/* btcheatmap.com — "Obsidian Violet" theme. Deep violet-black surfaces, magenta→violet accents,
   full-bleed treemap hero. Original design, no shared lineage with sibling sites. */
:root{
  --bg:#0F0C16;
  --bg2:#131019;
  --panel:#191323;
  --panel2:#201931;
  --line:#2C2342;
  --line2:#3A2F57;
  --ink:#F4F1FA;
  --ink2:#B4ABCC;
  --dim:#9C93B5;
  --vio:#9D7BFF;
  --mag:#E45AA8;
  --up:#3DD68C;
  --down:#FF6B7A;
  --up-deep:#0BD98B;
  --down-deep:#F0435C;
  --radius:14px;
  font-size:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans","Noto Sans SC",sans-serif;
  line-height:1.55;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.dim{color:var(--dim)}
.up{color:var(--up)}
.down{color:var(--down)}
.flat{color:var(--dim)}
b,strong{font-weight:600}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:rgba(15,12,22,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr-in{
  max-width:1440px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;gap:22px;min-height:60px;flex-wrap:wrap;
}
.logo{display:flex;align-items:center;gap:10px;padding:8px 0}
.logo-mark{
  display:grid;grid-template-columns:11px 7px;grid-template-rows:11px 7px;gap:2px;
  transform:rotate(0.001deg);
}
.logo-mark i{border-radius:3px;display:block}
.logo-mark .q1{background:var(--up-deep)}
.logo-mark .q2{background:var(--vio)}
.logo-mark .q3{background:var(--mag)}
.logo-mark .q4{background:var(--down-deep)}
.logo-word{
  font-weight:800;letter-spacing:.18em;font-size:.85rem;
  background:linear-gradient(92deg,var(--ink) 30%,var(--vio) 75%,var(--mag));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  white-space:nowrap;
}
.nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.nav a{
  padding:7px 14px;border-radius:999px;font-size:.85rem;color:var(--ink2);
  border:1px solid transparent;
}
.nav a:hover{color:var(--ink);background:var(--panel)}
.nav a.on{color:var(--ink);background:var(--panel2);border-color:var(--line2)}
.lang-box select{
  background:var(--panel);color:var(--ink);border:1px solid var(--line2);
  border-radius:10px;padding:7px 10px;font-size:.8rem;max-width:150px;
}

/* ---------- stat rail ---------- */
.rail{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
  padding:10px 20px;max-width:1440px;margin:0 auto;
}
.rail::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:baseline;gap:8px;white-space:nowrap;
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.78rem;
}
.chip b{color:var(--dim);font-weight:500;letter-spacing:.04em;text-transform:uppercase;font-size:.75rem}
.chip em{font-style:normal;font-weight:700;font-variant-numeric:tabular-nums}
.chip i{font-style:normal;font-size:.75rem;font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.main{max-width:1440px;margin:0 auto;padding:8px 20px 40px}
.hero-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:10px 2px 14px}
h1{font-size:1.5rem;font-weight:800;letter-spacing:-.01em}
.tagline{color:var(--dim);font-size:.85rem}

/* ---------- controls ---------- */
.ctrls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.seg{
  display:inline-flex;align-items:center;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;padding:3px;gap:2px;
}
.seg-lbl{font-size:.75rem;color:var(--dim);padding:0 8px;letter-spacing:.05em;text-transform:uppercase}
.seg button{
  padding:6px 13px;border-radius:9px;font-size:.8rem;color:var(--ink2);
  font-variant-numeric:tabular-nums;
}
.seg button:hover{color:var(--ink)}
.seg button.on{
  background:linear-gradient(135deg,var(--vio),var(--mag));
  color:#0E0A14;font-weight:700;
}
.legend{display:inline-flex;align-items:center;gap:8px;margin-inline-start:auto;font-size:.75rem;color:var(--dim);font-variant-numeric:tabular-nums}
.leg-bar{
  width:130px;height:10px;border-radius:5px;display:inline-block;
  background:linear-gradient(90deg,var(--down-deep),#55405F 50%,var(--up-deep));
  border:1px solid var(--line2);
}

/* ---------- treemap ---------- */
.tm-wrap{position:relative}
.treemap{
  position:relative;width:100%;
  height:calc(100vh - 320px);min-height:430px;max-height:820px;
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.tm-loading{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--dim);font-size:.9rem;
}
.tm-cell{
  position:absolute;overflow:hidden;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  outline:2px solid var(--bg2);border-radius:4px;
  transition:filter .12s;
  text-align:center;line-height:1.2;
}
.tm-cell:hover{filter:brightness(1.22);z-index:5}
.tm-sym{font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.45)}
.tm-pct{font-weight:600;color:rgba(255,255,255,.92);text-shadow:0 1px 2px rgba(0,0,0,.4);font-variant-numeric:tabular-nums}
.tm-px{color:rgba(255,255,255,.75);font-variant-numeric:tabular-nums}
.tm-tip{
  position:fixed;z-index:90;pointer-events:none;min-width:200px;
  background:rgba(22,17,33,.97);border:1px solid var(--line2);border-radius:12px;
  padding:12px 14px;font-size:.8rem;box-shadow:0 12px 34px rgba(0,0,0,.55);
}
.tm-tip .tt-h{display:flex;align-items:center;gap:8px;font-weight:800;font-size:.9rem;margin-bottom:6px}
.tm-tip .tt-h img{width:20px;height:20px;border-radius:50%}
.tm-tip .tt-r{display:flex;justify-content:space-between;gap:18px;padding:2px 0;font-variant-numeric:tabular-nums}
.tm-tip .tt-r b{color:var(--dim);font-weight:500}
.updated{display:flex;gap:16px;flex-wrap:wrap;margin:10px 2px;font-size:.78rem;color:var(--ink2)}
.updated b{font-variant-numeric:tabular-nums}

/* ---------- tri cards ---------- */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg2) 130%);
  border:1px solid var(--line);border-radius:var(--radius);padding:16px;
}
.card-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-h h2{font-size:.95rem;font-weight:700}
.card-h a{font-size:.76rem;color:var(--vio)}
.card-h a:hover{color:var(--mag)}
.mrow{
  display:grid;grid-template-columns:20px minmax(52px,auto) 1fr auto;align-items:center;gap:10px;
  padding:7px 8px;border-radius:9px;font-size:.83rem;font-variant-numeric:tabular-nums;
}
.mrow:hover{background:var(--panel2)}
.mrow img{border-radius:50%}
.mrow b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;max-width:120px}
.mrow span{color:var(--ink2);text-align:end}
.mrow i{font-style:normal;font-weight:700;min-width:72px;text-align:end}

/* ---------- about ---------- */
.about{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0;
}
.about-col{
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  border-inline-start:3px solid var(--vio);
}
.about-col:last-child{border-inline-start-color:var(--mag)}
.about-col h2{font-size:1rem;margin-bottom:8px}
.about-col p{color:var(--ink2);font-size:.86rem}

/* ---------- tables / list pages ---------- */
.listpg{margin-top:14px}
.list-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.backlink{color:var(--vio);font-size:.83rem}
.backlink:hover{color:var(--mag)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2)}
.tbl{width:100%;border-collapse:collapse;font-size:.85rem;min-width:560px}
.tbl th{
  text-align:start;color:var(--dim);font-weight:500;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;
  padding:12px 14px;border-bottom:1px solid var(--line2);white-space:nowrap;
}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;font-variant-numeric:tabular-nums}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:var(--panel)}
.tbl .num{text-align:end}
.tbl th.num{text-align:end}
.coin-cell{display:inline-flex;align-items:center;gap:9px;min-width:0;max-width:100%}
.coin-cell img{border-radius:50%;flex:0 0 auto}
.coin-cell b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px;min-width:0}
.coin-cell:hover b{color:var(--vio)}
.tbl td.td-name{max-width:230px}
.tbl .cell-name{display:inline-block;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}

/* ---------- coin page ---------- */
.coinpg{margin-top:14px}
.coin-hero{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(115deg,var(--panel) 55%,#241537);
  border:1px solid var(--line2);border-radius:var(--radius);padding:22px;margin:14px 0 16px;
}
.coin-id{display:flex;align-items:center;gap:14px;min-width:0}
.coin-id img{border-radius:50%;flex:0 0 auto}
.coin-id>div{min-width:0}
.coin-id h1{font-size:1.6rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.coin-id .dim{font-size:.8rem}
.coin-price{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.coin-price .big{font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.pillpct{
  padding:6px 12px;border-radius:999px;font-weight:700;font-size:.85rem;
  background:rgba(255,255,255,.05);border:1px solid var(--line2);font-variant-numeric:tabular-nums;
}
.pillpct.up{background:rgba(61,214,140,.12);border-color:rgba(61,214,140,.4)}
.pillpct.down{background:rgba(255,107,122,.12);border-color:rgba(255,107,122,.4)}
.statgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:24px}
.stat{
  background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;
}
.stat b{display:block;color:var(--dim);font-weight:500;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.stat em{font-style:normal;font-weight:700;font-size:1rem;font-variant-numeric:tabular-nums}
.sec-t{font-size:1.05rem;margin:20px 0 12px}
.liqgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.liqcard{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px}
.liq-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.liq-h b{color:var(--dim);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.liq-h em{font-style:normal;font-weight:800;font-variant-numeric:tabular-nums}
.liqbar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--panel2)}
.liqbar span{display:block;height:100%}
.liq-l{background:var(--down-deep)}
.liq-s{background:var(--up-deep)}
.liq-leg{display:flex;justify-content:space-between;gap:8px;margin-top:9px;font-size:.75rem;color:var(--ink2);flex-wrap:wrap}
.liq-leg b{font-variant-numeric:tabular-nums;color:var(--ink)}
.dot{width:8px;height:8px;border-radius:2px;display:inline-block;margin-inline-end:5px}
.dot.dl{background:var(--down-deep)}
.dot.ds{background:var(--up-deep)}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--line);background:var(--bg2);margin-top:30px}
.ftr-in{max-width:1440px;margin:0 auto;padding:26px 20px}
.ftr-note{color:var(--ink2);font-size:.82rem;max-width:860px}
.ftr-note.dim{margin-top:6px;font-size:.76rem}
.ftr-langs{display:flex;flex-wrap:wrap;gap:4px 14px;margin:16px 0;font-size:.76rem}
.ftr-langs a{color:var(--dim);padding:2px 0}
.ftr-langs a:hover,.ftr-langs a.on{color:var(--vio)}
.ftr-copy{color:var(--dim);font-size:.76rem}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .tri{grid-template-columns:1fr 1fr}
  .statgrid{grid-template-columns:repeat(3,1fr)}
  .liqgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  .hdr-in{gap:10px;padding:0 12px}
  .nav{order:3;flex-basis:100%;padding-bottom:8px}
  .nav a{padding:6px 11px;font-size:.8rem}
  .main{padding:6px 12px 30px}
  .rail{padding:8px 12px}
  .treemap{height:62vh;min-height:400px}
  .tri{grid-template-columns:1fr}
  .about{grid-template-columns:1fr}
  .legend{margin-inline-start:0;flex-basis:100%}
  .statgrid{grid-template-columns:repeat(2,1fr)}
  .coin-price .big{font-size:1.5rem}
  h1{font-size:1.25rem}
  .hide-m{display:none}
  .tbl{min-width:430px}
}
@media (max-width:720px){
  .coin-cell b{max-width:100px}
  .tbl td.td-name{max-width:150px}
  .tbl .cell-name{max-width:100px}
  .mrow b{max-width:90px}
  .coin-id h1{font-size:1.25rem}
}