/* ============================================================
   电线安全载流量表 · 电工蓝图 / 网格纸 + 工程标签
   前缀 wat- · 蓝图灰蓝 + 深钢蓝 + 电工黄 + 铜橙，浅色默认；深色整套覆盖
   ============================================================ */
.wat-page, .wat-modal, .wat-toast {
    --wat-bg: #f1f5f9;
    --wat-grid: #dde6ef;
    --wat-panel: #ffffff;
    --wat-panel2: #f5f8fc;
    --wat-ink: #17324a;
    --wat-sub: #62768a;
    --wat-line: #d6e1ec;
    --wat-line2: #b7c9dc;
    --wat-blue: #174a76;
    --wat-blue-deep: #0e3457;
    --wat-yellow: #e7a100;
    --wat-yellow-soft: #fff3ce;
    --wat-copper: #b9622b;
    --wat-green: #1f7a55;
    --wat-red: #c53a2b;
    --wat-shadow: 0 18px 42px rgba(20, 55, 88, .12);
    --wat-shadow-sm: 0 3px 12px rgba(20, 55, 88, .08);
    --wat-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] .wat-page, :root[data-theme="dark"] .wat-modal, :root[data-theme="dark"] .wat-toast {
    --wat-bg: #0c1520;
    --wat-grid: #18283a;
    --wat-panel: #111e2c;
    --wat-panel2: #17283a;
    --wat-ink: #e3edf8;
    --wat-sub: #98aec6;
    --wat-line: #263a50;
    --wat-line2: #3a5573;
    --wat-blue: #6fa9e6;
    --wat-blue-deep: #9fcaff;
    --wat-yellow: #f2c44f;
    --wat-yellow-soft: #3a2e12;
    --wat-copper: #e79b68;
    --wat-green: #5cc99a;
    --wat-red: #ff8374;
    --wat-shadow: 0 18px 42px rgba(0, 0, 0, .5);
    --wat-shadow-sm: 0 3px 12px rgba(0, 0, 0, .34);
}
.wat-page {
    background:
        linear-gradient(var(--wat-grid) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(90deg, var(--wat-grid) 1px, transparent 1px) 0 0 / 28px 28px,
        var(--wat-bg);
    color: var(--wat-ink); padding: 0 0 58px; min-height: 60vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px; line-height: 1.78;
}
.wat-wrap { max-width: 1180px; margin: 0 auto; padding: 18px 16px 0; }
.wat-page .detail-breadcrumb { font-size: 13px; color: var(--wat-sub); margin: 10px 0 18px; }
.wat-page .detail-breadcrumb a { color: var(--wat-sub); text-decoration: none; }
.wat-page .detail-breadcrumb a:hover { color: var(--wat-blue); }
.wat-page .detail-breadcrumb .current { color: var(--wat-blue); font-weight: 700; }
.wat-page .detail-breadcrumb .sep { margin: 0 8px; opacity: .55; }

.wat-hero { display: grid; grid-template-columns: 1.14fr .86fr; gap: 22px; align-items: stretch; margin-bottom: 20px; }
.wat-hero > * { min-width: 0; }
.wat-kicker { display: block; margin-bottom: 15px; }
.wat-kicker span {
    display: inline-block; font: 800 10.5px var(--wat-mono); letter-spacing: 1.3px;
    background: repeating-linear-gradient(135deg, var(--wat-yellow) 0 10px, var(--wat-ink) 10px 14px);
    color: transparent; background-clip: text; -webkit-background-clip: text;
    border-bottom: 2px solid var(--wat-yellow); padding-bottom: 5px;
}
@supports not ((-webkit-background-clip: text) or (background-clip: text)) { .wat-kicker span { color: var(--wat-blue); background: none; } }
.wat-page h1 { font-size: 32px; line-height: 1.25; font-weight: 820; margin: 0 0 13px; letter-spacing: -.6px; }
.wat-sub { font-size: 14.5px; line-height: 1.98; color: var(--wat-sub); margin: 0 0 15px; }
.wat-sub b { color: var(--wat-ink); }
.wat-hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-bottom: 15px; }
.wat-hero-facts > div { background: var(--wat-panel); border: 1px solid var(--wat-line2); border-left: 4px solid var(--wat-yellow); border-radius: 3px; padding: 9px 11px; }
.wat-hero-facts b { display: block; font: 800 19px var(--wat-mono); }
.wat-hero-facts span { font-size: 11px; color: var(--wat-sub); }
.wat-hero-acts { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.wat-hero-tip { font-size: 11.5px; color: var(--wat-sub); }
.wat-btn {
    border: 1px solid var(--wat-line2); background: var(--wat-panel); color: var(--wat-ink);
    border-radius: 3px; padding: 9px 15px; font-size: 13.5px; font-weight: 680; cursor: pointer;
    font-family: inherit; transition: background .12s, transform .12s;
}
.wat-btn:hover { transform: translateY(-1px); border-color: var(--wat-blue); }
.wat-btn--main { background: var(--wat-blue); border-color: var(--wat-blue-deep); color: #fff; }
:root[data-theme="dark"] .wat-btn--main { color: #081a2c; }
.wat-btn-ai { border-color: var(--wat-yellow); color: var(--wat-blue); }
.wat-btn-ai:hover { background: var(--wat-yellow-soft); }

.wat-blueprint { background: var(--wat-blue-deep); color: #cfe2f3; border: 1px solid var(--wat-blue); border-radius: 6px; padding: 14px; box-shadow: var(--wat-shadow); display: flex; flex-direction: column; }
.wat-blueprint-head { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dashed rgba(207,226,243,.35); padding-bottom: 8px; }
.wat-blueprint-head b { font: 700 10.5px var(--wat-mono); letter-spacing: 1.3px; color: var(--wat-yellow); }
.wat-blueprint-head span { font: 600 11px var(--wat-mono); }
.wat-wire { width: 100%; height: 168px; display: block; color: var(--wat-copper); }
.wat-blueprint-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: auto; }
.wat-blueprint-kpis > div { border: 1px solid rgba(207,226,243,.28); border-radius: 3px; padding: 8px 10px; background: rgba(255,255,255,.04); }
.wat-blueprint-kpis span { display: block; font: 600 10px var(--wat-mono); letter-spacing: .5px; opacity: .75; }
.wat-blueprint-kpis b { font: 800 18px var(--wat-mono); color: var(--wat-yellow); }

.wat-body { display: grid; grid-template-columns: 292px 1fr; gap: 20px; align-items: start; }
.wat-body > * { min-width: 0; }
.wat-panel { background: var(--wat-panel); border: 1px solid var(--wat-line2); border-radius: 6px; padding: 18px; box-shadow: var(--wat-shadow-sm); position: sticky; top: 14px; }
.wat-panel h2, .wat-main h2 { font-size: 18px; margin: 0 0 4px; letter-spacing: -.2px; }
.wat-hint { font-size: 12.5px; color: var(--wat-sub); margin: 0 0 16px; line-height: 1.7; }
.wat-field { margin-bottom: 15px; }
.wat-label { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.wat-label em { font-style: normal; font: 500 11px var(--wat-mono); color: var(--wat-sub); }
.wat-seg { display: flex; gap: 5px; }
.wat-seg button { flex: 1; border: 1px solid var(--wat-line2); background: var(--wat-panel2); color: var(--wat-sub); border-radius: 3px; padding: 8px 4px; font: 600 12px var(--wat-mono); cursor: pointer; font-family: var(--wat-mono); }
.wat-seg button.is-on { background: var(--wat-blue); color: #fff; border-color: var(--wat-blue-deep); }
:root[data-theme="dark"] .wat-seg button.is-on { color: #081a2c; }
.wat-check { display: flex; align-items: center; gap: 8px; background: var(--wat-panel2); border: 1px solid var(--wat-line); border-radius: 3px; padding: 7px 10px; margin-bottom: 5px; cursor: pointer; }
.wat-check input { accent-color: var(--wat-blue); }
.wat-check b { font-size: 12.5px; flex: 1; font-weight: 650; }
.wat-check span { font: 600 11px var(--wat-mono); color: var(--wat-copper); }
.wat-input { width: 100%; box-sizing: border-box; border: 1px solid var(--wat-line2); background: var(--wat-panel2); color: var(--wat-ink); border-radius: 3px; padding: 9px 11px; font: 600 13px var(--wat-mono); outline: none; }
.wat-input:focus { border-color: var(--wat-blue); }
.wat-inline { display: flex; gap: 7px; }
.wat-inline .wat-input { min-width: 0; }
.wat-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.wat-actions .wat-btn--main { grid-column: 1 / -1; }
.wat-actions--row { display: flex; flex-wrap: wrap; margin: 12px 0; }
.wat-err { color: var(--wat-red); font-size: 12.5px; margin: 10px 0 0; }
.wat-err[hidden] { display: none; }
.wat-ai { margin-top: 14px; border-top: 1px dashed var(--wat-line2); padding-top: 12px; }
.wat-ai-status { font-size: 11.5px; line-height: 1.7; color: var(--wat-sub); margin: 0 0 6px; }
.wat-ai-box { font-size: 12.5px; line-height: 1.8; }
.wat-ai-box p { margin: 4px 0; }
.wat-main { display: flex; flex-direction: column; gap: 18px; }
.wat-verdict, .wat-table-box, .wat-circuits, .wat-guide { background: var(--wat-panel); border: 1px solid var(--wat-line2); border-radius: 6px; padding: 18px; box-shadow: var(--wat-shadow-sm); }
.wat-verdict-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 14px; }
.wat-vitem { background: var(--wat-panel2); border: 1px solid var(--wat-line); border-top: 3px solid var(--wat-blue); border-radius: 3px; padding: 10px 12px; }
.wat-vitem.is-warn { border-top-color: var(--wat-red); }
.wat-vitem.is-ok { border-top-color: var(--wat-green); }
.wat-vitem span { display: block; font-size: 11.5px; color: var(--wat-sub); }
.wat-vitem b { font: 800 19px var(--wat-mono); }
.wat-vitem em { font-style: normal; font-size: 11px; color: var(--wat-sub); display: block; }
.wat-verdict-note { font-size: 12.5px; line-height: 1.8; color: var(--wat-sub); margin: 12px 0 0; }
.wat-section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.wat-section-head span { font: 600 11.5px var(--wat-mono); color: var(--wat-sub); }
.wat-scroll { overflow-x: auto; margin-top: 12px; }
.wat-table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 620px; }
.wat-table th { text-align: right; font: 700 10.5px var(--wat-mono); letter-spacing: .4px; color: var(--wat-sub); border-bottom: 2px solid var(--wat-line2); padding: 8px 9px; }
.wat-table th:first-child { text-align: left; }
.wat-table td { text-align: right; border-bottom: 1px solid var(--wat-line); padding: 8px 9px; font-family: var(--wat-mono); }
.wat-table td:first-child { text-align: left; font-weight: 700; }
.wat-table tbody tr:hover { background: var(--wat-panel2); }
.wat-table tbody tr.is-pick { background: var(--wat-yellow-soft); }
.wat-bar { display: inline-block; width: 62px; height: 7px; background: var(--wat-line); border-radius: 2px; margin-right: 7px; vertical-align: middle; overflow: hidden; }
.wat-bar i { display: block; height: 100%; background: var(--wat-blue); }
.wat-mini { border: 1px solid var(--wat-line2); background: var(--wat-panel2); color: var(--wat-blue); border-radius: 3px; padding: 2px 7px; cursor: pointer; font-size: 11px; }
.wat-mini.is-del { color: var(--wat-red); border: 0; background: transparent; }
.wat-pill { display: inline-block; padding: 1px 7px; border-radius: 2px; font: 700 10.5px var(--wat-mono); }
.wat-pill.is-ok { background: rgba(31,122,85,.13); color: var(--wat-green); }
.wat-pill.is-warn { background: rgba(197,58,43,.13); color: var(--wat-red); }
.wat-guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin-top: 14px; }
.wat-gcard { border: 1px solid var(--wat-line); border-radius: 3px; padding: 11px 12px; background: var(--wat-panel2); }
.wat-gcard b { font-size: 13.5px; }
.wat-gcard p { font-size: 12px; color: var(--wat-sub); line-height: 1.75; margin: 5px 0 0; }

.wat-modal[hidden] { display: none !important; }
.wat-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 18px; background: rgba(9, 27, 46, .62); }
.wat-sheet { width: min(540px, 100%); max-height: 86vh; overflow: auto; background: var(--wat-panel); border: 1px solid var(--wat-line2); border-radius: 6px; padding: 20px; box-shadow: var(--wat-shadow); }
.wat-sheet-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--wat-yellow); padding-bottom: 10px; margin-bottom: 12px; }
.wat-sheet-head b { font: 800 13px var(--wat-mono); letter-spacing: .6px; }
.wat-modal-x { border: 0; background: transparent; color: var(--wat-sub); font-size: 24px; line-height: 1; cursor: pointer; }
.wat-sheet p { font-size: 13.5px; line-height: 1.9; margin: 6px 0; }
.wat-sheet-acts { margin-top: 16px; text-align: right; }
.wat-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(18px); z-index: 10000; background: var(--wat-ink); color: var(--wat-panel); padding: 9px 18px; border-radius: 3px; font: 600 13px var(--wat-mono); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.wat-toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 980px) {
    .wat-hero, .wat-body { grid-template-columns: 1fr; }
    .wat-panel { position: static; }
    .wat-page h1 { font-size: 27px; }
}
@media (max-width: 560px) {
    .wat-wrap { padding: 12px 10px 0; }
    .wat-hero-facts { grid-template-columns: repeat(3, 1fr); gap: 5px; }
    .wat-hero-facts b { font-size: 15px; }
    .wat-table { min-width: 580px; }
}