/* Herramienta interna: sobria, legible, sin adornos de marketing. */
:root {
  --canvas: #fbfbfa;
  --surface: #ffffff;
  --border: #e6e6e3;
  --border-strong: #d4d4d0;
  --ink: #18181b;
  --muted: #71717a;
  --subtle: #a1a1aa;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #eff4ff;
  --danger: #b91c1c;
  --danger-soft: #fef2f2;
  --success: #15803d;
  --success-soft: #f0fdf4;
  --warn: #a16207;
  --warn-soft: #fefce8;
  --radius: 10px;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font: 14px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* Foco visible y consistente: se navega mucho con teclado en una herramienta interna. */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- estructura ---------- */

.wrap { max-width: 960px; margin: 0 auto; padding: 32px 16px; }
.wrap-narrow { max-width: 640px; margin: 0 auto; padding: 32px 16px; }
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }

.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 0; font-weight: 600; color: var(--ink); text-decoration: none;
}
.brand-mark {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--ink); color: #fff;
  display: grid; place-items: center; font-size: 11px; font-weight: 600;
}
.nav a.tab {
  padding: 6px 12px; border-radius: 6px; font-size: 13px;
  color: var(--muted); text-decoration: none;
}
.nav a.tab:hover { color: var(--ink); }
.nav a.tab[aria-current="page"] { background: var(--canvas); color: var(--ink); font-weight: 500; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; }

/* ---------- tarjetas ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.card-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
}
.card-head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.card-head p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.card-body { padding: 20px; }
.card.dashed { border-style: dashed; }

.empty { padding: 48px 20px; text-align: center; }
.empty strong { display: block; font-size: 14px; font-weight: 500; }
.empty span { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); }

/* ---------- formularios ---------- */

.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.hint { margin: 6px 0 0; font-size: 12px; color: var(--muted); }
.error-text { margin: 6px 0 0; font-size: 12px; color: var(--danger); }

/* `:not(...)` en vez de listar los tipos: un <input> sin atributo type
   es de texto, pero `input[type="text"]` no lo capturaría. */
input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]),
select, textarea {
  width: 100%;
  padding: 9px 11px;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}
textarea { min-height: 80px; resize: vertical; }
input:disabled { background: var(--canvas); color: var(--muted); }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }

/* ---------- botones ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px;
  font: inherit; font-weight: 500;
  border: 1px solid transparent; border-radius: 6px;
  cursor: pointer; text-decoration: none;
  background: var(--accent); color: #fff;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn.secondary:hover { background: var(--canvas); }
.btn.danger { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.btn.danger:hover { background: #fee2e2; }
.btn.ghost { background: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--canvas); color: var(--ink); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.full { width: 100%; }

/* ---------- avisos ---------- */

.alert { padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; border: 1px solid; }
.alert.error { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.alert.success { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.alert.info { background: var(--accent-soft); color: var(--accent); border-color: #dbeafe; }
.alert.warn { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500; border: 1px solid;
}
.badge.confirmed { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.badge.cancelled { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.badge.rescheduled { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.badge.completed { background: var(--canvas); color: var(--muted); border-color: var(--border-strong); }

/* ---------- listas ---------- */

.list { list-style: none; margin: 0; padding: 0; }
.list > li { border-bottom: 1px solid var(--border); }
.list > li:last-child { border-bottom: 0; }
.list a.item, .list .item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 20px; text-decoration: none; color: inherit;
}
.list a.item:hover { background: var(--canvas); }
.item-main { flex: 1; min-width: 0; }
.item-main strong { display: block; font-size: 13px; font-weight: 500; }
.item-main span { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); }

.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.quick { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 20px; }
.quick a {
  display: block; padding: 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  text-decoration: none; color: inherit;
}
.quick a:hover { border-color: var(--border-strong); background: var(--canvas); }
.quick strong { display: block; font-size: 13px; font-weight: 500; }
.quick span { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); }

dl.details { margin: 0; }
dl.details > div { display: flex; gap: 16px; padding: 6px 0; flex-wrap: wrap; }
dl.details dt { width: 150px; flex-shrink: 0; color: var(--muted); font-size: 13px; }
dl.details dd { margin: 0; flex: 1; min-width: 200px; font-size: 13px; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 18px; font-weight: 600; }
.page-head p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }

code.url {
  display: block; padding: 8px 10px;
  background: var(--canvas); border-radius: 6px;
  font-size: 12px; color: var(--muted);
  overflow-x: auto; white-space: nowrap;
}

/* ---------- calendario de reserva ---------- */

.booking { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .booking { grid-template-columns: 1fr 260px; } }

.cal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cal-head strong { font-size: 13px; font-weight: 500; }
.cal-nav { display: flex; gap: 4px; }
.cal-nav a, .cal-nav span {
  width: 28px; height: 28px; display: grid; place-items: center;
  border-radius: 6px; text-decoration: none; color: var(--muted);
}
.cal-nav a:hover { background: var(--canvas); color: var(--ink); }
.cal-nav span { opacity: .3; }

.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal .dow { padding: 4px 0; text-align: center; font-size: 11px; font-weight: 500; color: var(--subtle); }
.cal a, .cal span {
  aspect-ratio: 1; display: grid; place-items: center;
  border-radius: 6px; font-size: 13px; text-decoration: none;
}
.cal span { color: var(--subtle); }
.cal a { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.cal a:hover { background: #dbeafe; }
.cal a.on { background: var(--accent); color: #fff; font-weight: 600; }

.times { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; }
.times li { margin-bottom: 8px; }
.times button, .times a {
  display: block; width: 100%; padding: 9px;
  font: inherit; font-weight: 500; text-align: center; text-decoration: none;
  color: var(--accent); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: 6px; cursor: pointer;
}
.times button:hover, .times a:hover { border-color: var(--accent); }
.times .on button, .times a.on { background: var(--accent); color: #fff; border-color: var(--accent); }

.tz { display: flex; align-items: center; gap: 8px; margin-top: 20px; font-size: 13px; color: var(--muted); }
.tz select { flex: 1; min-width: 0; padding: 6px 8px; font-size: 13px; }

.confirm { text-align: center; padding: 24px 0; }
.confirm .tick {
  width: 40px; height: 40px; margin: 0 auto 16px;
  border-radius: 50%; background: var(--success-soft); color: var(--success);
  display: grid; place-items: center; font-size: 18px;
}