:root{
  --bg:#050505;
  --panel:rgba(18,18,20,.72);
  --panel-soft:rgba(255,255,255,.08);
  --text:#f5f5f7;
  --muted:#a1a1a6;
  --line:rgba(255,255,255,.16);
  --accent:#f5f5f7;
  --radius:34px;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Arial,sans-serif;overflow:hidden}
a{color:inherit;text-decoration:none}
.vtv-shell{position:relative;width:100vw;height:100dvh;overflow:hidden;background:radial-gradient(circle at 50% 0%,#1c1c1e 0%,#050505 48%,#000 100%)}
.ambient-bg{position:absolute;inset:-15%;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,0));filter:blur(70px);opacity:.7;pointer-events:none;transition:transform .6s ease}
.topbar{position:absolute;z-index:20;top:calc(16px + var(--safe-top));left:16px;right:16px;display:flex;align-items:center;justify-content:flex-end;pointer-events:none}
.brand,.live-pill{height:34px;display:flex;align-items:center;gap:9px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:rgba(0,0,0,.38);backdrop-filter:blur(24px);font-weight:650;letter-spacing:.2px;box-shadow:0 16px 50px rgba(0,0,0,.2)}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 18px rgba(255,255,255,.9)}
.live-pill{font-size:11px;color:#fff;letter-spacing:1.6px}
.phone-frame{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;touch-action:pan-y;background:#000}
.video-card{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:translateY(18px) scale(.985);transition:opacity .28s ease,transform .28s ease;pointer-events:none;background:#000}
.video-card.active{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.video-wrap{position:relative;width:100vw;height:100dvh;max-width:calc(100dvh * 9 / 16);margin:auto;background:#000;overflow:hidden}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.loading-card{display:flex;flex-direction:column;align-items:center;gap:16px;color:var(--muted);font-size:14px}
.loader{width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.15);border-top-color:#fff;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.side-controls{position:absolute;right:14px;top:50%;z-index:25;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px}
.side-controls button{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(0,0,0,.42);color:#fff;backdrop-filter:blur(22px);font-size:18px;cursor:pointer;box-shadow:0 12px 40px rgba(0,0,0,.3)}
.side-controls button:active{transform:scale(.94)}
.bottombar{position:absolute;z-index:20;left:16px;right:16px;bottom:calc(18px + var(--safe-bottom));display:flex;align-items:flex-end;justify-content:space-between;gap:16px;pointer-events:none}
.bottombar h1{margin:0 0 6px;font-size:clamp(22px,6vw,36px);line-height:.98;letter-spacing:-.8px;text-shadow:0 3px 20px rgba(0,0,0,.9);max-width:72vw}
.bottombar p{margin:0;color:rgba(245,245,247,.82);font-size:13px;text-shadow:0 2px 16px rgba(0,0,0,.9)}
.bottombar a{pointer-events:auto;white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:10px 12px;background:rgba(0,0,0,.42);backdrop-filter:blur(24px);font-size:12px;color:#fff}
.empty-state{padding:24px;text-align:center;color:var(--muted)}
.empty-state strong{display:block;color:#fff;font-size:24px;margin-bottom:8px}
@media (min-width: 780px){.video-wrap{border-radius:var(--radius);height:min(94dvh,900px);width:calc(min(94dvh,900px) * 9 / 16);box-shadow:0 30px 100px rgba(0,0,0,.68),0 0 0 1px rgba(255,255,255,.12)}.phone-frame{background:transparent}.bottombar{max-width:560px;margin:auto}.topbar{max-width:560px;margin:auto}.side-controls{right:calc(50vw - 330px)}}
@media (max-width:480px){.side-controls{right:10px}.side-controls button{width:40px;height:40px}.bottombar{align-items:flex-start;flex-direction:column;gap:10px}.bottombar h1{max-width:82vw}.bottombar a{font-size:11px}}

/* Titolo video: appare all’avvio e sparisce in fade/degradè dopo 3 secondi */
.video-info{position:relative;opacity:1;transform:translateY(0);will-change:opacity,transform,mask-image;-webkit-mask-image:linear-gradient(to bottom,#000 72%,rgba(0,0,0,.35) 100%);mask-image:linear-gradient(to bottom,#000 72%,rgba(0,0,0,.35) 100%)}
.video-info.title-fade{animation:vtvTitleFade 3.35s ease forwards}
@keyframes vtvTitleFade{
  0%,72%{opacity:1;transform:translateY(0);filter:blur(0)}
  100%{opacity:0;transform:translateY(10px);filter:blur(2px)}
}

/* Swipe verticale stile Reels/Shorts */
.gesture-layer{position:absolute;inset:0;z-index:8;background:transparent;touch-action:none;cursor:grab}
.gesture-layer:active{cursor:grabbing}
.video-card.from-next{animation:vtvInNext .34s cubic-bezier(.2,.8,.2,1)}
.video-card.from-prev{animation:vtvInPrev .34s cubic-bezier(.2,.8,.2,1)}
@keyframes vtvInNext{from{opacity:.2;transform:translateY(52px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes vtvInPrev{from{opacity:.2;transform:translateY(-52px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}

/* FASE 2.1 — Intro glassmorphism + micro animazioni Apple-like */
.intro-glass{
  position:absolute;
  inset:0;
  z-index:60;
  display:grid;
  place-items:center;
  padding:24px;
  background:radial-gradient(circle at 50% 20%,rgba(255,255,255,.12),rgba(0,0,0,.44) 42%,rgba(0,0,0,.72) 100%);
  backdrop-filter:blur(26px) saturate(145%);
  -webkit-backdrop-filter:blur(26px) saturate(145%);
  opacity:1;
  pointer-events:none;
  animation:introExit 3.35s cubic-bezier(.2,.8,.2,1) forwards;
}
.intro-card{
  width:min(86vw,420px);
  padding:34px 28px 30px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:34px;
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.07));
  box-shadow:0 30px 120px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.18);
  text-align:center;
  transform:translateY(12px) scale(.985);
  animation:introCardIn 2.85s cubic-bezier(.2,.8,.2,1) forwards;
}
.intro-kicker{
  margin-bottom:14px;
  color:rgba(245,245,247,.72);
  font-size:11px;
  font-weight:700;
  letter-spacing:2.4px;
}
.intro-card h2{
  margin:0;
  color:#fff;
  font-size:clamp(34px,9vw,54px);
  line-height:.94;
  letter-spacing:-1.8px;
  text-shadow:0 10px 40px rgba(0,0,0,.52);
}
.intro-card p{
  margin:18px auto 0;
  max-width:310px;
  color:rgba(245,245,247,.76);
  font-size:14px;
  line-height:1.45;
}
@keyframes introCardIn{
  0%{opacity:0;transform:translateY(18px) scale(.96);filter:blur(9px)}
  22%,76%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}
  100%{opacity:0;transform:translateY(-8px) scale(1.015);filter:blur(8px)}
}
@keyframes introExit{
  0%,76%{opacity:1;visibility:visible}
  100%{opacity:0;visibility:hidden}
}

.video-card{transition:opacity .46s cubic-bezier(.2,.8,.2,1),transform .46s cubic-bezier(.2,.8,.2,1),filter .46s cubic-bezier(.2,.8,.2,1)}
.video-card:not(.active){filter:blur(10px)}
.video-card.active{filter:blur(0)}
.side-controls button,.bottombar a,.live-pill{transition:transform .22s cubic-bezier(.2,.8,.2,1),background .22s ease,border-color .22s ease,opacity .22s ease}
.side-controls button:hover,.bottombar a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24)}
.live-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 16px rgba(255,255,255,.82);animation:livePulse 1.9s ease-in-out infinite;display:inline-block;margin-right:7px;vertical-align:1px}
@keyframes livePulse{0%,100%{opacity:.45;transform:scale(.92)}50%{opacity:1;transform:scale(1.16)}}
#ytPlayer, #ytPlayer iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.loading-card.hidden{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s ease,visibility .28s ease}
.video-card.soft-switch{animation:vtvSoftSwitch .42s cubic-bezier(.2,.8,.2,1)}
@keyframes vtvSoftSwitch{0%{opacity:.35;transform:scale(.992);filter:blur(8px)}100%{opacity:1;transform:scale(1);filter:blur(0)}}


.magazine-btn{
position:absolute;
left:50%;
bottom:88px;
transform:translateX(-50%);
z-index:40;
display:inline-flex;
align-items:center;
justify-content:center;
padding:12px 18px;
border-radius:999px;
background:rgba(255,255,255,.14);
backdrop-filter:blur(18px);
-webkit-backdrop-filter:blur(18px);
border:1px solid rgba(255,255,255,.18);
color:#fff;
text-decoration:none;
font-size:13px;
font-weight:700;
letter-spacing:.01em;
box-shadow:0 8px 30px rgba(0,0,0,.28);
transition:all .22s ease;
}

.magazine-btn:hover{
background:rgba(255,255,255,.22);
border-color:rgba(255,255,255,.28);
transform:translateX(-50%) scale(1.03);
}

@media(max-width:640px){
.magazine-btn{
bottom:92px;
font-size:12px;
padding:11px 16px;
max-width:88vw;
white-space:nowrap;
}
}