/*
  CRONOS — near-black ground, one yellow accent, everything else is type.

  The palette, the radii and the two typefaces are taken from the house style
  rather than picked fresh, so this sits next to the other sites instead of
  looking like a stranger.
*/

:root {
  --bg: #0a0a0d;
  --bg-2: #121218;
  --panel: #101113;
  --panel-2: #161719;
  --line: #1e2023;
  --line-2: #2c2f34;
  --txt: #f4f5f7;
  --txt-2: #9aa0a8;
  --txt-3: #5d636c;

  --yellow: #f8d048;
  --yellow-2: #ffe27a;
  --yellow-dim: rgba(248, 208, 72, 0.14);

  --ok: #46c98b;
  --bad: #ef5f5f;

  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 22px;
  --maxw: 1200px;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --t: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------------------------------------------------------------- header */

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 28px;
  background: rgba(10, 10, 13, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }

.mark {
  color: var(--bg);
  background: var(--yellow);
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
}

.wordmark {
  font-weight: 800;
  letter-spacing: 0.16em;
  font-size: 14px;
}

.tabs { display: flex; gap: 4px; margin-left: 14px; }

.tab {
  background: none;
  border: 0;
  color: var(--txt-2);
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t), background var(--t);
}
.tab:hover { color: var(--txt); background: var(--panel-2); }
.tab.is-active { color: var(--yellow); background: var(--yellow-dim); }

.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.chain-pick {
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  color: var(--txt);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

/* ---------------------------------------------------------------- layout */

main { max-width: var(--maxw); margin: 0 auto; padding: 48px 28px 100px; }

.panel { display: none; }
.panel.is-active { display: block; }

.hero { margin-bottom: 34px; }

h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.12;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.lede { color: var(--txt-2); max-width: 64ch; margin: 0; font-size: 16px; }

/* ------------------------------------------------------------ chain facts */

.stat-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-width: 136px;
}
.stat .k {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--txt-3);
  margin-bottom: 5px;
}
.stat .v { font-size: 14px; font-weight: 700; }

/* ------------------------------------------------------------------ forms */

.form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(262px, 1fr));
  gap: 22px;
}

.field { display: flex; flex-direction: column; gap: 7px; }
.field-wide { grid-column: 1 / -1; }

.label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--txt-2);
}

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  color: var(--txt);
  padding: 11px 13px;
  font: inherit;
  width: 100%;
  transition: border-color var(--t), box-shadow var(--t);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px var(--yellow-dim);
}
input[type="file"] { padding: 9px; color: var(--txt-2); }
textarea { resize: vertical; }

.with-suffix { position: relative; display: flex; align-items: center; }
.with-suffix input { padding-right: 104px; }
.suffix {
  position: absolute;
  right: 13px;
  color: var(--txt-3);
  font-family: var(--mono);
  font-size: 12px;
  pointer-events: none;
}

.hint { font-size: 12.5px; color: var(--txt-3); line-height: 1.5; }

.actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.btn {
  border: 1px solid var(--line-2);
  background: var(--panel-2);
  color: var(--txt);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--t), filter var(--t), border-color var(--t);
}
.btn:hover { border-color: var(--txt-3); }

.btn-primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #16130a;
}
.btn-primary:hover { background: var(--yellow-2); border-color: var(--yellow-2); }
.btn-lg { padding: 13px 26px; font-size: 15px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; filter: grayscale(0.4); }

.status { font-size: 13.5px; color: var(--txt-2); }
.status.ok { color: var(--ok); }
.status.bad { color: var(--bad); }
.status a { color: var(--yellow); }

/* ------------------------------------------------------------------ cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color var(--t);
}
.card:hover { border-color: var(--line-2); }
.card h3 { margin: 0 0 3px; font-size: 16px; font-weight: 700; }
.card .sym { color: var(--txt-2); font-family: var(--mono); font-size: 12px; }

.card .row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  margin-top: 9px;
}
.card .row .k { color: var(--txt-3); }
.card .row .v { font-family: var(--mono); font-size: 12px; }
.card .row .v a { color: var(--yellow); text-decoration: none; }
.card .row .v a:hover { text-decoration: underline; }

.card .head { display: flex; gap: 13px; align-items: center; }
.card img.logo,
.card .logo {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--panel-2);
  flex: none;
}

.card .links { display: flex; gap: 12px; margin-top: 14px; }
.card .links a {
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 11.5px;
  text-decoration: none;
}
.card .links a:hover { text-decoration: underline; }

.empty { color: var(--txt-3); }

/* ------------------------------------------------------------------ toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 500;
  max-width: 90vw;
  z-index: 40;
}
.toast.bad { border-color: var(--bad); }
.toast.ok { border-color: var(--yellow); }

@media (max-width: 760px) {
  .top { flex-wrap: wrap; gap: 12px; padding: 13px 16px; }
  .tabs { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  main { padding: 30px 16px 84px; }
  .form { padding: 20px; }
}