/* News — single-news.php + archive-news.php. Reuses the answer page's reading column, sources list and
   related cards (answers.css); only what news adds lives here. */

/* single: one reading column, no rail */
.news-body{max-width:720px}
.news-means{margin-top:56px;border-left:4px solid var(--lime);scroll-margin-top:94px}
.news-means .kicker{margin-bottom:10px}
.news-means .ans-html{font-size:16.5px}
.ans-related .news-kind{display:block;font:600 13.5px var(--text);color:var(--olive);margin-bottom:6px}

/* index: dated list, newest first */
.news-list{list-style:none;max-width:820px;margin:0 auto;display:grid;gap:16px;padding:0}
.news-item{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;color:var(--body);transition:border-color .2s}
.news-item:hover{border-color:var(--ink)}
.news-date{display:block;font:500 12.5px/1.6 var(--text);color:var(--muted);font-variant-numeric:tabular-nums}
.news-item h2{margin:8px 0 10px;font-size:clamp(21px,2.4vw,26px);line-height:1.25;letter-spacing:-.02em;color:var(--ink)}
.news-item p{font-size:16px;line-height:1.6}
.news-item b{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-weight:600;color:var(--ink)}
.news-item b .arrow{width:16px;height:16px}

@media (max-width:560px){
  .news-item{padding:20px 18px}
}

/* V2 visuals — product windows built from site.css .mock/.win/.bar; only the inner layouts live here. */
.news-mock .bar span,.news-change .bar span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-mock .bar b,.news-change .bar b{flex:none}

/* /news/ — rule change tracker (rows from data/news/*.json) */
.news-mock{max-width:980px}
.trk{background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;padding:10px 24px 14px}
.trk-head,.trk-rows li{display:grid;grid-template-columns:112px minmax(0,1.5fr) minmax(0,1.3fr) minmax(0,1fr);gap:16px;align-items:baseline}
.trk-head{font:500 13px var(--text);color:var(--muted);padding:10px 0;border-bottom:1px solid var(--line)}
.trk-rows{list-style:none;padding:0}
.trk-rows li{padding:14px 0;border-bottom:1px dashed var(--line)}
.trk-rows li:last-child{border-bottom:0}
.trk-date{font:500 12.5px var(--text);color:var(--muted);font-variant-numeric:tabular-nums}
.trk-rule{font:600 15px/1.35 var(--head);letter-spacing:-.01em;color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
.trk-rule:hover{text-decoration-color:var(--ink)}
.trk-ba{font:500 13px/1.5 var(--mono);color:var(--body)}
.trk-ba s{color:var(--muted)}
.trk-ba b{color:var(--olive);font-weight:600}
.trk-eff{font:500 12.5px/1.5 var(--text);color:var(--ink);font-variant-numeric:tabular-nums}

/* single post — compact "what changed" card (change: {before, after, effective}) */
.news-change{margin:0 0 48px;max-width:none}
.news-change .win{border-radius:var(--r);padding:12px 12px 12px;box-shadow:var(--shadow)}
.chg{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:12px;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.chg div{min-width:0}
.chg dt{font:500 13px var(--text);color:var(--muted);margin-bottom:6px}
.chg dd{font:600 15px/1.4 var(--mono);color:var(--ink)}
.chg-before dd{color:var(--muted);text-decoration:line-through}
.chg-after{background:var(--lime-soft);border-radius:10px;padding:10px 12px;margin:-10px 0}
.chg-after dd{color:var(--olive)}
.chg-after dt{color:var(--body)}
.chg-arrow{display:grid;place-items:center;color:var(--muted)}
.chg-arrow .arrow{width:18px;height:18px}
.chg-eff{grid-column:1/-1;border-top:1px dashed var(--line);padding-top:12px;margin-top:8px}
.chg-eff dd{font-weight:500}
.news-change .illus{padding-top:10px}
.news-change .illus a{text-decoration:underline;text-underline-offset:3px}

@media (max-width:760px){
  .trk{padding:6px 14px 10px}
  .trk-head{display:none}
  .trk-rows li{grid-template-columns:minmax(0,1fr);gap:6px}
}
@media (max-width:480px){
  .chg{grid-template-columns:minmax(0,1fr)}
  .chg-arrow{transform:rotate(90deg);justify-self:start;margin-left:4px}
  .chg-after{margin:0}
  .news-change .win{padding:8px}
}