:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --surface-2: #f3f2ee;
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781;
  --grid: #e1e0d9; --axis: #c3c2b7; --border: rgba(11, 11, 11, .10);
  --claude: #2a78d6; --codex: #eb6834;
  --claude-wash: rgba(42, 120, 214, .10); --codex-wash: rgba(235, 104, 52, .10);
  --good: #0ca30c; --good-ink: #006300; --warning: #fab219; --critical: #d03b3b; --critical-ink: #b42b2b;
  --heat-0: #f0efec;
  --seq: #cde2fb,#9ec5f4,#6da7ec,#3987e5,#256abf,#184f95,#0d366b;
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, .10);
    --claude: #3987e5; --codex: #d95926;
    --claude-wash: rgba(57, 135, 229, .14); --codex-wash: rgba(217, 89, 38, .14);
    --good-ink: #0ca30c; --critical-ink: #e66767;
    --heat-0: #232321;
    --seq: #0d366b,#104281,#184f95,#1c5cab,#2a78d6,#5598e7,#86b6ef;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, .10);
  --claude: #3987e5; --codex: #d95926;
  --claude-wash: rgba(57, 135, 229, .14); --codex-wash: rgba(217, 89, 38, .14);
  --good-ink: #0ca30c; --critical-ink: #e66767;
  --heat-0: #232321;
  --seq: #0d366b,#104281,#184f95,#1c5cab,#2a78d6,#5598e7,#86b6ef;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); }
body { font-size: 15px; line-height: 1.45; -webkit-text-size-adjust: 100%; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
button, input { font: inherit; color: inherit; }
a { color: inherit; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px 48px; }
.topbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 18px 0 8px; }
.topbar .meta { color: var(--ink-2); font-size: 13px; margin-right: auto; }
.topbar form { margin: 0; }
.ghost { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer; color: var(--ink-2); }
.ghost:hover { background: var(--surface-2); }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--ink-2); }
.badge.bad::before { content: "!"; font-weight: 700; color: var(--critical-ink); }

section { margin-top: 28px; }
.section-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.section-head p { margin: 0; color: var(--ink-2); font-size: 13px; }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
@media (max-width: 520px) { .grid.two, .grid { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; min-width: 0; }
.card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.card-head h3 { margin-right: auto; }
.key { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.key.claude { background: var(--claude); } .key.codex { background: var(--codex); }
.line-key { width: 16px; height: 0; border-top: 2px solid var(--muted); flex: none; display: inline-block; vertical-align: middle; }
.line-key.claude { border-color: var(--claude); } .line-key.codex { border-color: var(--codex); }
.line-key.dash { border-top-style: dashed; }
.line-key.scn { border-top-width: 1.5px; border-top-style: dashed; border-color: var(--muted); }

/* Current-allowance cards */
.big { font-size: 48px; font-weight: 650; line-height: 1.05; letter-spacing: -.02em; }
.big small { font-size: 16px; font-weight: 500; color: var(--ink-2); margin-left: 6px; letter-spacing: 0; }
.meter { height: 8px; border-radius: 99px; background: var(--surface-2); margin: 10px 0 8px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 99px; }
.meter i.claude { background: var(--claude); } .meter i.codex { background: var(--codex); }
.meter i.warning { background: var(--warning); } .meter i.critical { background: var(--critical); }
.sub { color: var(--ink-2); font-size: 13px; }
.verdict { margin: 12px 0 8px; font-weight: 550; display: flex; gap: 8px; align-items: flex-start; }
.verdict .icon { flex: none; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; color: #fff; margin-top: 2px; }
.verdict .icon.ok { background: var(--good); } .verdict .icon.warn { background: var(--warning); color: #0b0b0b; } .verdict .icon.bad { background: var(--critical); } .verdict .icon.idle { background: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 14px; margin: 0; }
.facts div { min-width: 0; }
.facts dt { font-size: 12px; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.compare { margin-top: 10px; font-size: 13px; color: var(--ink-2); }

/* Lifetime band */
.tiles { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.tile .label { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.tile .value { font-size: 28px; font-weight: 650; letter-spacing: -.01em; margin-top: 2px; }
.tile .note { font-size: 12px; color: var(--muted); }
.tile.hero .value { font-size: 48px; line-height: 1.1; }

/* Filters */
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.seg { border: 1px solid var(--border); background: var(--surface); border-radius: 8px; padding: 5px 12px; cursor: pointer; color: var(--ink-2); font-size: 13px; }
.seg:hover { background: var(--surface-2); }
.seg[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); font-weight: 600; }

/* Charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; touch-action: pan-y; }
.chart.loading { opacity: .5; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.baseline { stroke: var(--axis); stroke-width: 1; }
.tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.tick.end { text-anchor: end; } .tick.mid { text-anchor: middle; }
.mark-label { fill: var(--ink-2); font-size: 11px; }
.mark-label.strong { fill: var(--ink); font-weight: 600; }
.ln { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.ln.claude { stroke: var(--claude); } .ln.codex { stroke: var(--codex); }
.ln.dash { stroke-dasharray: 6 5; }
.ln.scn { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 4 4; }
.ln.avg { stroke: var(--ink-2); stroke-width: 1.5; }
.area.claude { fill: var(--claude-wash); } .area.codex { fill: var(--codex-wash); }
.vline { stroke: var(--axis); stroke-width: 1; }
.vline.reset { stroke: var(--ink-2); stroke-dasharray: 2 3; }
.dot { stroke: var(--surface); stroke-width: 2; }
.dot.claude { fill: var(--claude); } .dot.codex { fill: var(--codex); } .dot.scn { fill: var(--muted); }
.bar.claude { fill: var(--claude); } .bar.codex { fill: var(--codex); }
.bar.soft { opacity: .45; }
.bar:hover, .cell:hover { opacity: .8; }
.crosshair { stroke: var(--ink-2); stroke-width: 1; pointer-events: none; }
.hit { fill: transparent; cursor: crosshair; }
.cell { stroke: var(--surface); stroke-width: 2; }
.legend { display: flex; gap: 6px 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.heat-scale { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.heat-scale i { display: block; width: 120px; height: 8px; border-radius: 4px; }
.empty { color: var(--muted); font-size: 13px; padding: 24px 0; text-align: center; }

.tooltip { position: fixed; left: 0; top: 0; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; font-size: 12px; box-shadow: 0 6px 24px rgba(0,0,0,.14);
  min-width: 140px; max-width: 260px; opacity: 0; transition: opacity .08s; }
.tooltip.on { opacity: 1; }
.tooltip .t-time { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .t-row { display: flex; align-items: center; gap: 8px; }
.tooltip .t-row b { font-variant-numeric: tabular-nums; }
.tooltip .t-row span { color: var(--ink-2); }

.table-toggle { margin-top: 8px; font-size: 12px; padding: 3px 10px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 8px; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--grid); }
.data-table td.num, .data-table th.num { text-align: right; }
.table-wrap { max-height: 260px; overflow: auto; }

.footer { margin-top: 36px; color: var(--muted); font-size: 12px; }
.notice { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; color: var(--ink-2); }

/* Sign-in pages */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.auth-sub { color: var(--ink-2); margin: 6px 0 18px; font-size: 14px; }
.auth-card form { display: grid; gap: 14px; }
.auth-card label { display: grid; gap: 6px; font-size: 13px; color: var(--ink-2); }
.auth-card input { padding: 10px 12px; border: 1px solid var(--axis); border-radius: 8px; background: var(--page); font-size: 16px; }
.auth-card input:focus { outline: 2px solid var(--claude); outline-offset: 1px; }
.auth-card button { padding: 10px 12px; border: 0; border-radius: 8px; background: var(--ink); color: var(--surface); font-weight: 600; cursor: pointer; }
.auth-error { background: var(--surface-2); border-left: 3px solid var(--critical); padding: 8px 10px; border-radius: 6px; font-size: 13px; margin: 0 0 14px; }
.auth-hint { font-size: 12px; color: var(--muted); margin: 0; }
.spaced { margin-top: 14px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grid); margin-top: 6px; overflow-x: auto; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; cursor: pointer; color: var(--ink-2); font-weight: 550; margin-bottom: -1px; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
section[hidden] { display: none; }

/* Banked resets */
.badge.good { border-color: var(--good); color: var(--good-ink); }
.badge.good::before { content: "✓"; font-weight: 700; }
.steps { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 13px; }
.steps li { margin: 4px 0; }
.link-button { background: none; border: 0; padding: 0; color: inherit; text-decoration: underline; cursor: pointer; font: inherit; }
.bar.used { fill: var(--good); } .bar.expired { fill: var(--axis); } .bar.gone { fill: var(--muted); }
.mark-used { fill: var(--good); stroke: var(--surface); stroke-width: 2; }
.mark-expired { stroke: var(--critical); stroke-width: 2.5; stroke-linecap: round; }
.mark-plan { fill: var(--surface); stroke: var(--codex); stroke-width: 2; }
.mark-hit { fill: var(--ink-2); stroke: var(--surface); stroke-width: 2; }
.key-shape { width: 12px; height: 8px; border-radius: 2px; flex: none; display: inline-block; }
.key-shape.codex { background: var(--codex); } .key-shape.used { background: var(--good); } .key-shape.expired { background: var(--axis); }