/* 科研工具共用样式（在 tool.css 之上）。不要写 style= 或 <style>：CSP 禁止内联样式。 */
[hidden] { display: none !important; }

.sig-control { color: var(--muted); font-size: .9rem; display: inline-flex; align-items: center; gap: .4rem; }
.sig-control select { width: auto; padding: .15rem .4rem; font-size: .9rem; }

.formulas h2 { margin-top: 0; }
.formulas ul { margin: .3rem 0 .3rem 1.2rem; padding: 0; }
.formulas li { margin: .25rem 0; }
.formulas .eq { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size: .92rem; background: var(--code-bg); padding: .05rem .35rem; border-radius: .25rem; white-space: nowrap; }
.formulas .small { font-size: .88rem; color: var(--muted); }
.precision-note { font-size: .85rem; color: var(--muted); margin: .4rem 0 0; }

details.consts { margin: 1rem 0; border: 1px solid var(--line); border-radius: .6rem; padding: .5rem 1rem; background: var(--card); }
details.consts summary { cursor: pointer; font-weight: 600; }
details.consts table.data td { vertical-align: top; }
details.consts .const-src { font-size: .8rem; color: var(--muted); text-align: left; }

.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 .2rem; }
.tabs button { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: .4rem; padding: .35rem .9rem; cursor: pointer; }
.tabs button[aria-selected="true"] { border-color: var(--accent); color: var(--accent); font-weight: 600; }

.inline { display: flex; gap: .5rem; align-items: stretch; }
.inline > input { flex: 2; }
.inline > select { flex: 1; min-width: 6rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .2rem .8rem; }
@media (max-width: 34rem) { .grid2 { grid-template-columns: 1fr; } }

.num-note { font-size: .82rem; color: var(--muted); min-height: 1.2em; }
.num-note.error { color: var(--err); }

.result-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .6rem; padding: .35rem 0; border-top: 1px solid var(--line); }
.result-row:first-child { border-top: 0; }
.result-label { color: var(--muted); font-size: .9rem; flex: 1 1 9rem; }
.result-value { font-size: 1.15rem; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result-row.primary .result-value { font-size: 1.4rem; color: var(--accent); }
.result-unit { color: var(--fg); }
.result-hint { flex-basis: 100%; font-size: .82rem; color: var(--muted); }
.copy-btn { font: inherit; font-size: .78rem; color: var(--link); background: none; border: 1px solid var(--line); border-radius: .3rem; padding: 0 .5rem; cursor: pointer; margin-left: auto; }
.copy-btn[data-state="copied"]::after { content: " ✓"; }

.msg { margin: .4rem 0; padding: .45rem .7rem; border-radius: .4rem; font-size: .9rem; }
.msg-info { background: var(--code-bg); }
.msg-warn { background: #fff3cd; color: #4d3b00; }
.msg-error { background: #fdeaea; color: #7a1c15; }
@media (prefers-color-scheme: dark) {
  .msg-warn { background: #3a3320; color: #f3e3a6; }
  .msg-error { background: #3b1f1f; color: #f2b8b5; }
}
.assump { border-left: 4px solid var(--accent); padding: .2rem .8rem; margin: .8rem 0; font-size: .9rem; }
.assump h3 { margin: .2rem 0; font-size: .95rem; }
.radio-row { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin: .3rem 0; }
.radio-row label { display: inline-flex; align-items: center; gap: .35rem; color: var(--fg); font-size: .95rem; }
.radio-row input { width: auto; }
.preset-row { display: flex; flex-wrap: wrap; gap: .4rem; margin: .3rem 0; }
.preset-row button { font: inherit; font-size: .82rem; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: .3rem; padding: .1rem .6rem; cursor: pointer; }
.row-head { font-weight: 600; margin: .8rem 0 .2rem; }
.uq-row { display: grid; grid-template-columns: 1fr 1fr; gap: .2rem .8rem; align-items: end; }
.source-badge { font-size: .75rem; color: var(--accent); }
.eqrow { display: grid; grid-template-columns: 7rem 1fr 6rem; gap: .5rem; align-items: center; margin: .3rem 0; }
.eqrow label { color: var(--fg); font-size: .95rem; margin: 0; }
.eqrow.src label { font-weight: 700; color: var(--accent); }
.eqrow .num-note { grid-column: 2 / 4; margin-top: -.3rem; }
.small { font-size: .88rem; }