/* ─── Calendar Page Visual System (Fase 4) ─── */
.calendar-main {
  padding-bottom: 0;
}

/* Calendar Hero (Dark Cinematic in BOTH Light & Dark) */
.calendar-hero {
  min-height: clamp(230px, 28vh, 280px) !important;
  padding: 2.25rem 0 2.5rem !important;
  background-color: #07111d !important;
  color: #f5f7fa !important;
}

[data-theme="light"] .calendar-hero {
  background-color: #07111d !important;
  color: #f5f7fa !important;
}

.calendar-hero::before {
  background: radial-gradient(
    circle at 75% 35%,
    rgba(99, 102, 241, 0.20) 0%,
    transparent 55%
  ) !important;
}

.calendar-content {
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.calendar-header {
  margin-bottom: 1.25rem;
}

.calendar-controls {
  margin-bottom: 1.5rem;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.calendar-navigation {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.calendar-month {
  min-width: 13rem;
  text-align: center;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 750;
  letter-spacing: -0.025em;
  text-transform: capitalize;
  color: var(--text);
  margin: 0;
}

.calendar-nav-btn {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 10px;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.calendar-nav-btn:hover {
  background: var(--surface-2);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.calendar-today {
  white-space: nowrap;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.calendar-today:hover {
  background: var(--surface-2);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.calendar-filters {
  margin-bottom: 0.85rem;
}

.calendar-summary {
  min-height: 1.1rem;
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 550;
}

/* Calendar Grid Frame */
.calendar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekdays {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.calendar-weekdays > div {
  padding: 0.75rem 0.45rem;
  text-align: center;
  color: var(--text-2);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.calendar-day {
  min-width: 0;
  min-height: 118px;
  padding: 0.55rem 0.45rem 0.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  transition: background var(--ease), box-shadow var(--ease);
}

.calendar-day:nth-child(7n) {
  border-right: 0;
}

.calendar-day:nth-last-child(-n + 7) {
  border-bottom: 0;
}

.calendar-day:not(.is-outside):hover {
  background: color-mix(in srgb, var(--surface) 92%, var(--primary) 8%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 15%, transparent);
  z-index: 1;
}

.calendar-day.is-outside {
  background: color-mix(in srgb, var(--surface) 75%, var(--bg));
}

.calendar-day.is-outside .calendar-day-number {
  color: var(--text-3);
  opacity: 0.45;
}

.calendar-day.is-past {
  background: color-mix(in srgb, var(--surface) 86%, var(--bg));
}

.calendar-day.is-past .calendar-day-number {
  color: var(--text-3);
  opacity: 0.6;
}

.calendar-day.is-today {
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
  box-shadow: inset 0 2px 0 var(--primary);
}

.calendar-day-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: 0.35rem;
  border-radius: 50%;
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.calendar-day.is-today .calendar-day-number {
  background: var(--primary);
  color: #ffffff;
  font-weight: 750;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 35%, transparent);
}

.calendar-day-events {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.calendar-event {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.15rem;
  min-width: 0;
  padding: 0.3rem 0.45rem;
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--primary)) 28%, var(--border));
  border-left: 3px solid var(--cat-color, var(--primary));
  border-radius: 6px;
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 10%, var(--surface));
  color: var(--text);
  font-size: 0.68rem;
  font-weight: 550;
  line-height: 1.2;
  transition: background var(--ease), border-color var(--ease), transform var(--ease), opacity var(--ease);
  text-decoration: none;
}

.calendar-event:hover {
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 18%, var(--surface));
  border-color: color-mix(in srgb, var(--cat-color, var(--primary)) 50%, var(--border));
  transform: translateY(-1px);
  text-decoration: none;
}

.calendar-event-main {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  width: 100%;
  min-width: 0;
}

.calendar-event-title {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-event-sub {
  display: block;
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-top: 0.05rem;
  margin-left: 1.1rem;
}

.calendar-event.is-finished {
  opacity: 0.78;
  filter: grayscale(20%);
  background: color-mix(in srgb, var(--surface) 82%, var(--bg));
  border-color: color-mix(in srgb, var(--cat-color, var(--primary)) 22%, var(--border));
}

.calendar-event.is-finished:hover {
  opacity: 1;
  filter: grayscale(0%);
  border-color: color-mix(in srgb, var(--cat-color, var(--primary)) 50%, var(--border));
}

.calendar-event.is-cancelled {
  border-color: rgba(239, 68, 68, 0.45) !important;
  border-left-color: #ef4444 !important;
  background: color-mix(in srgb, #ef4444 14%, var(--surface)) !important;
}

.calendar-event.is-cancelled:hover {
  background: color-mix(in srgb, #ef4444 22%, var(--surface)) !important;
  border-color: rgba(239, 68, 68, 0.65) !important;
}

.calendar-event-sub.is-cancelled {
  color: #f87171 !important;
  font-weight: 650;
}

.calendar-event.is-multi-day {
  border-style: solid;
}

.calendar-event.is-continuation {
  border-left-color: color-mix(in srgb, var(--cat-color, var(--primary)) 55%, var(--border));
}

.calendar-event.is-start {
  border-left-width: 3px;
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
}

.calendar-event.is-end {
  border-bottom-right-radius: 6px;
  border-top-right-radius: 6px;
}

.calendar-event-icon {
  flex-shrink: 0;
  font-size: 0.78rem;
}

.calendar-event-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-error {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-3);
}

/* Upcoming Section below Calendar */
.calendar-upcoming {
  margin-top: 2.5rem;
}

.calendar-upcoming-header {
  margin-bottom: 1.25rem;
}

.calendar-upcoming-header h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.calendar-upcoming-header p {
  font-size: 0.88rem;
  color: var(--text-2);
  margin: 0;
}

.calendar-upcoming-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .calendar-upcoming-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .calendar-upcoming-list {
    grid-template-columns: 1fr;
  }
}

.calendar-upcoming-empty {
  margin: 0;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

/* SEO Section */
.calendar-seo {
  margin-top: 2.5rem;
  padding: 1.75rem 2rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.calendar-seo h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.15rem, 2.2vw, 1.35rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text);
}

.calendar-seo > p {
  margin: 0;
  max-width: 78ch;
  color: var(--text-2);
  line-height: 1.65;
  font-size: 0.92rem;
}

.calendar-seo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.35rem;
}

.calendar-seo-grid article {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.calendar-seo-grid h3 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.calendar-seo-grid p {
  margin: 0;
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.6;
}

.calendar-tools-promo {
  margin-top: 2.5rem;
  margin-bottom: 0;
}

/* Responsive Mobile (375px, 390px, 430px, 768px) */
@media (max-width: 768px) {
  .calendar-seo {
    padding: 1.35rem;
  }

  .calendar-seo-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 560px) {
  .calendar-toolbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    align-items: stretch;
  }

  .calendar-navigation {
    width: 100%;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    align-items: center;
    gap: 0.4rem;
  }

  .calendar-month {
    min-width: 0;
    width: 100%;
    margin: 0;
    padding: 0 0.15rem;
    font-size: 1.05rem;
    line-height: 1.2;
    overflow-wrap: normal;
  }

  .calendar-today {
    width: 100%;
    min-height: 36px;
    text-align: center;
    justify-content: center;
  }

  .calendar-day {
    min-height: 92px;
    padding: 0.28rem 0.16rem;
  }

  .calendar-day-number {
    width: 22px;
    height: 22px;
    margin-bottom: 0.18rem;
    font-size: 0.67rem;
  }

  .calendar-day-events {
    gap: 0.18rem;
  }

  .calendar-event {
    border-left-width: 2px;
    padding: 0.18rem 0.16rem;
    font-size: 0.63rem;
    line-height: 1.25;
    border-radius: 4px;
  }

  /* Ocultar icono en mobile: libera ~17px por celda para el texto del título */
  .calendar-event-icon {
    display: none;
  }

  /* Sin gap: el título toma todo el ancho disponible */
  .calendar-event-main {
    gap: 0;
  }

  /* Alinear "Finalizado" con el título: sin icono, el sangrado de 1.1rem no aplica */
  .calendar-event-sub {
    margin-left: 0;
  }

  .calendar-event-title {
    white-space: normal;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .calendar-weekdays > div {
    padding: 0.48rem 0.08rem;
    font-size: 0.55rem;
    letter-spacing: 0.03em;
  }
}

@media (max-width: 380px) {
  .calendar-navigation {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    gap: 0.3rem;
  }

  .calendar-nav-btn {
    width: 34px;
    height: 34px;
  }

  .calendar-month {
    font-size: 1rem;
  }

  .calendar-day {
    min-height: 84px;
    padding: 0.24rem 0.12rem;
  }

  .calendar-day-number {
    width: 21px;
    height: 21px;
    font-size: 0.64rem;
  }

  .calendar-event {
    padding: 0.16rem 0.13rem;
    font-size: 0.60rem;
  }

  .calendar-weekdays > div {
    padding-left: 0.04rem;
    padding-right: 0.04rem;
    font-size: 0.52rem;
  }

}