/* ==========================================================================
   纸尿裤价格与每片成本对比计算器 /tool/diaper-price-compare-calc
   视觉主题：云朵货架 —— 天空蓝 + 云朵白 + 薄荷 + 柔粉，大圆角云朵卡片
   深浅双主题；深色跟随导航 #themeToggle，页面内不另设开关
   ========================================================================== */

.dpc-page {
    /* ---- 浅色（默认） ---- */
    --dpc-bg: #f0f6fd;
    --dpc-bg-2: #e5effb;
    --dpc-card: #ffffff;
    --dpc-card-2: #f3f8fe;
    --dpc-ink: #1f3550;
    --dpc-ink-2: #54708e;
    --dpc-ink-3: #8ba3bd;
    --dpc-line: #d5e4f4;
    --dpc-line-2: #e3eef9;
    --dpc-sky: #2f7fd1;
    --dpc-sky-2: #4a97e0;
    --dpc-sky-soft: #e0eefb;
    --dpc-mint: #2ba38a;
    --dpc-mint-soft: #e0f4ee;
    --dpc-blush: #d9648f;
    --dpc-blush-soft: #fbe7ee;
    --dpc-amber: #b3742a;
    --dpc-amber-soft: #f7eeda;
    --dpc-shadow: 0 18px 40px rgba(47, 127, 209, .14);
    --dpc-shadow-sm: 0 5px 16px rgba(47, 127, 209, .09);
    --dpc-radius: 20px;
    --dpc-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root[data-theme="dark"] .dpc-page {
    --dpc-bg: #101a28;
    --dpc-bg-2: #13202f;
    --dpc-card: #182536;
    --dpc-card-2: #1d2c40;
    --dpc-ink: #e5edf8;
    --dpc-ink-2: #a5bacc;
    --dpc-ink-3: #7990a7;
    --dpc-line: #29405c;
    --dpc-line-2: #22374f;
    --dpc-sky: #6fb0ef;
    --dpc-sky-2: #8cc4f4;
    --dpc-sky-soft: #1a2c42;
    --dpc-mint: #6cc7ae;
    --dpc-mint-soft: #16302a;
    --dpc-blush: #ef93b4;
    --dpc-blush-soft: #381d28;
    --dpc-amber: #dcae66;
    --dpc-amber-soft: #332715;
    --dpc-shadow: 0 18px 44px rgba(0, 0, 0, .5);
    --dpc-shadow-sm: 0 5px 16px rgba(0, 0, 0, .38);
}

.dpc-page {
    color: var(--dpc-ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    font-variant-numeric: tabular-nums;
    padding: 26px 26px 30px;
    margin-top: 22px;
    background:
        radial-gradient(circle at 14% 12%, rgba(47, 127, 209, .07) 0 46px, transparent 60px),
        radial-gradient(circle at 88% 6%, rgba(217, 100, 143, .06) 0 34px, transparent 48px),
        radial-gradient(circle at 70% 92%, rgba(43, 163, 138, .06) 0 40px, transparent 54px),
        linear-gradient(180deg, var(--dpc-bg-2), var(--dpc-bg));
    border: 1px solid var(--dpc-line);
    border-radius: var(--dpc-radius);
    box-shadow: var(--dpc-shadow);
}

.dpc-page * { box-sizing: border-box; }

.dpc-page h1,
.dpc-page h2,
.dpc-page h3 { margin: 0; line-height: 1.4; }
.dpc-page h1 { font-size: 29px; font-weight: 800; color: var(--dpc-sky); letter-spacing: .2px; }
.dpc-page h2 { font-size: 20px; font-weight: 800; color: var(--dpc-ink); }
.dpc-page h3 { font-size: 15px; font-weight: 700; color: var(--dpc-ink); }

/* ===================== 首屏 ===================== */
.dpc-hero { margin-bottom: 20px; }

.dpc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--dpc-blush);
    background: var(--dpc-blush-soft);
    border: 1px solid var(--dpc-line);
    border-radius: 999px;
    padding: 4px 14px;
    margin-bottom: 12px;
}
.dpc-kicker::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 999px 999px 999px 2px;
    background: var(--dpc-blush);
}

.dpc-lead {
    margin: 10px 0 14px;
    font-size: 15px;
    color: var(--dpc-ink-2);
    max-width: 64ch;
    line-height: 1.85;
}
.dpc-lead b { color: var(--dpc-sky); font-weight: 700; }

.dpc-tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.dpc-tags li {
    font-size: 12px;
    color: var(--dpc-ink-2);
    background: var(--dpc-card);
    border: 1px solid var(--dpc-line);
    border-radius: 999px 999px 999px 3px;
    padding: 3px 12px;
}

/* ===================== 速览卡 ===================== */
.dpc-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}
.dpc-ov-card {
    background: var(--dpc-card);
    border: 1px solid var(--dpc-line);
    border-radius: 16px 16px 16px 6px;
    padding: 14px 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    box-shadow: var(--dpc-shadow-sm);
}
.dpc-ov-label { font-size: 12px; color: var(--dpc-ink-3); }
.dpc-ov-val { font-family: var(--dpc-mono); font-size: 25px; font-weight: 700; color: var(--dpc-ink); line-height: 1.3; }
.dpc-ov-card.is-main .dpc-ov-val { color: var(--dpc-sky); }
.dpc-ov-card.is-save .dpc-ov-val { color: var(--dpc-mint); }
.dpc-ov-card.is-warn .dpc-ov-val { color: var(--dpc-blush); }
.dpc-ov-unit { font-size: 11px; color: var(--dpc-ink-3); }

/* ===================== 预置示例 ===================== */
.dpc-presets { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.dpc-presets-label { font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--dpc-ink-3); }
.dpc-presets button {
    font: inherit;
    font-size: 13px;
    color: var(--dpc-sky);
    background: var(--dpc-card);
    border: 1px solid var(--dpc-line);
    border-radius: 999px 999px 999px 3px;
    padding: 5px 14px;
    cursor: pointer;
    transition: all .15s ease;
}
.dpc-presets button:hover { border-color: var(--dpc-sky); background: var(--dpc-sky-soft); }

/* ===================== 校验条 ===================== */
.dpc-errbar {
    border-radius: 12px;
    border: 1px solid var(--dpc-blush);
    background: var(--dpc-blush-soft);
    color: var(--dpc-blush);
    font-size: 13px;
    line-height: 1.7;
    padding: 10px 14px;
    margin-bottom: 16px;
}
.dpc-errbar.is-warn { border-color: var(--dpc-amber); background: var(--dpc-amber-soft); color: var(--dpc-amber); }
.dpc-errbar ul { margin: 0; padding-left: 18px; }

/* ===================== 面板 ===================== */
.dpc-panel {
    background: var(--dpc-card);
    border: 1px solid var(--dpc-line);
    border-radius: 16px;
    padding: 22px 24px;
    margin-bottom: 18px;
    box-shadow: var(--dpc-shadow-sm);
}
.dpc-panel-head { margin-bottom: 16px; }
.dpc-pk {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--dpc-card);
    background: var(--dpc-sky);
    border-radius: 999px 999px 999px 3px;
    padding: 2px 12px;
    margin-bottom: 8px;
}
.dpc-panel-head h2 { margin-bottom: 4px; }
.dpc-panel-head p { margin: 0; font-size: 13px; color: var(--dpc-ink-2); }

/* ===================== 表单 ===================== */
.dpc-grid { display: grid; gap: 12px; }
.dpc-grid--4 { grid-template-columns: repeat(4, 1fr); }
.dpc-field { display: flex; flex-direction: column; gap: 5px; }
.dpc-label { font-size: 13px; font-weight: 600; color: var(--dpc-ink-2); }
.dpc-unit { font-size: 11px; font-weight: 400; color: var(--dpc-ink-3); }
.dpc-input {
    font: inherit;
    font-size: 14px;
    color: var(--dpc-ink);
    background: var(--dpc-card-2);
    border: 1px solid var(--dpc-line);
    border-radius: 10px;
    padding: 8px 12px;
    width: 100%;
    outline: none;
    transition: border-color .15s ease;
}
.dpc-input:focus { border-color: var(--dpc-sky); }
.dpc-mono { font-family: var(--dpc-mono); }
.dpc-select {
    font: inherit;
    font-size: 14px;
    color: var(--dpc-ink);
    background: var(--dpc-card-2);
    border: 1px solid var(--dpc-line);
    border-radius: 10px;
    padding: 8px 12px;
    width: 100%;
    outline: none;
}

/* ===================== 品牌台账 ===================== */
.dpc-table-wrap { overflow-x: auto; border: 1px solid var(--dpc-line); border-radius: 14px; }
.dpc-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 940px; }
.dpc-table th, .dpc-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--dpc-line-2); white-space: nowrap; }
.dpc-table th {
    font-size: 12px;
    color: var(--dpc-ink-2);
    background: var(--dpc-sky-soft);
    font-weight: 700;
}
.dpc-table td { color: var(--dpc-ink); }
.dpc-table .dpc-mono { font-family: var(--dpc-mono); }
.dpc-table tbody tr:hover { background: var(--dpc-card-2); }
.dpc-table tbody tr:last-child td { border-bottom: none; }
.dpc-table tbody tr.is-current { background: var(--dpc-sky-soft); }
.dpc-table tbody tr.is-best td.is-hero { color: var(--dpc-mint); font-weight: 700; }
.dpc-op { white-space: nowrap; }

.dpc-table .dpc-input, .dpc-table .dpc-select {
    font-size: 13px;
    padding: 5px 8px;
    border-radius: 8px;
    background: var(--dpc-card);
}
.dpc-table .cell-name { min-width: 130px; }
.dpc-table .cell-num { width: 88px; }
.dpc-table td.is-calc { font-family: var(--dpc-mono); color: var(--dpc-ink-2); }
.dpc-table td.is-hero { font-family: var(--dpc-mono); font-weight: 700; color: var(--dpc-sky); }

.dpc-use {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-size: 12px;
    color: var(--dpc-ink-2);
    user-select: none;
}
.dpc-use input { accent-color: var(--dpc-sky); cursor: pointer; margin: 0; }
.dpc-use input:checked + span { color: var(--dpc-sky); font-weight: 700; }

.dpc-del {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    border: none;
    background: var(--dpc-blush-soft);
    color: var(--dpc-blush);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}
.dpc-del:hover { background: var(--dpc-blush); color: #fff; }
.dpc-table .empty-row td { text-align: center; color: var(--dpc-ink-3); padding: 18px 0; }

.dpc-item-bar { display: flex; align-items: center; gap: 14px; margin-top: 12px; flex-wrap: wrap; }
.dpc-mini-btn {
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    color: var(--dpc-sky);
    background: var(--dpc-sky-soft);
    border: 1px dashed var(--dpc-sky);
    border-radius: 999px;
    padding: 4px 13px;
    cursor: pointer;
    transition: all .15s ease;
}
.dpc-mini-btn:hover { background: var(--dpc-sky); color: var(--dpc-card); }
.dpc-item-sum { font-size: 13px; color: var(--dpc-ink-2); }
.dpc-item-sum b { font-family: var(--dpc-mono); color: var(--dpc-sky); }

/* ===================== 结论卡 ===================== */
.dpc-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 12px; }
.dpc-fact {
    background: var(--dpc-card-2);
    border: 1px solid var(--dpc-line-2);
    border-radius: 14px 14px 14px 5px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--dpc-ink-2);
}
.dpc-fact b { color: var(--dpc-sky); font-family: var(--dpc-mono); }
.dpc-fact.is-tip { border-left: 3px solid var(--dpc-blush); }
.dpc-fact.is-save { border-left: 3px solid var(--dpc-mint); }
.dpc-fact.is-save b { color: var(--dpc-mint); }
.dpc-fact.is-amber { border-left: 3px solid var(--dpc-amber); }
.dpc-fact.is-amber b { color: var(--dpc-amber); }

/* ===================== 按钮 ===================== */
.dpc-btn {
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    color: var(--dpc-ink);
    background: var(--dpc-card);
    border: 1px solid var(--dpc-line);
    border-radius: 12px;
    padding: 9px 18px;
    cursor: pointer;
    transition: all .15s ease;
}
.dpc-btn:hover { border-color: var(--dpc-sky); color: var(--dpc-sky); }
.dpc-btn--primary { background: var(--dpc-sky); border-color: var(--dpc-sky); color: #fff; }
.dpc-btn--primary:hover { background: var(--dpc-sky-2); border-color: var(--dpc-sky-2); color: #fff; }
.dpc-btn--ghost { background: transparent; }
.dpc-actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ===================== CSV 预览 ===================== */
.dpc-pre {
    margin: 0;
    background: var(--dpc-card-2);
    border: 1px solid var(--dpc-line-2);
    border-radius: 14px;
    padding: 14px 16px;
    font-family: var(--dpc-mono);
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--dpc-ink-2);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 380px;
    overflow: auto;
}

/* ===================== FAQ ===================== */
.dpc-faq { display: flex; flex-direction: column; gap: 10px; }
.dpc-faq-item {
    background: var(--dpc-card-2);
    border: 1px solid var(--dpc-line-2);
    border-radius: 14px;
    overflow: hidden;
}
.dpc-faq-item summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    color: var(--dpc-ink);
    padding: 12px 16px;
    list-style: none;
    position: relative;
    padding-right: 40px;
}
.dpc-faq-item summary::-webkit-details-marker { display: none; }
.dpc-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dpc-sky);
    font-size: 18px;
    font-weight: 800;
}
.dpc-faq-item[open] summary::after { content: "−"; }
.dpc-faq-a { padding: 0 16px 14px; font-size: 13px; line-height: 1.9; color: var(--dpc-ink-2); }
.dpc-faq-a b { color: var(--dpc-sky); }

/* ===================== 留言板 / Toast ===================== */
.dpc-comments { margin-bottom: 20px; }

.dpc-toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%) translateY(16px);
    background: rgba(31, 53, 80, .95);
    color: #fff;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 12px;
    opacity: 0;
    pointer-events: none;
    transition: all .3s ease;
    z-index: 9999;
    max-width: 86vw;
}
.dpc-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===================== 响应式 ===================== */
@media (max-width: 1080px) {
    .dpc-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .dpc-overview { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
    .dpc-page { padding: 20px 16px 24px; }
    .dpc-page h1 { font-size: 24px; }
}
@media (max-width: 620px) {
    .dpc-grid--4 { grid-template-columns: 1fr 1fr; }
    .dpc-overview { grid-template-columns: 1fr; }
}

/* ===================== 打印样式：A4 对比单 ===================== */
.dpc-sheet { display: none; }

@media print {
    body > *:not(.detail-wrap) { display: none !important; }
    .detail-wrap .container > *:not(.dpc-sheet) { display: none !important; }
    .dpc-sheet {
        display: block !important;
        color: #000;
        font-size: 12px;
        line-height: 1.8;
    }
    .dpc-sheet h1 { font-size: 20px; color: #000; margin: 0 0 4px; }
    .dpc-sheet .dpc-sheet-meta { font-size: 11px; color: #444; margin-bottom: 14px; }
    .dpc-sheet table { width: 100%; border-collapse: collapse; margin-bottom: 14px; }
    .dpc-sheet th, .dpc-sheet td { border: 1px solid #999; padding: 5px 8px; text-align: left; }
    .dpc-sheet th { background: #eee; }
    .dpc-sheet .dpc-sheet-note { margin-top: 18px; color: #333; font-size: 11px; }
    .dpc-toast, .dpc-comments, .dpc-errbar { display: none !important; }
}