/* Landing, rules and privacy pages */
.muted { color: var(--muted); }
.hint { font-size: 0.88rem; color: var(--muted); }
.form-error { color: var(--coral); font-weight: 600; font-size: 0.95rem; }
.form-error:empty { display: none; }
.btn-wide { width: 100%; min-height: 52px; font-size: 1.08rem; }

/* Landing */
body.landing { min-height: 100vh; overflow-x: hidden; }
.land-backdrop { position: fixed; inset: 0; opacity: 0.15; pointer-events: none; z-index: 0; }
.land-backdrop .board { width: 100%; height: 100%; }
.land-backdrop .city, .land-backdrop .city-sub, .land-backdrop .wrap-label, .land-backdrop .region-label { display: none; }
.land {
  position: relative; z-index: 1; max-width: 76rem; margin: 0 auto; padding: 4rem 1.5rem 2rem;
  display: grid; grid-template-columns: 1.3fr 1fr; grid-template-areas: 'hero host' 'hero join'; gap: 1.2rem 3.5rem; align-items: start;
}
.land-hero { grid-area: hero; display: flex; flex-direction: column; gap: 1.1rem; padding-top: 1rem; }
.land-brand { display: flex; align-items: center; gap: 0.7rem; color: var(--muted); font-weight: 600; }
.land-brand img { border-radius: 10px; }
.land-title { font-size: clamp(3.2rem, 8vw, 6.4rem); line-height: 0.92; letter-spacing: -0.02em; }
.land-sub { font: 600 clamp(1.3rem, 2.4vw, 1.75rem)/1.2 var(--font-cond); color: var(--brass); }
.land-copy { font-size: 1.12rem; line-height: 1.6; max-width: 36em; }
.land-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; font-weight: 600; }
.land-links a { min-height: 44px; display: inline-flex; align-items: center; }
.land-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 1.4rem 1.5rem; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 0.6rem; }
.land-host { grid-area: host; }
.land-join { grid-area: join; }
.land-panel h2 { font-size: 1.7rem; }
.land-form { display: flex; flex-direction: column; gap: 0.8rem; }
.seg { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.seg legend { font-weight: 600; padding: 0; margin-bottom: 0.4rem; }
.seg-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.3rem; }
.seg-opt, .diff-opt { position: relative; cursor: pointer; }
.seg-opt input, .diff-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg-opt span { display: grid; place-items: center; min-height: 48px; border-radius: var(--radius-s); border: 1.5px solid var(--line-strong); font: 700 1.25rem var(--font-cond); }
.seg-opt input:checked + span { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.seg-opt input:focus-visible + span, .diff-opt:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.diff { display: flex; flex-direction: column; gap: 0.3rem; }
.diff-opt { display: grid; grid-template-columns: 6rem 1fr; align-items: center; gap: 0.6rem; padding: 0.55rem 0.8rem; min-height: 48px; border-radius: var(--radius-s); border: 1.5px solid var(--line); }
.diff-opt:has(input:checked) { border-color: var(--ink); background: var(--raised); }
.diff-name { font: 700 1.1rem var(--font-cond); }
.diff-text { font-size: 0.9rem; color: var(--muted); }
.seed summary { cursor: pointer; color: var(--muted); font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.seed label { display: block; margin-bottom: 0.3rem; }
#join-code { font: 700 1.5rem var(--font-cond); letter-spacing: 0.25em; text-transform: uppercase; }
.land-foot { position: relative; z-index: 1; max-width: 76rem; margin: 0 auto; padding: 1rem 1.5rem 2.5rem; color: var(--muted); font-size: 0.85rem; }
@media (max-width: 60rem) {
  .land { grid-template-columns: 1fr; grid-template-areas: 'hero' 'join' 'host'; padding-top: 2rem; gap: 1.2rem; }
  .seg-row { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .diff-opt { grid-template-columns: 1fr; gap: 0.1rem; }
}

/* Rules and privacy */
body.doc { font-size: 1.06rem; }
.doc-head { position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 2rem; padding: 0.6rem max(1rem, calc((100vw - 52rem) / 2)); background: var(--bg); border-bottom: 1px solid var(--line); }
.doc-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; min-height: 44px; }
.doc-brand img { border-radius: 8px; }
.doc-brand .wordmark { font-size: 1.3rem; }
.doc-toc { display: flex; flex-wrap: wrap; gap: 0 1rem; font-size: 0.92rem; }
.doc-toc a { min-height: 36px; display: inline-flex; align-items: center; color: var(--muted); text-decoration: none; }
.doc-toc a:hover { color: var(--ink); text-decoration: underline; }
.doc-main { max-width: 46rem; margin: 0 auto; padding: 2rem 1rem 4rem; line-height: 1.6; }
.doc-main h1 { font-size: clamp(2.4rem, 6vw, 3.4rem); }
.doc-lede { font-size: 1.22rem; color: var(--muted); margin: 0.6rem 0 2rem; }
.doc-main section { padding: 1.6rem 0; border-top: 1px solid var(--line); scroll-margin-top: 5rem; }
.doc-main h2 { font-size: 1.75rem; margin-bottom: 0.7rem; }
.doc-main h3 { font-size: 1.2rem; margin: 1.1rem 0 0.4rem; }
.doc-main p + p { margin-top: 0.7rem; }
.doc-main ul, .doc-main ol { padding-left: 1.3rem; display: flex; flex-direction: column; gap: 0.35rem; }
.steps-list li::marker { font: 700 1rem var(--font-cond); color: var(--brass); }
.defs { display: grid; grid-template-columns: 10rem 1fr; gap: 0.5rem 1.2rem; margin: 0.6rem 0 0; }
.defs dt { font-weight: 700; }
.defs dd { margin: 0; }
.privacy { margin-bottom: 2rem; }
.shape-word { font-weight: 600; }
.seat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin: 0.8rem 0; }
.seat-grid article { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 0.9rem 1rem; }
.seat-grid h3 { margin: 0 0 0.3rem; }
.seat-grid p { font-size: 0.95rem; }
.teach { list-style: none; padding: 0 !important; gap: 0 !important; }
.teach li { display: grid; grid-template-columns: 4.2rem 1fr; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
.teach .t { font: 700 1.15rem var(--font-cond); color: var(--brass); }
.doc-foot { margin-top: 2rem; font-size: 0.9rem; color: var(--muted); }
@media (max-width: 40rem) {
  .defs { grid-template-columns: 1fr; gap: 0.1rem; }
  .defs dd { margin-bottom: 0.6rem; }
  .seat-grid { grid-template-columns: 1fr; }
}