codex-cost 0.1.0

Local web dashboard for inspecting Codex token usage from session logs.
Documentation
:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #657080;
  --line: #d9e0e8;
  --accent: #0f766e;
  --accent-2: #2563eb;
  --accent-3: #b45309;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  font-weight: 760;
}

h2 {
  font-size: 15px;
  font-weight: 720;
}

.topbar p,
.panel-heading span,
.range-readout,
label {
  color: var(--muted);
  font-size: 13px;
}

.icon-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}

.icon-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.kpis article,
.panel,
.filters {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.kpis article {
  min-height: 96px;
  padding: 16px;
}

.kpis span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.kpis strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
}

.workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.filters {
  position: sticky;
  top: 16px;
  padding: 14px;
}

label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

select,
input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 6px 10px;
}

.range-readout {
  display: grid;
  gap: 4px;
  padding-top: 4px;
}

.range-readout strong {
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.warnings {
  margin-top: 14px;
  padding: 10px;
  border: 1px solid #fecaca;
  color: var(--danger);
  background: #fff7f7;
  font-size: 12px;
}

.content {
  display: grid;
  gap: 16px;
}

.panel {
  padding: 14px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-panel {
  min-height: 336px;
}

#timelineChart {
  display: block;
  width: 100%;
  min-height: 260px;
  background: #fbfcfd;
  border: 1px solid var(--line);
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  overflow: hidden;
}

.segmented button {
  min-width: 52px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 10px;
}

.segmented button:last-child {
  border-right: 0;
}

.segmented button.active {
  background: var(--accent);
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.8fr);
  gap: 16px;
}

.bar-chart,
.breakdown {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 220px) minmax(120px, 1fr) 96px;
  align-items: center;
  gap: 10px;
  min-height: 28px;
  font-size: 13px;
}

.bar-row[data-tooltip],
#timelineChart [data-tooltip] {
  cursor: help;
}

.bar-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.bar-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  height: 12px;
  background: #edf2f7;
  border: 1px solid var(--line);
}

.bar-fill {
  height: 100%;
  min-width: 2px;
  background: var(--accent-2);
}

.bar-value {
  text-align: right;
  color: var(--muted);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 9px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 650;
  white-space: nowrap;
}

td {
  max-width: 320px;
  overflow-wrap: anywhere;
}

.empty {
  color: var(--muted);
  font-size: 13px;
  padding: 20px 0;
}

.chart-tooltip {
  position: fixed;
  z-index: 20;
  max-width: 260px;
  padding: 8px 10px;
  border: 1px solid #0f172a;
  border-radius: 6px;
  background: #0f172a;
  color: #fff;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-line;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.22);
  pointer-events: none;
}

@media (max-width: 980px) {
  .workspace,
  .grid,
  .kpis {
    grid-template-columns: 1fr;
  }

  .filters {
    position: static;
  }

  .bar-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .bar-value {
    text-align: left;
  }
}