/* ============ 一人食配菜与营养配比计算器 · 餐盘风 ============ */
.mbc-page {
    --mbc-green: #3a7d44;
    --mbc-leaf: #6bbf59;
    --mbc-cream: #fffaf0;
    --mbc-plate: #f4ede0;
    --mbc-ink: #2c2a22;
    --mbc-card: #fffdf9;
    --mbc-line: #ece2d2;
    --mbc-orange: #e08a3c;
    --mbc-tomato: #d9534f;
    --mbc-muted: #8a8270;
    --mbc-shadow: 0 10px 30px rgba(90,70,30,.10);
    color: var(--mbc-ink);
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
    max-width: 1180px; margin: 0 auto; padding: 8px 0 40px;
}
.mbc-page * { box-sizing: border-box; }
.mbc-page h1, .mbc-page h2, .mbc-page h3 { line-height: 1.25; letter-spacing: -.01em; }

.mbc-hero {
    display: grid; grid-template-columns: 1.55fr .95fr; gap: 26px;
    background: linear-gradient(135deg, #f3faf0 0%, #eaf6e6 50%, #fdf3e3 100%);
    border: 1px solid #e2eccf; border-radius: 22px; padding: 34px 34px 30px;
    box-shadow: var(--mbc-shadow); position: relative; overflow: hidden;
}
.mbc-hero::after { content: ""; position: absolute; left: -30px; bottom: -40px; width: 180px; height: 180px; background: radial-gradient(circle, rgba(107,191,89,.20), transparent 70%); border-radius: 50%; }
.mbc-hero-copy { position: relative; z-index: 1; }
.mbc-kicker { display: inline-block; font-size: 12.5px; letter-spacing: .08em; color: #2f6b39; background: #fff; border: 1px solid #cfe6c4; padding: 5px 12px; border-radius: 999px; margin-bottom: 14px; }
.mbc-hero h1 { font-size: 32px; margin: 0 0 14px; color: #2c3a22; font-weight: 800; }
.mbc-hero h1 em { font-style: normal; color: var(--mbc-green); }
.mbc-lead { font-size: 15px; line-height: 1.85; color: #51533f; margin: 0 0 16px; }
.mbc-lead b { color: #2c3a22; font-weight: 600; }
.mbc-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 20px; }
.mbc-tags li { font-size: 12.5px; color: #3f7a35; background: #fff; border: 1px solid #cfe6c4; padding: 5px 11px; border-radius: 8px; }
.mbc-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.mbc-hero-note { font-size: 12.5px; color: var(--mbc-muted); margin: 0; }

.mbc-btn { font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid var(--mbc-line); background: #fff; color: var(--mbc-ink); padding: 10px 16px; border-radius: 10px; transition: transform .12s, box-shadow .12s, background .12s; }
.mbc-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(90,70,30,.14); }
.mbc-btn--primary { background: var(--mbc-green); border-color: var(--mbc-green); color: #fff; }
.mbc-btn--primary:hover { background: #2f6b39; }
.mbc-btn--ghost { background: transparent; }
.mbc-btn--amber { background: var(--mbc-orange); border-color: var(--mbc-orange); color: #4a2c00; }

.mbc-verdict { position: relative; z-index: 1; background: #fff; border-radius: 16px; padding: 18px; box-shadow: 0 12px 30px rgba(70,90,30,.16); align-self: start; border: 1px solid #e2eccf; }
.mbc-verdict-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--mbc-muted); }
.mbc-badge { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: #e6f3df; color: #2f6b39; }
.mbc-verdict-rows { display: grid; gap: 8px; margin-top: 12px; }
.mbc-vrow { display: flex; justify-content: space-between; font-size: 13.5px; padding: 7px 10px; background: #f6faf2; border-radius: 8px; }
.mbc-vrow b { font-variant-numeric: tabular-nums; }
.mbc-ratio { display: flex; height: 14px; border-radius: 999px; overflow: hidden; margin: 12px 0 8px; background: #eee; }
.mbc-ratio i { display: block; height: 100%; }
.mbc-ratio .r-staple { background: var(--mbc-orange); }
.mbc-ratio .r-protein { background: var(--mbc-tomato); }
.mbc-ratio .r-veg { background: var(--mbc-leaf); }
.mbc-verdict-tip { font-size: 12.5px; color: var(--mbc-muted); line-height: 1.6; }

.mbc-panel { background: var(--mbc-card); border: 1px solid var(--mbc-line); border-radius: 18px; padding: 24px; margin-top: 20px; box-shadow: var(--mbc-shadow); }
.mbc-panel-head { margin-bottom: 18px; }
.mbc-step { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 9px; background: var(--mbc-green); color: #fff; font-weight: 800; font-size: 13px; margin-right: 10px; vertical-align: middle; }
.mbc-panel-head h2 { display: inline; font-size: 20px; color: #2c3a22; font-weight: 800; vertical-align: middle; }
.mbc-panel-head p { font-size: 13.5px; color: var(--mbc-muted); line-height: 1.75; margin: 10px 0 0; }
.mbc-panel-head p b { color: var(--mbc-ink); font-weight: 600; }

.mbc-form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mbc-field { display: flex; flex-direction: column; gap: 6px; }
.mbc-label { font-size: 13px; font-weight: 600; color: var(--mbc-ink); }
.mbc-label small { font-weight: 400; color: var(--mbc-muted); margin-left: 4px; }
.mbc-input-row { display: flex; align-items: center; border: 1px solid var(--mbc-line); border-radius: 10px; background: #fffdf9; overflow: hidden; }
.mbc-input { flex: 1; border: 0; outline: none; background: transparent; padding: 11px 12px; font: inherit; font-size: 15px; color: var(--mbc-ink); width: 100%; font-variant-numeric: tabular-nums; }
.mbc-input:focus { background: #fff; }
.mbc-unit { padding: 0 12px; font-size: 13px; color: var(--mbc-muted); background: #f1ead9; align-self: stretch; display: flex; align-items: center; border-left: 1px solid var(--mbc-line); }

.mbc-seg { display: inline-flex; border: 1px solid var(--mbc-line); border-radius: 10px; overflow: hidden; }
.mbc-seg button { font: inherit; font-size: 14px; border: 0; background: #fffdf9; color: var(--mbc-ink); padding: 10px 18px; cursor: pointer; border-right: 1px solid var(--mbc-line); }
.mbc-seg button:last-child { border-right: 0; }
.mbc-seg button.on { background: var(--mbc-green); color: #fff; font-weight: 700; }

.mbc-errbar { margin-top: 16px; background: #fdecea; border: 1px solid #f6c5bd; color: #b3371f; padding: 12px 16px; border-radius: 12px; font-size: 13.5px; line-height: 1.6; }
.mbc-errbar[hidden] { display: none; }

.mbc-meals { display: grid; gap: 14px; }
.mbc-meal { border: 1px solid var(--mbc-line); border-radius: 14px; padding: 14px 16px; background: #fffdf9; }
.mbc-meal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mbc-meal-head h3 { margin: 0; font-size: 15px; color: #2c3a22; }
.mbc-meal-kpi { font-size: 12.5px; color: var(--mbc-muted); }
.mbc-meal-kpi b { color: var(--mbc-ink); }
.mbc-dishes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mbc-dish { border: 1px dashed var(--mbc-line); border-radius: 10px; padding: 10px; text-align: center; }
.mbc-dish .dt { font-size: 11.5px; color: var(--mbc-muted); }
.mbc-dish .dn { font-size: 14px; font-weight: 700; color: #2c3a22; margin: 3px 0; }
.mbc-dish .dv { font-size: 12px; color: var(--mbc-muted); font-variant-numeric: tabular-nums; }

.mbc-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.mbc-scard { border: 1px solid var(--mbc-line); border-radius: 12px; padding: 12px; background: #f6faf2; text-align: center; }
.mbc-scard span { display: block; font-size: 12px; color: var(--mbc-muted); }
.mbc-scard b { font-size: 20px; color: #2c3a22; font-variant-numeric: tabular-nums; }
.mbc-scard em { font-style: normal; font-size: 12px; color: var(--mbc-green); }

.mbc-ratiobars { margin-top: 14px; }
.mbc-ratiobars .lbl { font-size: 13px; color: var(--mbc-muted); margin-bottom: 6px; }
.mbc-ratiobars .bar { height: 16px; border-radius: 999px; overflow: hidden; display: flex; background: #eee; }
.mbc-ratiobars .bar i { height: 100%; }

.mbc-price-wrap { margin-top: 12px; overflow-x: auto; }
.mbc-price { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 520px; }
.mbc-price th, .mbc-price td { border: 1px solid var(--mbc-line); padding: 8px 10px; text-align: center; }
.mbc-price th { background: #f1ead9; color: #4a4326; font-weight: 700; }
.mbc-price input { width: 70px; border: 1px solid var(--mbc-line); border-radius: 7px; padding: 5px 7px; font: inherit; font-size: 13px; text-align: center; }

.mbc-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.mbc-pre { background: #1f2a17; color: #dfeccf; border-radius: 12px; padding: 16px; font-size: 13.5px; line-height: 1.8; white-space: pre-wrap; word-break: break-word; font-family: "SFMono-Regular", Consolas, "PingFang SC", monospace; }
.mbc-pre--ai { min-height: 60px; }

.mbc-faq { display: grid; gap: 10px; }
.mbc-faq-item { border: 1px solid var(--mbc-line); border-radius: 12px; background: #fffdf9; overflow: hidden; }
.mbc-faq-item summary { cursor: pointer; padding: 14px 16px; font-weight: 600; font-size: 14.5px; color: #2c3a22; list-style: none; }
.mbc-faq-item summary::-webkit-details-marker { display: none; }
.mbc-faq-item summary::after { content: "＋"; float: right; color: var(--mbc-green); font-weight: 800; }
.mbc-faq-item[open] summary::after { content: "－"; }
.mbc-faq-a { padding: 0 16px 16px; font-size: 13.5px; color: var(--mbc-ink); line-height: 1.8; }

.mbc-rel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mbc-rel { display: flex; gap: 12px; align-items: center; text-decoration: none; border: 1px solid var(--mbc-line); border-radius: 14px; padding: 14px; background: #fffdf9; transition: transform .12s, box-shadow .12s; }
.mbc-rel:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(90,70,30,.12); }
.mbc-rel i { font-size: 24px; }
.mbc-rel b { display: block; color: #2c3a22; font-size: 14px; }
.mbc-rel small { color: var(--mbc-muted); font-size: 12px; }

.mbc-comments { margin-top: 22px; }

.mbc-sheet { display: none; }
.mbc-sheet.mbc-printing { display: block; padding: 20px; background: #fff; color: #111; }
.mbc-sheet h2 { font-size: 18px; margin: 0 0 12px; }
.mbc-sheet table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mbc-sheet th, .mbc-sheet td { border: 1px solid #ccc; padding: 7px 8px; text-align: center; }
.mbc-sheet th { background: #f1ead9; }

.mbc-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: #1f2a17; color: #fff; padding: 11px 20px; border-radius: 10px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 9999; }
.mbc-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 940px) {
    .mbc-hero { grid-template-columns: 1fr; }
    .mbc-form-grid { grid-template-columns: repeat(2, 1fr); }
    .mbc-summary, .mbc-rel-grid { grid-template-columns: repeat(2, 1fr); }
    .mbc-dishes { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .mbc-hero { padding: 24px 18px; }
    .mbc-hero h1 { font-size: 25px; }
    .mbc-panel { padding: 18px 14px; }
    .mbc-form-grid { grid-template-columns: 1fr; }
    .mbc-summary { grid-template-columns: 1fr 1fr; }
}

:root[data-theme="dark"] .mbc-page {
    --mbc-cream: #16180f;
    --mbc-plate: #20231a;
    --mbc-ink: #eee9da;
    --mbc-card: #1d2016;
    --mbc-line: #34382a;
    --mbc-muted: #b3ad97;
    --mbc-shadow: 0 10px 30px rgba(0,0,0,.45);
}
:root[data-theme="dark"] .mbc-page .mbc-hero { background: linear-gradient(135deg, #1a2413 0%, #1d281a 55%, #242014 100%); border-color: #34382a; }
:root[data-theme="dark"] .mbc-page .mbc-hero h1,
:root[data-theme="dark"] .mbc-page .mbc-panel-head h2,
:root[data-theme="dark"] .mbc-page .mbc-verdict-name,
:root[data-theme="dark"] .mbc-page .mbc-meal-head h3,
:root[data-theme="dark"] .mbc-page .mbc-rel b,
:root[data-theme="dark"] .mbc-page .mbc-dish .dn { color: #eee9da; }
:root[data-theme="dark"] .mbc-page .mbc-kicker,
:root[data-theme="dark"] .mbc-page .mbc-tags li { background: #20231a; border-color: #3a4a2a; color: #a9d493; }
:root[data-theme="dark"] .mbc-page .mbc-input-row,
:root[data-theme="dark"] .mbc-page .mbc-input { background: #16180f; }
:root[data-theme="dark"] .mbc-page .mbc-unit,
:root[data-theme="dark"] .mbc-page .mbc-price th,
:root[data-theme="dark"] .mbc-page .mbc-sheet th { background: #20231a; }
:root[data-theme="dark"] .mbc-page .mbc-seg button { background: #20231a; color: #eee9da; }
:root[data-theme="dark"] .mbc-page .mbc-seg button.on { background: var(--mbc-green); color: #fff; }
:root[data-theme="dark"] .mbc-page .mbc-btn { background: #20231a; color: #eee9da; border-color: #34382a; }
:root[data-theme="dark"] .mbc-page .mbc-btn--primary { background: var(--mbc-green); color: #fff; }
:root[data-theme="dark"] .mbc-page .mbc-btn--amber { background: var(--mbc-orange); color: #4a2c00; }
:root[data-theme="dark"] .mbc-page .mbc-verdict,
:root[data-theme="dark"] .mbc-page .mbc-meal,
:root[data-theme="dark"] .mbc-page .mbc-scard,
:root[data-theme="dark"] .mbc-page .mbc-faq-item,
:root[data-theme="dark"] .mbc-page .mbc-rel { background: #1a1d13; }
:root[data-theme="dark"] .mbc-page .mbc-vrow,
:root[data-theme="dark"] .mbc-page .mbc-dish { background: #20231a; }
:root[data-theme="dark"] .mbc-page .mbc-pre { background: #0c0f08; }