/* ============================================================
   SITE-THEME.CSS — foglio di stile condiviso Rete NeTVision
   Usato da: THE-HUB e canali simili, netvision.php (podcast),
   pagine categoria (spettacolo, sport, ecc.)
   Le variabili e le misure di base (logo, header) sono allineate
   alla Home, così tutte le pagine hanno lo stesso "scheletro".
   Modificare qui aggiorna automaticamente tutte le pagine collegate.
   ============================================================ */

:root {
  --bg-deep:      #06101e;
  --bg-mid:       #0d1a30;
  --bg-surface:   #132139;
  --accent:       #4fc3f7;
  --accent-dim:   rgba(79,195,247,0.15);
  --accent-glow:  rgba(79,195,247,0.35);
  --text-main:    #eaf0f8;
  --text-dim:     #8194ae;
  --text-muted:   #b8c4d6;
  --radius:       8px;
  --transition:   0.3s ease;
  --font:         system-ui, -apple-system, Arial, sans-serif;
  --header-h:     90px;   /* stessa altezza della Home */
  --header-h-mob: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { height: 100%; }
body {
  font-family: var(--font);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  color: var(--text-main);
  min-height: 100vh;
  padding-top: var(--header-h);
}

/* ============================================
   HEADER — logo + navigazione Indietro/Home
   ============================================ */
.channel-header {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); padding: 0 24px;
  background: rgba(6,16,30,0.85); backdrop-filter: blur(12px);
  border-bottom: 0.5px solid rgba(79,195,247,0.1);
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
}
.channel-header img { height: 48px; width: auto; display: block; } /* stessa misura della Home */
.header-nav-links { display: flex; align-items: center; gap: 22px; }
.back-home {
  color: var(--text-main); text-decoration: none; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; gap: 6px; transition: all var(--transition);
  background-color: rgba(19,33,57,0.7); border: 1.5px solid rgba(79,195,247,0.35);
  padding: 8px 16px; border-radius: 20px;
}
.back-home:hover { color: var(--bg-deep); background-color: var(--accent); border-color: var(--accent); }

@media (max-width: 640px) {
  .channel-header { height: var(--header-h-mob); padding: 0 16px; }
  body { padding-top: var(--header-h-mob); }
  .channel-header img { height: 32px; } /* stessa misura della Home su mobile */
  .header-nav-links { gap: 10px; }
  .back-home { padding: 8px 10px; }
  .back-home span.label { display: none; } /* su mobile restano solo le icone, per risparmiare spazio */
}

/* ============================================
   TITOLO PAGINA / CATEGORIA
   ============================================ */
.channel-title-block { text-align: center; padding: 22px 16px 4px; }
.channel-title-block h1 { font-size: 30px; letter-spacing: 1px; color: var(--text-main); }
.channel-title-block h3 { font-size: 15px; color: var(--text-muted); font-weight: 400; font-style: italic; margin-top: 4px; }

/* ============================================
   PLAYER / IMMAGINE PRINCIPALE
   ============================================ */
.player-wrap { max-width: 1100px; margin: 14px auto 20px; padding: 0 16px; position: relative; }
.player-box { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,0.5); background:#000; }
.player-box video, .player-box img { display: block; width: 100%; aspect-ratio: 16/9; height: auto; object-fit: cover; }

/* ============================================
   BARRA AZIONI (social, condividi, info)
   ============================================ */
.action-bar { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; max-width: 1200px; margin: 0 auto 30px; padding: 14px 30px; background-color: var(--bg-surface); border-radius: var(--radius); border: 0.5px solid rgba(79,195,247,0.12); }
.btn-action { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 24px; font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; border: 1.5px solid rgba(79,195,247,0.4); background-color: rgba(19,33,57,0.6); color: var(--text-main); transition: all var(--transition); }
.btn-action:hover { border-color: var(--accent); background-color: var(--accent-dim); transform: translateY(-1px); }

/* Icone social — cerchietti */
.social-circle { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background-color: rgba(19,33,57,0.6); border: 1.5px solid rgba(79,195,247,0.3); transition: all var(--transition); }
.social-circle:hover { border-color: var(--accent); background-color: var(--accent-dim); transform: translateY(-1px); }
.s-icon { display: block; width: 20px; height: 20px; background-color: var(--text-main); -webkit-mask-size: contain; -webkit-mask-repeat: no-repeat; -webkit-mask-position: center; mask-size: contain; mask-repeat: no-repeat; mask-position: center; transition: background-color var(--transition); }
.social-circle:hover .s-icon { background-color: var(--accent); }
.btn-share .s-icon { width: 16px; height: 16px; }
.btn-share:hover .s-icon { background-color: var(--accent); }
.s-fb { mask-image: url('/s_fb.svg'); -webkit-mask-image: url('/s_fb.svg'); }
.s-in { mask-image: url('/s_in.svg'); -webkit-mask-image: url('/s_in.svg'); }
.s-x  { mask-image: url('/s_x.svg');  -webkit-mask-image: url('/s_x.svg'); }
.s-tk { mask-image: url('/s_tk.svg'); -webkit-mask-image: url('/s_tk.svg'); }
.s-yt { mask-image: url('/s_yt.svg'); -webkit-mask-image: url('/s_yt.svg'); }
.s-share { mask-image: url('/s_share.svg'); -webkit-mask-image: url('/s_share.svg'); }

/* ============================================
   PANNELLO "ESPANDI" (Info, ecc.) — altezza dinamica via JS
   ============================================ */
.expand-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; border-radius: 24px; font-size: 14px; font-weight: 600; cursor: pointer; border: 1.5px solid rgba(79,195,247,0.4); background-color: rgba(19,33,57,0.6); color: var(--text-main); transition: all var(--transition); }
.expand-btn:hover { border-color: var(--accent); background-color: var(--accent-dim); }
.expand-btn .chevron { display: inline-block; transition: transform var(--transition); }
.expand-btn.open .chevron { transform: rotate(180deg); }
.expand-panel { max-height: 0; overflow: hidden; transition: max-height 0.5s ease; }
.expand-content { background-color: var(--bg-surface); border-radius: var(--radius); padding: 20px 26px; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.expand-content a { color: var(--accent); text-decoration: none; font-weight: 600; }
.expand-content a:hover { text-decoration: underline; }

/* ============================================
   SCHEDE (puntate podcast / programmi categoria)
   ============================================ */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-card { display: block; text-decoration: none; color: inherit; background-color: var(--bg-surface); border-radius: var(--radius); overflow: hidden; border: 0.5px solid rgba(79,195,247,0.1); transition: transform var(--transition), border-color var(--transition); }
.info-card:hover { transform: translateY(-3px); border-color: rgba(79,195,247,0.4); }
.info-card img { width: 100%; aspect-ratio: 2/1; object-fit: cover; display: block; }
.info-card-body { padding: 14px 16px 16px; }
.info-card h2 { font-size: 15px; font-weight: 700; color: var(--text-main); line-height: 1.35; margin-bottom: 6px; }
.info-card p { font-size: 13.5px; color: var(--text-main); opacity: 0.85; line-height: 1.65; }
.info-card.no-link p a { color: var(--accent); font-weight: 700; text-decoration: underline; cursor: pointer; pointer-events: all; }
.info-card.no-link p a:hover { color: #fff; }
.info-card-clicks { font-size: 11px; color: var(--accent); font-weight: 700; margin-top: 8px; opacity: 0.8; }

/* Pannello espandi schede categoria */
.cards-expand-row { text-align: center; margin: 20px 0 10px; }
.cards-expand-panel { max-height: 0; overflow: hidden; transition: max-height 0.6s ease; }

@media (max-width: 900px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards-grid { grid-template-columns: 1fr; } .channel-title-block h1 { font-size: 24px; } }

/* ============================================
   BADGE CONTATORE WEBSPETTATORI (dirette e podcast)
   ============================================ */
.viewers-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px;
  background-color: var(--accent-dim); border: 1.5px solid rgba(79,195,247,0.5);
  border-radius: 24px; color: var(--accent); font-size: 13px; font-weight: bold; letter-spacing: 0.5px;
  box-shadow: 0 0 14px var(--accent-glow);
}

/* ============================================
   BADGE LIVE / rosso pulsante (coerente con la Home)
   ============================================ */
.live-pill { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: bold; color: #ff5252; letter-spacing: 0.5px; text-decoration: none; background-color: rgba(229,57,53,0.12); border: 1.5px solid rgba(255,82,82,0.55); border-radius: 20px; padding: 9px 20px; box-shadow: 0 0 14px rgba(229,57,53,0.35); transition: all var(--transition); }
.live-pill:hover { transform: scale(1.05); filter: brightness(1.15); }
.live-dot { width: 9px; height: 9px; background-color: #ff5252; border-radius: 50%; animation: pulse 1.5s ease-in-out infinite; flex-shrink: 0; }
@keyframes pulse { 0%,100% {opacity:1;} 50% {opacity:0.35;} }

/* ============================================
   FUNZIONE JS CONDIVISA — apertura pannelli espandibili
   (va richiamata dalle pagine con: toggleExpandPanel('idPannello','idPulsante'))
   ============================================ */