius: 4px;
  padding: 6px 12px; cursor: pointer; font-size: 13px;
}
button:disabled { opacity: .45; cursor: default; }
button.danger { background: var(--danger); }
button.small { padding: 2px 8px; font-size: 12px; }
input, select, textarea {
  background: var(--panel2); color: var(--txt); border: 1px solid var(--line);
  border-radius: 4px; padding: 6px 8px; font: inherit; width: 100%;
}
label { display: block; margin: 10px 0; font-size: 12px; color: var(--muted); }
label input, label select, label textarea { margin-top: 4px; color: var(--txt); }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 12px; }
.row { display: flex; gap: 12px; }
.row > label { flex: 1; }

#topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 16px; background: var(--panel2); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.badge {
  background: var(--warn); color: #1e2227; border-radius: 10px;
  padding: 2px 9px; font-size: 11px; font-weight: 600;
}

.gate { padding: 40px; text-align: center; color: var(--muted); }

#editor {
  display: grid; grid-template-columns: 260px 1fr 360px;
  height: calc(100vh - 49px);
}
#tree-pane { background: var(--panel2); border-right: 1px solid var(--line); overflow: auto; }
#form-pane { overflow: auto; padding: 16px 20px; }
#preview-pane { background: var(--panel2); border-left: 1px solid var(--line); overflow: auto; }

.pane-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted);
}

#tree { padding: 6px 0; }
.tree-track > .tree-label { font-weight: 600; padding: 6px 14px; }
.tree-tier > .tree-label { color: var(--warn); }
.tree-label {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 14px; cursor: pointer; gap: 6px;
}
.tree-label:hover { background: #2f3440; }
.tree-label.selected { background: var(--accent); color: #fff; }
.tree-req { padding-left: 14px; }
.tree-req .tree-label { font-size: 13px; }
.tree-children { margin-left: 8px; }
.invalid-dot { color: var(--danger); font-weight: 700; }
.add-inline { color: var(--muted); font-size: 12px; cursor: pointer; padding: 3px 14px 8px 28px; }
.add-inline:hover { color: var(--txt); }

.subsection { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 10px; }
.subhead {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--muted); margin-bottom: 6px;
}
#steps-list { padding-left: 22px; }
.step-row, .guideline-row { display: flex; gap: 6px; align-items: center; margin: 5px 0; }
.guideline-row .g-soft { display: flex; align-items: center; gap: 4px; white-space: nowrap; color: var(--muted); font-size: 12px; }
.guideline-row input[type=checkbox] { width: auto; }
.reorder { display: flex; flex-direction: column; }

.form-footer { margin-top: 20px; display: flex; justify-content: space-between; align-items: center; }
.errors { color: var(--danger); font-size: 12px; }

.discord-embed {
  margin: 12px; padding: 12px 14px; background: #2b2d31;
  border-left: 4px solid var(--accent); border-radius: 4px;
  white-space: pre-wrap; font-size: 13px;
}
.discord-embed strong { color: #fff; }