:root {
  --bg-light: #faf7fd;
  --bg-accent: #f3ebfa;
  --card-bg: #fff;

  /* Texto */
  --text-primary: #5a3978;
  --text-secondary: #a48ac8;
  --btn-text: #fff;

  /* Botones y hover */
  --btn-bg: #a48ac8;
  --btn-hover: #8866ad;

  /* Calendario slots */
  --slot-ocupado: #ede2f7;
  --slot-disponible: #e6f6f3;
  --slot-na: #f1f1f1;
  --slot-disponible-hover: #d8f8ee;
  --slot-disponible-active: #c2e6db;

  /* Estados texto */
  --slot-disponible-text: #31927e; /* Verde azulado pastel */
  --slot-ocupado-text: #9959a8;    /* Lila fuerte */
  --slot-na-text: #aaa;
  --slot-disabled-text: #777;
  --text-aviso: #bb88bb;           /* Lila aviso */
  --border-main: #ddd;
  --border-slot: #e6d3ee;
  --border-focus: #a48ac8;

  --font-base: 'Roboto', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-base);
  background-color: var(--bg-light);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.container {
  max-width: 960px;
  width: 100%;
  background-color: var(--bg-accent);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin: 0 auto;
}

h1 {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 8px;
}

p {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.doble-tabla .tablas-wrapper {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}

.calendar-table {
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
}

.calendar-table.principal {
  flex: 1 1 auto;
}

.calendar-table.sabado {
  width: 140px;
}

.calendar-table th,
.calendar-table td {
  border: 1px solid var(--border-main);
  text-align: center;
  padding: 8px;
  font-size: 0.9rem;
}

.calendar-table th {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px;
  font-size: 1rem;
}

.hora-label {
  background-color: var(--slot-na);
  font-weight: 500;
  width: 60px;
}

.slot {
  cursor: pointer;
  transition: box-shadow 0.1s, background 0.15s;
  border: 2px solid transparent;
  outline: none;
}

.slot.disponible {
  background-color: var(--slot-disponible);
  color: var(--slot-disponible-text);
  font-weight: 500;
}
.slot.disponible:hover,
.slot.disponible:focus {
  background-color: var(--slot-disponible-hover);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--bg-accent);
}
.slot.disponible:active {
  background: var(--slot-disponible-active);
}

.slot.ocupado {
  background-color: var(--slot-ocupado);
  color: var(--slot-ocupado-text);
  cursor: not-allowed;
  opacity: 0.7;
  font-weight: 500;
}

.slot.no-disponible,
.na {
  background: var(--slot-na);
  color: var(--slot-na-text);
  cursor: default;
  font-style: italic;
}

.slot[role="button"]:focus {
  outline: 2px solid var(--border-focus);
  z-index: 10;
}

@media (max-width: 720px) {
  .doble-tabla .tablas-wrapper { flex-direction: column; align-items: center; }
  .calendar-table.sabado { width: 100%; }
}

.confirm-box {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 16px;
}

.confirm-box p {
  margin-bottom: 12px;
}

.btn-siguiente {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s;
}
.btn-siguiente:hover {
  background-color: var(--btn-hover);
}

.back-link {
  text-align: center;
}
.back-link a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.2s;
}
.back-link a:hover {
  color: var(--text-primary);
}

/* Responsive para pantallas estrechas */
@media (max-width: 720px) {
  .doble-tabla .tablas-wrapper { flex-direction: column; align-items: center; }
  .calendar-table.sabado { width: 100%; }
}

.week-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-main);
  padding: 10px 14px;
  border-radius: 8px;
  margin: 20px 0;
}

.week-nav .semana-btn {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  padding: 6px 12px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}
.week-nav .semana-btn:hover {
  background-color: var(--btn-hover);
}
.week-nav .semana-btn.disabled {
  pointer-events: none;
  opacity: 0.4;
}

.week-nav .semana-actual {
  font-weight: 500;
  color: var(--text-primary);
}

.info-icon {
  font-size: 1.15em;
  vertical-align: middle;
  margin-right: 4px;
}
.text-aviso {
  font-size: 0.97em;
  color: var(--text-aviso);
  display: block;
  margin-top: 2px;
}

.icon-arrow {
  font-size: 1.1em;
  vertical-align: middle;
  margin-right: 4px;
}