/* Data briefs. Loaded only on /briefs pages; uses the tokens from app.css. */
.brief { padding-top: 68px; }
.b-wrap.b-index { padding-top: calc(68px + clamp(24px, 4vw, 44px)); }
.b-wrap { width: min(100% - 2 * var(--gutter), 860px); margin: 0 auto; padding: clamp(28px, 5vw, 56px) 0 24px; }
.b-kick { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0 0 18px; font: 500 0.74rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--mute); }
.b-kick a { color: var(--accent); }
.b-kick span::before, .b-kick time::before { content: "/"; margin-right: 14px; opacity: 0.4; }
.b-kick > :first-child::before { content: none; margin: 0; }
.b-h1 { font-size: clamp(2.2rem, 6.4vw, 4.4rem); line-height: 0.94; margin: 0 0 18px; }
.b-h1-s { font-size: clamp(1.7rem, 4.4vw, 2.8rem); }
.b-dek { font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 1.45; color: rgba(244, 241, 234, 0.86); margin: 0 0 14px; max-width: 62ch; }
.b-dek a { color: var(--accent); }
.b-by { font: 400 0.8rem/1.4 var(--mono); color: var(--mute); margin: 0 0 22px; }

/* share + save */
.b-act { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; }
.b-btn { font: 500 0.78rem/1 var(--mono); letter-spacing: 0.04em; padding: 10px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: rgba(244, 241, 234, 0.03); min-height: 38px; display: inline-flex; align-items: center; transition: border-color 0.2s, background 0.2s; }
.b-btn:hover { border-color: rgba(244, 241, 234, 0.4); }
.b-btn[hidden] { display: none; }
.b-share, .b-save[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #111; }
.b-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #111; font: 600 0.85rem/1 var(--body); padding: 12px 16px; border-radius: 10px; z-index: 90; }

/* chart */
.chart { margin: 0; background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 12px; position: relative; outline-offset: 4px; }
.chart-t { font: 700 1rem/1.25 var(--body); margin: 0 0 12px; }
.chart-t span { font: 400 0.78rem/1 var(--mono); color: var(--mute); margin-left: 8px; }
.chart-box { position: relative; }
.chart svg text { paint-order: stroke; stroke: #111317; stroke-width: 3px; stroke-linejoin: round; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.ch-n { display: none; }
@media (max-width: 560px) { .ch-w { display: none; } .ch-n { display: block; } .chart { padding: 14px 12px 10px; } }
.chart-tip { position: absolute; z-index: 3; pointer-events: none; background: rgba(10, 11, 13, 0.94); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: 400 0.8rem/1.35 var(--mono); color: var(--ink); white-space: nowrap; transform: translate(-50%, calc(-100% - 10px)); }
.chart-tip b { color: var(--accent); font-weight: 600; }
.chart-cursor { pointer-events: none; }
.b-cap { font: 400 0.76rem/1.5 var(--mono); color: var(--mute); margin: 10px 2px 0; }
.b-cap a { text-decoration: underline; text-decoration-color: rgba(244, 241, 234, 0.3); text-underline-offset: 2px; }
.b-chart-lead { margin: 0 calc(-1 * min(6vw, 70px)); }
@media (max-width: 960px) { .b-chart-lead { margin: 0; } }

/* key numbers */
.b-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 26px 0; }
.b-facts div { background: var(--bg); padding: 14px 16px; }
.b-facts dt { font: 500 0.7rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--mute); margin: 0 0 6px; }
.b-facts dd { margin: 0; font: 800 1.35rem/1.1 var(--display); font-stretch: 80%; }

/* body */
.b-body { font-size: 1.08rem; line-height: 1.7; max-width: 64ch; }
.b-body p { margin: 0 0 1.1em; }
.b-news, .b-method { border-top: 1px solid var(--line); padding: 20px 0 6px; margin-top: 18px; }
.b-news h2, .b-more h2 { font: 500 0.74rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); margin: 0 0 14px; }
.b-news ul, .b-src, .b-cav { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.b-news a { font-weight: 600; text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.b-news span, .b-src span { display: block; font: 400 0.76rem/1.4 var(--mono); color: var(--mute); margin-top: 3px; }
.b-method summary { cursor: pointer; font: 500 0.78rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); padding: 6px 0 14px; }
.b-cav li { color: rgba(244, 241, 234, 0.75); font-size: 0.92rem; padding-left: 14px; border-left: 2px solid var(--line); }
.b-alt { font-size: 0.9rem; color: var(--mute); }
.b-alt a, .b-src a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.b-credit { display: block; font: 400 0.72rem/1.4 var(--mono); color: rgba(244, 241, 234, 0.7); margin-top: 10px; }

/* layout: photo lead */
.b-photo-hero { position: relative; min-height: min(88vh, 760px); display: flex; align-items: flex-end; isolation: isolate; margin-top: -68px; }
.b-ph, .b-ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; }
.b-photo-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10, 11, 13, 0.1) 30%, rgba(10, 11, 13, 0.92) 88%); }
.b-photo-in { width: min(100% - 2 * var(--gutter), 860px); margin: 0 auto; padding: 120px 0 34px; }

/* layout: big number */
.b-big { font: 900 clamp(3.6rem, 15vw, 9rem)/0.86 var(--display); font-stretch: 62%; color: var(--accent); margin: 0; letter-spacing: -0.02em; }
.b-big-l { font: 500 0.8rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); margin: 10px 0 26px; }

/* layout: side by side */
.b-split { width: min(100% - 2 * var(--gutter), 1280px); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.b-split-c { position: sticky; top: 92px; }
/* phones: headline and actions first, then the chart, then numbers and story */
@media (max-width: 960px) { .b-split { display: flex; flex-direction: column; gap: 0; } .b-split-t { display: contents; } .b-split-c { position: static; order: 1; margin-bottom: 8px; } .b-split-t > :nth-child(n + 6) { order: 2; } }

/* layout: share card */
.b-cardx { background: linear-gradient(160deg, #15171c, #0d0e11); border: 1px solid var(--line); border-radius: 18px; padding: clamp(18px, 4vw, 34px); margin: 0 0 22px; }
.b-cardx .chart { background: transparent; border: 0; padding: 0; }
.b-cardx .b-facts { margin: 20px 0 16px; }
.b-cardx-f { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0; font: 400 0.74rem/1 var(--mono); color: var(--mute); }

/* design switcher */
.b-lay { width: min(100% - 2 * var(--gutter), 860px); margin: 10px auto 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 0; border-top: 1px dashed var(--line); font: 500 0.74rem/1 var(--mono); }
.b-lay span { color: var(--mute); text-transform: uppercase; letter-spacing: 0.1em; margin-right: 6px; }
.b-lay a, .b-chips a { padding: 9px 12px; border-radius: 999px; border: 1px solid var(--line); }
.b-lay a[aria-current], .b-chips a[aria-current] { background: var(--ink); color: #111; border-color: var(--ink); }

/* cards + index */
.b-more { width: min(100% - 2 * var(--gutter), 1100px); margin: 0 auto; padding: 30px 0 60px; }
.b-index { width: min(100% - 2 * var(--gutter), 1180px); }
.b-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 26px; font: 500 0.76rem/1 var(--mono); }
.b-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }

.b-empty { color: var(--mute); }

/* lazy photo band */
.b-band { margin: 6px 0 28px; }
.b-band img { width: 100%; height: auto; aspect-ratio: 21 / 9; object-fit: cover; border-radius: 12px; background: var(--bg2); }
.b-band figcaption { font: 400 0.72rem/1.4 var(--mono); color: var(--mute); margin-top: 8px; }

/* ---------- channel identity ---------- */
.ch-tag { display: inline-flex; align-items: center; gap: 6px; color: var(--ch, var(--accent)); font: 600 0.72rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; }
.ci { flex: none; }
.b-kick .ch-tag::before { content: none; }
.b-kick > .ci { color: var(--accent); }

/* ---------- index bar: channels + views ---------- */
.b-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; margin: 8px 0 18px; }
.b-chips a { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.b-chips-ch a .ci { color: var(--ch); }
.b-chips-ch a[aria-current] .ci { color: #111; }
.b-chips { margin: 0; }
.b-views { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; font: 500 0.74rem/1 var(--mono); }
.b-views a { padding: 8px 12px; border-radius: 999px; color: var(--mute); white-space: nowrap; }
.b-views a[aria-current] { background: var(--ink); color: #111; }
.b-day { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font: 500 0.74rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); margin: 18px 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
@media (max-width: 700px) {
  .b-bar { display: grid; gap: 10px; }
  .b-chips-ch, .b-views { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-right: calc(-1 * var(--gutter)); padding-right: var(--gutter); }
  .b-chips-ch::-webkit-scrollbar, .b-views::-webkit-scrollbar { display: none; }
  .b-views { border: 0; padding: 0; gap: 6px; border-radius: 0; }
  .b-views a { border: 1px solid var(--line); }
}

/* ---------- view: cards ---------- */
.b-card { --ch: var(--accent); display: grid; gap: 10px; align-content: start; padding: 16px; border: 1px solid var(--line); border-top: 3px solid var(--ch); border-radius: 14px; background: var(--bg2); transition: border-color 0.2s, transform 0.2s var(--ease); }
.b-card:hover { border-color: var(--ch); transform: translateY(-2px); }
.b-card strong { font: 800 1.28rem/1.05 var(--display); font-stretch: 80%; }
.thumb { display: block; width: 100%; height: auto; }
.b-thumb { display: block; background: rgba(244, 241, 234, 0.03); border-radius: 8px; padding: 6px; }
.b-lead { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; font-size: 0.8rem; color: var(--mute); }
.b-lead b { font: 800 1.35rem/1 var(--display); font-stretch: 78%; color: var(--ink); }
@media (max-width: 560px) {
  .b-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .b-card { padding: 12px; gap: 8px; border-radius: 12px; }
  .b-card strong { font-size: 1.02rem; line-height: 1.08; }
  .b-card .b-lead span { display: none; }
  .b-lead b { font-size: 1.1rem; }
  .b-thumb { padding: 3px; }
}

/* ---------- view: snapshot (photo + glass number) ---------- */
.b-grid-snap { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.b-snap { --ch: var(--accent); display: grid; gap: 10px; align-content: start; }
.b-snap-img { position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; background: radial-gradient(120% 100% at 0% 0%, color-mix(in srgb, var(--ch) 38%, #111317), #0d0e11 70%); }
.b-snap-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.b-snap:hover .b-snap-img img { transform: scale(1.04); }
.b-snap-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 11, 13, 0.25), rgba(10, 11, 13, 0) 30%, rgba(10, 11, 13, 0.82)); }
.b-snap-img .ch-tag { position: absolute; z-index: 1; top: 12px; left: 12px; background: rgba(10, 11, 13, 0.72); padding: 7px 10px; border-radius: 999px; backdrop-filter: blur(6px); }
.b-snap-glass { position: absolute; z-index: 1; left: 12px; right: 12px; bottom: 12px; display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 12px; padding: 10px 12px; border-radius: 12px; background: rgba(10, 11, 13, 0.62); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(244, 241, 234, 0.12); }
.b-snap-glass b { font: 900 clamp(1.6rem, 4vw, 2.2rem)/0.9 var(--display); font-stretch: 66%; color: var(--ch); white-space: nowrap; }
.b-snap-glass .thumb { max-height: 54px; }
.b-snap strong { font: 800 1.3rem/1.05 var(--display); font-stretch: 80%; }
.b-snap:hover strong { text-decoration: underline; text-decoration-color: var(--ch); text-underline-offset: 4px; }
.b-snap-f { font-size: 0.82rem; color: var(--mute); margin-top: -4px; }
.b-grid-two { grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 22px 0; }
.b-snap-big .b-snap-img { aspect-ratio: 16 / 10; }
@media (max-width: 700px) { .b-grid-two { grid-template-columns: 1fr; } }

/* ---------- view: numbers (dense list) ---------- */
.b-rows { display: grid; }
.b-row { --ch: var(--accent); display: grid; grid-template-columns: minmax(120px, 190px) 1fr minmax(120px, 220px); gap: 18px; align-items: center; padding: 16px 4px; border-bottom: 1px solid var(--line); transition: background 0.2s; }
.b-row:hover { background: rgba(244, 241, 234, 0.03); }
.b-row-n { font: 900 clamp(1.7rem, 3.4vw, 2.6rem)/0.9 var(--display); font-stretch: 62%; color: var(--ch); }
.b-row-t { display: grid; gap: 6px; }
.b-row-t strong { font: 700 1.08rem/1.25 var(--body); }
.b-row-t > span:last-child { font-size: 0.8rem; color: var(--mute); }
@media (max-width: 640px) {
  .b-row { grid-template-columns: 1fr 96px; gap: 6px 12px; padding: 14px 0; }
  .b-row-n { grid-column: 1 / -1; font-size: 1.9rem; }
  .b-row-c { grid-row: 2; grid-column: 2; }
  .b-row-t strong { font-size: 0.98rem; }
}

/* ---------- view: front page ---------- */
.b-front { --ch: var(--accent); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(20px, 3vw, 40px); align-items: center; padding: clamp(18px, 3vw, 28px); border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(150deg, color-mix(in srgb, var(--ch) 12%, #111317), #0d0e11 60%); }
.b-front h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 12px 0 12px; }
.b-front h2 a:hover { text-decoration: underline; text-decoration-color: var(--ch); }
.b-front .b-lead { margin: 6px 0 16px; }
.b-front .b-lead b { color: var(--ch); font-size: 2rem; }
.b-front .chart { background: rgba(10, 11, 13, 0.5); }
@media (max-width: 860px) { .b-front { grid-template-columns: 1fr; } }

/* ---------- pager ---------- */
.b-pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 34px 0 10px; font: 500 0.8rem/1 var(--mono); }
.b-pager a { min-width: 42px; min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; }
.b-pager a[aria-current] { background: var(--ink); color: #111; border-color: var(--ink); }

/* ---------- hot leaderboard ---------- */
.hb-strip { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px 10px; margin: 6px 0 22px; background: linear-gradient(120deg, rgba(255, 122, 47, 0.08), transparent 50%); }
.hb-strip h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font: 800 1.2rem/1 var(--display); font-stretch: 80%; margin: 0 0 10px; }
.hb-strip h2 a { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); }
.hb-strip h2 span { font: 400 0.74rem/1 var(--mono); color: var(--mute); text-transform: uppercase; letter-spacing: 0.08em; }
.hb-strip ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.hb-strip li { display: grid; grid-template-columns: 38px 1fr auto; gap: 10px; align-items: center; padding: 7px 0; border-top: 1px solid var(--line); font-size: 0.95rem; }
.hb-strip li a:hover { text-decoration: underline; }
.hb-s { font: 400 0.72rem/1 var(--mono); color: var(--mute); white-space: nowrap; }
.hb-all { display: inline-block; font: 500 0.76rem/1 var(--mono); color: var(--accent); padding: 10px 0 4px; }
.hb-idx { --heat: 50; display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 30px; border-radius: 8px; font: 700 0.86rem/1 var(--mono); color: #111; background: color-mix(in srgb, #ff7a2f calc(var(--heat) * 1%), #3a3c40); }
.hb { max-width: 920px; }
.hb-chs { margin: 8px 0 18px; }
.hb-chs a .ci { color: var(--ch); }
.hb-chs a[aria-current] .ci { color: #111; }
.hb-list { list-style: none; margin: 0; padding: 0; }
.hb-row { display: grid; grid-template-columns: 30px 44px 1fr; gap: 12px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--line); }
.hb-rank { font: 500 0.9rem/30px var(--mono); color: var(--mute); text-align: right; }
.hb-idx.hb-row-i { margin-top: 0; }
.hb-t { font: 700 1.08rem/1.3 var(--body); }
.hb-t:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.hb-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; margin: 6px 0 0; font: 400 0.76rem/1.4 var(--mono); color: var(--mute); }
.hb-meta a:not(.ch-tag):hover { color: var(--ink); text-decoration: underline; }
.hb-brief { color: var(--accent) !important; }
.hb-mv { font-weight: 600; }
.hb-up { color: #3cc4a6; } .hb-dn { color: #e0645a; } .hb-new { color: #e0b33a; }
.hb-more summary { cursor: pointer; font: 500 0.74rem/1 var(--mono); color: var(--mute); margin-top: 8px; }
.hb-more ul { list-style: none; padding: 8px 0 0 0; margin: 0; display: grid; gap: 6px; font-size: 0.9rem; }
.hb-more span { font: 400 0.72rem/1 var(--mono); color: var(--mute); }
@media (max-width: 560px) { .hb-row { grid-template-columns: 38px 1fr; } .hb-rank { display: none; } .hb-t { font-size: 1rem; } }
@media (max-width: 640px) {
  .hb-strip li { grid-template-columns: 38px 1fr; gap: 2px 10px; font-size: 0.92rem; line-height: 1.3; }
  .hb-strip li .hb-idx { grid-row: span 2; }
  .hb-strip li .hb-s { grid-column: 2; }
}