/* =======================================
   SPOTIFY CLASSIFICA – PODCAST TOP 10
   Versione ottimizzata e accessibile
======================================= */

:root {
  --sp-font-highlight: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sp-color-text-primary: #111827;
  --sp-color-text-secondary: #4b5563;
  --sp-color-text-muted: #6b7280;
  --sp-color-bg-base: #f9fafb;
  --sp-color-bg-hover: #f3f4f6;
  --sp-color-accent-red: #dc2626;
  --sp-color-accent-green: #16a34a;
  --sp-color-gradient: linear-gradient(135deg, #22c55e, #16a34a);
  --sp-radius-sm: 0.5rem;
  --sp-radius-md: 0.75rem;
  --sp-radius-lg: 1.25rem;
  --sp-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.25);
  --sp-shadow-card-hover: 0 25px 55px rgba(0, 0, 0, 0.3);
  --sp-transition: 0.2s ease;
}

/* Sezione generale */
#spotify-classifica {
  margin-top: 3rem;
  color: var(--sp-color-text-primary);
}

/* Sottotitolo */
#spotify-classifica .section-subtitle {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--sp-color-text-secondary);
  text-align: center;
}

/* Periodo (mese / anno) */
.spotify-period {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.25rem 0 2rem;
  font-family: var(--sp-font-highlight);
  font-weight: 700;
  color: var(--sp-color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spotify-month {
  color: var(--sp-color-accent-red);
}

.spotify-year {
  color: var(--sp-color-accent-green);
}

/* =======================================
   LISTA EPISODI
======================================= */

.spotify-episodes {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Singolo episodio */
.spotify-episode {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  background: var(--sp-color-bg-base);
  border: 1px solid rgba(17, 24, 39, 0.05);
  border-radius: var(--sp-radius-md);
  transition: background var(--sp-transition), transform 0.15s ease, border-color var(--sp-transition);
  will-change: transform;
}

.spotify-episode:hover,
.spotify-episode:focus-within {
  background: var(--sp-color-bg-hover);
  border-color: rgba(17, 24, 39, 0.12);
  transform: translateY(-1px);
}

/* Rank */
.spotify-rank {
  font-size: 1.3rem;
  min-width: 2.25rem;
  text-align: center;
  font-weight: 700;
  color: var(--sp-color-text-secondary);
}

/* Info episodio */
.spotify-episode-info {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 0.2rem;
}

.spotify-episode-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--sp-color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spotify-episode-author {
  font-size: 0.82rem;
  color: var(--sp-color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Pulsante play */
.spotify-play-btn {
  margin-left: auto;
  font-size: 0.82rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--sp-radius-sm);
  background: var(--sp-color-gradient);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity var(--sp-transition), transform 0.15s ease, box-shadow var(--sp-transition);
  border: none;
  box-shadow: 0 8px 18px rgba(34, 197, 94, 0.25);
}

.spotify-play-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.spotify-play-btn:focus-visible {
  outline: 2px solid rgba(34, 197, 94, 0.5);
  outline-offset: 2px;
}

/* =======================================
   CTA FINALE
======================================= */

.spotify-cta {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

/* =======================================
   PODCAST COVER
======================================= */

.spotify-cover-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.spotify-cover {
  width: min(220px, 65vw);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--sp-radius-lg);
  box-shadow: var(--sp-shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  will-change: transform;
}

.spotify-cover:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--sp-shadow-card-hover);
}

/* =======================================
   MOBILE
======================================= */

@media (max-width: 640px) {
  .spotify-episode {
    padding: 0.7rem 0.8rem;
    gap: 0.7rem;
  }

  .spotify-rank {
    font-size: 1.15rem;
    min-width: 2rem;
  }

  .spotify-episode-title {
    font-size: 0.92rem;
  }

  .spotify-cover {
    width: 180px;
  }

  .spotify-period {
    font-size: 0.92rem;
  }
}

/* =======================================
   SPOTIFY RANKING – INDICE MESI
======================================= */

#spotify-ranking-index {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 2.25rem;
}

.spotify-period-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: 0.6rem;
  background: var(--sp-color-bg-hover);
  text-decoration: none;
  font-family: var(--sp-font-highlight);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--sp-color-text-primary);
  transition: background var(--sp-transition), transform 0.15s ease, color var(--sp-transition);
}

.spotify-period-link:hover,
.spotify-period-link:focus-visible {
  background: #e5e7eb;
  transform: translateY(-1px);
  outline: none;
}

.spotify-period-link .spotify-month {
  color: var(--sp-color-accent-red);
}

.spotify-period-link .spotify-year {
  color: var(--sp-color-accent-green);
}

.spotify-period-link.is-active {
  background: var(--sp-color-gradient);
  color: #ffffff;
  box-shadow: 0 12px 22px rgba(34, 197, 94, 0.25);
}

.spotify-period-link.is-active .spotify-month,
.spotify-period-link.is-active .spotify-year {
  color: inherit;
}

@media (max-width: 640px) {
  #spotify-ranking-index {
    gap: 0.5rem;
  }

  .spotify-period-link {
    font-size: 0.8rem;
    padding: 0.4rem 0.65rem;
  }
}

/* =======================================
   SPOTIFY FILTRO ANNO
======================================= */

.spotify-filter {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 2.25rem;
  flex-wrap: wrap;
}

.spotify-filter label {
  font-size: 0.87rem;
  font-weight: 600;
  color: #374151;
}

#spotify-year-select {
  font-family: var(--sp-font-highlight);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: var(--sp-color-text-primary);
  cursor: pointer;
  transition: border-color var(--sp-transition), box-shadow var(--sp-transition);
  appearance: none;
}

#spotify-year-select:focus-visible {
  outline: none;
  border-color: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

/* =======================================
   ACCESSIBILITÀ & PREFERENZE UTENTE
======================================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

#spotify-classifica .spotify-episodes:empty::after {
  content: "Nessun episodio disponibile per questo periodo.";
  display: block;
  text-align: center;
  font-size: 0.9rem;
  color: #6b7280;
  margin-top: 1rem;
}


.spotify-cover-link {
  display: inline-block;
  border-radius: inherit;
}

.spotify-cover-link:focus-visible {
  outline: 3px solid rgba(34, 197, 94, 0.5);
  outline-offset: 4px;
}