:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1d2330;
  --muted: #5d6675;
  --border: #dde1e7;
  --accent: #2f5fd0;
  --accent-text: #ffffff;
  --accent-soft: #e8eefc;
  --ok: #1e7f4f;
  --error: #c0392b;
  --radius: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic",
    "Noto Sans KR", "Segoe UI", sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1d2128;
    --text: #e6e9ee;
    --muted: #9aa3b2;
    --border: #323844;
    --accent: #6d95f2;
    --accent-text: #0e1420;
    --accent-soft: #263452;
    --ok: #5cc98f;
    --error: #ff7b6b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.site-header, main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header { padding-top: 28px; padding-bottom: 8px; }
.site-header h1 { margin: 0 0 4px; font-size: 1.6rem; }
.site-header p { margin: 0; color: var(--muted); }
.site-header .privacy { font-size: 0.9rem; margin-top: 4px; }

.engine-status { font-size: 0.85rem; margin-top: 6px !important; }
.engine-status.ready { color: var(--ok) !important; }
.engine-status.error { color: var(--error) !important; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}

.card h2 { margin: 0 0 8px; font-size: 1.15rem; display: flex; align-items: center; gap: 8px; }

.step {
  display: inline-grid;
  place-items: center;
  width: 1.6em;
  height: 1.6em;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 0.85rem;
}

.hint { color: var(--muted); font-size: 0.9rem; margin: 4px 0 12px; }
.status { color: var(--muted); font-size: 0.9rem; }
.status.error { color: var(--error); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  margin-bottom: 14px;
}
.dropzone p { margin: 0; }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }

.link { color: var(--accent); cursor: pointer; text-decoration: underline; }

.field-label { display: block; font-weight: 600; margin-bottom: 6px; }

textarea, input[type="text"] {
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88rem; resize: vertical; }

.advanced { margin: 12px 0; }
.advanced summary { cursor: pointer; color: var(--muted); }

.row { display: flex; gap: 12px; flex-wrap: wrap; margin: 8px 0; }
.row label { flex: 1 1 220px; display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; }
.check { display: flex; align-items: center; gap: 8px; margin: 8px 0; }

.actions { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

button {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

.split { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 16px; }
@media (max-width: 760px) { .split { grid-template-columns: minmax(0, 1fr); } }

.items { list-style: none; margin: 0; padding: 0; max-height: 70vh; overflow: auto; }

.item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
}
.item input { margin-top: 5px; flex: none; }
.item.selected { border-color: var(--accent); }
.item.active { background: var(--accent-soft); }

.item-body {
  all: unset;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.item-body:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.item-body .q { font-weight: 600; overflow-wrap: anywhere; }
.item-body .a {
  color: var(--muted);
  font-size: 0.88rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.preview-pane { display: flex; flex-direction: column; min-width: 0; }
.preview-head { font-weight: 600; margin-bottom: 6px; }
#preview {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 16px 32px;
  color: var(--muted);
  font-size: 0.8rem;
}
.site-footer a { color: inherit; }

.warnings { color: var(--error); font-size: 0.85rem; padding-left: 18px; }
.warnings:empty { display: none; }