:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --text: #1b1a19;
  --muted: #6b6762;
  --line: #e6e1da;
  --accent: #d6402b;
  --accent-text: #ffffff;
  --chip: #f0ebe4;
  --radius: 12px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141312;
    --surface: #1d1c1a;
    --text: #f2efea;
    --muted: #a39e97;
    --line: #2e2c29;
    --accent: #ff6a52;
    --accent-text: #141312;
    --chip: #2a2825;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; }
button { font: inherit; color: inherit; }

/* Cabecera fija */
.top {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.top-row {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 960px; margin: 0 auto; padding: 12px 16px 8px;
}
.top h1 { margin: 0; font-size: 22px; letter-spacing: -0.02em; }
.btn {
  border: 1px solid var(--line); background: var(--surface);
  border-radius: 999px; padding: 8px 14px; min-height: 40px; cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.badge[hidden] { display: none; }
.badge {
  display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 4px;
  border-radius: 999px; background: var(--accent); color: var(--accent-text);
  font-size: 12px; line-height: 20px; text-align: center;
}

/* Tira de días */
.days {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  max-width: 960px; margin: 0 auto; padding: 4px 16px 12px;
}
.days::-webkit-scrollbar { display: none; }
.day {
  flex: 0 0 auto; border: 1px solid var(--line); background: var(--surface);
  border-radius: 10px; padding: 6px 10px; min-width: 56px; text-align: center; cursor: pointer;
}
.day small { display: block; color: var(--muted); font-size: 12px; text-transform: capitalize; }
.day b { font-size: 16px; }
.day[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.day[aria-pressed="true"] small { color: inherit; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; max-width: 960px; margin: 0 auto; padding: 0 16px 10px; }
.chips:empty { display: none; }
.chip {
  border: 0; background: var(--chip); border-radius: 999px; padding: 4px 10px; font-size: 14px; cursor: pointer;
}

/* Listado */
main { max-width: 960px; margin: 0 auto; padding: 0 16px 48px; }
.dia h2 {
  position: sticky; top: var(--top-h, 120px); z-index: 5;
  margin: 0; padding: 14px 0 6px; background: var(--bg);
  font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted);
}
.dia ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.row {
  display: flex; align-items: center; gap: 12px; min-height: 56px;
  padding: 10px 14px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); text-decoration: none;
}
.row:active { transform: scale(0.99); }
.row .info { flex: 1; min-width: 0; }
.row .grupo { font-weight: 650; font-size: 17px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .sala { color: var(--muted); font-size: 14px; }
.dia li { min-width: 0; }
.row .meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 14px; white-space: nowrap; }
.row .meta .hora { font-variant-numeric: tabular-nums; font-weight: 600; }
.row .meta .precio { color: var(--muted); }
.tag-agotado {
  display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 6px; padding: 1px 6px;
}
.row.agotado .grupo { color: var(--muted); }
.vacio, .estado { color: var(--muted); text-align: center; padding: 48px 16px; }

@media (min-width: 760px) {
  .dia ul { grid-template-columns: 1fr 1fr; }
}

/* Hoja de filtros */
dialog.filtros {
  border: 0; padding: 0; width: 100%; max-width: 520px; max-height: 88vh;
  margin: auto auto 0; border-radius: 16px 16px 0 0;
  background: var(--surface); color: var(--text);
}
@media (min-width: 760px) {
  dialog.filtros { margin: auto; border-radius: 16px; }
}
dialog.filtros::backdrop { background: rgb(0 0 0 / 0.45); }
.filtros form { display: flex; flex-direction: column; max-height: 88vh; }
.filtros header, .filtros footer {
  display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 14px 16px;
}
.filtros header { border-bottom: 1px solid var(--line); }
.filtros header h2 { margin: 0; font-size: 18px; }
.filtros footer { border-top: 1px solid var(--line); }
.filtros footer .btn { flex: 1; }
.filtros .cuerpo { overflow-y: auto; padding: 4px 16px 16px; }
.filtros fieldset { border: 0; margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
.filtros legend { font-weight: 650; padding: 0 0 8px; }
.filtros .fila { display: flex; gap: 12px; }
.filtros .fila label { flex: 1; display: flex; flex-direction: column; font-size: 14px; color: var(--muted); }
.filtros input[type="date"], .filtros select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px; min-height: 40px;
}
.opciones { display: flex; flex-wrap: wrap; gap: 6px; }
.opciones label {
  display: inline-flex; align-items: center; gap: 6px; background: var(--chip);
  border-radius: 999px; padding: 6px 12px; font-size: 14px; cursor: pointer;
}
.opciones input { accent-color: var(--accent); }
.switch { display: flex; align-items: center; gap: 10px; }
.switch input { width: 20px; height: 20px; accent-color: var(--accent); }

/* Detalle */
.detalle { max-width: 720px; margin: 0 auto; padding-bottom: 96px; }
.volver { display: inline-block; padding: 12px 16px; text-decoration: none; color: var(--muted); }
.cartel { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--chip); display: block; }
@media (min-width: 760px) { .cartel { border-radius: var(--radius); } }
.ficha { padding: 16px; }
.ficha h1 { margin: 0 0 4px; font-size: 28px; line-height: 1.15; letter-spacing: -0.02em; }
.ficha .cuando { font-size: 17px; margin: 0 0 16px; text-transform: capitalize; }
.datos { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0 0 20px; }
.datos dt { color: var(--muted); }
.datos dd { margin: 0; }
.descripcion { white-space: pre-line; }
.enlaces { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.enlaces a { text-decoration: none; }
.comprar {
  position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--bg); border-top: 1px solid var(--line);
}
.comprar a, .comprar span {
  display: block; max-width: 688px; margin: 0 auto; text-align: center; text-decoration: none;
  padding: 14px; border-radius: var(--radius); font-weight: 650;
}
.comprar a { background: var(--accent); color: var(--accent-text); }
.comprar span { background: var(--chip); color: var(--muted); }
footer.pie { max-width: 960px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted); font-size: 13px; }