:root{
  --bg:#f3f5fa;--card:#fff;--text:#0f172a;--muted:#64748b;--line:#e3e8f0;--hover:#f1f4f9;
  --accent:#2563eb;--accent-text:#fff;--accent-soft:#e0eaff;--danger:#dc2626;--ok:#16a34a;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 6px 20px rgba(15,23,42,.06);
}
@media(prefers-color-scheme:dark){:root{--bg:#0a0f1c;--card:#121a2b;--text:#e5e9f2;--muted:#8e9ab0;--line:#1f2a3f;--hover:#18223a;
  --accent:#3b82f6;--accent-soft:#1a2a4a;--danger:#f87171;--ok:#4ade80;--shadow:none}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-tap-highlight-color:transparent;min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}
button,input{font:inherit;color:inherit}
header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:12px 16px;
  padding-top:max(12px,env(safe-area-inset-top));
  background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.logo{font-size:24px}
.title h1{font-size:17px;margin:0;font-weight:650}
.me{font-size:13px;color:var(--muted)}
.me b{color:var(--text)}
.link{border:0;background:transparent;cursor:pointer;padding:2px 4px;font-size:13px}
.conn{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 25%,transparent)}
.dot.off{background:var(--danger);box-shadow:0 0 0 3px color-mix(in srgb,var(--danger) 25%,transparent)}
main{max-width:760px;margin:0 auto;padding:16px;display:grid;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:12px 14px}
.hint{font-size:13.5px;color:var(--muted)}
.hint b{color:var(--text)}

.peers{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.peer{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  padding:18px 10px 14px;text-align:center;cursor:pointer;transition:.15s;user-select:none}
.peer:hover,.peer.over{border-color:var(--accent);background:var(--accent-soft)}
.peer .av{width:60px;height:60px;margin:0 auto 8px;border-radius:50%;display:grid;place-items:center;font-size:30px;background:var(--accent-soft)}
.peer .nm{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.peer .tag{font-size:12px;color:var(--muted)}
.peer .st{font-size:12px;margin-top:6px;color:var(--accent);min-height:16px;font-variant-numeric:tabular-nums}
.peer.busy{border-color:var(--accent)}
.empty{text-align:center;color:var(--muted);padding:20px 0}
.radar{position:relative;width:120px;height:120px;margin:0 auto 10px;display:grid;place-items:center;font-size:30px}
.radar i{position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);opacity:0;animation:ping 3s infinite}
.radar i:nth-child(2){animation-delay:1s}.radar i:nth-child(3){animation-delay:2s}
@keyframes ping{0%{transform:scale(.3);opacity:.6}100%{transform:scale(1);opacity:0}}

.actions{display:grid}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:550;text-decoration:none;color:inherit}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--danger)}
.btn.small{padding:7px 12px;font-size:13px;border-radius:10px}

.log{display:grid;gap:8px}
.entry{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:grid;gap:4px;font-size:14px}
.entry .top{display:flex;gap:8px;align-items:center}
.entry .top b{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.entry .meta{font-size:12.5px;color:var(--muted)}
.entry .bar{height:5px;border-radius:5px;background:var(--hover);overflow:hidden}
.entry .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.entry.done .bar i{background:var(--ok)}
.entry.err .bar i{background:var(--danger)}
.entry.err .meta{color:var(--danger)}
.entry .txt{white-space:pre-wrap;word-break:break-word;background:var(--hover);padding:8px 10px;border-radius:8px;max-height:150px;overflow:auto}
.entry .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
footer{font-size:12px;color:var(--muted);text-align:center;padding:8px 0 24px}

dialog{border:1px solid var(--line);border-radius:18px;background:var(--card);color:var(--text);padding:6px;width:min(94vw,400px);max-height:92vh}
dialog::backdrop{background:rgba(0,0,0,.5)}
.dlg{padding:14px;display:grid;gap:10px}
.dlg h2{margin:0;font-size:18px}
.sub{margin:0;color:var(--muted);font-size:13.5px}
.row{display:flex;gap:8px}.row>*{flex:1}.row.end{justify-content:flex-end}.row.end>*{flex:0 0 auto}
hr{border:0;border-top:1px solid var(--line);width:100%;margin:2px 0}
#qrWrap{display:grid;place-items:center}
#qr{width:200px;height:200px;background:#fff;padding:8px;border-radius:12px}
#qr svg,#qr img{width:100%;height:100%;display:block}
.code{font:700 30px/1 ui-monospace,Consolas,monospace;letter-spacing:.18em;text-align:center;padding:6px 0;user-select:all}
input#joinCode{padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg);text-transform:uppercase;letter-spacing:.15em;text-align:center;min-width:0}
.room{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;background:var(--hover);font-size:14px}
.room code{flex:1;letter-spacing:.12em;font-weight:600}
dialog .h{padding:10px 12px 6px;font-weight:600}
dialog button.opt{display:flex;width:100%;gap:12px;align-items:center;padding:13px 12px;border:0;background:transparent;border-radius:10px;cursor:pointer;text-align:left}
dialog button.opt:hover{background:var(--hover)}
#drop{position:fixed;inset:0;z-index:50;display:none;place-items:center;background:color-mix(in srgb,var(--accent) 14%,transparent);backdrop-filter:blur(2px);pointer-events:none}
#drop.on{display:grid}
#drop div{border:3px dashed var(--accent);background:var(--card);padding:30px 44px;border-radius:20px;font-size:18px;font-weight:600}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--text);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;transition:.25s;z-index:70;pointer-events:none;max-width:90vw}
#toast.on{opacity:1;transform:translateX(-50%)}
textarea{width:100%;min-height:90px;padding:10px;border-radius:12px;border:1px solid var(--line);background:var(--bg);resize:vertical}

.auto{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted)}
.peer .rt{font-size:11.5px;color:var(--muted);margin-top:4px;min-height:14px}
.meter{font-size:12px;color:var(--muted);text-align:center;padding:0 0 24px}

/* ===== DelMon Drop: aspetto e animazioni ===== */
@property --p{syntax:'<number>';inherits:true;initial-value:0}
body{position:relative;overflow-x:hidden}
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.bg i{position:absolute;width:55vmax;height:55vmax;border-radius:50%;filter:blur(70px);opacity:.28;animation:drift 22s ease-in-out infinite alternate}
.bg i:nth-child(1){background:#2563eb;top:-22vmax;left:-18vmax}
.bg i:nth-child(2){background:#7c3aed;bottom:-26vmax;right:-20vmax;animation-delay:-8s}
.bg i:nth-child(3){background:#06b6d4;top:35%;left:55%;width:34vmax;height:34vmax;opacity:.16;animation-delay:-14s}
@media(prefers-color-scheme:light){.bg i{opacity:.16}.bg i:nth-child(3){opacity:.1}}
@keyframes drift{to{transform:translate(8vmax,6vmax) scale(1.15)}}

header .logo{border-radius:10px;box-shadow:0 4px 14px rgba(37,99,235,.35);animation:bob 4.5s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-2px) rotate(-3deg)}}
.title h1{letter-spacing:-.02em}
.title h1 span{background:linear-gradient(90deg,#3b82f6,#a855f7);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn.install{margin-left:auto;background:linear-gradient(135deg,#2563eb,#7c3aed);border-color:transparent;color:#fff}
.btn.install + .conn{margin-left:0}
.btn{transition:transform .12s,background .15s,filter .15s}
.btn:active{transform:scale(.97)}

/* barra "scegli a chi inviare" */
.sharebar{position:sticky;top:62px;z-index:15;display:flex;align-items:center;gap:12px;margin:10px 16px 0;max-width:728px;padding:12px 14px;border-radius:14px;
  background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;box-shadow:0 10px 30px rgba(79,70,229,.35);animation:slideDown .35s cubic-bezier(.2,.9,.3,1.2)}
@media(min-width:792px){.sharebar{margin-left:auto;margin-right:auto;width:calc(100% - 32px)}}
.sharebar .sb-text{flex:1;min-width:0;display:grid;font-size:14px}
.sharebar .sb-text span{opacity:.85;font-size:12.5px}
.sharebar .btn{background:rgba(255,255,255,.18);border-color:transparent;color:#fff}
@keyframes slideDown{from{opacity:0;transform:translateY(-14px) scale(.98)}}

/* dispositivi */
.peer{animation:pop .45s cubic-bezier(.2,.9,.3,1.25) backwards;animation-delay:calc(var(--i,0)*60ms);transition:transform .15s,border-color .15s,background .15s,box-shadow .15s;--p:0}
.peer:hover{transform:translateY(-3px)}
.peer:active{transform:scale(.97)}
@keyframes pop{from{opacity:0;transform:scale(.75) translateY(14px)}}
.peer .av{position:relative;font-size:30px;transition:transform .2s}
.peer:hover .av{transform:scale(1.07) rotate(-4deg)}
.peer .av::before{content:'';position:absolute;inset:-6px;border-radius:50%;opacity:0;transition:opacity .25s;
  background:conic-gradient(var(--accent) calc(var(--p)*1%),transparent 0);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px))}
.peer.busy .av::before{opacity:1}
.peer.busy .av{animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.06)}}
.peer.ok .av::before{opacity:1;background:var(--ok)}
.peer.ok .av{animation:okpop .7s cubic-bezier(.2,.9,.3,1.4)}
@keyframes okpop{0%{transform:scale(1)}40%{transform:scale(1.18)}100%{transform:scale(1)}}
.peer.all .av{background:linear-gradient(135deg,#2563eb33,#7c3aed33)}
.sharing .peer{border-color:var(--accent);animation:pop .45s backwards,beacon 1.8s ease-in-out infinite;animation-delay:calc(var(--i,0)*60ms),0s}
@keyframes beacon{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 45%,transparent)}50%{box-shadow:0 0 0 9px color-mix(in srgb,var(--accent) 0%,transparent)}}
.peer .st:not(:empty){animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0}}

/* registro trasferimenti */
.entry{animation:slideIn .35s cubic-bezier(.2,.9,.3,1.1)}
@keyframes slideIn{from{opacity:0;transform:translateY(-10px) scale(.98)}}
.entry:not(.done):not(.err) .bar i{background-image:linear-gradient(115deg,rgba(255,255,255,.28) 25%,transparent 25% 50%,rgba(255,255,255,.28) 50% 75%,transparent 75%);background-size:22px 22px;animation:stripes .8s linear infinite}
@keyframes stripes{to{background-position:22px 0}}
.entry.done{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.entry.err{border-color:color-mix(in srgb,var(--danger) 45%,var(--line))}

/* finestre */
dialog[open]{animation:dlgIn .26s cubic-bezier(.2,.9,.3,1.15)}
dialog[open]::backdrop{animation:fadeIn .25s}
@keyframes dlgIn{from{opacity:0;transform:translateY(18px) scale(.96)}}
dialog button.opt{transition:background .12s,transform .12s}
dialog button.opt:active{transform:scale(.98)}
#toast{transition:.3s cubic-bezier(.2,.9,.3,1.2)}
#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:80}
.empty .radar span{animation:bob 3s ease-in-out infinite}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  #fx{display:none}
}

.peer.still{animation:none}
.sharing .peer.still{animation:beacon 1.8s ease-in-out infinite}

/* anteprime nel registro */
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin:2px 0}
.thumb{position:relative;width:60px;height:60px;border-radius:12px;overflow:hidden;border:1px solid var(--line);padding:0;background:var(--hover);cursor:pointer;
  display:grid;place-items:center;transition:transform .15s,box-shadow .15s;animation:pop .35s cubic-bezier(.2,.9,.3,1.3) backwards}
.thumb:hover{transform:scale(1.06);box-shadow:0 6px 16px rgba(0,0,0,.25)}
.thumb:active{transform:scale(.95)}
.thumb img,.thumb video{width:100%;height:100%;object-fit:cover;display:block}
.thumb .ico{font-size:24px}
.thumb .play{position:absolute;inset:auto 4px 4px auto;width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:9px;display:grid;place-items:center}
.thumb.more{font-weight:700;font-size:15px;color:var(--text)}

/* visualizzatore a tutto schermo */
#viewer{position:fixed;inset:0;z-index:90;background:rgba(5,8,16,.94);display:none;flex-direction:column;color:#fff;backdrop-filter:blur(6px)}
#viewer.on{display:flex;animation:fadeIn .2s}
#viewer .vt{display:flex;align-items:center;gap:10px;padding:10px 12px;padding-top:max(10px,env(safe-area-inset-top))}
#viewer .vt .vn{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;opacity:.9}
#viewer .vt .btn:not(.primary){background:rgba(255,255,255,.12);border-color:transparent;color:#fff}
#viewer .vb{flex:1;display:grid;place-items:center;min-height:0;position:relative;padding:0 8px max(12px,env(safe-area-inset-bottom))}
#viewer .vmedia{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;animation:zoomIn .28s cubic-bezier(.2,.9,.3,1.1)}
#viewer audio{width:min(92%,480px)}
.vmsg{max-width:340px;text-align:center;opacity:.85;line-height:1.5}
.vnav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:24px;cursor:pointer;transition:background .15s}
.vnav:hover{background:rgba(255,255,255,.28)}
.vnav.p{left:10px}.vnav.n{right:10px}
@keyframes zoomIn{from{opacity:0;transform:scale(.92)}}
.entry:has(.txt) .bar{display:none}

/* ===== correzioni di layout: nomi lunghi non devono allargare la pagina ===== */
html,body{max-width:100%;overflow-x:hidden}
main{grid-template-columns:minmax(0,1fr)}
.log,.peers{min-width:0}
.log{grid-template-columns:minmax(0,1fr)}
.entry{min-width:0}
.entry .top b,.entry .meta{min-width:0}
.entry .meta{overflow-wrap:anywhere}
.entry .txt{overflow-wrap:anywhere}
.entry .row .btn{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hint{overflow-wrap:anywhere}
.dlg,.dlg>*{min-width:0}
.dlg .sub,.dlg .sub div{overflow-wrap:anywhere;word-break:break-word}
dialog{overflow-x:hidden}
.sharebar .sb-text b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.peer .nm,.peer .tag,.peer .rt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* "Drop" più leggibile sullo sfondo scuro */
@media(prefers-color-scheme:dark){.title h1 span{background-image:linear-gradient(90deg,#60a5fa,#d8b4fe)}}
.entry{grid-template-columns:minmax(0,1fr)}
.entry .top{min-width:0}
.entry .bar,.entry .row,.entry .thumbs{min-width:0;max-width:100%}