/* Meltrate — dark terminal, but make it gorgeous */
:root {
  --bg: #07090f;
  --bg-glow: radial-gradient(1200px 600px at 70% -10%, rgba(247,147,26,.07), transparent 60%),
             radial-gradient(900px 500px at 10% 110%, rgba(255,213,79,.05), transparent 55%);
  --panel: #0e1219;
  --panel2: #151b26;
  --line: #1f2735;
  --text: #e9edf4;
  --dim: #8b93a7;
  --accent: #f7931a;
  --down: #ef5350;
  --up: #26a69a;
  --font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
@font-face {
  font-family: "Inter";
  src: url("../vendor/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../vendor/fonts/jbmono-400.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../vendor/fonts/jbmono-700.ttf") format("truetype");
  font-weight: 700; font-style: normal; font-display: swap;
}
a { color: var(--accent); }

/* ---------- header ---------- */
header {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(14,18,25,.85);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: baseline; gap: .6rem; }
.logo { color: var(--accent); font-size: 1.5rem; font-family: var(--font-mono); }
h1 { font-size: 1.35rem; margin: 0; letter-spacing: .3px; font-weight: 800; }
.accent { color: var(--accent); }
.tagline { color: var(--dim); font-size: .78rem; font-family: var(--font-mono); }
.coin-switch { display: flex; gap: .4rem; flex-wrap: wrap; }
.coin-switch button {
  font-family: var(--font-mono); font-size: .82rem; cursor: pointer;
  padding: .45rem .9rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel2); color: var(--dim);
  transition: all .15s;
}
.coin-switch button:hover { color: var(--text); border-color: var(--coin, var(--accent)); }
.coin-switch button.active {
  border-color: var(--coin, var(--accent));
  color: var(--coin, var(--accent));
  box-shadow: 0 0 14px -5px var(--coin, var(--accent));
  background: color-mix(in srgb, var(--coin, var(--accent)) 12%, var(--panel2));
}

/* ---------- layout ---------- */
main { max-width: 1200px; margin: 0 auto; padding: 1rem 1.2rem 3rem; }
.hero-line { color: var(--dim); font-size: .95rem; max-width: 64rem; }
.hero-line strong { color: var(--text); }
.hero-gauge { color: var(--dim); font-size: .85rem; font-family: var(--font-mono); margin-top: .3rem; }
.hero-gauge b { color: var(--accent); }
.view-tabs { display: flex; gap: .3rem; margin: 1.1rem 0 1rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.view-tabs button {
  font: inherit; font-size: .85rem; cursor: pointer; padding: .55rem 1rem;
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--dim); border-radius: .4rem .4rem 0 0;
  transition: color .15s, background .15s;
}
.view-tabs button:hover { color: var(--text); background: rgba(255,255,255,.03); }
.view-tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.view.hidden { display: none; }
.updated { color: var(--dim); font-size: .75rem; font-family: var(--font-mono); margin: .4rem 0 1rem; }
.footnote { color: var(--dim); font-size: .72rem; max-width: 66rem; }
.fdi { display: block; margin-top: .4rem; }
h2 { font-size: 1.15rem; font-weight: 700; margin: .4rem 0; }
.sub { color: var(--dim); font-size: .8rem; margin: .2rem 0 .8rem; max-width: 66rem; }

/* ---------- coin strip ---------- */
.coin-strip { display: flex; gap: .5rem; flex-wrap: wrap; margin: .5rem 0 .3rem; }
.coin-chip {
  border: 1px solid var(--line); border-radius: .55rem;
  padding: .5rem .8rem; font-size: .8rem; background: var(--panel);
  font-family: var(--font-mono); cursor: pointer;
  transition: border-color .15s;
}
.coin-chip:hover { border-color: var(--accent); }
.coin-chip.active { border-color: var(--accent); }
.coin-chip b { font-size: .95rem; }
.coin-chip .p { color: var(--text); }
.coin-chip .chg { margin-left: .4rem; font-size: .72rem; }
.coin-chip .dim { color: var(--dim); font-size: .72rem; margin-left: .4rem; }
.chg.up { color: var(--up); }
.chg.down { color: var(--down); }
.melt.up { color: var(--up); }
.melt.down { color: var(--down); }
.melt.flat { color: var(--dim); }

/* ---------- price board ---------- */
.board { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: .8rem; }
.card {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem;
  padding: .95rem 1.05rem; background: var(--panel);
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 8px 28px -14px rgba(0,0,0,.9), 0 0 22px -16px var(--accent);
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) calc(var(--heat, 0) * 9%), transparent), transparent 55%);
  opacity: .5;
}
.card .cat { font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); font-weight: 600; }
.card .name { font-size: 1rem; margin: .15rem 0 .5rem; font-weight: 600; }
.card .usd { color: var(--dim); font-size: .78rem; font-family: var(--font-mono); }
.card .coinp { font-size: 1.3rem; font-weight: 700; margin-top: .1rem; font-family: var(--font-mono); }
.card .spark { margin-top: .5rem; }
.card .sparkline { height: 34px; width: 100%; display: block; opacity: .9; }

/* ---------- melt wall ---------- */
.wall-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: .9rem; }
.wall-card {
  border: 1px solid var(--line); border-radius: .8rem; background: var(--panel);
  padding: .8rem .9rem .6rem; transition: border-color .15s, transform .15s;
}
.wall-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-2px); }
.wall-head { display: flex; justify-content: space-between; gap: .6rem; align-items: flex-start; }
.wall-head .name { font-size: .95rem; font-weight: 600; }
.wall-right { text-align: right; }
.wall-right .coinp { font-family: var(--font-mono); font-size: .95rem; font-weight: 700; }
.wall-right .melt { font-family: var(--font-mono); font-size: .72rem; }
.wall-chart { height: 120px; margin-top: .5rem; }
.wall-src { color: var(--dim); font-size: .65rem; margin-top: .3rem; font-family: var(--font-mono); }

/* ---------- versus ---------- */
.vs-controls { display: flex; align-items: center; gap: .6rem; margin: .6rem 0 1rem; flex-wrap: wrap; }
.vs-controls label { color: var(--dim); font-size: .8rem; }
.vs-select {
  font: inherit; font-size: .85rem; padding: .45rem .7rem;
  background: var(--panel2); border: 1px solid var(--line); border-radius: .5rem; color: var(--text);
}
.vs-grid { display: flex; flex-direction: column; gap: .45rem; }
.vs-row { display: grid; grid-template-columns: minmax(140px, 220px) 1fr 90px; gap: .8rem; align-items: center; }
.vs-name { font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vs-name .dim { color: var(--dim); font-size: .72rem; font-family: var(--font-mono); }
.vs-bar { height: 14px; background: rgba(255,255,255,.04); border-radius: 999px; overflow: hidden; }
.vs-bar span { display: block; height: 100%; border-radius: 999px; opacity: .85; }
.vs-val { font-family: var(--font-mono); font-size: .85rem; text-align: right; }

/* ---------- charts ---------- */
.chart-head { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; justify-content: space-between; }
.chart-head h2 { font-size: 1.05rem; }
.range-row { display: flex; gap: .3rem; flex-wrap: wrap; }
.range-row button {
  font-family: var(--font-mono); font-size: .75rem; cursor: pointer; padding: .3rem .7rem;
  border-radius: 999px; border: 1px solid var(--line); background: var(--panel2); color: var(--dim);
}
.range-row button.active { color: var(--accent); border-color: var(--accent); }
.chart-box { border: 1px solid var(--line); border-radius: .8rem; background: var(--panel); padding: .8rem; margin: .6rem 0 1.4rem; height: 400px; }
.chart-box.tall { height: 470px; }

/* ---------- buying power ---------- */
.power-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .8rem; }
.power-card {
  border: 1px solid var(--line); border-radius: .8rem; padding: 1.1rem;
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  text-align: center;
}
.power-card .big { font-size: 1.55rem; font-weight: 700; font-family: var(--font-mono); }
.power-card .what { color: var(--dim); font-size: .8rem; margin-top: .3rem; }
.converter {
  display: flex; gap: .6rem; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: .8rem; padding: 1rem; background: var(--panel);
}
.converter input, .converter select, .converter output {
  font-family: var(--font-mono); padding: .5rem .7rem; background: var(--panel2);
  border: 1px solid var(--line); border-radius: .4rem; color: var(--text);
}
.converter input { width: 11rem; }
.converter output { font-weight: 700; }

/* ---------- race table ---------- */
.race-table-wrap { overflow-x: auto; margin-top: 1rem; }
.race-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.race-table th, .race-table td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--line); }
.race-table th { color: var(--dim); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }

footer {
  border-top: 1px solid var(--line); color: var(--dim);
  padding: 1.2rem 1.5rem 2rem; font-size: .72rem; max-width: 1200px; margin: 0 auto;
}
@media (max-width: 640px) {
  .chart-box { height: 300px; }
  header { padding: .8rem 1rem; }
  .vs-row { grid-template-columns: minmax(110px, 45%) 1fr 70px; }
}