:root {
  --bg: #f3f6f8;
  --surface: #ffffff;
  --surface-2: #e7edf1;
  --text: #12232e;
  --muted: #5b6f7c;
  --accent: #12608c;
  --accent-text: #ffffff;
  --accent-soft: #d6e7f2;
  --danger: #c0392b;
  --ok: #1e8e4e;
  --warn: #b7791f;
  --border: #d3dde3;
  --alquiler: #1f8a5b;
  --bloqueo: #d98c1f;
  --shadow: 0 1px 2px rgb(0 0 0 / .08);
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e171d;
    --surface: #172530;
    --surface-2: #20323f;
    --text: #e6eef3;
    --muted: #92a7b4;
    --accent: #3a9ad8;
    --accent-text: #061621;
    --accent-soft: #163449;
    --danger: #ff7b6b;
    --ok: #4cd08a;
    --warn: #f0b64a;
    --border: #2b3e4b;
    --alquiler: #3bbf85;
    --bloqueo: #f0a640;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.35 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
input, select, textarea {
  font: inherit;
  color: inherit;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}
textarea { resize: vertical; }
label { display: block; font-size: 14px; color: var(--muted); margin: 10px 0 0; }
label > input, label > select, label > textarea { margin-top: 4px; color: var(--text); }
h1 { font-size: 30px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 22px 0 6px; }
p { margin: 8px 0; }
ul { list-style: none; margin: 0; padding: 0; }

[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.error { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; font-size: 14px; }
.info { background: var(--accent-soft); padding: 8px 12px; border-radius: 10px; font-size: 14px; }
.link-btn { color: var(--accent); padding: 6px 8px; font-weight: 600; }
.link-btn.danger { color: var(--danger); }
.icon-btn { font-size: 26px; padding: 4px 14px; color: var(--accent); }

.btn {
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--surface-2);
  font-weight: 600;
  flex: 1;
}
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn:disabled { opacity: .5; }
.row-btns { display: flex; gap: 10px; margin-top: 14px; }

/* --- layout -------------------------------------------------------------- */

.view {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) 0 0;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 6px;
}
.brand { font-weight: 800; font-size: 20px; color: var(--accent); }
.who { color: var(--muted); font-size: 14px; }
.pane { flex: 1; padding: 6px 16px calc(84px + env(safe-area-inset-bottom)); }

.tabs {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px calc(8px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.tabs button {
  flex: 1;
  max-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  border-radius: 12px;
  font-size: 20px;
  color: var(--muted);
}
.tabs button span { font-size: 11px; font-weight: 600; }
.tabs button.on { color: var(--accent); background: var(--accent-soft); }

/* --- login ------------------------------------------------------------------ */

.login-top { flex: 1; padding: 40px 20px 10px; text-align: center; }
.users { display: flex; gap: 10px; justify-content: center; margin: 22px 0; flex-wrap: wrap; }
.users button {
  padding: 14px 22px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 18px;
  border: 2px solid transparent;
}
.users button.on { border-color: var(--accent); background: var(--accent-soft); }
.pin-dots { display: flex; gap: 12px; justify-content: center; min-height: 18px; }
.pin-dots i { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); display: block; }
.pin-dots i.empty { background: var(--border); }

.numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px 12px calc(14px + env(safe-area-inset-bottom));
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}
.numpad button {
  height: 60px;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 26px;
  font-weight: 500;
}
.numpad button:active { background: var(--surface-2); }
.numpad button.ok { background: var(--accent); color: var(--accent-text); }

/* --- calendario ---------------------------------------------------------------- */

.cal-nav { display: flex; align-items: center; justify-content: space-between; }
.cal-title { font-size: 19px; font-weight: 700; padding: 8px 12px; text-transform: capitalize; }
.month-title { display: none; font-size: 15px; margin: 0 0 6px; text-transform: capitalize; }
.cal-months { display: grid; gap: 16px; }
.cal-side-hint { display: none; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--muted); margin: 2px 0 8px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.sw { display: inline-block; width: 14px; height: 8px; border-radius: 3px; }
.sw.alquiler { background: var(--alquiler); }
.sw.bloqueo { background: var(--bloqueo); }
.sw.imp { background: repeating-linear-gradient(135deg, var(--alquiler) 0 3px, var(--surface) 3px 5px); }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 3px;
  background: var(--surface);
  padding: 6px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.dow { text-align: center; font-size: 11px; color: var(--muted); padding: 2px 0 4px; font-weight: 600; }
.day {
  position: relative;
  aspect-ratio: 1 / 1.15;
  border-radius: 8px;
  padding: 3px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 14px;
  background: var(--bg);
}
.day.empty { background: transparent; }
.day.past { color: var(--muted); opacity: .6; }
.day.today { outline: 2px solid var(--accent); outline-offset: -2px; font-weight: 700; }
.day.sel { background: var(--accent-soft); }
.day.sel-a, .day.sel-b { background: var(--accent); color: var(--accent-text); }
.day .bars { display: flex; flex-direction: column; gap: 2px; width: 100%; padding: 0 2px; margin-top: auto; padding-bottom: 3px; }
.bar { height: 7px; border-radius: 2px; background: transparent; overflow: hidden; white-space: nowrap; }
.bar-txt { display: none; }
.bar.alquiler { background: var(--alquiler); }
.bar.bloqueo { background: var(--bloqueo); }
.bar.alquiler.imp { background: repeating-linear-gradient(135deg, var(--alquiler) 0 3px, var(--surface) 3px 5px); }
.bar.bloqueo.imp { background: repeating-linear-gradient(135deg, var(--bloqueo) 0 3px, var(--surface) 3px 5px); }
.bar.ini { border-top-left-radius: 6px; border-bottom-left-radius: 6px; margin-left: 35%; }
.bar.fin { border-top-right-radius: 6px; border-bottom-right-radius: 6px; margin-right: 35%; }
.bar.ini.fin { margin: 0 20%; }
/* la barra de salida (check-out ese día) se dibuja hasta la mitad, y la de llegada desde la mitad */
.bar.out { margin-right: 65%; }

.day-panel {
  margin-top: 10px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
}
.day-head { display: flex; justify-content: space-between; align-items: center; }
.day-list li { padding: 6px 0; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: baseline; }
.day-list li:first-child { border-top: 0; }
.day-list .casa { font-weight: 700; min-width: 60px; }
.day-list button { text-align: left; flex: 1; padding: 2px 0; }
.day-actions { display: flex; gap: 10px; margin-top: 8px; }

/* --- lista ----------------------------------------------------------------- */

.seg { display: flex; gap: 4px; background: var(--surface-2); padding: 4px; border-radius: 12px; margin: 8px 0; }
.seg button { flex: 1; padding: 8px 4px; border-radius: 9px; font-size: 14px; font-weight: 600; color: var(--muted); }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

.res-lista li { margin: 8px 0; }
.res-lista button {
  width: 100%;
  text-align: left;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 14px;
  border-left: 5px solid var(--alquiler);
}
.res-lista button.bloqueo { border-left-color: var(--bloqueo); }
.res-lista button.cancelada { opacity: .55; }
.res-lista .l1 { display: flex; justify-content: space-between; gap: 8px; font-weight: 600; }
.res-lista .l2 { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 14px; margin-top: 2px; }
.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 12px;
  font-weight: 600;
  margin-left: 4px;
  vertical-align: middle;
}
.badge.airbnb { background: #fde4e1; color: #b3261e; }
.badge.booking { background: #dfe9fb; color: #1d4ed8; }
@media (prefers-color-scheme: dark) {
  .badge.airbnb { background: #4a1f1c; color: #ffb4ab; }
  .badge.booking { background: #1c2f57; color: #a8c4ff; }
}

/* --- resumen ---------------------------------------------------------------- */

.tabla { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; font-size: 14px; }
.tabla th, .tabla td { padding: 7px 8px; text-align: right; border-top: 1px solid var(--border); }
.tabla th { font-size: 12px; color: var(--muted); border-top: 0; }
.tabla th:first-child, .tabla td:first-child { text-align: left; }
.tabla tfoot td { font-weight: 700; background: var(--surface-2); }

.res-tablas { display: grid; gap: 16px; }
.res-tabla:not(.on) { display: none; }
.res-tabla .month-title { display: none; }

/* --- ajustes ------------------------------------------------------------------ */

.feed { margin: 6px 0 10px; }
.feed .st { font-size: 12px; margin: 3px 0 0; }
.feed .st.ok { color: var(--ok); }
.feed .st.err { color: var(--danger); }
.export { margin: 6px 0; }
.export .url { display: flex; gap: 6px; align-items: center; }
.export input { font-size: 12px; padding: 6px 8px; }
.export .link-btn { white-space: nowrap; }

/* --- sheet (formulario) ------------------------------------------------------- */

.sheet { position: fixed; inset: 0; z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.sheet-backdrop { position: absolute; inset: 0; background: rgb(0 0 0 / .45); }
.sheet-panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 92dvh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 18px 18px 0 0;
  padding: 10px 16px calc(16px + env(safe-area-inset-bottom));
  margin: 0;
}
.sheet-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.title { font-weight: 700; font-size: 17px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.conflicto { background: var(--surface); border: 1px solid var(--danger); border-radius: 12px; padding: 8px 12px; margin-top: 8px; }
.conflicto li { font-size: 14px; padding: 2px 0; }

/* --- toast ---------------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  z-index: 30;
  box-shadow: 0 4px 16px rgb(0 0 0 / .25);
}
.toast.err { background: var(--danger); color: #fff; }

/* --- pantalla de PC ---------------------------------------------------------------- */

@media (min-width: 900px) {
  #v-app {
    max-width: none;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    padding: 0 32px;
  }
  .top { grid-column: 1 / -1; padding: 16px 8px 8px; }
  .brand { font-size: 24px; }
  .tabs {
    position: static;
    grid-column: 1;
    grid-row: 2;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 6px;
    padding: 8px 12px 8px 0;
    background: transparent;
    border-top: 0;
    border-right: 1px solid var(--border);
    align-self: start;
    position: sticky;
    top: 0;
  }
  .tabs button { flex: 0 0 auto; max-width: none; flex-direction: row; justify-content: flex-start; gap: 12px; padding: 12px 16px; font-size: 20px; }
  .tabs button span { font-size: 15px; }
  .pane { grid-column: 2; grid-row: 2; padding: 8px 8px 40px 32px; }

  /* Calendario: dos meses a la izquierda, panel del día fijo a la derecha */
  #p-cal { display: grid; grid-template-columns: minmax(0, 1fr) clamp(300px, 22vw, 400px); gap: 32px; align-items: start; }
  .cal-side { position: sticky; top: 16px; }
  .cal-side-hint { display: block; padding: 20px 6px; }
  .cal-nav { justify-content: flex-start; gap: 6px; }
  .cal-title { font-size: 22px; }
  .cal-months { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
  .cal-months.m3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .month-title { display: block; font-size: 17px; }
  .cal-grid { gap: 4px; padding: 8px; }
  .dow { font-size: 12px; }
  /* la altura sigue al ancho: en pantallas anchas las celdas crecen en las dos direcciones */
  .day { aspect-ratio: 1 / 0.8; min-width: 0; min-height: 66px; font-size: 16px; padding: 6px 0 0; border-radius: 10px; }
  .day .bars { gap: 3px; padding: 0 3px 4px; }
  .bar { height: 18px; border-radius: 4px; font-size: 12px; line-height: 18px; color: #fff; text-align: left; padding: 0 6px; }
  .bar.alquiler.imp, .bar.bloqueo.imp { color: var(--text); }
  .bar-txt { display: inline; font-weight: 600; text-shadow: 0 0 2px rgb(0 0 0 / .35); }
  .bar.ini { margin-left: 25%; }
  .bar.fin { margin-right: 25%; }
  .bar.ini.fin { margin: 0 12%; }
  .bar.out { margin-right: 75%; padding: 0; }
  .day-panel { margin-top: 0; }
  .day-list li { display: block; }
  .day-list .casa { display: block; margin-bottom: 2px; }
  .day-list button { padding: 0; }

  /* Reservas: cartas en dos columnas */
  .res-lista { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 12px; }
  .res-lista li { margin: 0; }
  .res-lista button { height: 100%; }
  #lista-filtro { max-width: 520px; }

  /* Resumen: las dos casas lado a lado */
  #res-casa { display: none; }
  .res-tablas { grid-template-columns: 1fr 1fr; gap: 32px; max-width: 1400px; }
  .tabla { font-size: 15px; }
  .tabla th, .tabla td { padding: 9px 12px; }
  .res-tabla:not(.on) { display: block; }
  .res-tabla .month-title { display: block; }
  #p-resumen .cal-nav { justify-content: flex-start; }

  /* Ajustes: importar a la izquierda, exportar y sesión a la derecha */
  #p-ajustes { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; align-items: start; max-width: 1400px; }
  #p-ajustes h2:first-child { margin-top: 8px; }

  /* Formulario centrado en vez de hoja desde abajo */
  .sheet { align-items: center; }
  .sheet-panel { max-width: 560px; border-radius: 18px; max-height: 90vh; padding: 14px 24px 22px; box-shadow: 0 12px 40px rgb(0 0 0 / .35); }
  .toast { bottom: 32px; }
}