:root{--bg:#f6f7f9;--card:#fff;--fg:#1c2430;--muted:#6b7684;--line:#dfe3e8;--acc:#1f5f8b;--acc-fg:#fff;
--ok:#1e7a46;--warn:#a15c00;--bad:#b3261e;--r:8px}
@media (prefers-color-scheme:dark){:root{--bg:#12161b;--card:#1b2128;--fg:#e6e9ed;--muted:#97a1ad;--line:#2c343d;--acc:#5aa6dc;--acc-fg:#0d1115;--ok:#5cc98a;--warn:#e0a24a;--bad:#ef7b72}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
header{position:sticky;top:0;z-index:5;background:var(--acc);padding-top:env(safe-area-inset-top)}
nav{display:flex;max-width:960px;margin:0 auto;overflow-x:auto}
nav a{color:var(--acc-fg);text-decoration:none;padding:12px 14px;white-space:nowrap;opacity:.8}
nav a.on{opacity:1;font-weight:600;box-shadow:inset 0 -3px 0 var(--acc-fg)}
main{max-width:960px;margin:0 auto;padding:16px 16px 80px}
h1{font-size:1.35rem;margin:.2em 0 .6em}
h2{font-size:1.05rem;margin:1.4em 0 .5em}
a{color:var(--acc)}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin:0 0 10px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.grow{flex:1 1 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.list{list-style:none;margin:0;padding:0}
.list>li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;margin-bottom:6px}
.list>li.link{cursor:pointer}
.day{margin:14px 0 6px;font-weight:600;text-transform:capitalize}
.day.today{color:var(--acc)}
.empty{color:var(--muted);padding:2px 0 6px}
label{display:block;font-size:.85rem;color:var(--muted);margin:0 0 3px}
.field{margin-bottom:10px}
input,select,textarea,button{font:inherit;color:inherit}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--card);min-height:40px}
textarea{min-height:70px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--acc);outline-offset:-1px}
input[type=radio],input[type=checkbox]{width:auto;min-height:0}
.radio{display:inline-flex;gap:6px;align-items:center;margin-right:16px;color:var(--fg);font-size:1rem}
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;min-height:40px;border-radius:6px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;text-decoration:none;color:var(--fg)}
button.pri,.btn.pri{background:var(--acc);border-color:var(--acc);color:var(--acc-fg)}
button.bad{color:var(--bad);border-color:var(--bad)}
button.ok{color:var(--ok);border-color:var(--ok)}
button.sm{min-height:32px;padding:4px 10px;font-size:.88rem}
button:disabled{opacity:.5;cursor:default}
.badge{display:inline-block;font-size:.75rem;padding:1px 8px;border-radius:99px;border:1px solid currentColor}
.b-ok{color:var(--ok)}.b-warn{color:var(--warn)}.b-bad{color:var(--bad)}.b-mut{color:var(--muted)}
.money{font-variant-numeric:tabular-nums;white-space:nowrap}
.pos{color:var(--bad)}.neg{color:var(--ok)}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
.balance{font-size:1.6rem;font-weight:600}
.subrow{display:grid;grid-template-columns:140px 1fr auto;gap:6px;margin-bottom:6px;align-items:start}
@media (max-width:560px){.subrow{grid-template-columns:1fr auto}.subrow>.wide{grid-column:1/-1;order:-1}}
.ac{position:relative}
.sugg{position:absolute;left:0;right:0;top:100%;z-index:10;list-style:none;margin:2px 0 0;padding:0;background:var(--card);
  border:1px solid var(--line);border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.15)}
.sugg li{padding:9px 10px;cursor:pointer;border-bottom:1px solid var(--line)}
.sugg li:last-child{border-bottom:0}
.sugg li:hover,.sugg li.sel{background:var(--bg)}
.fab{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));border-radius:99px;min-height:52px;padding:0 20px;
  box-shadow:0 4px 14px rgba(0,0,0,.25)}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 16px;
  border-radius:8px;max-width:90vw;z-index:50}
#toast.err{background:var(--bad);color:#fff}
.login{max-width:340px;margin:12vh auto}
pre.xml{white-space:pre-wrap;word-break:break-all;font-size:.75rem;max-height:340px;overflow:auto;background:var(--bg);padding:8px;border-radius:6px}
fieldset{border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;margin:0 0 12px}
legend{padding:0 6px;font-weight:600}
.hide{display:none!important}
.inv{margin-bottom:6px;flex-wrap:nowrap}
.addr-search.warn{border-color:var(--warn)}
.imp.skipped .imp-body{opacity:.45}
.imp label{margin-top:8px}
.sticky-bottom{position:sticky;bottom:calc(8px + env(safe-area-inset-bottom));z-index:4;box-shadow:0 4px 14px rgba(0,0,0,.15)}
progress{width:100%;height:10px;margin:4px 0 8px;accent-color:var(--acc)}
.seg{display:inline-flex;margin-right:6px}
.seg .btn{border-radius:0}.seg .btn:first-child{border-radius:6px 0 0 6px}.seg .btn:last-child{border-radius:0 6px 6px 0;margin-left:-1px}
.seg .btn.on{background:var(--acc);border-color:var(--acc);color:var(--acc-fg)}
.cap{text-transform:capitalize}
.month{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px}
.mhead{font-size:.75rem;color:var(--muted);text-align:center;padding:2px 0}
.mcell{background:var(--card);border:1px solid var(--line);border-radius:6px;min-height:92px;padding:3px;display:flex;flex-direction:column;gap:2px;overflow:hidden}
.mcell.other{opacity:.45}
.mcell.today{border-color:var(--acc);box-shadow:inset 0 0 0 1px var(--acc)}
.mnum{font-weight:600;text-decoration:none;color:var(--fg);padding:0 3px}
.madd{text-decoration:none;color:var(--muted);padding:0 4px}
.chip{display:block;font-size:.72rem;line-height:1.3;padding:1px 4px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none;color:var(--fg);border-left:3px solid}
.chip.c-ok{border-left-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.chip.c-warn{border-left-color:var(--warn);background:color-mix(in srgb,var(--warn) 14%,transparent)}
@media (max-width:560px){.mcell{min-height:64px}.chip .nm{display:none}.chip{padding:1px 2px}}
.mcell>.row{flex-wrap:nowrap}
@media (max-width:560px){.madd{display:none}.chip .ic{display:none}.chip.c-on{border-left-style:dashed}.mcell{padding:2px}}
.grid.filters{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin-bottom:8px}
#busy{position:fixed;inset:0;z-index:40;cursor:progress;background:transparent;transition:background .15s}
#busy .busybox{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;
  background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:var(--r);padding:12px 18px;box-shadow:0 6px 24px rgba(0,0,0,.25);
  opacity:0;transition:opacity .15s}
#busy.show{background:rgba(0,0,0,.4)}
#busy.show .busybox{opacity:1}
.spin{width:18px;height:18px;border:3px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* agenda del giorno nel modulo lezione */
:root{--pres:#2a78d6;--on:#eb6834}
@media (prefers-color-scheme:dark){:root{--pres:#3987e5;--on:#d95926}}
.dayplan{margin:4px 0 12px;border:1px solid var(--line);border-radius:var(--r);padding:8px 10px;background:var(--bg)}
.dayplan:empty{display:none}
.dp-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.dp-legend{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin-bottom:6px}
.dp-legend .radio{margin:0;color:var(--muted)}
.lg{display:inline-flex;align-items:center;gap:4px;padding:0 6px;border-radius:4px;border-left:4px solid}
.lg-pres{border-color:var(--pres);background:color-mix(in srgb,var(--pres) 14%,transparent)}
.lg-on{border-color:var(--on);background:color-mix(in srgb,var(--on) 14%,transparent)}
.dp-scroll{max-height:250px;overflow-y:auto;border-radius:6px;background:var(--card);border:1px solid var(--line);position:relative}
@media (min-width:700px){.dp-scroll{max-height:380px}}
.dp-grid{position:relative;margin:8px 0}
.dp-grid.pick{cursor:copy}
.dp-hour{position:absolute;left:0;right:0;border-top:1px solid var(--line);height:0}
.dp-hour span{position:absolute;left:4px;top:-8px;font-size:.7rem;color:var(--muted);background:var(--card);padding-right:4px;font-variant-numeric:tabular-nums}
.dp-b{position:absolute;overflow:hidden;border-radius:5px;padding:2px 6px;font-size:.78rem;line-height:1.25;border-left:5px solid;cursor:default;
  white-space:nowrap;text-overflow:ellipsis}
.dp-b b{font-weight:600}
.dp-t{font-variant-numeric:tabular-nums;color:var(--muted)}
.dp-sub{color:var(--muted)}
.dp-pres{border-color:var(--pres);background:color-mix(in srgb,var(--pres) 20%,var(--card))}
.dp-on{border-color:var(--on);background:color-mix(in srgb,var(--on) 20%,var(--card))}
.dp-todo{opacity:.8}
.dp-busy{border-color:var(--muted);color:var(--muted);
  background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--muted) 18%,var(--card)) 0 6px,var(--card) 6px 12px)}
.dp-new{border:2px dashed var(--acc);border-left-width:5px;background:color-mix(in srgb,var(--acc) 12%,var(--card));z-index:2;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.dp-new.dp-clash{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 16%,var(--card))}
.dp-warn{color:var(--bad);font-size:.85rem;margin:6px 0 0;font-weight:600}
.dp-hint{margin:4px 0 0}
textarea.short{min-height:46px}
/* report */
.ic{flex:none}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:10px}
@media (max-width:640px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;display:flex;flex-direction:column;gap:2px;min-width:0}
.tile span,.tile small{color:var(--muted);font-size:.8rem}
.tile b{font-size:1.25rem;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rsplit{gap:6px 14px}
.r-h2{margin:0 0 6px;font-size:1rem}
.legend{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-left:6px}
.sw-cur,.r-cur{background:var(--acc);fill:var(--acc)}
.sw-prev,.r-prev{background:var(--line);fill:color-mix(in srgb,var(--muted) 45%,var(--card))}
.sw-prev{background:color-mix(in srgb,var(--muted) 45%,var(--card))}
.sw-pres,.r-pres{background:var(--pres);fill:var(--pres)}
.sw-on,.r-on{background:var(--on);fill:var(--on)}
.rchart{width:100%;height:auto;display:block;margin:4px 0 6px}
.rg{stroke:var(--line);stroke-width:1}
.rt{fill:var(--muted);font-size:11px;font-family:inherit}
.rhit{fill:transparent}
.rbar:hover .rhit{fill:color-mix(in srgb,var(--fg) 6%,transparent)}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.rtab{width:100%;border-collapse:collapse;font-size:.88rem;font-variant-numeric:tabular-nums}
.rtab th,.rtab td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.rtab th{color:var(--muted);font-weight:600}
.rtab th a{color:inherit;text-decoration:none}.rtab th a.on{color:var(--fg)}
.rtab .num{text-align:right}
.rtab tr.tot td{font-weight:600;border-top:2px solid var(--line)}
details summary{cursor:pointer;color:var(--acc);margin-top:4px}
.fy{border-top:1px solid var(--line);padding:8px 0}
.fy:first-of-type{border-top:0}
.fy .kv{margin:6px 0}
/* sicurezza */
#secwarn{display:block;background:color-mix(in srgb,var(--warn) 18%,var(--card));color:var(--fg);text-align:center;padding:8px 12px;font-size:.88rem;text-decoration:none;border-bottom:1px solid var(--warn)}
#secwarn[hidden]{display:none}
.wide{width:100%}
.center{text-align:center}
.login .pri.wide{min-height:48px;font-size:1.02rem}
.sep{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.85rem;margin:14px 0}
.sep::before,.sep::after{content:"";flex:1;border-top:1px solid var(--line)}
.modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;padding:16px}
.modal-card{width:100%;max-width:420px;max-height:90vh;overflow:auto;margin:0;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.modal-card h2{margin-top:0}
.modal-card label{margin-top:10px}
.modal-card details{margin:10px 0}
h3{font-size:1rem;margin:0 0 6px}
.warnbox{border-color:var(--warn);background:color-mix(in srgb,var(--warn) 10%,var(--card))}
.codes{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin:10px 0}
.codes code,.secret{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px 8px;text-align:center;letter-spacing:.05em}
.secret{display:inline-block;margin-top:4px;user-select:all}
.totpset{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;margin:8px 0}
.qr{background:#fff;padding:6px;border-radius:8px;border:1px solid var(--line);line-height:0}
.qr svg{width:180px;height:180px}
.totpset ol{padding-left:18px;margin:0 0 8px}
/* portale e registrazione */
.check{display:flex;align-items:flex-start;gap:8px;margin:10px 0;color:var(--fg)}
.wide-card{max-width:520px}
.mfa-tabs{display:flex;flex-wrap:wrap;margin:0 0 12px}
.mfa-tabs .btn{margin:0 0 4px}
.setup{max-width:640px;margin:0 auto}
.choice{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.choice > div{flex:1 1 280px}
.choice p{margin:4px 0 0}
.mt{margin-top:18px}
ul.plain{list-style:none;padding:0;margin:4px 0}
ul.plain li{padding:3px 0}
.verify{margin-top:6px}
select.cc{width:auto;max-width:9.5em;flex:none}
.inv-form select[name=relation]{width:auto}
.eotp label{margin-top:8px}
.doc{max-width:760px;line-height:1.55}
.doc h2{margin-top:1.6em}
.doc li{margin:4px 0}
header{display:flex;align-items:stretch}
header nav{flex:1 1 auto;min-width:0;margin:0 auto}
#logoutbtn{flex:none;display:flex;align-items:center;gap:4px;color:var(--acc-fg);text-decoration:none;padding:0 14px;opacity:.85;
  border-left:1px solid color-mix(in srgb,var(--acc-fg) 25%,transparent);font-size:.92rem}
#logoutbtn::before{content:"";width:16px;height:16px;background:currentColor;
  -webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4M16 17l5-5-5-5M21 12H9"/></svg>') center/contain no-repeat;
  mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4M16 17l5-5-5-5M21 12H9"/></svg>') center/contain no-repeat}
@media (max-width:560px){#logoutbtn{font-size:0;padding:0 12px}#logoutbtn::before{width:20px;height:20px}}
header[hidden]{display:none}
.pw{position:relative;display:block}
.pw input{padding-right:44px}
.pw-eye{position:absolute;right:2px;top:50%;transform:translateY(-50%);min-height:36px;width:40px;padding:0;border:0;background:transparent;color:var(--muted)}
.pw-eye::before{content:"";width:20px;height:20px;background:currentColor;-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 12s3.5-7 10-7 10 7 10 7-3.5 7-10 7S2 12 2 12z"/><circle cx="12" cy="12" r="3"/></svg>') center/contain no-repeat;mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 12s3.5-7 10-7 10 7 10 7-3.5 7-10 7S2 12 2 12z"/><circle cx="12" cy="12" r="3"/></svg>') center/contain no-repeat}
.pw-eye.on::before{-webkit-mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 3l18 18M10.6 5.1A10.9 10.9 0 0 1 12 5c6.5 0 10 7 10 7a17 17 0 0 1-3.2 4.2M6.6 6.6C3.9 8.4 2 12 2 12s3.5 7 10 7c1.9 0 3.6-.6 5-1.5M9.9 9.9a3 3 0 0 0 4.2 4.2"/></svg>');mask-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 3l18 18M10.6 5.1A10.9 10.9 0 0 1 12 5c6.5 0 10 7 10 7a17 17 0 0 1-3.2 4.2M6.6 6.6C3.9 8.4 2 12 2 12s3.5 7 10 7c1.9 0 3.6-.6 5-1.5M9.9 9.9a3 3 0 0 0 4.2 4.2"/></svg>')}
.pw-eye:hover,.pw-eye.on{color:var(--fg)}
.row > .pw{flex:1 1 auto}
.stack{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.pl{border-left:4px solid var(--line)}
.pl.pl-on{border-left-color:var(--on)}.pl.pl-pres{border-left-color:var(--pres)}
.pl .notes{margin:6px 0 0}
.pl .row{margin-top:4px}
.kv.pay dd{display:flex;gap:8px;align-items:center;justify-content:space-between}
.kv.pay dd>span,.kv.pay dd>code{flex:1 1 auto;min-width:0;word-break:break-word}
.kv.pay dd>button{flex:none}
.filters .end{display:flex;align-items:flex-end}
.short-in{width:auto;max-width:9em;flex:none}
.rem{margin-bottom:8px}
.tgrow{margin:4px 0;gap:6px}
/* istanza demo */
#demobar{background:#fff4d6;color:#5a4300;border-bottom:1px solid #f0d58a;padding:8px 14px;font-size:.85rem;text-align:center}
@media (prefers-color-scheme:dark){#demobar{background:#3a3010;color:#f5e2a8;border-color:#5c4c18}}
.demo-who{display:flex;margin:10px 0 14px}.demo-who .btn{flex:1}
.demo-pk .pk-ico{font-size:2.6rem;line-height:1;margin:6px 0}
.demo-pk .spin{display:block;margin:10px auto}
.demo-pk.ok h2{color:var(--ok)}