/* =====================================================================
   食品添加剂查询 · 化验单档案风
   主色：靛青 #0e6f86｜警示橙 #e07b23｜纸底 #f4f8f9
   ===================================================================== */
.fai-page {
    --fai-ink: #16242a;
    --fai-ink-2: #3b5058;
    --fai-ink-3: #64808a;
    --fai-ink-4: #93a9b1;
    --fai-card: #ffffff;
    --fai-card-2: #f5f9fa;
    --fai-line: #d9e6e9;
    --fai-line-2: #e8f0f2;
    --fai-brand: #0e6f86;
    --fai-brand-2: #1491ad;
    --fai-brand-soft: rgba(14, 111, 134, .10);
    --fai-warn: #e07b23;
    --fai-warn-soft: rgba(224, 123, 35, .12);
    --fai-ok: #2f8f5b;
    --fai-shadow: 0 16px 34px -24px rgba(10, 70, 90, .45);
    --fai-mono: ui-monospace, "SFMono-Regular", Consolas, "Cascadia Code", monospace;

    color: var(--fai-ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
:root[data-theme="dark"] .fai-page {
    --fai-ink: #e6f1f4;
    --fai-ink-2: #b3c8d0;
    --fai-ink-3: #8299a2;
    --fai-ink-4: #627a83;
    --fai-card: #131e23;
    --fai-card-2: #18262c;
    --fai-line: #24343b;
    --fai-line-2: #1d2b31;
    --fai-brand: #35b3cd;
    --fai-brand-2: #57c9e0;
    --fai-brand-soft: rgba(53, 179, 205, .14);
    --fai-warn: #f0a35c;
    --fai-warn-soft: rgba(240, 163, 92, .14);
    --fai-ok: #4fc38a;
    --fai-shadow: 0 16px 34px -24px rgba(0, 0, 0, .82);
}

/* ---------- 首屏 ---------- */
.fai-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 430px;
    gap: 26px;
    align-items: center;
    margin-top: 18px;
    padding: 26px 28px;
    border-radius: 22px;
    background:
        linear-gradient(180deg, var(--fai-card), var(--fai-card-2)),
        var(--fai-card);
    border: 1px solid var(--fai-line);
    box-shadow: var(--fai-shadow);
    position: relative;
    overflow: hidden;
}
/* 化验单的横格底纹 */
.fai-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: repeating-linear-gradient(0deg, transparent 0 31px, rgba(14, 111, 134, .05) 31px 32px);
}
.fai-hero > * { position: relative; z-index: 1; }
.fai-kicker {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--fai-brand);
    color: #fff;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .6px;
}
.fai-hero h1 {
    margin: 14px 0 8px;
    font-size: 34px;
    line-height: 1.25;
    color: var(--fai-ink);
    letter-spacing: .5px;
}
.fai-sub {
    margin: 0;
    font-size: 14.5px;
    line-height: 2;
    color: var(--fai-ink-2);
}
.fai-sub b { color: var(--fai-brand); font-weight: 700; }
.fai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.fai-tags span {
    padding: 5px 11px;
    border-radius: 8px;
    background: var(--fai-card);
    border: 1px solid var(--fai-line);
    font-size: 12px;
    color: var(--fai-ink-3);
}

/* ---------- 检索台 ---------- */
.fai-console {
    padding: 16px 17px 18px;
    border-radius: 16px;
    background: var(--fai-card);
    border: 1px solid var(--fai-line);
    box-shadow: var(--fai-shadow);
}
.fai-console-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--fai-ink-2);
}
.fai-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--fai-warn);
    box-shadow: 0 0 0 4px var(--fai-warn-soft);
}
.fai-src { margin-left: auto; font-size: 10px; font-weight: 500; color: var(--fai-ink-4); font-family: var(--fai-mono); }
.fai-form { display: flex; gap: 8px; }
.fai-form input {
    flex: 1;
    min-width: 0;
    height: 44px;
    padding: 0 13px;
    border-radius: 10px;
    border: 1px solid var(--fai-line);
    background: var(--fai-card-2);
    color: var(--fai-ink);
    font-family: inherit;
    font-size: 14.5px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.fai-form input:focus { border-color: var(--fai-brand); box-shadow: 0 0 0 3px var(--fai-brand-soft); }
.fai-go {
    height: 44px;
    padding: 0 20px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--fai-brand), var(--fai-brand-2));
    color: #fff;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .2s, box-shadow .2s;
}
.fai-go:hover { transform: translateY(-2px); box-shadow: 0 10px 20px -12px var(--fai-brand); }
.fai-go[disabled] { opacity: .6; cursor: default; transform: none; }
.fai-quick {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 11px;
    font-size: 12px;
    color: var(--fai-ink-4);
}
.fai-quick button {
    padding: 3px 10px;
    border-radius: 7px;
    border: 1px solid var(--fai-line);
    background: var(--fai-card-2);
    color: var(--fai-ink-2);
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.fai-quick button:hover { border-color: var(--fai-brand); color: var(--fai-brand); }
.fai-err {
    margin: 10px 0 0;
    padding: 8px 11px;
    border-radius: 8px;
    background: var(--fai-warn-soft);
    border: 1px solid rgba(224, 123, 35, .35);
    color: #b35c12;
    font-size: 12.5px;
    line-height: 1.7;
}
:root[data-theme="dark"] .fai-err { color: #f3b985; }

/* ---------- 档案卡 ---------- */
.fai-file {
    margin-top: 22px;
    border-radius: 20px;
    background: var(--fai-card);
    border: 1px solid var(--fai-line);
    box-shadow: var(--fai-shadow);
    overflow: hidden;
}
.fai-file-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 11px 20px;
    background: var(--fai-brand);
    color: #fff;
}
.fai-file-label { font-size: 12px; font-weight: 800; letter-spacing: 1.2px; }
.fai-file-time { font-size: 11px; font-family: var(--fai-mono); opacity: .85; }
.fai-file-body { display: grid; grid-template-columns: 210px minmax(0, 1fr); }
.fai-strip {
    padding: 20px 18px;
    background: var(--fai-card-2);
    border-right: 1px solid var(--fai-line);
    text-align: center;
}
.fai-strip-k {
    display: block;
    font-size: 10.5px;
    letter-spacing: 2px;
    color: var(--fai-ink-4);
    margin-bottom: 4px;
}
.fai-strip-v {
    display: block;
    font-family: var(--fai-mono);
    font-size: 24px;
    line-height: 1.25;
    color: var(--fai-brand);
    word-break: break-all;
    margin-bottom: 16px;
}
.fai-strip-c {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 999px;
    background: var(--fai-brand-soft);
    color: var(--fai-brand);
    font-size: 12.5px;
    font-weight: 700;
}
.fai-strip-uses { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 14px; }
.fai-strip-uses span {
    padding: 2px 9px;
    border-radius: 6px;
    background: var(--fai-card);
    border: 1px solid var(--fai-line);
    font-size: 11.5px;
    color: var(--fai-ink-3);
}
.fai-fields { padding: 20px 22px 22px; }
.fai-field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.fai-field {
    padding: 10px 13px;
    border-radius: 10px;
    background: var(--fai-card-2);
    border: 1px solid var(--fai-line-2);
}
.fai-field span { display: block; font-size: 11px; color: var(--fai-ink-4); margin-bottom: 3px; }
.fai-field b { font-size: 14.5px; color: var(--fai-ink); }
.fai-field--formula b { font-family: var(--fai-mono); font-size: 16px; color: var(--fai-brand); }
.fai-desc {
    margin-bottom: 14px;
    font-size: 13.8px;
    line-height: 2;
    color: var(--fai-ink-2);
    padding: 12px 14px;
    border-left: 3px solid var(--fai-brand);
    background: var(--fai-card-2);
    border-radius: 0 10px 10px 0;
}
.fai-adi {
    padding: 13px 15px;
    border-radius: 12px;
    background: var(--fai-warn-soft);
    border: 1px solid rgba(224, 123, 35, .3);
    margin-bottom: 14px;
}
.fai-adi-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .8px;
    color: var(--fai-warn);
    margin-bottom: 6px;
}
.fai-adi p { margin: 0; font-size: 13.5px; line-height: 1.9; color: var(--fai-ink-2); }
.fai-adi .fai-adi-note { margin-top: 6px; font-size: 12.5px; color: var(--fai-ink-3); }
.fai-meta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.fai-meta { padding: 12px 14px; border-radius: 12px; border: 1px solid var(--fai-line); }
.fai-meta span { display: block; font-size: 11.5px; font-weight: 700; color: var(--fai-brand); margin-bottom: 5px; }
.fai-meta p { margin: 0; font-size: 12.8px; line-height: 1.85; color: var(--fai-ink-2); }
.fai-law { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.fai-law-col { padding: 11px 13px; border-radius: 11px; background: var(--fai-card-2); border: 1px solid var(--fai-line-2); }
.fai-law-col span { display: block; font-size: 12px; font-weight: 700; color: var(--fai-ink); margin-bottom: 5px; }
.fai-law-col p { margin: 0; font-size: 12.2px; line-height: 1.8; color: var(--fai-ink-3); }

/* ---------- AI ---------- */
.fai-ai {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 22px;
    border-top: 1px dashed var(--fai-line);
    background: var(--fai-card-2);
}
.fai-ai-btn {
    height: 36px;
    padding: 0 18px;
    border-radius: 10px;
    border: 1px solid var(--fai-brand);
    background: var(--fai-brand-soft);
    color: var(--fai-brand);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
}
.fai-ai-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -12px var(--fai-brand); }
.fai-ai-btn[disabled] { opacity: .6; cursor: default; transform: none; }
.fai-ai-status { font-size: 11.5px; color: var(--fai-ink-4); }
.fai-ai-box { padding: 0 22px 18px; }
.fai-ai-box p {
    margin: 0 0 8px;
    padding: 10px 13px;
    border-radius: 10px;
    background: var(--fai-card-2);
    border-left: 3px solid var(--fai-brand);
    font-size: 13.3px;
    line-height: 1.95;
    color: var(--fai-ink-2);
}

/* ---------- 速查 ---------- */
.fai-quick-sec { margin-top: 20px; }
.fai-panel {
    padding: 18px 20px 20px;
    border-radius: 20px;
    background: var(--fai-card);
    border: 1px solid var(--fai-line);
    box-shadow: var(--fai-shadow);
}
.fai-panel-head { display: flex; align-items: center; gap: 10px; margin-bottom: 7px; }
.fai-panel-head h2 { margin: 0; font-size: 17px; color: var(--fai-ink); }
.fai-step {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--fai-brand);
    color: #fff;
    font-size: 12.5px;
    font-weight: 800;
}
.fai-tip { margin: 0 0 12px; font-size: 12.5px; color: var(--fai-ink-3); }
.fai-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.fai-chip {
    padding: 9px 8px;
    border-radius: 9px;
    border: 1px solid var(--fai-line);
    background: var(--fai-card-2);
    color: var(--fai-ink-2);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: transform .18s, border-color .18s, color .18s;
}
.fai-chip:hover { transform: translateY(-2px); border-color: var(--fai-brand); color: var(--fai-brand); }

/* ---------- Toast ---------- */
.fai-toast {
    position: fixed;
    left: 50%;
    bottom: 34px;
    transform: translate(-50%, 20px);
    z-index: 9999;
    padding: 10px 18px;
    border-radius: 10px;
    background: rgba(22, 36, 42, .94);
    color: #fff;
    font-size: 13.5px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s, transform .25s, visibility .25s;
}
.fai-toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

@media (max-width: 1080px) {
    .fai-hero { grid-template-columns: minmax(0, 1fr); }
    .fai-file-body { grid-template-columns: minmax(0, 1fr); }
    .fai-strip { border-right: 0; border-bottom: 1px solid var(--fai-line); }
    .fai-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    .fai-hero { padding: 20px 16px; }
    .fai-hero h1 { font-size: 27px; }
    .fai-field-row, .fai-meta-grid, .fai-law { grid-template-columns: minmax(0, 1fr); }
    .fai-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fai-form { flex-direction: column; }
    .fai-go { width: 100%; }
}