:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5b6470;
  --border: #dde1e6;
  --accent: #1f6feb;
  --banner-bg: #fff4d6;
  --banner-text: #5a4300;
  --ok: #1a7f37;
  --warn: #9a6700;
  --bad: #cf222e;
  --track: #e6e9ed;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --text: #e6e9ed;
    --muted: #9aa4af;
    --border: #2b323b;
    --accent: #58a6ff;
    --banner-bg: #3a2f0b;
    --banner-text: #f4dc8b;
    --ok: #3fb950;
    --warn: #d29922;
    --bad: #f85149;
    --track: #262c34;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 var(--font);
}

h1,
h2 {
  line-height: 1.2;
  margin: 0;
}

h1 {
  font-size: 1.6rem;
}

h2 {
  font-size: 1.15rem;
}

a {
  color: var(--accent);
}

.header,
.main,
.footer {
  max-width: 60rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

.header {
  padding-block: 1.5rem 1rem;
}

.lede {
  color: var(--muted);
  margin: 0.4rem 0 0;
}

.banner {
  margin: 1rem 0 0;
  padding: 0.6rem 1rem;
  background: var(--banner-bg);
  color: var(--banner-text);
  border-radius: var(--radius);
  font-weight: 600;
}

.main {
  display: grid;
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

select {
  font: inherit;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.status.failed {
  color: var(--bad);
}

.demo {
  display: grid;
  gap: 0.5rem;
}

.demo-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.demo-buttons button {
  font: inherit;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--surface);
  cursor: pointer;
}

.demo-buttons button:disabled {
  border-color: var(--border);
  background: var(--track);
  color: var(--muted);
  cursor: not-allowed;
}

.demo-line {
  margin: 0;
  font-size: 0.9rem;
}

/* Text for a screen reader only: it is in the accessibility tree, takes no room and is not seen. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.empty {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 0;
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.badge {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.badge[data-status="filled"],
.badge[data-status="settled"] {
  color: var(--ok);
}

.badge[data-status="expired"],
.badge[data-status="refunded"] {
  color: var(--warn);
}

.terms-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.terms {
  margin: 0;
  padding-left: 0.75rem;
  border-left: 3px solid var(--border);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.bar {
  appearance: none;
  width: 100%;
  height: 0.9rem;
  border: none;
  border-radius: 999px;
  overflow: hidden;
  background: var(--track);
  accent-color: var(--accent);
}

.bar::-webkit-progress-bar {
  background: var(--track);
}

.bar::-webkit-progress-value {
  background: var(--accent);
}

.bar::-moz-progress-bar {
  background: var(--accent);
}

.seats {
  margin: -0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

dl {
  margin: 0;
}

dt {
  color: var(--muted);
  font-size: 0.85rem;
}

dd {
  margin: 0;
}

.facts,
.totals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem 1rem;
}

.held {
  padding: 0.75rem;
  border-radius: 8px;
  background: var(--bg);
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.amount,
.num {
  font-variant-numeric: tabular-nums;
}

.account {
  overflow-wrap: anywhere;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
  font-size: 0.9rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

/* Each row stays on one line; on a narrow screen the table scrolls sideways inside its card. */
th,
td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

th.num,
td.num {
  text-align: right;
}

td.links {
  display: table-cell;
}

td.links a + a {
  margin-left: 0.6rem;
}

.state-settled {
  color: var(--ok);
}

.state-refunded {
  color: var(--warn);
}

.state-claimable {
  color: var(--bad);
}

.footer {
  padding-block: 0 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.footer p {
  margin: 0;
}