/* Grid reference converter (view=grid). Uses the shared --od-* colour variables from site.css. */
.od-grid-page { max-width: 1100px; margin: 0 auto; color: var(--od-ink); }
.od-grid-intro { color: var(--od-granite); max-width: 62ch; margin: .2rem 0 .7rem; }
.od-grid-page .od-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.od-grid-form { background: var(--od-stone); border: 1px solid var(--od-line); border-radius: .6rem; padding: .8rem 1rem; }
.od-grid-form .od-label { display: block; font-weight: 700; margin-bottom: .35rem; }
.od-grid-inputrow { display: flex; gap: .5rem; }
.od-grid-input { flex: 1 1 auto; min-width: 0; font-size: 1.25rem; padding: .7rem .8rem; border: 2px solid var(--od-granite); border-radius: .45rem; background: #fff; color: var(--od-ink); }
.od-grid-input:focus-visible, .od-grid-page button:focus-visible, .od-grid-page a:focus-visible, .od-grid-radio input:focus-visible {
    outline: 3px solid #1d6fb8; outline-offset: 2px; }
.od-grid-input[aria-invalid="true"] { border-color: #a4262c; }
.od-grid-go { font-size: 1.1rem; padding: .7rem 1.2rem; }
.od-grid-hint { margin: .4rem 0 0; font-size: .9rem; color: var(--od-muted); }
.od-grid-tools { display: flex; flex-wrap: wrap; gap: .5rem .9rem; align-items: center; margin-top: .6rem; }
.od-grid-try { display: inline-flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: .9rem; color: var(--od-granite); }
.od-grid-chip { font: inherit; font-size: .9rem; padding: .4rem .7rem; min-height: 2.5rem; border: 1px solid var(--od-line); border-radius: 2rem; background: #fff; color: var(--od-green-d); cursor: pointer; }
.od-grid-chip:hover { background: var(--od-green-l); }

.od-grid-error { margin-top: .8rem; padding: .8rem 1rem; border: 2px solid #a4262c; border-radius: .45rem; background: #fdf0f0; color: #7a1a1f; font-size: 1.02rem; }
.od-grid-choices { margin-top: .8rem; padding: .8rem 1rem; border: 1px solid var(--od-line); border-radius: .45rem; background: #fff; }
.od-grid-choices ul { list-style: none; margin: .4rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.od-grid-status { margin: .5rem 0; min-height: 1.3em; color: var(--od-granite); font-size: .95rem; }

.od-grid-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.2rem; align-items: start; }
.od-grid-h { font-size: 1.2rem; margin: .6rem 0 .4rem; color: var(--od-ink); }
.od-grid-detail { border: 0; padding: 0; margin: 0 0 .6rem; display: flex; flex-wrap: wrap; gap: .3rem .9rem; }
.od-grid-radio { display: inline-flex; align-items: center; gap: .4rem; min-height: 2.5rem; cursor: pointer; font-size: .95rem; }
.od-grid-radio input { width: 1.2rem; height: 1.2rem; }
.od-grid-list { margin: 0; }
.od-grid-row { padding: .4rem 0; border-top: 1px solid var(--od-line); }
.od-grid-row dt { font-size: .85rem; color: var(--od-muted); font-weight: 600; }
.od-grid-row dd { margin: .15rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem .8rem; align-items: center; justify-content: space-between; }
.od-grid-val { font-size: 1.2rem; font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.od-grid-copy { padding: .4rem .8rem; min-height: 2.5rem; }
.od-grid-note { font-size: .92rem; color: var(--od-granite); margin: .5rem 0 0; }
.od-grid-warn { margin: .7rem 0 0; padding: .7rem .9rem; border: 2px solid #b5651d; border-radius: .45rem; background: #fdf3e6; color: #6b3a0a; }
.od-grid-links { display: flex; flex-wrap: wrap; gap: .5rem .9rem; align-items: center; margin-top: .9rem; }
.od-grid-links a { color: var(--od-green-d); font-weight: 600; padding: .4rem 0; }

.od-grid-map { height: min(70vh, 520px); border: 1px solid var(--od-line); border-radius: .5rem; z-index: 0; }

.od-grid-near { margin-top: 1rem; }
.od-grid-nearest, .od-grid-nearlist { list-style: none; margin: 0; padding: 0; }
.od-grid-nearest li { padding: .35rem 0; font-size: 1.05rem; }
.od-grid-k { font-weight: 700; }
.od-grid-nearlist { columns: 2; column-gap: 1.5rem; margin-top: .6rem; }
.od-grid-nearlist li { break-inside: avoid; padding: .45rem 0; border-top: 1px solid var(--od-line); }
.od-grid-nearlist a, .od-grid-nearest a { color: var(--od-green-d); font-weight: 600; }
.od-grid-meta { color: var(--od-muted); font-size: .9rem; }

.od-grid-how { margin-top: 1.2rem; max-width: 70ch; }
.od-grid-how > summary, .od-grid-more > summary { cursor: pointer; font-weight: 700; padding: .5rem 0; min-height: 2.5rem; color: var(--od-green-d); }
.od-grid-more { border-top: 1px solid var(--od-line); }
.od-grid-mapcol { position: sticky; top: .8rem; }
.od-grid-how p { line-height: 1.55; }

@media (max-width: 760px) {
    .od-grid-mapcol { position: static; }
    .od-grid-try .od-grid-chip:nth-child(n+3) { display: none; }
    .od-grid-form .od-grid-hint { display: none; }
    .od-grid-cols { grid-template-columns: minmax(0, 1fr); }
    .od-grid-map { height: 320px; }
    .od-grid-nearlist { columns: 1; }
    .od-grid-inputrow { flex-wrap: wrap; }
    .od-grid-go { width: 100%; justify-content: center; }
    .od-grid-input { font-size: 1.1rem; }
}

/* Tighter first screen (Paul: too much scrolling) */
#od-grid-values-h { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.od-grid-detail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem; margin-bottom: .3rem; }
.od-grid-radio { font-size: .85rem; gap: .3rem; min-height: 2.5rem; padding: 0 .2rem; align-items: center; }
.od-grid-radio input { flex: 0 0 auto; width: 1.1rem; height: 1.1rem; }
.od-grid-status:empty { display: none; }
.od-grid-status { margin: .35rem 0; }
.od-grid-result { margin-top: .6rem; }
@media (max-width: 760px) { .od-grid-detail { grid-template-columns: repeat(2, minmax(0, 1fr)); } }


.od-grid-sub { margin: -.2rem 0 .4rem; font-size: 1.1rem; font-weight: 600; color: var(--od-green-d); }