/* 校正血钙 / 渗透压：双面板 + 单位选择器 */

.ca-copy { min-width: 0; }
.ca-hl { color: var(--dk-accent); }

.ca-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.ca-jump a {
    padding: 6px 12px; font-size: 12.5px; color: var(--dk-ink-2); text-decoration: none;
    border: 1px solid var(--dk-line); border-radius: 99px; background: var(--dk-surface);
    transition: color .14s, border-color .14s, background .14s;
}
.ca-jump a:hover { color: var(--dk-accent); border-color: var(--dk-accent-line); background: var(--dk-accent-soft); }

#caFormula, #caCut, #caTrap, #caFaq { scroll-margin-top: 84px; }

.ca-tool { position: sticky; top: 82px; }

.ca-panel { border-top: 1px solid var(--dk-line); padding: 12px 16px 14px; }
.ca-panel:first-of-type { border-top: 0; }
.ca-panel-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.ca-ico { font-size: 15px; }
.ca-panel-head h3 { margin: 0; font-size: 13.5px; font-weight: 700; color: var(--dk-ink); }
.ca-tag {
    margin-left: auto; padding: 2px 8px; border-radius: 99px;
    font-size: 11px; color: var(--dk-muted); background: var(--dk-surface-3);
}
.ca-tag.is-low { color: #0369a1; background: #e0f2fe; }
.ca-tag.is-ok { color: #15803d; background: #dcfce7; }
.ca-tag.is-high { color: #b91c1c; background: #fee2e2; }
.ca-tag.is-danger { color: #fff; background: #b91c1c; }
:root[data-theme="dark"] .ca-tag.is-low { background: rgba(56, 189, 248, .16); color: #7dd3fc; }
:root[data-theme="dark"] .ca-tag.is-ok { background: rgba(34, 197, 94, .16); color: #86efac; }
:root[data-theme="dark"] .ca-tag.is-high { background: rgba(248, 113, 113, .16); color: #fca5a5; }

.ca-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ca-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }.ca-grid--3 .ca-field:last-child { grid-column: 1 / -1; }
.ca-field { display: grid; gap: 5px; min-width: 0; }
.ca-field > span:first-child { font-size: 12px; font-weight: 600; color: var(--dk-ink-2); }

.ca-box {
    display: flex; align-items: center; gap: 4px;
    height: 36px; padding: 0 6px 0 9px;
    border: 1px solid var(--dk-line-strong); border-radius: 8px; background: var(--dk-surface);
    transition: border-color .15s, box-shadow .15s;
}
.ca-box:focus-within { border-color: var(--dk-accent); box-shadow: 0 0 0 3px var(--dk-accent-soft); }
.ca-box input {
    flex: 1; min-width: 0; height: 100%; border: 0; outline: none; padding: 0;
    background: transparent; color: var(--dk-ink);
    font-family: var(--dk-mono); font-size: 13.5px;
}
.ca-box select {
    flex: none; max-width: 88px; height: 26px; border: 0; outline: none;
    background: var(--dk-surface-3); color: var(--dk-ink-2);
    font-size: 10.5px; border-radius: 6px; padding: 0 3px; cursor: pointer;
}
.ca-box i { font-style: normal; font-size: 10.5px; color: var(--dk-muted); white-space: nowrap; }
.ca-field input[aria-invalid="true"] { color: var(--dk-err); }

.ca-out {
    display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
    margin-top: 10px; padding: 9px 11px;
    border-radius: 9px; background: var(--dk-surface-2);
}
.ca-out--split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; align-items: start; }
.ca-k { font-size: 10.5px; color: var(--dk-muted); }
.ca-num { display: flex; align-items: baseline; gap: 4px; white-space: nowrap; }
.ca-num b {
    font-family: var(--cl-serif); font-size: 24px; line-height: 1.1;
    color: var(--dk-accent); font-variant-numeric: tabular-nums;
}
.ca-num span { font-size: 10.5px; color: var(--dk-muted); }
.ca-say { margin: 0; font-size: 12px; line-height: 1.6; color: var(--dk-ink-2); flex: 1 1 100%; }

.ca-warn {
    margin: 8px 0 0; padding: 8px 10px; border-radius: 8px;
    font-size: 11.5px; line-height: 1.6;
    color: var(--dk-warn); background: var(--dk-warn-soft);
}

.ca-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 16px 16px; }
.ca-presets { display: inline-flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.ca-preset {
    border: 1px dashed var(--dk-line-strong); background: transparent;
    color: var(--dk-muted); font-size: 11.5px; padding: 4px 9px; border-radius: 99px; cursor: pointer;
    transition: color .14s, border-color .14s;
}
.ca-preset:hover { color: var(--dk-accent); border-color: var(--dk-accent-line); }

.ca-rel { display: block; }
.ca-rel h3 { font-size: 15.5px; margin-bottom: 6px; }
.ca-rel p { margin: 0; font-size: 13px; color: var(--dk-muted); line-height: 1.65; }

:root[data-theme="dark"] .ca-num b,
:root[data-theme="dark"] .ca-jump a:hover,
:root[data-theme="dark"] .ca-preset:hover { color: #fdba74; }

@media (max-width: 960px) { .ca-tool { position: static; } }

@media (max-width: 560px) {
    .ca-grid, .ca-grid--3 { grid-template-columns: 1fr; }
    .ca-num b { font-size: 21px; }
    .ca-presets { margin-left: 0; }
    .ca-tool .dk-tool-head h2 { min-width: 0; }
    .ca-tool .dk-tool-head > span { flex: none; white-space: nowrap; }
}