/* =========================================================================
   tool.ilmanuel.it — foglio di stile condiviso
   Tutte le pagine (index, password, futuri strumenti) usano questo file.
   Modifica lo stile qui in UN solo posto.
   ========================================================================= */

:root{
  --bg:#0b0c10;
  --bg-2:#121419;
  --bg-3:#171a21;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#e9ebf0;
  --muted:#8b909c;
  --faint:#565b67;
  --accent:#caff4d;
  --accent-soft:rgba(202,255,77,.12);
  --weak:#ff5d5d;
  --ok:#ffb454;
  --good:#7ee787;
  --radius:16px;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --display:'Bricolage Grotesque',sans-serif;
  --body:'Hanken Grotesk',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}
/* atmosfera: bagliore d'accento + grana sottile */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 18% -8%, rgba(202,255,77,.10), transparent 60%),
    radial-gradient(700px 500px at 100% 0%, rgba(90,120,255,.06), transparent 55%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.app{position:relative;z-index:1;display:grid;grid-template-columns:268px 1fr;min-height:100vh}

/* ============================ SIDEBAR ============================ */
.side{
  border-right:1px solid var(--line);
  padding:28px 22px;
  display:flex;flex-direction:column;gap:30px;
  position:sticky;top:0;height:100vh;
  background:linear-gradient(180deg,rgba(255,255,255,.015),transparent);
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.mark{
  width:34px;height:34px;border-radius:9px;flex:none;
  background:var(--accent);color:#10120a;
  display:grid;place-items:center;
  font-family:var(--mono);font-weight:700;font-size:18px;
  box-shadow:0 0 0 1px rgba(202,255,77,.4),0 6px 20px rgba(202,255,77,.18);
}
.brand b{font-family:var(--mono);font-size:14px;letter-spacing:-.3px;font-weight:500;color:var(--text)}
.brand b .ac{color:var(--accent)}
.brand small{display:block;color:var(--faint);font-size:11px;letter-spacing:.4px;margin-top:2px}

.nav-label{font-family:var(--mono);font-size:10.5px;letter-spacing:2px;text-transform:uppercase;color:var(--faint);padding:0 4px}
nav{display:flex;flex-direction:column;gap:5px;margin-top:11px}
.tool-btn{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;text-decoration:none;
  background:transparent;border:1px solid transparent;color:var(--muted);
  padding:11px 13px;border-radius:11px;cursor:pointer;font-family:var(--body);
  font-size:14.5px;transition:.18s;
}
.tool-btn .ico{width:18px;height:18px;flex:none;color:var(--faint);transition:.18s}
.tool-btn:hover:not(.soon){background:var(--bg-2);color:var(--text)}
.tool-btn:hover:not(.soon) .ico{color:var(--text)}
.tool-btn.active{background:var(--accent-soft);color:#fff;border-color:rgba(202,255,77,.22)}
.tool-btn.active .ico{color:var(--accent)}
.tool-btn.soon{cursor:default;opacity:.55}
.tool-btn.soon .tag{
  margin-left:auto;font-family:var(--mono);font-size:9px;letter-spacing:1px;
  text-transform:uppercase;color:var(--faint);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;
}
.side-foot{margin-top:auto;color:var(--faint);font-size:11.5px;line-height:1.6}
.side-foot a{color:var(--muted);text-decoration:none;border-bottom:1px dotted var(--line-strong)}
.side-foot a:hover{color:var(--accent)}

/* ============================ MAIN ============================ */
.main{padding:56px clamp(22px,6vw,80px);max-width:960px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;margin-bottom:26px;
  background:var(--bg-2);
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}

/* animazione di ingresso */
.fade{opacity:0;transform:translateY(14px);animation:rise .65s cubic-bezier(.2,.7,.3,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* ============================ HOME / INDEX ============================ */
.hero h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(38px,7vw,64px);line-height:1.0;letter-spacing:-2px;
}
.hero h1 .ac{color:var(--accent)}
.hero .lead{color:var(--muted);font-size:17px;line-height:1.6;max-width:54ch;margin-top:20px}

.principles{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.principle{
  display:flex;align-items:center;gap:9px;
  font-size:13px;color:var(--text);
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:8px 15px;
}
.principle svg{color:var(--accent);flex:none}

.sec-title{
  font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;
  color:var(--faint);margin:54px 0 18px;display:flex;align-items:center;gap:12px;
}
.sec-title::after{content:"";flex:1;height:1px;background:var(--line)}

.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.tool-card{
  display:block;text-decoration:none;color:inherit;
  background:linear-gradient(180deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;position:relative;overflow:hidden;transition:.2s;
  opacity:0;transform:translateY(14px);animation:rise .6s cubic-bezier(.2,.7,.3,1) forwards;
}
.tool-card:not(.soon):hover{border-color:rgba(202,255,77,.35);transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.35)}
.tool-card.soon{opacity:.5}
.tool-card.soon{animation:rise .6s cubic-bezier(.2,.7,.3,1) forwards}
.tc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.tc-index{font-family:var(--mono);font-size:13px;color:var(--accent)}
.tc-go{font-family:var(--mono);font-size:11px;color:var(--muted);transition:.2s}
.tool-card:hover .tc-go{color:var(--accent)}
.tc-soon{font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;color:var(--faint);border:1px solid var(--line);padding:2px 7px;border-radius:6px}
.tc-ico{width:30px;height:30px;color:var(--text);margin-bottom:12px}
.tool-card h3{font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:-.4px;margin-bottom:6px}
.tool-card p{color:var(--muted);font-size:13.5px;line-height:1.5}

/* ============================ INTESTAZIONE STRUMENTO ============================ */
.tool-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:34px}
.tool-index{font-family:var(--mono);font-size:13px;color:var(--accent);margin-top:14px}
.tool-head h1{font-family:var(--display);font-weight:800;font-size:clamp(34px,6vw,52px);line-height:1.02;letter-spacing:-1.5px}
.tool-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:48ch;line-height:1.5}

/* ============================ PASSWORD: output ============================ */
.output{
  background:linear-gradient(180deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;position:relative;overflow:hidden;
}
.output::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}
.out-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.out-label span{font-family:var(--mono);font-size:10.5px;letter-spacing:2px;text-transform:uppercase;color:var(--faint)}
.out-row{display:flex;align-items:center;gap:14px}
.pwd{
  flex:1;font-family:var(--mono);font-size:clamp(18px,3.4vw,27px);font-weight:500;
  color:var(--text);word-break:break-all;line-height:1.35;min-height:1.35em;letter-spacing:.5px;
}
.pwd .sym{color:var(--accent)}
.pwd .num{color:#9fd0ff}
.icon-btn{
  flex:none;width:46px;height:46px;border-radius:12px;cursor:pointer;
  background:var(--bg);border:1px solid var(--line-strong);color:var(--muted);
  display:grid;place-items:center;transition:.18s;
}
.icon-btn:hover{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}
.icon-btn:active{transform:scale(.93)}
.icon-btn.refresh:hover svg{transform:rotate(90deg)}
.icon-btn svg{transition:.3s}
.icon-btn.copied{color:var(--accent);border-color:var(--accent)}

/* forza */
.strength{margin-top:22px}
.strength-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.strength-top b{font-family:var(--body);font-size:13.5px;font-weight:600}
.strength-top em{font-family:var(--mono);font-style:normal;font-size:11.5px;color:var(--faint)}
.bar{height:7px;border-radius:999px;background:var(--bg);overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;width:0;border-radius:999px;transition:width .5s cubic-bezier(.2,.7,.3,1),background .3s}

/* controlli */
.controls{margin-top:14px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.ctrl-row{display:flex;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
.ctrl-row:last-child{border-bottom:none;padding-bottom:4px}
.ctrl-row:first-child{padding-top:4px}
.ctrl-name{font-size:14.5px}
.ctrl-name small{display:block;color:var(--faint);font-size:12px;margin-top:2px;font-family:var(--mono);letter-spacing:.3px}

.len-wrap{display:flex;align-items:center;gap:18px;width:58%;max-width:340px}
.len-val{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--accent);min-width:34px;text-align:right}
input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;height:6px;border-radius:999px;cursor:pointer;
  background:linear-gradient(90deg,var(--accent) 0 var(--val,40%),var(--bg-3) var(--val,40%));
}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--accent),0 4px 10px rgba(0,0,0,.4);cursor:pointer;transition:.15s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);cursor:pointer}
input[type=range]::-moz-range-track{background:transparent}

/* toggle */
.switch{position:relative;width:46px;height:26px;flex:none}
.switch input{opacity:0;width:0;height:0;position:absolute}
.slider{position:absolute;inset:0;background:var(--bg-3);border:1px solid var(--line-strong);border-radius:999px;transition:.22s;cursor:pointer}
.slider::before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:var(--muted);border-radius:50%;transition:.22s}
.switch input:checked + .slider{background:var(--accent);border-color:var(--accent)}
.switch input:checked + .slider::before{transform:translateX(20px);background:#10120a}

.note{display:flex;gap:10px;align-items:flex-start;margin-top:18px;color:var(--faint);font-size:12.5px;line-height:1.55}
.note svg{flex:none;margin-top:1px}

/* ============================ COMPONENTI CONDIVISI ============================
   Usati dal generatore di QR, ma pensati per essere riusati da altri strumenti. */

/* campo di testo / textarea */
.field{
  width:100%;background:var(--bg);border:1px solid var(--line-strong);border-radius:12px;
  color:var(--text);font-family:var(--body);font-size:15px;padding:14px 16px;resize:vertical;transition:.16s;
}
.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field::placeholder{color:var(--faint)}
.field-group{display:flex;flex-direction:column;gap:14px}
.field-label{font-size:12px;line-height:1.4;color:var(--muted);font-family:var(--mono);letter-spacing:.4px;display:block;margin-bottom:9px}

/* controllo a segmenti (es. modalità, livello correzione) */
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:4px;gap:4px}
.seg button{
  font-family:var(--mono);font-size:12px;letter-spacing:.5px;color:var(--muted);
  background:transparent;border:none;padding:7px 13px;border-radius:8px;cursor:pointer;transition:.16s;
}
.seg button:hover{color:var(--text)}
.seg button.on{background:var(--accent);color:#10120a;font-weight:700}

/* pulsante principale (azione: scarica, ecc.) */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;
  font-family:var(--body);font-weight:600;font-size:14.5px;color:#10120a;
  background:var(--accent);border:none;border-radius:12px;padding:13px 20px;cursor:pointer;transition:.16s;
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;filter:none}

/* ============================ QR: anteprima ============================ */
.qr-stage{display:flex;justify-content:center;margin-top:6px}
.qr-paper{
  background:#fff;border-radius:18px;padding:20px;display:grid;place-items:center;
  box-shadow:0 12px 34px rgba(0,0,0,.4);
}
.qr-paper canvas{display:block;width:100%;max-width:280px;height:auto;border-radius:4px}
.qr-empty{
  color:var(--faint);font-family:var(--mono);font-size:12.5px;text-align:center;line-height:1.6;
  padding:66px 24px;border:1px dashed var(--line-strong);border-radius:18px;width:100%;max-width:320px;
}

/* ============================ HASH & CHECKSUM ============================ */
/* output monospazio generico (impronta hash) */
.mono-out{
  flex:1;font-family:var(--mono);font-size:14.5px;line-height:1.65;
  color:var(--text);word-break:break-all;min-height:1.65em;
}
.mono-out.empty{color:var(--faint);font-size:13px}
.mono-out.calc{color:var(--faint)}

/* area di trascinamento file */
.drop{
  border:1px dashed var(--line-strong);border-radius:14px;padding:28px 20px;text-align:center;
  color:var(--muted);cursor:pointer;transition:.16s;background:var(--bg);
}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft);color:var(--text)}
.drop .d-ico{color:var(--faint);margin-bottom:10px;transition:.16s}
.drop:hover .d-ico,.drop.over .d-ico{color:var(--accent)}
.drop .file-name{color:var(--text);font-family:var(--mono);font-size:13px;margin-top:6px;word-break:break-all}
.drop .file-meta{color:var(--faint);font-family:var(--mono);font-size:11.5px;margin-top:3px}

/* badge di verifica (confronto hash) */
.verify{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;margin-top:16px;font-family:var(--body)}
.verify svg{flex:none}

/* ============================ RIMUOVI SFONDO ============================ */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}
.ba-pane{border:1px solid var(--line);border-radius:14px;overflow:hidden;position:relative;min-height:170px;display:grid;place-items:center;background:var(--bg)}
.ba-pane img,.ba-pane canvas{display:block;max-width:100%;max-height:320px;height:auto}
.ba-label{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--text);background:rgba(11,12,16,.7);border:1px solid var(--line);padding:3px 8px;border-radius:6px;backdrop-filter:blur(4px);z-index:2}

/* scacchiera per mostrare la trasparenza */
.checker{
  background-color:#1b1e24;
  background-image:
    linear-gradient(45deg,#2a2e36 25%,transparent 25%),
    linear-gradient(-45deg,#2a2e36 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#2a2e36 75%),
    linear-gradient(-45deg,transparent 75%,#2a2e36 75%);
  background-size:18px 18px;
  background-position:0 0,0 9px,9px -9px,-9px 0;
}

/* barra di avanzamento (download modello / elaborazione) */
.progress-wrap{margin:4px 0 18px}
.progress-text{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:8px}
.progress{height:8px;border-radius:999px;background:var(--bg);border:1px solid var(--line);overflow:hidden}
.progress > i{display:block;height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .25s}
.progress.indet > i{width:40%;animation:indet 1.1s infinite ease-in-out}
@keyframes indet{0%{margin-left:-45%}100%{margin-left:105%}}

/* campioni di sfondo */
.swatches{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:6px 0 18px}
.swatch{width:34px;height:34px;border-radius:9px;border:2px solid var(--line-strong);cursor:pointer;padding:0;transition:.15s}
.swatch:hover{transform:scale(1.08)}
.swatch.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.swatch.checker{background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0}
input[type=color]{-webkit-appearance:none;appearance:none;width:38px;height:38px;border:none;background:none;cursor:pointer;padding:0}
input[type=color]::-webkit-color-swatch-wrapper{padding:0}
input[type=color]::-webkit-color-swatch{border:2px solid var(--line-strong);border-radius:9px}
input[type=color]::-moz-color-swatch{border:2px solid var(--line-strong);border-radius:9px}

/* ============================ MOBILE ============================ */
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;align-items:center;gap:16px;padding:16px 18px;border-right:none;border-bottom:1px solid var(--line);overflow-x:auto;flex-wrap:nowrap}
  .nav-label,.side-foot{display:none}
  .nav-wrap{flex:1;min-width:0}
  nav{flex-direction:row;margin-top:0;gap:8px}
  .tool-btn{white-space:nowrap;padding:9px 14px}
  .tool-btn.soon{display:none}
  .brand small{display:none}
  .main{padding:38px 22px 60px}
  .len-wrap{width:auto;flex:1}
  .ctrl-row{flex-wrap:wrap;gap:10px}
  .ba-grid{grid-template-columns:1fr}
}