:root {
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #18212d;
  --line: #243041;
  --line-hover: #3a4d66;
  --ink: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3d8bfd;
  --grok: #22c55e;
  --claude: #f59e0b;
  --gpt: #a78bfa;
  --gh: #e8eef6;
  --warn: #f59e0b;
  --danger: #ef4444;
  --ok: #22c55e;
  --radius: 16px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "DM Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(1100px 520px at 8% -8%, rgba(61, 139, 253, 0.16), transparent 55%),
    radial-gradient(800px 420px at 100% 0%, rgba(167, 139, 250, 0.12), transparent 50%),
    var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

.app { max-width: 1080px; margin: 0 auto; padding: 28px 18px 80px; }

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
}
.top-copy { min-width: 0; flex: 1; }
.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: none;
  padding-top: 0;
}
.back {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.back:hover { color: var(--ink); }
.back:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
h1 {
  margin: 0 0 6px;
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  letter-spacing: -0.03em;
}
.lede { margin: 0; color: var(--muted); max-width: 62ch; font-size: 0.95rem; }
.stamp {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font: 600 0.9rem/1 var(--sans);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: background 0.15s, border-color 0.15s, transform 0.1s, opacity 0.15s;
}
.btn:hover { border-color: var(--line-hover); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn.ghost { background: transparent; }
.btn .btn-icon {
  width: 16px;
  height: 16px;
  flex: none;
}
.btn.is-loading .btn-icon {
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .btn.is-loading .btn-icon { animation: none; }
  .btn { transition: none; }
}

.hero {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 26px 0 18px;
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .top { gap: 10px; }
  .lede { font-size: 0.9rem; }
}
.ring-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}
.ring-card h2 {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.big {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.big .unit {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  margin-left: 4px;
}
.sub { color: var(--muted); font-size: 0.82rem; margin-top: 6px; }
.bar {
  height: 7px;
  background: #1c2633;
  border-radius: 99px;
  margin-top: 12px;
  overflow: hidden;
}
.bar > i {
  display: block;
  height: 100%;
  border-radius: 99px;
  width: 0;
}
.bar.gh > i { background: linear-gradient(90deg, #94a3b8, #e8eef6); }
.bar.grok > i { background: linear-gradient(90deg, #15803d, #22c55e); }
.bar.claude > i { background: linear-gradient(90deg, #d97706, #f59e0b); }
.bar.gpt > i { background: linear-gradient(90deg, #7c3aed, #a78bfa); }

.meters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 18px;
}
@media (max-width: 860px) {
  .meters { grid-template-columns: 1fr; }
}
.usage-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}
.usage-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}
.usage-card header h2 {
  margin: 0;
  font-size: 1.02rem;
}
.plan-pill {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 3px 8px;
  border-radius: 99px;
  background: #1c2633;
  color: var(--muted);
  text-transform: capitalize;
}
.usage-card.grok .bar > i { background: linear-gradient(90deg, #15803d, #22c55e); }
.usage-card.claude .bar > i { background: linear-gradient(90deg, #d97706, #f59e0b); }
.usage-card.gpt .bar > i { background: linear-gradient(90deg, #7c3aed, #a78bfa); }
.meter { margin: 0 0 14px; }
.meter-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.meter-head strong { font-variant-numeric: tabular-nums; }
.meter-foot {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 6px;
}
.extras {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
  display: grid;
  gap: 4px;
}
.extras strong { color: var(--ink); font-weight: 650; }
.src {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: #64748b;
  word-break: break-all;
}

.grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 12px;
}
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 8px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 1.02rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0 8px 8px 0;
}
td {
  padding: 9px 8px 9px 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
td a { color: var(--ink); text-decoration: none; }
td a:hover { color: var(--accent); }
.mono { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }
.pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  background: #1c2633;
  color: var(--muted);
}
.pill.ok { background: rgba(34,197,94,.15); color: #4ade80; }
.pill.fail { background: rgba(239,68,68,.15); color: #fca5a5; }
.pill.priv { background: rgba(245,158,11,.12); color: #fbbf24; }

.product {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.product:first-of-type { border-top: 0; }
.dot {
  width: 10px; height: 10px; border-radius: 99px; margin-top: 6px; flex: none;
}
.product h3 { margin: 0; font-size: 0.95rem; }
.product p { margin: 2px 0 0; color: var(--muted); font-size: 0.82rem; }
.statline {
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-top: 6px;
  color: var(--ink);
}

.notes {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}
.notes li { margin: 0 0 6px; }
.empty { color: var(--muted); padding: 12px 0 16px; }
.err {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.35);
  color: #fecaca;
  padding: 12px 14px;
  border-radius: 12px;
  margin: 16px 0;
}