/* #40 字段对齐矩阵 · 手写独立主题（蓝灰工程表格 + 可编辑映射）
   本文件自带全部组件样式，不依赖任何批次共享 UI 层。 */
.sa2 {
    --s-bg: #f2f5f9; --s-paper: #ffffff; --s-paper2: #f6f9fc; --s-paper3: #e8eef5;
    --s-ink: #17283a; --s-ink2: #465c72; --s-ink3: #8295a8; --s-line: #dbe5ee; --s-line2: #c1d2e0;
    --s-main: #245a8d; --s-main2: #1b4874; --s-main-soft: #e4f0fa;
    --s-ok: #1f8060; --s-ok-soft: #e4f4ed; --s-alias: #a86a17; --s-alias-soft: #fdf1dd;
    --s-none: #a9465a; --s-none-soft: #fbeaee;
    --s-shadow: 0 1px 2px rgba(23,40,58,.05), 0 16px 38px rgba(23,40,58,.09);
    --s-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    display: block; min-height: 70vh; padding: 0 0 56px;
    background: linear-gradient(180deg, #e9f0f8 0%, var(--s-bg) 340px); color: var(--s-ink); font-size: 15px; line-height: 1.8;
}
:root[data-theme="dark"] .sa2 {
    --s-bg: #0b131d; --s-paper: #121f2c; --s-paper2: #182837; --s-paper3: #1f3344;
    --s-ink: #e7f0f8; --s-ink2: #b2c6d8; --s-ink3: #8099ae; --s-line: #24384a; --s-line2: #34506a;
    --s-main: #8ec5f2; --s-main2: #b4dcf9; --s-main-soft: rgba(142,197,242,.12);
    --s-ok: #77d5ac; --s-ok-soft: rgba(119,213,172,.12); --s-alias: #f1c078; --s-alias-soft: rgba(241,192,120,.12);
    --s-none: #ff9aa7; --s-none-soft: rgba(255,154,167,.12);
    --s-shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 38px rgba(0,0,0,.3);
    color-scheme: dark;
}
.sa2 * { box-sizing: border-box; }
.sa2 [hidden] { display: none !important; }
.sa2-inner { width: min(1220px, calc(100% - 40px)); margin: 0 auto; }
.sa2 b, .sa2 strong { color: var(--s-ink); }

.sa2-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 26px 0 16px; }
.sa2-eyebrow { font-family: var(--s-mono); font-size: 11px; letter-spacing: .14em; color: var(--s-main); }
.sa2-head h1 { margin: 6px 0 5px; font-size: clamp(26px, 3.2vw, 35px); line-height: 1.25; font-weight: 800; }
.sa2-head h1 em { font-style: normal; color: var(--s-main); }
.sa2-head p { margin: 0; max-width: 660px; font-size: 13.8px; line-height: 1.85; color: var(--s-ink2); }
.sa2-legend { display: flex; gap: 10px; flex-wrap: wrap; font-size: 11.5px; color: var(--s-ink3); }
.sa2-legend span { display: inline-flex; align-items: center; gap: 5px; }
.sa2-legend i { width: 10px; height: 10px; border-radius: 2px; }
.sa2-legend i.ok { background: var(--s-ok); } .sa2-legend i.alias { background: var(--s-alias); } .sa2-legend i.none { background: var(--s-none); }

.sa2-setup { display: grid; grid-template-columns: minmax(0, 210px) minmax(0, 1fr) auto; gap: 14px;
    padding: 16px 18px; border: 1px solid var(--s-line); border-radius: 12px; background: var(--s-paper); box-shadow: var(--s-shadow); }
.sa2-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 16px 10px;
    border: 1.5px dashed var(--s-line2); border-radius: 9px; background: var(--s-paper2); text-align: center; cursor: pointer; }
.sa2-drop:hover, .sa2-drop.is-over { border-color: var(--s-main); background: var(--s-main-soft); }
.sa2-drop.has-file { border-style: solid; border-color: var(--s-ok); background: var(--s-ok-soft); }
.sa2-drop b { font-size: 13px; } .sa2-drop small { font-size: 10.8px; color: var(--s-ink3); }
.sa2-files { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; align-content: start; }
.sa2-files li { display: flex; gap: 8px; padding: 6px 9px; border: 1px solid var(--s-line); border-radius: 7px;
    background: var(--s-paper2); font-size: 12px; }
.sa2-files b { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sa2-files i { font-style: normal; font-family: var(--s-mono); font-size: 10.5px; color: var(--s-ink3); }
.sa2-inputs { display: flex; align-items: flex-end; gap: 9px; flex-wrap: wrap; }
.sa2-inputs label { display: grid; gap: 3px; font-size: 11px; font-weight: 700; color: var(--s-ink2); }
.sa2-inputs input[type=number], .sa2-inputs select { min-width: 92px; padding: 7px 9px; font-size: 12.2px;
    color: var(--s-ink); background: var(--s-paper); border: 1px solid var(--s-line2); border-radius: 7px; }
.sa2-inline { display: inline-flex !important; align-items: center; gap: 6px; align-self: center; cursor: pointer; }
.sa2-inline input { accent-color: var(--s-main); }
.sa2-btns { display: flex; flex-direction: column; gap: 6px; }
.sa2-btn { appearance: none; padding: 8px 13px; font-size: 12.5px; font-weight: 700; cursor: pointer;
    border: 1px solid var(--s-line2); border-radius: 8px; background: var(--s-paper2); color: var(--s-ink2); }
.sa2-btn:hover:not(:disabled) { border-color: var(--s-main); color: var(--s-main); }
.sa2-btn:disabled { opacity: .45; cursor: not-allowed; }
.sa2-btn--main { background: var(--s-main); color: #fff; border-color: var(--s-main); }
.sa2-btn--main:hover:not(:disabled) { background: var(--s-main2); color: #fff; }
:root[data-theme="dark"] .sa2-btn--main { color: #0b131d; }
.sa2-mini { appearance: none; padding: 3px 9px; font-size: 11px; font-weight: 700; cursor: pointer;
    border: 1px solid var(--s-line2); border-radius: 6px; background: var(--s-paper); color: var(--s-ink2); }
.sa2-err { grid-column: 1 / -1; min-height: 14px; margin: 0; font-size: 11.8px; color: var(--s-none); }
.sa2-meta { grid-column: 1 / -1; margin: 0; font-size: 11px; color: var(--s-ink3); }

.sa2-status { margin: 14px 0 10px; padding: 9px 12px; border-left: 3px solid var(--s-ok); border-radius: 8px;
    background: var(--s-ok-soft); font-size: 12.3px; line-height: 1.8; color: var(--s-ink2); }
.sa2-status.is-demo { background: var(--s-alias-soft); border-left-color: var(--s-alias); }
.sa2-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 14px; }
.sa2-kpis > div { padding: 8px 11px; border: 1px solid var(--s-line); border-radius: 9px; background: var(--s-paper); box-shadow: var(--s-shadow); }
.sa2-kpis span { display: block; font-size: 10.7px; color: var(--s-ink3); }
.sa2-kpis b { display: block; font-family: var(--s-mono); font-size: 17px; color: var(--s-main); }
.sa2-kpis em { display: block; font-style: normal; font-size: 10.5px; color: var(--s-ink3); }

.sa2-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 360px); gap: 14px; align-items: start; }
.sa2-matrix, .sa2-editor { min-width: 0; padding: 18px; border: 1px solid var(--s-line); border-radius: 12px;
    background: var(--s-paper); box-shadow: var(--s-shadow); }
.sa2-editor { position: sticky; top: 16px; }
.sa2-sec-h { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap;
    margin-bottom: 11px; padding-bottom: 9px; border-bottom: 2px solid var(--s-main-soft); }
.sa2-sec-h b { font-size: 15px; }
.sa2-sec-h span { font-family: var(--s-mono); font-size: 11px; color: var(--s-ink3); }
.sa2-empty { padding: 40px 14px; text-align: center; font-size: 12.5px; color: var(--s-ink3); }
.sa2-hint { margin: 0 0 10px; font-size: 11.8px; line-height: 1.75; color: var(--s-ink3); }

/* 矩阵表格 */
.sa2-matrix-scroll { overflow: auto; border: 1px solid var(--s-line); border-radius: 9px; }
.sa2-matrix-scroll table { width: 100%; border-collapse: collapse; font-size: 12px; }
.sa2-matrix-scroll th, .sa2-matrix-scroll td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--s-line); border-right: 1px solid var(--s-line); }
.sa2-matrix-scroll th { background: var(--s-paper3); font-weight: 800; white-space: nowrap; }
.sa2-matrix-scroll th:first-child, .sa2-matrix-scroll td:first-child { position: sticky; left: 0; background: var(--s-paper2); font-family: var(--s-mono); font-weight: 700; }
.sa2-matrix-scroll tr:last-child td { border-bottom: 0; }
.sa2-cell { display: inline-block; padding: 2px 7px; border-radius: 5px; font-size: 11.2px; font-weight: 700; }
.sa2-cell.ok { background: var(--s-ok-soft); color: var(--s-ok); }
.sa2-cell.alias { background: var(--s-alias-soft); color: var(--s-alias); }
.sa2-cell.none { background: var(--s-none-soft); color: var(--s-none); }
.sa2-sub { margin: 16px 0 8px; font-size: 13px; }
.sa2-block { margin-bottom: 8px; padding: 10px 12px; border: 1px solid var(--s-line); border-left: 3px solid var(--s-alias);
    border-radius: 8px; background: var(--s-paper2); font-size: 12.2px; line-height: 1.8; color: var(--s-ink2); }
.sa2-block b { display: block; color: var(--s-ink); }
.sa2-block em { font-style: normal; font-family: var(--s-mono); color: var(--s-main); }
.sa2-table { width: 100%; border-collapse: collapse; font-size: 11.8px; }
.sa2-table th, .sa2-table td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--s-line); }
.sa2-table th { background: var(--s-paper3); }
.sa2-notes { margin: 12px 0 0; padding-left: 18px; font-size: 11.6px; line-height: 1.8; color: var(--s-ink3); }

/* 映射编辑器 */
.sa2-editor-rows { max-height: 300px; overflow: auto; display: grid; gap: 7px; margin-bottom: 12px; }
.sa2-maprow { padding: 9px 10px; border: 1px solid var(--s-line); border-radius: 8px; background: var(--s-paper2); }
.sa2-maprow > b { display: block; margin-bottom: 6px; font-family: var(--s-mono); font-size: 12px; color: var(--s-main); }
.sa2-mapcell { display: grid; grid-template-columns: minmax(0, 92px) minmax(0, 1fr); gap: 6px; align-items: center; margin-top: 4px; }
.sa2-mapcell span { font-size: 10.8px; color: var(--s-ink3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sa2-mapcell select { width: 100%; min-width: 0; padding: 5px 7px; font-size: 11.6px; color: var(--s-ink);
    background: var(--s-paper); border: 1px solid var(--s-line2); border-radius: 6px; }
.sa2-json-h { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; font-size: 12.2px; }
.sa2-json { margin: 0; padding: 11px; max-height: 190px; overflow: auto; border-radius: 8px;
    background: #0e1c28; color: #c9e2f2; font-family: var(--s-mono); font-size: 11.2px; line-height: 1.7; white-space: pre; }
.sa2-exports { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

@media (max-width: 1000px) { .sa2-grid { grid-template-columns: 1fr; } .sa2-editor { position: static; } }
@media (max-width: 860px) { .sa2-setup { grid-template-columns: 1fr; } .sa2-btns { flex-direction: row; flex-wrap: wrap; } }
@media (max-width: 720px) {
    .sa2-inner { width: calc(100% - 24px); }
    .sa2-head { flex-direction: column; align-items: flex-start; }
    .sa2-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .tool-rec-grid { grid-template-columns: minmax(0, 1fr); }
    .tool-rec-item { min-width: 0; width: 100%; }
}
@media print { .sa2-setup, .sa2-btn, .sa2-editor { display: none !important; } }
@media (prefers-reduced-motion: reduce) { .sa2 * { transition: none !important; } }