:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #1f2933;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --ok: #047857;
  --harbor: #7c3aed;
  --local: #0891b2;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 0.85rem; margin-left: auto; }
.topbar nav .inline { margin: 0; }
.topbar nav .lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 0.85rem;
  margin-left: 0.25rem;
  border-left: 1px solid var(--border);
  font-size: 0.9rem;
}
.topbar nav .lang-switch a[aria-current="true"] { font-weight: 700; color: var(--text); }
.topbar nav .lang-switch a:not([aria-current="true"]) { opacity: 0.6; }

.container { max-width: 980px; margin: 1.5rem auto; padding: 0 1.25rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

h1, h2, h3 { margin: 0 0 0.6rem; }
h1 { font-size: 1.4rem; }
.muted { color: var(--muted); }
code { background: #eef1f5; padding: 0.1rem 0.35rem; border-radius: 4px; }

/* Long prompt/draft bodies: preserve newlines but wrap long lines so they
   stay inside the panel instead of overflowing the container. */
.prompt-content {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.flash {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  background: #eef6ff;
}
.flash.error { background: #fef2f2; border-color: #fecaca; color: var(--danger); }
.flash.ok { background: #ecfdf5; border-color: #a7f3d0; color: var(--ok); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  color: #fff;
  white-space: nowrap;
}
.badge.harbor { background: var(--harbor); }
.badge.local { background: var(--local); }

.btn {
  display: inline-block;
  font: inherit;
  cursor: pointer;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
}
.btn:hover { text-decoration: none; background: #f0f2f5; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: #fef2f2; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 0.2rem 0.5rem; font-size: 0.82rem; }
.btn:disabled, .btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.toolbar { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.toolbar.between { justify-content: space-between; }

dl.meta { display: grid; grid-template-columns: 9rem 1fr; gap: 0.3rem 0.5rem; margin: 0; }
dl.meta dt { color: var(--muted); font-size: 0.8rem; }
dl.meta dd { margin: 0; word-break: break-word; }

form .row { margin-bottom: 0.8rem; }
form label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.2rem; }
input[type=text], input[type=number], textarea, select {
  width: 100%;
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
textarea { min-height: 4.5rem; resize: vertical; }
.hint { font-size: 0.78rem; color: var(--muted); }

.criterion-row {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 0.6rem;
  background: #fbfcfd;
}
.criterion-row .crow-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.criterion-row .grid2 { display: grid; grid-template-columns: 1fr 2fr; gap: 0.6rem; }

.crit-actions { display: flex; gap: 0.25rem; flex-wrap: nowrap; }
.crit-edit { display: none; margin-top: 0.5rem; }
.crit-edit.open { display: block; }

.readonly-note {
  background: #f5f3ff;
  border: 1px solid #ddd6fe;
  color: var(--harbor);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* compare form + matrix */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem;
  background: #fbfcfd;
}
.check { display: flex; align-items: center; gap: 0.4rem; }
.check input { margin: 0; }

table.matrix { border-collapse: collapse; width: 100%; }
table.matrix th, table.matrix td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.55rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.85rem;
}
table.matrix thead th { background: #f5f7fa; white-space: nowrap; }
table.matrix td.cell { text-align: center; font-weight: 600; white-space: nowrap; }
table.matrix td.cell.pass { color: var(--ok); background: #ecfdf5; }
table.matrix td.cell.fail { color: var(--danger); background: #fef2f2; }
table.matrix td.cell.rate { color: var(--accent); background: #eff6ff; }

/* law-info side-by-side detail + rendered markdown */
.law-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

/* contract-generation panel: mode radios + shared inputs */
.gen-modes {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  margin-bottom: 0.8rem;
  background: #fbfcfd;
}
.gen-modes legend { font-size: 0.8rem; color: var(--muted); padding: 0 0.3rem; }
.gen-modes .check { margin-bottom: 0.2rem; }
.gen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
@media (max-width: 720px) { .gen-grid { grid-template-columns: 1fr; } }
.gen-extra { margin-top: 0.4rem; }
.gen-result { margin-top: 0.6rem; }
.gen-result .toolbar { margin-bottom: 0.4rem; }
@media (max-width: 900px) { .law-info-grid { grid-template-columns: 1fr; } }
.markdown-body { line-height: 1.6; word-break: break-word; }
.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin: 0.8rem 0 0.4rem; }
.markdown-body h1 { font-size: 1.2rem; }
.markdown-body h2 { font-size: 1.05rem; }
.markdown-body ul, .markdown-body ol { margin: 0.4rem 0; padding-left: 1.4rem; }
.markdown-body li { margin: 0.2rem 0; }
.markdown-body p { margin: 0.5rem 0; }
.markdown-body code { background: #f3f4f6; padding: 0.05rem 0.3rem; border-radius: 3px; }
.markdown-body blockquote {
  border-left: 3px solid var(--border); margin: 0.5rem 0; padding: 0.2rem 0.8rem;
  color: #555; background: #fafbfc;
}