/* ============================================================
   #54 食物过敏还是不耐受 · 饮食排查日记 / 双栏对照卡
   浅色默认（杏粉 + 莓红 + 青柠绿）；深色由导航 #themeToggle 覆盖变量。
   ============================================================ */
.fac-page, .fac-modal, .fac-toast {
    --fac-bg: #fdf6f2;
    --fac-card: #ffffff;
    --fac-card-2: #fdf1ec;
    --fac-ink: #3a2530;
    --fac-ink-2: #684b58;
    --fac-muted: #9a818c;
    --fac-line: #eddcd6;
    --fac-brand: #80364f;
    --fac-brand-2: #a9506c;
    --fac-brand-soft: #f7e4ea;
    --fac-accent: #5f8a2f;
    --fac-accent-soft: #edf4de;
    --fac-warn: #bf4534;
    --fac-warn-soft: #fce9e5;
    --fac-shadow: 0 15px 40px rgba(112, 55, 75, .10);
    --fac-shadow-s: 0 5px 15px rgba(112, 55, 75, .07);
}
:root[data-theme="dark"] .fac-page,
:root[data-theme="dark"] .fac-modal,
:root[data-theme="dark"] .fac-toast {
    --fac-bg: #171016;
    --fac-card: #241820;
    --fac-card-2: #2c1e27;
    --fac-ink: #f7e9ea;
    --fac-ink-2: #ddc4cc;
    --fac-muted: #ad909b;
    --fac-line: #3d2c34;
    --fac-brand: #f0a0bb;
    --fac-brand-2: #f7b9cd;
    --fac-brand-soft: #3a2330;
    --fac-accent: #b6d06a;
    --fac-accent-soft: #2a341b;
    --fac-warn: #ff9a86;
    --fac-warn-soft: #42231f;
    --fac-shadow: 0 15px 40px rgba(0, 0, 0, .42);
    --fac-shadow-s: 0 5px 15px rgba(0, 0, 0, .3);
}
/* 深色下主按钮、已选症状与时间窗条底色变亮，文字改用深色保证对比度 */
:root[data-theme="dark"] .fac-btn--main,
:root[data-theme="dark"] .fac-chip.is-on,
:root[data-theme="dark"] .fac-timeline-bars div { color: #171016; }
.fac-page {
    background: var(--fac-bg); color: var(--fac-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px; line-height: 1.85; -webkit-font-smoothing: antialiased;
}
.fac-page * { box-sizing: border-box; }
.fac-wrap { max-width: 1180px; margin: 0 auto; padding: 22px 22px 60px; }
.fac-page .detail-breadcrumb { margin: 0 0 18px; font-size: 13px; color: var(--fac-muted); }
.fac-page .detail-breadcrumb a { color: var(--fac-brand); text-decoration: none; }
.fac-page .detail-breadcrumb .sep { margin: 0 8px; }
.fac-page .detail-breadcrumb .current { color: var(--fac-ink-2); }

/* ---------- 首屏 ---------- */
.fac-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 20px; box-shadow: var(--fac-shadow); overflow: hidden; }
.fac-hero-copy { padding: 32px 30px 28px 34px; }
.fac-kicker { display: inline-block; font-size: 11.8px; font-weight: 700; letter-spacing: .13em; color: var(--fac-brand); background: var(--fac-brand-soft); border-radius: 0 20px 20px 0; padding: 5px 14px 5px 11px; border-left: 3px solid var(--fac-brand); }
.fac-hero h1 { margin: 15px 0 11px; font-size: clamp(28px, 3.1vw, 41px); font-weight: 800; line-height: 1.28; letter-spacing: -.02em; }
.fac-sub { margin: 0 0 18px; font-size: 15.2px; line-height: 1.95; color: var(--fac-ink-2); }
.fac-sub b { color: var(--fac-brand); border-bottom: 2px solid var(--fac-brand-soft); }
.fac-facts { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 9px; margin-bottom: 18px; }
.fac-fact { background: var(--fac-card-2); border: 1px solid var(--fac-line); border-radius: 12px; padding: 9px 13px; display: flex; flex-direction: column; }
.fac-fact b { font-size: 17px; line-height: 1.4; }
.fac-fact span { font-size: 11.3px; color: var(--fac-muted); }
.fac-fact.is-key { background: var(--fac-brand-soft); border-color: transparent; }
.fac-fact.is-key b { color: var(--fac-brand); }
.fac-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; align-items: end; }
.fac-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.fac-field--wide { grid-column: 1 / -1; }
.fac-field > span { font-size: 11.8px; font-weight: 700; color: var(--fac-muted); }
.fac-field select, .fac-note input, .fac-batch input, .fac-batch select, #facShareUrl {
    width: 100%; height: 40px; padding: 0 10px; border-radius: 9px; border: 1px solid var(--fac-line);
    background: var(--fac-card); color: var(--fac-ink); font: inherit; font-size: 13.5px; outline: none;
}
.fac-field select:focus, .fac-note input:focus, .fac-batch input:focus, .fac-batch select:focus { border-color: var(--fac-brand-2); box-shadow: 0 0 0 3px var(--fac-brand-soft); }
.fac-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.fac-chip { border: 1px solid var(--fac-line); background: var(--fac-card-2); color: var(--fac-ink-2); border-radius: 20px; padding: 5px 12px; font-size: 12.5px; cursor: pointer; user-select: none; }
.fac-chip:hover { border-color: var(--fac-brand-2); }
.fac-chip.is-on { background: var(--fac-brand); border-color: var(--fac-brand); color: #fff; }
.fac-chip.is-red.is-on { background: var(--fac-warn); border-color: var(--fac-warn); }
.fac-btn { border: 1px solid transparent; border-radius: 9px; padding: 9px 15px; font: inherit; font-weight: 700; font-size: 13.5px; cursor: pointer; transition: .18s ease; }
.fac-btn--main { grid-column: 1 / -1; height: 45px; color: #fff; background: linear-gradient(100deg, var(--fac-brand), var(--fac-brand-2)); box-shadow: 0 8px 20px rgba(128,54,79,.22); }
.fac-btn--main:hover { transform: translateY(-1px); }
.fac-btn--ghost { background: var(--fac-card); border-color: var(--fac-line); color: var(--fac-brand); }
.fac-btn--ghost:hover { background: var(--fac-brand-soft); }
.fac-form-msg { grid-column: 1 / -1; margin: -2px 0 0; min-height: 18px; font-size: 12.5px; color: var(--fac-warn); }
.fac-quick { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.fac-quick > span { font-size: 12px; color: var(--fac-muted); }
.fac-quick-btn { border: 1px dashed var(--fac-line); background: transparent; color: var(--fac-ink-2); border-radius: 20px; padding: 4px 12px; font: inherit; font-size: 12.5px; cursor: pointer; }
.fac-quick-btn:hover { border-color: var(--fac-brand); color: var(--fac-brand); }

.fac-vs { padding: 26px 24px; background: var(--fac-card-2); border-left: 1px solid var(--fac-line); }
.fac-vs-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.fac-vs-head b { font-size: 15px; }
.fac-vs-head span { font-size: 11.5px; color: var(--fac-muted); }
.fac-vs-cards { display: grid; grid-template-columns: 1fr 38px 1fr; align-items: center; gap: 8px; }
.fac-vs-card { border-radius: 14px; padding: 14px 14px 13px; border: 1px solid var(--fac-line); background: var(--fac-card); }
.fac-vs-card.is-a { border-top: 4px solid var(--fac-brand); }
.fac-vs-card.is-b { border-top: 4px solid var(--fac-accent); }
.fac-vs-tag { display: inline-block; font-size: 10.5px; font-weight: 700; border-radius: 20px; padding: 2px 8px; }
.fac-vs-card.is-a .fac-vs-tag { background: var(--fac-brand-soft); color: var(--fac-brand); }
.fac-vs-card.is-b .fac-vs-tag { background: var(--fac-accent-soft); color: var(--fac-accent); }
.fac-vs-card h3 { margin: 8px 0 6px; font-size: 17px; }
.fac-vs-card p { margin: 3px 0; font-size: 12.3px; color: var(--fac-ink-2); }
.fac-vs-card small { display: block; margin-top: 8px; font-size: 11px; color: var(--fac-muted); }
.fac-vs-badge { width: 34px; height: 34px; border-radius: 50%; background: var(--fac-card); border: 1px solid var(--fac-line); display: flex; align-items: center; justify-content: center; font: 700 11px Georgia, serif; color: var(--fac-muted); }
.fac-timeline { display: flex; align-items: center; gap: 5px; margin-top: 20px; font-size: 10.5px; color: var(--fac-muted); }
.fac-timeline i { flex: 1; height: 1px; background: var(--fac-line); }
.fac-timeline-bars { display: grid; gap: 6px; margin-top: 10px; }
.fac-timeline-bars div { height: 17px; border-radius: 5px; font-size: 10px; line-height: 17px; padding-left: 8px; color: #fff; white-space: nowrap; overflow: hidden; }
.fac-timeline-bars .is-a { width: 42%; background: var(--fac-brand); }
.fac-timeline-bars .is-b { width: 78%; margin-left: 22%; background: var(--fac-accent); }
.fac-vs-foot { margin: 14px 0 0; font-size: 11.8px; color: var(--fac-muted); }
.fac-vs-foot b { color: var(--fac-warn); }
.fac-warnbar { display: flex; gap: 12px; align-items: center; margin-top: 16px; padding: 11px 16px; border: 1px solid var(--fac-line); border-left: 4px solid var(--fac-warn); border-radius: 10px; background: var(--fac-warn-soft); font-size: 13px; color: var(--fac-ink-2); }
.fac-warnbar b { color: var(--fac-warn); white-space: nowrap; }

/* ---------- 区块 ---------- */
.fac-section { margin-top: 32px; }
.fac-sec-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 13px; }
.fac-sec-head h2 { margin: 0; font-size: 21px; font-weight: 800; }
.fac-num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--fac-brand-soft); color: var(--fac-brand); font-size: 12px; font-weight: 800; flex: none; }
.fac-sec-note { margin-left: auto; font-size: 12px; color: var(--fac-muted); }
.fac-verdict { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 16px; padding: 22px 24px; box-shadow: var(--fac-shadow-s); }
.fac-verdict.is-urgent { border-color: var(--fac-warn); background: var(--fac-warn-soft); }
.fac-verdict-tag { display: inline-block; font-size: 11.5px; font-weight: 700; border-radius: 6px; padding: 3px 10px; background: var(--fac-brand-soft); color: var(--fac-brand); }
.fac-verdict-main strong { display: block; margin: 10px 0 7px; font-size: 26px; line-height: 1.35; color: var(--fac-brand); }
.fac-verdict.is-urgent .fac-verdict-main strong { color: var(--fac-warn); }
.fac-verdict-main p { margin: 0; font-size: 13.5px; color: var(--fac-ink-2); }
.fac-verdict-side { border-left: 1px dashed var(--fac-line); padding-left: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-content: center; }
.fac-meter { background: var(--fac-card-2); border: 1px solid var(--fac-line); border-radius: 10px; padding: 10px 12px; }
.fac-meter b { display: block; font-size: 26px; line-height: 1.2; color: var(--fac-brand); font-variant-numeric: tabular-nums; }
.fac-meter:last-of-type b { color: var(--fac-accent); }
.fac-meter span { font-size: 11.5px; color: var(--fac-muted); }
.fac-scorebar { grid-column: 1 / -1; height: 9px; border-radius: 6px; background: var(--fac-accent-soft); overflow: hidden; }
.fac-scorebar i { display: block; height: 100%; width: 50%; border-radius: 6px; background: linear-gradient(90deg, var(--fac-accent), var(--fac-brand)); transition: width .4s ease; }
.fac-redflags { margin-top: 12px; border: 1px solid var(--fac-warn); border-radius: 12px; padding: 15px 18px; background: var(--fac-warn-soft); }
.fac-redflags[hidden] { display: none !important; }
.fac-redflags > b { color: var(--fac-warn); font-size: 14.5px; }
.fac-redflags > p { font-size: 12.8px; color: var(--fac-ink-2); margin: 5px 0 9px; }
#facRedList { display: flex; flex-wrap: wrap; gap: 7px; }
#facRedList span { background: var(--fac-card); border: 1px solid var(--fac-warn); border-radius: 20px; padding: 3px 10px; font-size: 12px; color: var(--fac-warn); }
.fac-table-wrap { overflow-x: auto; background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 14px; }
.fac-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 13px; }
.fac-table th, .fac-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--fac-line); vertical-align: top; }
.fac-table th { background: var(--fac-card-2); font-size: 11.8px; color: var(--fac-muted); white-space: nowrap; }
.fac-table tbody tr { cursor: pointer; }
.fac-table tbody tr:hover, .fac-table tbody tr.is-cur { background: var(--fac-brand-soft); }
.fac-table tbody tr:last-child td { border-bottom: 0; }
.fac-table td:first-child { font-weight: 700; white-space: nowrap; }
.fac-fine { font-size: 12px; color: var(--fac-muted); margin: 9px 0 0; }

/* ---------- 日记 ---------- */
.fac-batch { background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 14px; overflow: hidden; }
.fac-batch-head, .fac-batch-row { display: grid; grid-template-columns: 1fr .75fr 1.3fr .65fr 1.2fr 1fr 34px; gap: 8px; align-items: center; padding: 8px 11px; }
.fac-batch-head { background: var(--fac-card-2); font-size: 11.8px; font-weight: 700; color: var(--fac-muted); }
.fac-batch-row { border-top: 1px solid var(--fac-line); }
.fac-batch-row input, .fac-batch-row select { height: 34px; font-size: 12.2px; }
.fac-batch-del { border: 0; background: var(--fac-warn-soft); color: var(--fac-warn); border-radius: 8px; height: 30px; cursor: pointer; }
.fac-batch-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 11px; border-top: 1px solid var(--fac-line); background: var(--fac-card-2); }
.fac-batch-foot > span { font-size: 12.3px; color: var(--fac-muted); }
.fac-actions { margin-left: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.fac-actions .fac-btn { padding: 6px 11px; font-size: 12.3px; }
.fac-summary { margin-top: 12px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.fac-summary > div { background: var(--fac-card); border: 1px dashed var(--fac-line); border-radius: 10px; padding: 12px 14px; }
.fac-summary span { display: block; font-size: 11.5px; color: var(--fac-muted); }
.fac-summary b { font-size: 15px; color: var(--fac-brand); }
.fac-note { margin-top: 12px; background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 12px; padding: 13px 15px; }
.fac-note label { display: block; font-size: 12.3px; font-weight: 700; color: var(--fac-muted); margin-bottom: 6px; }
.fac-note-out { margin-top: 8px; font-size: 12.8px; color: var(--fac-ink-2); word-break: break-all; }
.fac-hidden { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }
.fac-hidden article { background: var(--fac-card); border: 1px solid var(--fac-line); border-top: 3px solid var(--fac-accent); border-radius: 11px; padding: 13px 15px; }
.fac-hidden b { font-size: 13.5px; }
.fac-hidden p { margin: 4px 0 0; font-size: 12.3px; color: var(--fac-ink-2); }
.fac-asks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }
.fac-asks article { background: var(--fac-card); border: 1px solid var(--fac-line); border-radius: 11px; padding: 13px 15px; }
.fac-asks b { font-size: 13.5px; color: var(--fac-brand); }
.fac-asks p { margin: 4px 0 0; font-size: 12.3px; color: var(--fac-ink-2); }
.fac-disclaimer { font-size: 12px; color: var(--fac-muted); margin: 14px 0 0; }

/* ---------- 浮层 ---------- */
.fac-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; background: rgba(45, 22, 32, .58); padding: 20px; }
.fac-modal[hidden], .fac-toast[hidden] { display: none !important; }
.fac-modal-card { width: min(480px, 100%); background: var(--fac-card); color: var(--fac-ink); border: 1px solid var(--fac-line); border-radius: 16px; padding: 24px; box-shadow: var(--fac-shadow); position: relative; }
.fac-modal-card h3 { margin: 0 0 6px; font-size: 19px; }
.fac-modal-card p { margin: 0 0 13px; font-size: 13px; color: var(--fac-muted); }
.fac-modal-x { position: absolute; right: 14px; top: 11px; border: 0; background: transparent; color: var(--fac-muted); font-size: 24px; cursor: pointer; }
.fac-modal-actions { margin-top: 12px; display: flex; justify-content: flex-end; }
.fac-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); z-index: 9500; background: var(--fac-ink); color: var(--fac-card); padding: 10px 20px; border-radius: 9px; font-size: 13.5px; box-shadow: var(--fac-shadow); }

@media (max-width: 1000px) {
    .fac-hero { grid-template-columns: 1fr; }
    .fac-vs { border-left: 0; border-top: 1px solid var(--fac-line); }
    .fac-hidden, .fac-asks { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    .fac-wrap { padding: 16px 14px 44px; }
    .fac-hero-copy { padding: 24px 17px 20px; }
    .fac-vs { padding: 20px 16px; }
    .fac-hero h1 { font-size: 27px; }
    .fac-form { grid-template-columns: repeat(2, 1fr); }
    .fac-facts { grid-template-columns: repeat(3, 1fr); }
    .fac-fact b { font-size: 14px; }
    .fac-verdict, .fac-summary, .fac-hidden, .fac-asks { grid-template-columns: 1fr; }
    .fac-verdict-side { border-left: 0; border-top: 1px dashed var(--fac-line); padding: 14px 0 0; }
    .fac-sec-note { margin-left: 0; }
    .fac-batch-head { display: none; }
    .fac-batch-row { grid-template-columns: 1fr 1fr; }
    .fac-actions { margin-left: 0; }
    .fac-table { min-width: 720px; }
}
/* 全站共享的「相关推荐」卡片在 390px 下会被长标题撑宽，页面级兜底（不影响其它页面） */
@media (max-width: 640px) {
    .tool-rec-grid { grid-template-columns: minmax(0, 1fr) !important; }
    .tool-rec-item { min-width: 0 !important; width: 100% !important; box-sizing: border-box; }
    .tool-rec-body, .tool-rec-body b, .tool-rec-body small { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
    .tskb-card { overflow-x: auto; }
    .tskb-legend { min-width: 0; width: 100%; table-layout: fixed; }
    .tskb-legend th, .tskb-legend td { overflow-wrap: anywhere; word-break: break-word; white-space: normal; }
    .tskb-tabs { flex-wrap: wrap; }
}
@media print {
    .fac-form, .fac-quick, .fac-actions, .fac-note, .fac-modal, .fac-toast, .fac-batch-del { display: none !important; }
    .fac-page { background: #fff; }
    .fac-hero, .fac-verdict { box-shadow: none; }
}