/* CoinMarketHelp — dark, black+gray. Легкий, без залежностей. */
:root{
  --bg:#0b0e11; --bg2:#12161c; --panel:#161b22; --line:#232a33;
  --txt:#e6e9ee; --muted:#8b949e; --accent:#f0b90b;
  --up:#16c784; --down:#e15241;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}
.up{color:var(--up)}.down{color:var(--down)}.neu{color:var(--muted)}

.top{background:var(--bg2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar{display:flex;align-items:center;gap:20px;height:56px}
.brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}
.brand .logo{color:var(--accent)}
.gstats{display:flex;gap:18px;font-size:13px;color:var(--muted);flex:1}
.gstats b{color:var(--txt);font-weight:600}
.langsw{display:flex;gap:6px}
.langsw a{padding:4px 8px;border-radius:6px;font-size:13px;color:var(--muted);border:1px solid transparent}
.langsw a.on{color:var(--txt);border-color:var(--line);background:var(--panel)}

.adslot{margin:14px auto;min-height:0}
.adslot-top{min-height:90px}
.adslot-mid{min-height:120px;background:var(--panel);border:1px dashed var(--line);border-radius:8px}

h1{font-size:26px;margin:18px 0 6px}
.lead{color:var(--muted);margin:0 0 18px}

.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.coins{width:100%;border-collapse:collapse;font-size:14px;min-width:820px}
.coins th,.coins td{padding:12px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.coins thead th{color:var(--muted);font-weight:500;text-align:right;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.coins th.l,.coins td.l{text-align:left}.coins th.r,.coins td.r{text-align:right;width:40px}
.coins th.c,.coins td.c{text-align:center}.coins td.n,.coins th.n{text-align:right;font-variant-numeric:tabular-nums}
.coins tbody tr:hover{background:var(--panel)}
a.coin{display:flex;align-items:center;gap:10px}
a.coin img{border-radius:50%}
.cname{font-weight:600}.csym{color:var(--muted);font-size:12px;text-transform:uppercase}
.spark{vertical-align:middle}

/* coin page */
.crumbs{color:var(--muted);font-size:13px;margin:16px 0}
.crumbs a:hover{color:var(--txt)}.crumbs .cur{color:var(--txt)}
.coinhead{display:flex;align-items:center;gap:12px;margin:8px 0}
.coinhead h1{margin:0;font-size:24px}
.rankpill{background:var(--panel);border:1px solid var(--line);color:var(--muted);padding:2px 8px;border-radius:6px;font-size:13px}
.priceline{display:flex;align-items:baseline;gap:14px;margin:6px 0 18px}
.bigprice{font-size:34px;font-weight:700}
.chg{font-size:15px;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stats>div{background:var(--panel);padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.stats .k{color:var(--muted);font-size:12px}.stats .v{font-weight:600;font-variant-numeric:tabular-nums}
.chartbig{margin:20px 0;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.chartbig .spark{width:100%;height:auto}

.buybox{margin:22px 0}
.buybox h2,.about h2,.faqblock h2{font-size:18px;margin:0 0 12px}
.exchs{display:flex;gap:12px;flex-wrap:wrap}
a.exch{background:var(--accent);color:#111;font-weight:600;padding:10px 16px;border-radius:8px}
a.exch:hover{filter:brightness(1.08)}
.about{margin:24px 0}
.prose{color:#c8ccd2;max-width:820px}
.faqblock details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:8px;background:var(--panel)}
.faqblock summary{cursor:pointer;font-weight:600}
.faqblock p{color:var(--muted);margin:8px 0 0}
.upd{margin:22px 0;font-size:13px}

.foot{border-top:1px solid var(--line);margin-top:40px;padding:22px 0;color:var(--muted);font-size:13px}
.err{padding:60px 0;text-align:center}.err h1{font-size:60px;margin:0}

@media(max-width:640px){
  .gstats{display:none}.bigprice{font-size:28px}h1{font-size:22px}
}

.heroimg{margin:24px 0;text-align:center}
.heroimg img{max-width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}

.quickfacts{list-style:none;padding:12px 16px;margin:0 0 20px;background:var(--panel);border:1px solid var(--line);border-radius:10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:6px 20px;font-size:14px}
.quickfacts li{color:var(--txt)}
.quickfacts b{color:var(--muted);font-weight:500}

/* related coins block */
.relblock{margin:24px 0}
.relgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.relcard{display:flex;flex-direction:column;gap:4px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:10px;text-decoration:none;transition:box-shadow .2s ease,border-color .2s ease}
.relcard img{border-radius:50%}
.relname{font-weight:600;font-size:13px;display:flex;align-items:center;gap:6px}
.relsym{color:var(--muted);font-weight:400;font-size:11px;text-transform:uppercase}
.relprice{font-variant-numeric:tabular-nums;font-size:13px}

/* легкий glow on hover — тільки box-shadow, без reflow/blur */
a.exch,.pager .btn,.relcard{transition:box-shadow .2s ease,border-color .2s ease}
a.exch:hover,.pager .btn:hover,.relcard:hover{box-shadow:0 0 10px rgba(240,185,11,.35);border-color:rgba(240,185,11,.4)}
.coins tbody tr{transition:box-shadow .15s ease,background .15s ease}
.coins tbody tr:hover{box-shadow:inset 0 0 0 1px rgba(240,185,11,.22),0 0 12px rgba(240,185,11,.1)}
.quickfacts,.heroimg img,.stats>div{transition:box-shadow .2s ease}
.stats>div:hover{box-shadow:0 0 10px rgba(240,185,11,.15)}

/* легкий neon-glow на графіку ціни */
#tvchart{transition:box-shadow .2s ease}
.chartbig:hover #tvchart{box-shadow:0 0 16px rgba(240,185,11,.12)}