/* ==========================================================================
   宝宝月龄与矫正月龄 · 页面专属样式
   视觉：两张并排的「年龄卡」+ 一条 0～24 个月矫正进度尺 + 阶段清单。
   颜色走 --d3-* 令牌，深色主题自动生效。前缀统一 bca-
   ========================================================================== */

/* 深色下 #2f7d6a 偏暗，配深色文字对比不足，提亮一档 */
html[data-theme="dark"] {
    --d3-accent: #4fa88f;
    --d3-accent-rgb: 79, 168, 143;
}

/* ---------- 1. 布局 ---------- */
/* 标题较长，放宽行宽避免「看」字单独掉行 */
.d3-h1 { max-width: 24em; }

.bca-builder { margin-top: 26px; overflow: visible; }

.bca-stage {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 18px;
    align-items: start;
    margin-top: 20px;
}

.bca-stage > * { min-width: 0; }

.bca-card {
    padding: 16px 18px 17px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

/* ---------- 2. 表单 ---------- */
.bca-fields {
    display: grid;
    grid-template-columns:
        minmax(0, .92fr) minmax(0, .92fr) minmax(0, 1.02fr) minmax(0, 1.14fr);
    gap: 12px 14px;
    align-items: end;
}

.bca-fields .span-2 { grid-column: 1 / -1; }

/* 标签行：左侧标题 + 右侧「今天」小按钮 */
.bca-lab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.bca-lab > label,
#bcaPanelEdd > label {
    display: block;
    font-size: var(--d3-fs-label);
    font-weight: 600;
    color: var(--d3-ink-2);
    margin: 0;
}

#bcaPanelEdd > label { margin-bottom: 6px; }

.bca-mini {
    appearance: none;
    font: inherit;
    font-size: 11px;
    font-weight: 650;
    line-height: 1;
    padding: 4px 9px;
    border-radius: 999px;
    border: 1px solid var(--d3-line-2);
    background: var(--d3-paper-2);
    color: var(--d3-ink-3);
    cursor: pointer;
    transition: border-color .14s ease, color .14s ease;
}

.bca-mini:hover { border-color: var(--d3-accent); color: var(--d3-accent); }

.bca-field > label,
.bca-label {
    display: block;
    font-size: var(--d3-fs-label);
    font-weight: 600;
    color: var(--d3-ink-2);
    margin-bottom: 6px;
}

/* 输入方式：两枚胶囊 */
.bca-mode {
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 43px;
    padding: 3px;
    border: 1px solid var(--d3-line-2);
    border-radius: 999px;
    background: var(--d3-paper-2);
}

.bca-mode input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.bca-mode label {
    flex: 1;
    text-align: center;
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1;
    padding: 8px 10px;
    border-radius: 999px;
    color: var(--d3-ink-3);
    white-space: nowrap;
    transition: background .14s ease, color .14s ease;
}

.bca-mode input:checked + label {
    background: var(--d3-accent);
    color: var(--d3-accent-ink);
}

.bca-mode input:focus-visible + label {
    outline: 2px solid rgba(var(--d3-accent-rgb), .55);
    outline-offset: 2px;
}

.bca-gest {
    display: flex;
    gap: 8px;
    align-items: center;
}

.bca-gest .d3-io { flex: 1; }

.bca-sub {
    margin: 12px 0 0;
    font-size: 12px;
    line-height: 1.7;
    color: var(--d3-ink-3);
}

.bca-sub b { color: var(--d3-ink-2); font-weight: 650; }

.bca-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px dashed var(--d3-line);
}

.bca-btn {
    appearance: none;
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    line-height: 1.2;
    padding: 9px 16px;
    border-radius: var(--d3-radius-sm);
    border: 1px solid var(--d3-accent);
    background: var(--d3-accent);
    color: var(--d3-accent-ink);
    cursor: pointer;
    white-space: nowrap;
    transition: filter .15s ease, border-color .15s ease, color .15s ease;
}

.bca-btn:hover { filter: brightness(1.06); }

.bca-btn-ghost {
    background: var(--d3-card);
    border-color: var(--d3-line-2);
    color: var(--d3-ink-2);
    font-weight: 600;
    font-size: 12.5px;
    padding: 9px 13px;
}

.bca-btn-ghost:hover {
    filter: none;
    border-color: var(--d3-accent);
    color: var(--d3-accent);
}

.bca-err {
    margin: 10px 0 0;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--d3-bad);
}
.bca-err[hidden] { display: none; }

/* ---------- 3. 双年龄卡 ---------- */
.bca-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.bca-age {
    position: relative;
    padding: 14px 16px 15px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.bca-age.is-corr {
    border-color: rgba(var(--d3-accent-rgb), .45);
    box-shadow: inset 0 0 0 1px rgba(var(--d3-accent-rgb), .12);
}

.bca-age.is-corr::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--d3-accent);
}

.bca-age-kicker {
    display: block;
    font-family: var(--d3-mono);
    font-size: 10px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--d3-ink-3);
}

.bca-age-big {
    margin: 6px 0 0;
    font-family: var(--d3-mono);
    font-variant-numeric: tabular-nums;
    font-size: clamp(23px, 2.7vw, 31px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.03em;
    color: var(--d3-ink);
}

.bca-age.is-corr .bca-age-big { color: var(--d3-accent); }

.bca-age-sub {
    margin: 6px 0 0;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--d3-ink-3);
}

/* 差值 */
.bca-gap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 0 0;
    font-family: var(--d3-mono);
    font-size: 12px;
    color: var(--d3-ink-3);
}

.bca-gap::before,
.bca-gap::after {
    content: "";
    height: 1px;
    flex: 1;
    background: repeating-linear-gradient(to right,
        var(--d3-line-2) 0 5px, transparent 5px 10px);
}

.bca-badge {
    font-family: var(--d3-mono);
    font-size: 11px;
    font-weight: 650;
    line-height: 1;
    padding: 5px 8px;
    border-radius: 999px;
    border: 1px solid var(--d3-line-2);
    color: var(--d3-ink-3);
    white-space: nowrap;
}

.bca-badge.is-ok { border-color: rgba(29, 107, 79, .38); color: var(--d3-ok); background: rgba(29, 107, 79, .07); }
.bca-badge.is-warn { border-color: rgba(168, 84, 26, .42); color: var(--d3-warn); background: rgba(168, 84, 26, .08); }
.bca-badge.is-bad { border-color: rgba(176, 42, 36, .42); color: var(--d3-bad); background: rgba(176, 42, 36, .08); }

.bca-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.bca-head h2 {
    margin: 0;
    font-size: 13px;
    font-weight: 650;
    color: var(--d3-ink-2);
    letter-spacing: 0;
}

/* ---------- 4. 矫正进度尺 ---------- */
.bca-track-wrap { margin-top: 14px; }

.bca-track {
    position: relative;
    height: 10px;
    margin: 4px 0 0;
    border-radius: 999px;
    background: var(--d3-paper-2);
    border: 1px solid var(--d3-line);
    overflow: visible;
}

.bca-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(to right,
        rgba(var(--d3-accent-rgb), .55), var(--d3-accent));
    transition: width .3s ease;
}

.bca-dot {
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    margin-left: -8px;
    border-radius: 50%;
    background: var(--d3-card);
    border: 2.5px solid var(--d3-accent);
    transform: translateY(-50%);
    transition: left .3s ease;
    box-shadow: 0 0 0 3px rgba(var(--d3-accent-rgb), .14);
}

.bca-dot[hidden] { display: none; }

.bca-ticks {
    position: relative;
    height: 26px;
    margin-top: 6px;
}

.bca-tick {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    font-family: var(--d3-mono);
    font-size: 10.5px;
    line-height: 1.3;
    color: var(--d3-ink-3);
    text-align: center;
    white-space: nowrap;
}

.bca-tick::before {
    content: "";
    display: block;
    width: 1px;
    height: 5px;
    margin: 0 auto 3px;
    background: var(--d3-line-2);
}

.bca-tick.is-end {
    transform: translateX(-100%);
    text-align: right;
}

.bca-tick.is-end::before { margin-right: 0; margin-left: auto; }

.bca-track-note {
    margin: 2px 0 0;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--d3-ink-3);
}

/* ---------- 5. 指标 ---------- */
.bca-kv {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    background: var(--d3-line);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.bca-kv > div { padding: 9px 13px 10px; background: var(--d3-card); min-width: 0; }

/* 项数为奇数时最后一项占满整行，避免右下露出网格线底色 */
.bca-kv > div:last-child:nth-child(odd) { grid-column: 1 / -1; }

.bca-kv dt {
    font-size: 11.5px;
    color: var(--d3-ink-3);
    margin-bottom: 3px;
}

.bca-kv dd {
    margin: 0;
    font-family: var(--d3-mono);
    font-variant-numeric: tabular-nums;
    font-size: 14px;
    font-weight: 650;
    color: var(--d3-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- 6. 提示 ---------- */
.bca-alerts { display: grid; gap: 8px; margin-top: 12px; }
.bca-alerts:empty { display: none; }

.bca-alert {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 8px 11px;
    font-size: 12.5px;
    line-height: 1.6;
    border-radius: var(--d3-radius-sm);
    border: 1px solid var(--d3-line-2);
    background: var(--d3-paper-2);
    color: var(--d3-ink-2);
}

.bca-alert::before {
    content: "";
    flex: none;
    width: 6px;
    height: 6px;
    margin-top: 6px;
    border-radius: 50%;
    background: var(--d3-ink-3);
}

.bca-alert.is-ok { border-color: rgba(29, 107, 79, .34); background: rgba(29, 107, 79, .06); color: var(--d3-ok); }
.bca-alert.is-ok::before { background: var(--d3-ok); }
.bca-alert.is-warn { border-color: rgba(168, 84, 26, .4); background: rgba(168, 84, 26, .07); color: var(--d3-warn); }
.bca-alert.is-warn::before { background: var(--d3-warn); }
.bca-alert.is-bad { border-color: rgba(176, 42, 36, .38); background: rgba(176, 42, 36, .07); color: var(--d3-bad); }
.bca-alert.is-bad::before { background: var(--d3-bad); }

/* ---------- 7. 节点表 ---------- */
.bca-nodes td:first-child { white-space: nowrap; }
.bca-nodes td:first-child b { font-weight: 650; color: var(--d3-ink); }
.bca-nodes td:first-child small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--d3-ink-3);
}
.bca-nodes td:nth-child(2),
.bca-nodes td:nth-child(3) { font-family: var(--d3-mono); white-space: nowrap; }
.bca-nodes td:last-child { color: var(--d3-ink-2); font-size: 12.5px; }
.bca-nodes tr.is-past { opacity: .5; }
.bca-nodes tr.is-today td { color: var(--d3-accent); font-weight: 650; }
.bca-td-empty {
    text-align: center;
    color: var(--d3-ink-3);
    font-size: 12.5px;
    padding: 18px 0;
}

/* ---------- 8. 阶段清单 ---------- */
.bca-miles {
    list-style: none;
    display: grid;
    gap: 8px;
    margin: 16px 0 0;
    padding: 0;
}

.bca-mile {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 11px 14px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius-sm);
}

.bca-mile-age {
    font-family: var(--d3-mono);
    font-size: 12px;
    font-weight: 650;
    color: var(--d3-ink-3);
    white-space: nowrap;
}

.bca-mile ul {
    margin: 0;
    padding-left: 15px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--d3-ink-2);
}

.bca-mile ul li + li { margin-top: 2px; }

.bca-mile.is-past { opacity: .55; }

.bca-mile.is-now {
    border-color: rgba(var(--d3-accent-rgb), .5);
    background: rgba(var(--d3-accent-rgb), .05);
    box-shadow: 0 0 0 3px rgba(var(--d3-accent-rgb), .09);
}

.bca-mile.is-now .bca-mile-age { color: var(--d3-accent); }

.bca-mile.is-now .bca-mile-age::after {
    content: " 当前";
    font-family: var(--d3-sans);
    font-size: 10px;
    font-weight: 650;
    padding: 1px 5px;
    margin-left: 4px;
    border-radius: 999px;
    background: var(--d3-accent);
    color: var(--d3-accent-ink);
}

/* ---------- 9. 报告 ---------- */
.bca-report {
    margin: 14px 0 0;
    padding: 12px 14px;
    font-family: var(--d3-mono);
    font-size: 12px;
    line-height: 1.8;
    color: var(--d3-ink-2);
    background: var(--d3-paper-2);
    border: 1px dashed var(--d3-line-2);
    border-radius: var(--d3-radius-sm);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1080px) {
    .bca-stage { grid-template-columns: minmax(0, 1fr); }
    .bca-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .bca-builder { margin-top: 18px; }
    .bca-fields { grid-template-columns: minmax(0, 1fr); }
    .bca-fields .span-2 { grid-column: auto; }
    .bca-pair { grid-template-columns: minmax(0, 1fr); }
    .bca-kv { grid-template-columns: minmax(0, 1fr); }
    .bca-mile { grid-template-columns: minmax(0, 1fr); gap: 6px; }
    .bca-mile-age { font-size: 11.5px; }
    .bca-age-big { font-size: 26px; }
    .bca-actions .bca-btn-ghost { flex: 1 1 auto; }
}