/* v85.it - stile moderno, chiaro/scuro automatico */
:root{
  --bg:#f5f6fb; --bg-grad:radial-gradient(1200px 600px at 15% -10%, #e9e7ff 0%, transparent 55%), radial-gradient(1000px 500px at 110% 10%, #e3f0ff 0%, transparent 50%);
  --surface:#ffffff; --surface-2:#f2f4fa; --border:#e4e7f0; --border-strong:#d3d8e6;
  --text:#161a2b; --muted:#6b7280; --muted-2:#9aa1b1;
  --accent:#4f46e5; --accent-2:#7c3aed; --accent-soft:#eef0ff; --accent-ring:rgba(79,70,229,.35);
  --ok:#16a34a; --ok-soft:#e8f7ee; --warn:#d97706; --warn-soft:#fdf3e5; --err:#dc2626; --err-soft:#fdeaea;
  --radius:16px; --radius-sm:10px; --shadow:0 10px 30px rgba(22,26,43,.08); --shadow-sm:0 2px 8px rgba(22,26,43,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0d1017; --bg-grad:radial-gradient(1200px 600px at 15% -10%, #1b1a3a 0%, transparent 55%), radial-gradient(1000px 500px at 110% 10%, #10233a 0%, transparent 50%);
    --surface:#151a24; --surface-2:#1b2130; --border:#252c3b; --border-strong:#333c4e;
    --text:#eef1f7; --muted:#9aa3b5; --muted-2:#6d768a;
    --accent:#7c8cff; --accent-2:#a78bfa; --accent-soft:#1d2340; --accent-ring:rgba(124,140,255,.35);
    --ok:#4ade80; --ok-soft:#12261a; --warn:#fbbf24; --warn-soft:#2a2110; --err:#f87171; --err-soft:#2a1414;
    --shadow:0 12px 34px rgba(0,0,0,.45); --shadow-sm:0 2px 10px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  color:var(--text); background:var(--bg); background-image:var(--bg-grad);
  background-attachment:fixed; line-height:1.55; min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.topbar{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:16px 22px; max-width:1080px; margin:0 auto}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.25rem; letter-spacing:-.02em; color:var(--text)}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#fff;font-size:.85rem;font-weight:800;box-shadow:var(--shadow-sm)}
.topbar nav{display:flex; gap:8px; align-items:center}
.topbar nav a{padding:8px 14px; border-radius:999px; color:var(--muted); font-weight:600; font-size:.92rem}
.topbar nav a:hover{background:var(--surface-2); text-decoration:none; color:var(--text)}
.topbar nav a.active{background:var(--accent-soft); color:var(--accent)}
.wrap{max-width:1080px; margin:0 auto; padding:8px 22px 64px}
.narrow{max-width:620px; margin:0 auto}
.card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow); padding:26px}
.card + .card{margin-top:20px}
.hero{text-align:center; margin:10px auto 26px; max-width:640px}
.hero h1{font-size:2rem; margin:0 0 8px; letter-spacing:-.03em}
.hero p{color:var(--muted); margin:0}
.tabs{display:inline-flex; gap:4px; padding:5px; background:var(--surface-2); border:1px solid var(--border); border-radius:999px; margin:0 auto 22px}
.tabs.center{display:flex; width:max-content; margin-left:auto; margin-right:auto}
.tab{border:0; background:transparent; color:var(--muted); font-weight:700; font-size:.95rem; padding:9px 20px; border-radius:999px; cursor:pointer; display:inline-flex; align-items:center; gap:8px}
.tab.active{background:var(--surface); color:var(--accent); box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block; font-weight:600; font-size:.9rem; margin-bottom:6px; color:var(--text)}
.field .hint{font-weight:500; color:var(--muted-2); font-size:.82rem}
.input, select.input, textarea.input{
  width:100%; padding:12px 14px; border:1px solid var(--border-strong); border-radius:var(--radius-sm);
  background:var(--surface); color:var(--text); font-size:.98rem; font-family:inherit; transition:border-color .15s, box-shadow .15s;
}
.input:focus{outline:0; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-ring)}
.row{display:flex; gap:14px; flex-wrap:wrap}
.row > .field{flex:1 1 180px; margin-bottom:0}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:9px; padding:12px 20px; border:1px solid transparent; border-radius:var(--radius-sm); font-weight:700; font-size:.97rem; cursor:pointer; font-family:inherit; transition:transform .06s, box-shadow .15s, background .15s; background:var(--surface-2); color:var(--text)}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; box-shadow:0 8px 20px -8px var(--accent)}
.btn-primary:hover{box-shadow:0 10px 26px -8px var(--accent)}
.btn-block{width:100%}
.btn-sm{padding:6px 10px; font-size:.8rem; border-radius:8px}
.btn-ghost{background:transparent; border-color:var(--border-strong); color:var(--muted)}
.btn-ghost:hover{background:var(--surface-2); color:var(--text)}
.btn-danger{background:var(--err-soft); color:var(--err); border-color:transparent}
.btn-danger:hover{background:var(--err); color:#fff}
.btn[disabled]{opacity:.55; cursor:not-allowed}
.alert{padding:12px 16px; border-radius:var(--radius-sm); font-size:.92rem; font-weight:600; margin-bottom:16px}
.alert.ok{background:var(--ok-soft); color:var(--ok)}
.alert.err{background:var(--err-soft); color:var(--err)}
.alert.warn{background:var(--warn-soft); color:var(--warn)}
.alert.info{background:var(--accent-soft); color:var(--accent)}
.result{margin-top:18px; padding:16px; border-radius:var(--radius-sm); background:var(--surface-2); border:1px dashed var(--border-strong); display:none}
.result.show{display:block}
.result .short-url{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:8px}
.result .short-url a{font-weight:700; word-break:break-all; font-size:1.02rem}
.dropzone{border:2px dashed var(--border-strong); border-radius:var(--radius); padding:30px 20px; text-align:center; cursor:pointer; transition:border-color .15s, background .15s; background:var(--surface-2)}
.dropzone.disabled{opacity:.55; pointer-events:none; cursor:not-allowed}
label.check{display:flex; align-items:flex-start; gap:8px; cursor:pointer}
label.check input{width:auto; margin:3px 0 0; accent-color:var(--accent)}
.hint.warn{color:var(--warn); margin-top:4px}
.dropzone:hover,.dropzone.drag{border-color:var(--accent); background:var(--accent-soft)}
.dropzone .dz-icon{font-size:1.9rem; display:block; margin-bottom:6px}
.dropzone strong{color:var(--accent)}
.filelist{margin-top:14px; display:flex; flex-direction:column; gap:8px}
.fileitem{display:flex; align-items:center; gap:12px; padding:10px 12px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--surface)}
.fileitem .ficon{width:38px;height:38px;border-radius:10px;background:var(--accent-soft); color:var(--accent); display:grid; place-items:center; font-size:1.1rem; flex:0 0 auto}
.fileitem .fmeta{flex:1; min-width:0}
.fileitem .fname{font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.fileitem .fsize{color:var(--muted); font-size:.83rem}
.fileitem .fdel{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:1.1rem;padding:4px 8px;border-radius:8px}
.fileitem .fdel:hover{background:var(--err-soft);color:var(--err)}
.progress{height:8px; border-radius:999px; background:var(--surface-2); overflow:hidden; margin-top:14px; display:none}
.progress.show{display:block}
.progress > i{display:block; height:100%; width:0; background:linear-gradient(135deg,var(--accent),var(--accent-2)); transition:width .2s}
table.table{width:100%; border-collapse:collapse; font-size:.9rem}
.table th,.table td{text-align:left; padding:9px 8px; border-bottom:1px solid var(--border); vertical-align:middle}
.table th{color:var(--muted); font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; font-weight:700; white-space:nowrap}
.table tbody tr:hover{background:var(--surface-2)}
.table .code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-weight:700}
.table .actions{display:flex; gap:5px; flex-wrap:nowrap}
.badge{display:inline-flex; align-items:center; gap:6px; padding:3px 10px; border-radius:999px; font-size:.78rem; font-weight:700}
.badge.on{background:var(--ok-soft); color:var(--ok)}
.badge.off{background:var(--err-soft); color:var(--err)}
.badge.info{background:var(--accent-soft); color:var(--accent)}
.badge.warn{background:var(--warn-soft); color:var(--warn)}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.section-head{display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:14px}
.section-head h2{margin:0; font-size:1.15rem}
.stat-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:12px; margin-bottom:18px}
.stat{background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-sm); padding:14px}
.stat .k{color:var(--muted); font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; font-weight:700}
.stat .v{font-size:1.35rem; font-weight:800; letter-spacing:-.02em; margin-top:4px}
.divider{height:1px; background:var(--border); margin:20px 0}
.center{text-align:center}
.stack{display:flex; flex-direction:column; gap:10px}
.spread{display:flex; align-items:center; justify-content:space-between; gap:12px}
.inline{display:inline-flex; align-items:center; gap:8px}
.toast{position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px); background:var(--text); color:var(--bg); padding:11px 18px; border-radius:999px; font-weight:600; font-size:.9rem; opacity:0; pointer-events:none; transition:opacity .2s, transform .2s; z-index:100; box-shadow:var(--shadow)}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0)}
.share-head{display:flex; align-items:flex-start; gap:16px; flex-wrap:wrap; justify-content:space-between}
.share-title{font-size:1.4rem; font-weight:800; letter-spacing:-.02em; margin:0}
.dl-row{display:flex; align-items:center; gap:14px; padding:14px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--surface); margin-bottom:10px}
.dl-row .ficon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:1.25rem;flex:0 0 auto}
.dl-row .fmeta{flex:1;min-width:0}
.dl-row .fname{font-weight:700; word-break:break-word}
footer.site{text-align:center; color:var(--muted-2); font-size:.82rem; padding:26px 10px 40px}
.hidden{display:none !important}
@media (max-width:600px){
  .card{padding:20px}
  .hero h1{font-size:1.6rem}
  .topbar{padding:14px 16px}
  .wrap{padding:6px 16px 48px}
  .table th:nth-child(n+5),.table td:nth-child(n+5){display:none}
  .table th:last-child,.table td:last-child{display:table-cell}
}