/* ==========================================================================
   Scuola Edile Modena — Calendario corsi
   Componenti specifici della pagina calendario. Dipende da
   css/design-system.css per token, header e footer.

   Sorgente: progetto Claude Design "Scuola Edile sito riporto"
     sito/pagine/Calendario.dc.html
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Hero — centrato, riquadro terracotta
   -------------------------------------------------------------------------- */
.cal-hero { background: var(--warm-sand); display: flex; align-items: center; }
.cal-hero__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px clamp(20px, 4vw, 48px);
}

.cal-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-medium);
}
.cal-back:hover { color: var(--text-medium); opacity: 0.7; }

.cal-hero__box { max-width: 768px; margin: 0 auto; text-align: center; }
.cal-hero__tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px; height: 80px;
  margin-bottom: 32px;
  border-radius: var(--radius-card);
  background: var(--terracotta);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cal-hero__eyebrow {
  margin: 0 0 24px;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--terracotta);
}
.cal-hero__title {
  margin: 0 0 32px;
  font-family: var(--font-heading);
  font-size: clamp(34px, 6vw, 60px);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  color: var(--navy);
}
.cal-hero__lead {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--lh-body);
  color: var(--text-medium);
  text-wrap: pretty;
}

/* --------------------------------------------------------------------------
   2. Barra sticky — filtri a sinistra, commutatore vista a destra
   -------------------------------------------------------------------------- */
.cal-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  background: rgba(250, 250, 248, 0.8);
  border-bottom: 1px solid var(--border-light);
}
.cal-bar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px clamp(20px, 4vw, 48px);
}
.cal-bar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.cal-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  min-width: 0;
}
.cal-filters__icon { display: flex; flex-shrink: 0; color: var(--text-medium); }

.cal-pill {
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: var(--text-15);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  cursor: pointer;
  border-radius: var(--radius-button);
  background: transparent;
  color: var(--text-medium);
  border: 2px solid var(--border-light);
  transition: transform var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}
.cal-pill:hover { border-color: var(--slate-300); }
.cal-pill:active { transform: scale(var(--press-scale)); }
.cal-pill.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* Commutatore Griglia / Lista */
.cal-view {
  display: flex;
  gap: 8px;
  padding: 4px;
  flex-shrink: 0;
  border-radius: var(--radius-button);
  background: var(--warm-sand);
}
.cal-view__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  border: none;
  cursor: pointer;
  border-radius: var(--radius-button);
  background: transparent;
  color: var(--text-medium);
  transition: transform var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
}
.cal-view__btn:active { transform: scale(var(--press-scale)); }
.cal-view__btn.is-active { background: var(--navy); color: #fff; }

@media (max-width: 1250px) {
  .cal-bar { top: 68px; }
}

/* --------------------------------------------------------------------------
   3. Corpo — gruppi per mese
   -------------------------------------------------------------------------- */
.cal-body { padding: 80px 0; background: var(--warm-white); }
.cal-body__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}
.cal-months { display: flex; flex-direction: column; gap: 64px; }

.cal-month[hidden] { display: none; }
.cal-month__head { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.cal-month__tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  flex-shrink: 0;
  border-radius: var(--radius-card);
  background: var(--terracotta);
  color: #fff;
}
.cal-month__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: var(--fw-bold);
  text-transform: capitalize;
  color: var(--navy);
}

/* Le due viste convivono nel markup: mostra solo quella attiva. */
.cal-root[data-view="grid"] .cal-list { display: none; }
.cal-root[data-view="list"] .cal-grid { display: none; }

/* --------------------------------------------------------------------------
   4. Vista griglia
   -------------------------------------------------------------------------- */
.cal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.cal-card { display: block; height: 100%; text-decoration: none; }
.cal-card[hidden] { display: none; }
.cal-card__box {
  height: 100%;
  overflow: hidden;
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.cal-card:hover .cal-card__box {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}
.cal-card__body { padding: 20px; }
.cal-card__tags {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
}
.cal-card__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  line-height: 1.3;
  color: var(--navy);
}
.cal-card__meta { display: flex; flex-direction: column; gap: 8px; color: var(--text-medium); }
.cal-card__meta span { display: flex; align-items: center; gap: 8px; font-size: var(--text-xs); }

/* Etichette area / stato */
.cal-tag {
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-button);
}
.cal-tag--live {
  background: var(--terracotta);
  color: #fff;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   5. Vista lista
   -------------------------------------------------------------------------- */
.cal-list { display: flex; flex-direction: column; gap: 16px; }
.cal-row { display: block; text-decoration: none; }
.cal-row[hidden] { display: none; }
.cal-row__box {
  padding: 24px;
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.cal-row:hover .cal-row__box {
  box-shadow: var(--shadow-card-hover);
  transform: translateX(8px);
}
.cal-row__inner { display: flex; align-items: flex-start; gap: 24px; }

.cal-date {
  flex-shrink: 0;
  width: 96px;
  padding: 24px 0;
  text-align: center;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-subtle);
}
.cal-date__day {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: var(--fw-bold);
  color: #fff;
}
.cal-date__month {
  margin-top: 4px;
  font-size: var(--text-sm);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
}

.cal-row__main { flex: 1; min-width: 0; }
.cal-row__tags { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.cal-row__tags .cal-tag { padding: 6px 16px; }
.cal-row__title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  line-height: 1.3;
  color: var(--navy);
}
.cal-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: var(--text-sm);
  color: var(--text-medium);
}
.cal-row__meta span { display: flex; align-items: center; gap: 8px; }

/* --------------------------------------------------------------------------
   6. Stato vuoto
   Aggiunta rispetto al design: filtrando per "Corsi Finanziati" nessun corso
   corrisponde e la pagina resterebbe completamente bianca.
   -------------------------------------------------------------------------- */
.cal-empty { text-align: center; padding: 64px 0; }
.cal-empty[hidden] { display: none; }
.cal-empty__icon { display: flex; justify-content: center; margin-bottom: 24px; opacity: 0.2; color: var(--navy); }
.cal-empty__title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--navy);
}
.cal-empty p { margin: 0; color: var(--text-medium); }

/* --------------------------------------------------------------------------
   7. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .cal-hero__inner { padding: 48px clamp(20px, 4vw, 48px); }
  .cal-body { padding: 48px 0; }
  .cal-months { gap: 48px; }
  .cal-bar__row { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .cal-grid { grid-template-columns: 1fr; }
  .cal-row__inner { gap: 16px; }
  .cal-date { width: 72px; padding: 16px 0; }
  .cal-row__box { padding: 16px; }
  .cal-view { width: 100%; }
  .cal-view__btn { flex: 1; justify-content: center; }
}