:root{
  color-scheme: dark;
  --bg:#0b0d12;
  --panel:#0f1420;
  --panel2:#0d111a;
  --border:rgba(255,255,255,0.08);
  --text:rgba(255,255,255,0.92);
  --muted:rgba(255,255,255,0.65);
  --accent:#7dd3fc;
  --danger:#fb7185;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{ box-sizing:border-box; }
html, body{ height:100%; margin:0; background:var(--bg); color:var(--text); }
#app{ height:100%; }

button{
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 700;
}
button:hover{ border-color: rgba(255,255,255,0.18); }

.kbd{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  white-space: nowrap;
}

.appShell{
  height: 100%;
  display: grid;
  grid-template-columns: 280px 1fr 340px;
}

.pane{
  border-right: 1px solid var(--border);
  background: var(--panel);
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.pane:last-child{ border-right: none; }

.paneHeader{
  padding: 12px 12px 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.paneHeader h2{
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
  color: var(--muted);
}

.paneBody{
  padding: 12px;
  overflow: auto;
  min-height: 0;
}

.canvasScroller{
  height: 100%;
  overflow: auto;
  background:
    radial-gradient(1200px 600px at 50% 0%, rgba(125, 211, 252, 0.06), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent 30%);
}
.canvasSurface{
  padding: 28px 22px 80px 22px;
  min-height: 100%;
}

.card{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
  padding: 10px 12px;
}

.blockWrap{
  position: relative;
  border-radius: 16px;
  border: 1px solid transparent;
  padding: 14px 14px;
  margin: 10px 0;
  background: rgba(255,255,255,0.02);
}
.blockWrap[data-type="section"]{
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.06);
}
.blockWrap.isSelected{
  border-color: rgba(125, 211, 252, 0.75);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.12);
}

.blockLabel{
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  display:flex;
  gap:8px;
  align-items:center;
}
.blockPill{
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-family: var(--mono);
}

.blockContent h1{
  margin: 0 0 6px 0;
  font-size: 28px;
  line-height: 1.15;
}
.blockContent p{
  margin:0;
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
}

.debugRect{
  position: fixed;
  outline: 2px solid rgba(125, 211, 252, 0.95);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.14);
  border-radius: 12px;
  pointer-events: none;
  z-index: 9999;
}

.debugHud{
  position: fixed;
  left: 14px;
  bottom: 14px;
  width: 440px;
  max-width: calc(100vw - 28px);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(12, 16, 26, 0.88);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 10px 12px;
  z-index: 10000;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
}

.smallMuted{
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}