/* BookMe shared styles. Light/dark via prefers-color-scheme. No inline styles needed anywhere (CSP: style-src 'self'). */
:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #14181f; --muted: #5d6675; --border: #dde1e8;
  --accent: #2557d6; --accent-text: #ffffff; --accent-soft: #e6edfc; --danger: #c62828; --danger-soft: #fdeaea;
  --ok: #1b7f3b; --ok-soft: #e5f5ea; --warn-soft: #fff4d6; --radius: 12px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 4px 16px rgba(16,24,40,.05);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1217; --surface: #181c23; --text: #e8ebf0; --muted: #98a2b3; --border: #2b313c;
    --accent: #6c93f5; --accent-text: #0b1020; --accent-soft: #1d2a4a; --danger: #ef7676; --danger-soft: #3a1f21;
    --ok: #5fcf85; --ok-soft: #173424; --warn-soft: #3a3118; --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; }
p { margin: 0 0 .75rem; }
a { color: var(--accent); }
.container { max-width: 960px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.container.narrow { max-width: 560px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow); }
.stack > * + * { margin-top: .85rem; }
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
a.card-link { display: block; text-decoration: none; color: inherit; }
a.card-link:hover, a.card-link:focus-visible { border-color: var(--accent); }
.badge { display: inline-block; font-size: .78rem; padding: .1rem .55rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .25rem; }
input, select, textarea { width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: .55rem .65rem; min-height: 44px; }
textarea { min-height: 96px; resize: vertical; }
input[type="checkbox"], input[type="radio"] { width: auto; min-height: 0; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; gap: .5rem; align-items: center; font-weight: 400; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; font: inherit; font-weight: 600; min-height: 44px; padding: .5rem 1rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.small { min-height: 36px; padding: .25rem .7rem; font-size: .875rem; }
.btn.block { width: 100%; }

.notice { padding: .7rem .9rem; border-radius: 8px; background: var(--accent-soft); }
.notice.error { background: var(--danger-soft); color: var(--danger); }
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.notice.warn { background: var(--warn-soft); }

/* Admin */
.topbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; overflow-x: auto; }
.tab { font: inherit; font-weight: 600; padding: .6rem .9rem; min-height: 44px; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.list { display: grid; gap: .6rem; }
.item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; justify-content: space-between; }
.window { display: flex; gap: .4rem; align-items: center; margin: .25rem 0; }
.window input { width: auto; min-width: 7.5rem; }
.weekday-row { display: grid; grid-template-columns: 5rem 1fr; gap: .5rem; padding: .5rem 0; border-top: 1px solid var(--border); align-items: start; }
.weekday-row:first-child { border-top: 0; }
.lock { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }

/* Booking page */
.booking-layout { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .booking-layout { grid-template-columns: 280px 1fr; } }
.calendar { width: 100%; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow { text-align: center; font-size: .75rem; color: var(--muted); padding: .25rem 0; }
.cal-day { min-height: 42px; border-radius: 50%; border: 0; background: transparent; color: var(--muted); font: inherit; }
.cal-day.available { background: var(--accent-soft); color: var(--accent); font-weight: 700; cursor: pointer; }
.cal-day.available:hover { outline: 2px solid var(--accent); }
.cal-day[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); }
.cal-day.today { text-decoration: underline; }
.times { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: .5rem; }
.time-btn { min-height: 44px; border-radius: 8px; border: 1px solid var(--accent); background: transparent; color: var(--accent); font: inherit; font-weight: 700; cursor: pointer; }
.time-btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); }

/* Page-level elements used by index/book/cancel/admin */
button { font: inherit; font-weight: 600; min-height: 44px; padding: .5rem 1rem; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
button:hover { border-color: var(--accent); }
button:disabled { opacity: .55; cursor: not-allowed; }
button[type="submit"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
button.small { min-height: 36px; padding: .25rem .7rem; font-size: .875rem; }
button.slot { border-color: var(--accent); color: var(--accent); background: transparent; font-weight: 700; }
button.slot.picked { background: var(--accent); color: var(--accent-text); }
nav.tabs button { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: transparent; color: var(--muted); white-space: nowrap; }
nav.tabs button.picked { color: var(--text); border-bottom-color: var(--accent); }
.ok { color: var(--ok); }
.danger-text { color: var(--danger); }
details.card summary { cursor: pointer; font-weight: 700; padding: .25rem 0; }