:root {
  --line: #d8dde3;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --accent: #1a6fb0;
  --err: #c5221f;
  --ok: #137333;
  --warn: #b06000;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  font-size: 13px; color: #222; background: var(--bg);
  display: flex; flex-direction: column;
}
header {
  flex: 0 0 auto; display: flex; align-items: center; gap: 16px;
  padding: 8px 16px; background: #fff; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 15px; color: var(--accent); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button {
  border: 1px solid var(--line); background: #fff; padding: 5px 12px;
  border-radius: 6px; cursor: pointer; font-size: 13px;
}
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

main { flex: 1 1 auto; display: flex; min-height: 0; }
.panel { min-height: 0; }
.form-panel { flex: 0 0 480px; border-right: 1px solid var(--line); background: var(--panel); }
.form-scroll { height: 100%; overflow: auto; padding: 10px 14px 24px; }
.preview-panel { flex: 1 1 auto; overflow: auto; padding: 12px; }

.group { margin-bottom: 14px; }
.group > h3 {
  font-size: 13px; margin: 0 0 8px; padding: 4px 8px; color: #234;
  background: #eef3f8; border-left: 3px solid var(--accent); border-radius: 3px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.row { display: flex; align-items: center; gap: 8px; }
.row > label { flex: 0 0 42%; color: #455; }
.row input, .row select {
  flex: 1 1 auto; min-width: 0; padding: 4px 6px;
  border: 1px solid var(--line); border-radius: 4px; font-size: 13px;
}
.unit { flex: 0 0 auto; color: #889; font-size: 12px; }
.row.invalid input, .row.invalid select { border: 1px solid var(--err); background: #fff6f6; }
.row.disabled input { background: #f2f2f2; color: #999; }
.help { color: #889; font-size: 11px; margin: 2px 0 0 42%; }

table.mat, table.load { width: 100%; border-collapse: collapse; margin: 4px 0 8px; }
table.mat th, table.mat td, table.load th, table.load td {
  border: 1px solid var(--line); padding: 3px 5px; text-align: left; font-size: 12px;
}
table.mat th, table.load th { background: #f4f6f9; }
table.mat select, table.mat input, table.load input {
  width: 100%; border: 1px solid transparent; background: transparent; font-size: 12px;
}
table.load tr.user-editable input { border: 1px solid var(--line); background: #fff; }
table.load .ro { color: #666; }
tr.invalid td { background: #fff6f6; }

.figures { display: flex; flex-direction: column; gap: 12px; }
.figures figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 8px; }
.figures figcaption { font-size: 12px; color: #556; margin-bottom: 4px; }
.figures img { width: 100%; height: auto; display: block; }
.muted { color: #99a; padding: 24px; text-align: center; }

footer { flex: 0 0 auto; border-top: 1px solid var(--line); background: #fff; }
.actions { display: flex; gap: 10px; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line); }
.actions button {
  padding: 6px 16px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; font-size: 13px;
}
.actions button.ghost { background: #fff; color: var(--accent); }
.actions button:disabled { opacity: .5; cursor: default; }
.info { padding: 8px 14px; min-height: 120px; max-height: 30vh; overflow: auto; }
.info ul { margin: 4px 0 0; padding-left: 20px; }
.info table { width: 100%; border-collapse: collapse; font-size: 12px; }
.info table th, .info table td { border: 1px solid var(--line); padding: 3px 6px; }
.info .ng { color: var(--err); font-weight: 700; }
.info .pass { color: var(--ok); font-weight: 700; }
.info .warn { color: var(--warn); }