:root {
  --bg: #0a0a09;
  --bg2: #0f0f0e;
  --panel: #131312;
  --hover: #1a1a18;
  --line: #24231f;
  --line2: #33312c;
  --fg: #ebe9e2;
  --fg2: #b9b6ac;
  --dim: #7f7c72;
  --faint: #4a4842;
  --acc: #c9ff34;
  --acc-ink: #0a0a09;
  --acc-dim: rgba(201, 255, 52, .1);
  --warn: #f2c55a;
  --err: #ff7a6b;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --top: 52px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { font: 13.5px/1.6 var(--mono); -webkit-font-smoothing: antialiased; }
::selection { background: var(--acc); color: var(--acc-ink); }
a { color: inherit; }
button { font: inherit; color: inherit; }
.dim { color: var(--dim); }
.faint { color: var(--faint); }
.acc { color: var(--acc); }
[hidden] { display: none !important; }
:focus-visible { outline: 1px solid var(--acc); outline-offset: 2px; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- top bar ---------- */
.top { position: sticky; top: 0; z-index: 30; height: var(--top); display: flex; align-items: center; gap: 28px; padding: 0 18px; background: rgba(10,10,9,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.brand img { width: 22px; height: 22px; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.brand:hover img { transform: rotate(90deg); }
.nav { display: flex; gap: 4px; }
.nav a { padding: 5px 10px; border-radius: 4px; color: var(--dim); text-decoration: none; }
.nav a:hover { color: var(--fg); background: var(--hover); }
.nav a.on { color: var(--fg); }
.nav a.on::before { content: '> '; color: var(--acc); }
.top-r { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.tank-pill { display: flex; align-items: center; gap: 10px; text-decoration: none; padding: 5px 10px; border: 1px solid var(--line); border-radius: 4px; font-size: 12px; color: var(--fg2); white-space: nowrap; }
.tank-pill:hover { border-color: var(--line2); }
.tank-pill .lbl { color: var(--dim); }
.tank-pill b { color: var(--fg); font-weight: 500; }
.tank-pill .sep { color: var(--faint); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); flex: none; }
.dot.live { background: var(--acc); box-shadow: 0 0 8px var(--acc); }
.dot.low { background: var(--warn); }
.dot.dry { background: var(--err); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 4px; padding: 4px 9px; cursor: pointer; color: var(--fg2); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- generic ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 4px; border: 1px solid var(--line2); background: none; cursor: pointer; text-decoration: none; color: var(--fg); white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn.pri { background: var(--acc); color: var(--acc-ink); border-color: var(--acc); font-weight: 500; }
.btn.pri:hover { filter: brightness(1.08); }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; padding: 1px 7px; border-radius: 3px; border: 1px solid var(--line2); color: var(--fg2); white-space: nowrap; }
.chip.t1 { color: var(--acc); border-color: rgba(201,255,52,.3); }
.chip.t2 { color: #9fd3ff; border-color: rgba(159,211,255,.3); }
.chip.t3 { color: #e0b0ff; border-color: rgba(224,176,255,.3); }
kbd { font: 11px var(--mono); padding: 1px 5px; border: 1px solid var(--line2); border-bottom-width: 2px; border-radius: 3px; color: var(--dim); }

/* ---------- content pages ---------- */
.page { max-width: 1040px; margin: 0 auto; padding: 48px 20px 80px; }
.page-head { margin-bottom: 40px; }
.page-head .kicker { color: var(--dim); font-size: 12px; margin-bottom: 14px; }
.page-head .kicker::before { content: '$ '; color: var(--acc); }
.page-head h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.05; letter-spacing: -.04em; margin: 0 0 14px; }
.page-head p { color: var(--dim); max-width: 640px; margin: 0; font-size: 14px; }
.sec { margin: 0 0 56px; }
.sec-h { display: flex; align-items: baseline; gap: 12px; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.sec-h .n { color: var(--faint); }
.sec-h .r { margin-left: auto; text-transform: none; letter-spacing: 0; color: var(--dim); font-weight: 400; }
.card { border: 1px solid var(--line); border-radius: 6px; background: var(--bg2); }
.foot { border-top: 1px solid var(--line); padding: 22px 20px 36px; font-size: 12px; color: var(--dim); display: flex; gap: 20px; flex-wrap: wrap; max-width: 1040px; margin: 0 auto; }
.foot a { color: var(--dim); }
.foot a:hover { color: var(--fg); }
.foot .sp { margin-left: auto; }

table.t { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.t th { text-align: left; font-weight: 400; color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.t td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.t tr:last-child td { border-bottom: 0; }
.t .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.empty { color: var(--dim); padding: 28px 16px; text-align: center; font-size: 12.5px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 7px 14px; border-radius: 4px; font-size: 12px; z-index: 100; opacity: 0; transition: opacity .15s; pointer-events: none; }
.toast.on { opacity: 1; }

@media (max-width: 760px) {
  .top { gap: 12px; padding: 0 12px; }
  .nav { display: none; position: absolute; top: var(--top); left: 0; right: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 12px; }
  .menu-btn { display: block; }
  .tank-pill { gap: 6px; padding: 5px 8px; font-size: 11px; }
  .top-r { min-width: 0; }
  .page { padding: 32px 16px 64px; }
}
.spin { animation: spin 2.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } .brand:hover img { transform: none; } }
@media (max-width: 520px) { .brand-t { display: none; } }

/* CA + X in the top bar */
.ca-pill { display: flex; align-items: center; gap: 8px; padding: 5px 10px; border: 1px dashed var(--line2); border-radius: 4px; background: none; font-size: 12px; color: var(--dim); cursor: default; white-space: nowrap; }
.ca-pill code { color: var(--fg2); font-size: 12px; }
.ca-pill.live { border-style: solid; border-color: rgba(201,255,52,.4); cursor: pointer; }
.ca-pill.live .lbl { color: var(--acc); }
.ca-pill.live code { color: var(--fg); }
.ca-pill.live:hover { background: var(--acc-dim); }
.ca-copy { color: var(--dim); font-size: 11px; }
.x-btn { display: grid; place-items: center; width: 30px; height: 28px; border: 1px solid var(--line); border-radius: 4px; color: var(--fg); text-decoration: none; }
.x-btn:hover { border-color: var(--line2); background: var(--hover); }
.x-btn.off { color: var(--faint); pointer-events: none; }
@media (max-width: 760px) {
  .top-r { gap: 6px; }
  .ca-pill { padding: 5px 7px; font-size: 11px; }
  .ca-pill code, .ca-copy { display: none; }
  .ca-pill:not(.live) { display: none; }
  .tank-pill .lbl { display: none; }
}