:root {
  --bg: #ffffff;
  --ink: #1a1a1a;
  --muted: #5f6368;
  --line: #dadce0;
  --accent: #1a73e8;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --ok: #137333;
  --focus: #fbbc04;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 72rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 0.75rem; padding: 1rem 1.25rem; }
.card h2 { margin: 0 0 0.25rem; font-size: 1.15rem; }
.card p { margin: 0.25rem 0; color: var(--muted); }
.btn {
  display: inline-block; border: 1px solid var(--accent); border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.5rem 1.25rem; cursor: pointer; text-decoration: none; margin-top: 0.5rem;
}
.btn[disabled] { opacity: 0.55; cursor: wait; }
.btn.secondary { background: transparent; color: var(--accent); }
/* Familiar scheduling layout: info | calendar | times, stacked on mobile. */
.booking-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 60rem) {
  .booking-grid { grid-template-columns: 18rem 1fr 16rem; align-items: start; }
}
.info-panel { border-right: 1px solid var(--line); padding-right: 1.5rem; }
@media (max-width: 60rem) { .info-panel { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 1rem; } }
.day-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.25rem; }
.day-grid button {
  border: 1px solid var(--line); background: #fff; border-radius: 0.5rem;
  min-height: 2.75rem; cursor: pointer;
}
.day-grid button[disabled] { opacity: 0.35; cursor: not-allowed; }
.day-grid button[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.times { list-style: none; margin: 0.5rem 0; padding: 0; display: grid; gap: 0.5rem; }
.times button {
  width: 100%; border: 1px solid var(--accent); color: var(--accent);
  background: #fff; border-radius: 0.5rem; padding: 0.5rem; cursor: pointer;
}
.times button[aria-pressed="true"] { background: var(--accent); color: #fff; }
.toolbar { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin: 0.75rem 0; }
.field { margin: 0.75rem 0; }
.field label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.field input, .field textarea, .field select { width: 100%; max-width: 28rem; padding: 0.5rem; border: 1px solid var(--line); border-radius: 0.375rem; }
.field .error { color: var(--danger); font-size: 0.9rem; min-height: 1.25em; display: block; }
.status { border: 1px solid var(--line); border-radius: 0.5rem; padding: 0.75rem 1rem; margin: 1rem 0; }
.status.error { border-color: var(--danger); }
.status.ok { border-color: var(--ok); }
.month-nav { display: flex; align-items: center; gap: 1rem; margin: 0.5rem 0; }
table.admin { border-collapse: collapse; width: 100%; }
table.admin th, table.admin td { border: 1px solid var(--line); padding: 0.4rem 0.6rem; text-align: left; }
.badge { display: inline-block; border-radius: 999px; padding: 0 0.6rem; border: 1px solid var(--line); font-size: 0.85rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 0.5rem; top: 0.5rem; background: #fff; padding: 0.5rem; z-index: 10; }