:root {
  color-scheme: light;
  --panel: #fff;
  --line: #afc0d4;
  --ink: #152033;
  --muted: #607087;
  --primary: #205c78;
  --good: #16705d;
  --warn: #b45309;
  --danger: #b91c1c;
  --soft: #f4f7fa;
  --canvas: #edf2f6;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body { min-width: 1080px; min-height: 100%; margin: 0; }

body { background: var(--canvas); color: var(--ink); }

button, input, select, textarea { font: inherit; }

.design-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto auto minmax(620px, 1fr);
  gap: 8px;
  padding: 8px;
}

.panel, .card {
  background: var(--panel);
  border: 1px solid var(--line);
}

.design-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 14px;
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 22px; font-weight: 600; }
h2 { font-size: 18px; font-weight: 600; }
h3 { font-size: 15px; font-weight: 600; }
.design-header p, .muted { margin-top: 4px; color: var(--muted); line-height: 1.5; }
.warning { color: var(--warn); }
.danger-text { color: var(--danger); }
.good-text { color: var(--good); }

.toolbar, .header-actions, .workspace-buttons, .action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.workspace-nav { padding: 10px; }
.workspace-buttons { margin-top: 6px; max-width: 790px; }

.workspace-buttons button, .button {
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid #c7d4e2;
  background: #eef4f8;
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
}

.workspace-buttons button { min-width: 94px; min-height: 36px; }
.workspace-buttons button[aria-current="page"], .button.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.button.good { color: #fff; background: var(--good); border-color: var(--good); }
.button.danger { color: var(--danger); background: #fee2e2; border-color: #fecaca; }
.button:disabled, button:disabled { cursor: not-allowed; opacity: .62; }
.version-chip { padding: 5px 8px; border: 1px solid var(--line); background: var(--soft); font-size: 12px; }

.status-bar {
  display: block;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--muted);
}
.status-bar[data-tone="error"] { color: var(--danger); border-color: #fecaca; background: #fff1f2; }
.status-bar[data-tone="success"] { color: var(--good); border-color: #a7d9cc; background: #f0fdf8; }

.page-root { min-height: 620px; height: 100%; overflow: hidden; }
.page { height: 100%; min-height: 620px; display: grid; gap: 8px; }
.fill-page { grid-template-rows: auto minmax(420px, 1fr); }
.home-page { grid-template-rows: auto auto minmax(320px, 1fr); }

.card { padding: 12px; min-width: 0; min-height: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(5, minmax(150px, 1fr)); gap: 8px; }
.stat-grid.six { grid-template-columns: repeat(6, minmax(130px, 1fr)); }
.stat { padding: 10px; border: 1px solid var(--line); background: #f8fafc; }
.stat span { display: block; color: var(--muted); }
.stat strong { display: block; margin-top: 4px; font-size: 24px; }

.two-column { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8px; min-height: 0; }
.library-grid { grid-template-columns: 58fr 42fr; }
.checkout-grid { grid-template-columns: 65fr 35fr; }
.equal-grid { grid-template-columns: 1fr 1fr; }
.bom-grid { grid-template-columns: .85fr 1.15fr; }
.inventory-grid { grid-template-columns: minmax(560px, 1.2fr) minmax(430px, .8fr); }
.cad-grid { display: grid; grid-template-columns: 1.05fr 1.25fr; grid-template-rows: 1.05fr .95fr; gap: 8px; min-height: 0; }
.cad-detail { grid-column: 2; grid-row: 1 / span 2; display: grid; grid-template-rows: auto minmax(260px, 1fr) auto; gap: 8px; min-height: 0; }

.section-head { display: flex; justify-content: space-between; gap: 12px; align-items: end; margin-bottom: 8px; }
.section-head > div:first-child { min-width: 0; }
.compact-note { color: var(--muted); line-height: 1.5; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 10px; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.six { grid-template-columns: repeat(6, minmax(120px, 1fr)); }
.field > span { color: var(--muted); font-size: 12px; }
.work-editor { min-height: 180px; height: 100%; resize: none; }
.json-editor { font-family: Consolas, monospace; white-space: pre; overflow: auto; }
.check-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.check-row label { display: flex; align-items: center; gap: 5px; }
.check-row input { width: auto; min-height: auto; }

.table-panel { display: grid; grid-template-rows: auto minmax(260px, 1fr); min-height: 0; }
.table-wrap { overflow: auto; min-height: 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
tbody tr:nth-child(even) { background: #fafcfe; }
tbody tr { cursor: pointer; }
tbody tr[aria-selected="true"] { background: #e1eef5; outline: 1px solid var(--primary); }
.empty-row { color: var(--muted); text-align: center; padding: 28px; }

.preview-panel { display: grid; grid-template-rows: auto auto minmax(280px, 1fr) auto; min-height: 0; }
.preview-meta { padding: 12px; border: 1px solid var(--line); background: var(--soft); }
.preview-area { min-height: 280px; overflow: auto; border: 1px solid var(--line); background: #fff; }
.preview-area iframe, .preview-area img { width: 100%; height: 100%; min-height: 420px; border: 0; object-fit: contain; }
.preview-placeholder { display: grid; place-items: center; min-height: 100%; padding: 20px; color: var(--muted); text-align: center; white-space: pre-wrap; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag { padding: 3px 8px; border: 1px solid var(--line); background: #eef4f7; border-radius: 4px; }

.stack { display: grid; gap: 8px; }
.steps { margin: 8px 0 0; padding-left: 20px; color: var(--muted); line-height: 1.7; }
.blocked-note { padding: 9px; border-left: 4px solid var(--warn); background: #fff7ed; color: #8a4508; }

.subtabs { display: flex; gap: 6px; margin-bottom: 8px; }
.subtabs button[aria-current="page"] { color: #fff; background: var(--primary); }
.distribution-grid { display: grid; grid-template-rows: 1fr 1fr; gap: 8px; height: 100%; min-height: 0; }

.audit-grid { display: grid; grid-template-columns: 1.15fr 1.05fr .95fr; gap: 8px; min-height: 0; }
.audit-grid .table-wrap { height: 100%; }

.detail-dialog { width: min(980px, 92vw); max-height: 88vh; border: 1px solid var(--line); padding: 0; }
.detail-dialog form { display: grid; grid-template-rows: auto minmax(300px, 1fr); max-height: 88vh; }
.detail-dialog header { display: flex; justify-content: space-between; align-items: center; padding: 12px; border-bottom: 1px solid var(--line); }
.dialog-body { padding: 12px; overflow: auto; white-space: pre-wrap; }

@media (max-width: 1280px) {
  .stat-grid, .stat-grid.six { grid-template-columns: repeat(3, 1fr); }
  .form-grid.six { grid-template-columns: repeat(3, 1fr); }
}

/* === 桌面版DataGrid对齐 === */
thead tr { background: #f3f7fc; }
th { color: #435166; font-weight: 600; text-align: left; padding: 0 8px; height: 34px; border-bottom: 1px solid #afc0d4; }
td { padding: 0 8px; height: 25px; border-bottom: 1px solid #e8eef5; }
tbody tr:nth-child(even) { background: #fafcff; }
tbody tr:hover { background: #f4f8ff; }