/* Identità: menu laterale blu inchiostro, accento giallo matita, orario al centro. */
:root{
  color-scheme:light dark;
  --bg:#eef0f5;
  --surface:#ffffff;
  --surface-2:#f6f7fa;
  --ink:#171a2b;
  --ink-soft:#5d6378;
  --line:#e1e4ec;
  --side:#171a2b;
  --side-2:#20243a;
  --side-ink:#eceef7;
  --side-soft:#9ba1bd;
  --side-line:rgba(255,255,255,.08);
  --accent:#f5b700;
  --accent-ink:#1d1600;
  --accent-text:#8a6500;
  --today:rgba(245,183,0,.11);
  --shadow:0 1px 3px rgba(23,26,43,.06),0 8px 24px rgba(23,26,43,.06);
  --cell-s:70%; --cell-l:94%; --cell-bl:80%; --cell-tl:28%;
  --disp-bg:#e9edf3; --disp-stripe:#d5dce6; --disp-ink:#1a2332; --disp-line:#4a5568;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --display:"Sora", "Inter", -apple-system, sans-serif;
  --side-w:290px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0f111a; --surface:#171a26; --surface-2:#1c2030; --ink:#e8eaf3; --ink-soft:#9aa0b8; --line:#272b3d;
    --side:#0a0c13; --side-2:#1a1e30;
    --accent-text:#f5c842; --today:rgba(245,183,0,.08);
    --shadow:0 1px 3px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
    --cell-s:35%; --cell-l:20%; --cell-bl:34%; --cell-tl:82%;
    --disp-bg:#3a4352; --disp-stripe:#4a5568; --disp-ink:#ffffff; --disp-line:#c3ccda;
  }
}
:root[data-theme="light"]{color-scheme:light;}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0f111a; --surface:#171a26; --surface-2:#1c2030; --ink:#e8eaf3; --ink-soft:#9aa0b8; --line:#272b3d;
  --side:#0a0c13; --side-2:#1a1e30;
  --accent-text:#f5c842; --today:rgba(245,183,0,.08);
  --shadow:0 1px 3px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  --cell-s:35%; --cell-l:20%; --cell-bl:34%; --cell-tl:82%;
  --disp-bg:#3a4352; --disp-stripe:#4a5568; --disp-ink:#ffffff; --disp-line:#c3ccda;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans);}
body{min-height:100vh;}
[hidden]{display:none !important;}
button,input{font-family:var(--sans);}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;}

.btn,.exp-btns button{
  font-size:.85rem;font-weight:500;padding:8px 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s;
}
.btn:hover,.exp-btns button:hover{border-color:var(--ink-soft);}
.primary,button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600;}
.primary:hover{filter:brightness(1.05);border-color:var(--accent);}
.icon-btn{font-size:.9rem;line-height:1;padding:7px 9px;border-radius:9px;border:1px solid var(--side-line);background:transparent;color:inherit;cursor:pointer;}
.logo{width:36px;height:36px;flex:none;border-radius:11px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;}
.logo svg{width:20px;height:20px;}
/* logo della scuola: rettangolare, su fondo bianco perché il blu non si legge sul tema scuro */
.logo-img{display:block;width:auto;height:auto;padding:3px 6px;background:#fff;}
.logo-img img{height:44px;width:auto;display:block;}

/* ---------------------------------------------------------------- login */
.login{
  min-height:100vh;display:grid;place-items:center;padding:24px 16px;
  background:radial-gradient(1200px 600px at 10% -10%,#2b3157 0%,transparent 60%),var(--side);color:var(--side-ink);
}
.login > *{max-width:420px;}
.login .card .logo{margin-bottom:18px;}
.login .card .logo-img{padding:12px;border-radius:14px;}
.login .card .logo-img img{height:100px;margin:0 auto;}
.login .card{width:100%;padding:36px 32px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid var(--side-line);text-align:left;}
.login h2{margin:16px 0 8px;font-size:1.9rem;line-height:1.15;}
.login p{color:var(--side-soft);font-size:.95rem;line-height:1.55;}
.login p b{color:var(--side-ink);}
.login .btn{width:100%;font-size:1rem;padding:12px 18px;margin-top:14px;border-radius:12px;}
.login select{width:100%;margin:8px 0;padding:10px;border-radius:10px;border:1px solid var(--side-line);background:var(--side-2);color:var(--side-ink);font-size:.9rem;}
.login .demo-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent);padding:4px 10px;border-radius:999px;}
.notice{color:#ff8a80;font-size:.88rem;}
.main .notice{color:#b3261e;}

/* -------------------------------------------------------- struttura app */
.shell{display:grid;grid-template-columns:var(--side-w) 1fr;min-height:100vh;}

.side{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:14px;
  padding:20px 14px 14px;background:var(--side);color:var(--side-ink);overflow:hidden;
}
/* il logo è un png trasparente pensato per il bianco: l'intestazione diventa una scheda bianca */
.side-brand{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:14px;background:#fff;color:#1b2140;}
.side-brand h1{font-size:1.08rem;margin:0;}
.side-brand .sub{font-size:.75rem;color:#5d6382;}
.side-brand .logo-img{padding:0;border-radius:0;}
.side-brand .logo-img img{height:58px;}

.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav button{
  display:flex;align-items:center;gap:11px;width:100%;padding:10px 12px;border:none;border-radius:11px;
  background:transparent;color:var(--side-soft);font-size:.92rem;font-weight:500;cursor:pointer;text-align:left;
}
.side-nav button svg{width:19px;height:19px;flex:none;}
.side-nav button:hover{background:var(--side-line);color:var(--side-ink);}
.side-nav button.active{background:var(--side-2);color:var(--side-ink);box-shadow:inset 3px 0 0 var(--accent);}
.side-nav button.active svg{color:var(--accent);}

.side-picker{display:flex;flex-direction:column;min-height:0;flex:1;border-top:1px solid var(--side-line);padding-top:14px;}
.side-picker input{
  width:100%;font-size:.9rem;padding:10px 12px;border-radius:11px;border:1px solid var(--side-line);
  background:var(--side-2);color:var(--side-ink);
}
.side-picker input::placeholder{color:var(--side-soft);}
.side-picker input:focus{outline:2px solid var(--accent);outline-offset:0;}
.side-hint{font-size:.72rem;color:var(--side-soft);margin:8px 4px 4px;min-height:1px;}
.side-hint:empty{margin:4px 0 0;}
.side-list{flex:1;overflow-y:auto;margin:0 -6px;padding:0 6px 8px;scrollbar-width:thin;scrollbar-color:var(--side-2) transparent;}
.side-list .grp{position:sticky;top:0;z-index:1;font-size:.68rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--side-soft);padding:12px 8px 5px;background:var(--side);}
.side-list .item{display:flex;align-items:center;border-radius:9px;}
.side-list .item:hover{background:var(--side-line);}
.side-list .pick{flex:1;min-width:0;text-align:left;padding:7px 10px;border:none;background:none;color:var(--side-ink);font-size:.88rem;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.side-list .cmp{flex:none;width:26px;height:26px;margin-right:4px;border-radius:7px;border:1px solid var(--side-line);background:transparent;color:var(--side-soft);cursor:pointer;font-size:.9rem;line-height:1;opacity:.55;}
.side-list .item:hover .cmp,.side-list .item.sel .cmp{opacity:1;}
.side-list .cmp:hover{border-color:var(--accent);color:var(--accent);}
.side-list .item.sel{background:var(--accent);}
.side-list .item.sel .pick{color:var(--accent-ink);font-weight:600;}
.side-list .item.sel .cmp{border-color:rgba(0,0,0,.25);color:var(--accent-ink);}
.side-list .empty{display:block;color:var(--side-soft);font-size:.85rem;padding:10px;}

.side-foot{border-top:1px solid var(--side-line);padding-top:12px;display:flex;flex-direction:column;gap:10px;}
.foot-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 4px;}
.validity{font-size:.74rem;color:var(--side-soft);}
.auth-box{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;background:var(--side-2);}
.auth-box:empty{display:none;}
.auth-box .avatar{width:34px;height:34px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:.78rem;font-weight:700;background:var(--accent);color:var(--accent-ink);}
.auth-box img.avatar{object-fit:cover;}
.auth-box .who{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25;}
.auth-box .who b{font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.auth-box .who small{font-size:.72rem;color:var(--side-soft);}
.auth-box button{font-size:.78rem;padding:6px 10px;border-radius:8px;border:1px solid var(--side-line);background:transparent;color:var(--side-ink);cursor:pointer;}
.auth-box button:hover{border-color:var(--accent);color:var(--accent);}

.scrim{display:none;}
.main{min-width:0;padding:28px 32px 40px;}
.mobile-bar{display:none;}

.selection-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px;font-size:.82rem;}
.selection-bar .lbl{font-weight:600;color:var(--ink-soft);margin-right:2px;}
.selection-bar .pill{display:inline-flex;align-items:center;gap:4px;padding:4px 6px 4px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);}
.selection-bar .pill button{border:none;background:none;color:var(--ink-soft);cursor:pointer;font-size:1rem;line-height:1;padding:0 4px;}
.selection-bar .pill button:hover{color:var(--ink);}
.selection-bar .clear{background:none;border:none;color:var(--accent-text);font-weight:600;cursor:pointer;text-decoration:underline;font-size:.82rem;}

/* ------------------------------------------------------------- contenuto */
.view-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 18px;}
.view-head h2{font-size:2rem;margin:0;line-height:1.1;}
.view-head .meta{font-size:.82rem;color:var(--ink-soft);}
.hint{color:var(--ink-soft);font-size:.9rem;padding:30px 10px;text-align:center;}
.empty-state{max-width:420px;margin:12vh auto;text-align:center;color:var(--ink-soft);}
.empty-state .big{font-size:2.4rem;color:var(--accent);}
.empty-state h2{color:var(--ink);font-size:1.5rem;margin:8px 0;}

/* griglia settimanale */
.grid-wrap{overflow-x:auto;border-radius:18px;background:var(--surface);box-shadow:var(--shadow);padding:6px;}
table.tt{border-collapse:separate;border-spacing:4px;width:100%;min-width:760px;table-layout:fixed;}
table.tt th,table.tt td{padding:0;vertical-align:top;}
table.tt thead th{font-family:var(--display);font-size:.88rem;font-weight:600;padding:10px 6px;text-align:left;color:var(--ink);text-transform:capitalize;}
table.tt thead th.today{border-radius:10px;background:var(--accent);color:var(--accent-ink);}
table.tt th.hour{width:62px;font-size:.7rem;font-weight:500;color:var(--ink-soft);padding:8px 4px;text-align:right;}
table.tt th.hour b{display:block;font-family:var(--display);font-size:1rem;color:var(--ink);}
/* height:1px fa sì che il riquadro (height:100%) riempia tutta la cella, anche se ha meno righe */
table.tt td{height:1px;border-radius:10px;background:var(--surface-2);}
table.tt td.today{background:var(--today);}
.cell{
  height:100%;padding:8px 10px;border-radius:10px;min-height:58px;font-size:.78rem;line-height:1.35;
  background:hsl(var(--h,220) var(--cell-s) var(--cell-l));
  border:1px solid hsl(var(--h,220) var(--cell-s) var(--cell-bl));
  transition:transform .15s,box-shadow .15s;
}
.cell:hover{transform:scale(1.02);box-shadow:var(--shadow);}
.cell .cls{font-weight:700;font-size:.88rem;color:hsl(var(--h,220) 60% var(--cell-tl));}
.cell .room{color:var(--ink-soft);font-size:.72rem;}
.cell .with{margin-top:4px;font-size:.72rem;font-weight:500;}
.cell .tag{display:inline-block;font-size:.6rem;font-weight:800;letter-spacing:.05em;padding:1px 6px;border-radius:5px;background:var(--accent);color:var(--accent-ink);vertical-align:1px;margin-left:5px;}
.cell.co{border:3px dashed hsl(var(--h,220) 55% 50%);}
.cell.disp{background:repeating-linear-gradient(135deg,var(--disp-bg) 0 8px,var(--disp-stripe) 8px 16px);border:1.5px dashed var(--disp-line);color:var(--disp-ink);font-weight:600;}

/* agenda per telefono */
.agenda{display:none;}
.day-tabs{display:flex;gap:6px;overflow-x:auto;margin-bottom:14px;}
.day-tabs button{flex:1;min-width:0;font-size:.85rem;font-weight:600;padding:9px 6px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer;text-transform:capitalize;}
.day-tabs button.active{background:var(--side);border-color:var(--side);color:var(--side-ink);}
.agenda-row{display:flex;gap:10px;align-items:stretch;margin-bottom:8px;}
.agenda-row .when{width:52px;flex:none;font-size:.72rem;color:var(--ink-soft);text-align:right;padding-top:6px;}
.agenda-row .when b{display:block;font-family:var(--display);font-size:1.1rem;color:var(--ink);}
.agenda-row .cell{flex:1;margin:0;min-height:48px;}
.agenda-row .free{flex:1;border-bottom:1px dashed var(--line);}

/* confronto (staff) */
.compare h3{font-size:1.05rem;margin:22px 0 10px;text-transform:capitalize;}
table.tt.cmp{min-width:0;}

.actions{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0;}
.legend{display:flex;flex-wrap:wrap;gap:16px;font-size:.76rem;color:var(--ink-soft);margin:14px 4px;}
.legend .sw{display:inline-block;width:16px;height:14px;border-radius:4px;vertical-align:-3px;margin-right:5px;background:hsl(220 var(--cell-s) var(--cell-l));border:1px solid hsl(220 var(--cell-s) var(--cell-bl));}
.legend .sw.co{border:2.5px dashed hsl(220 55% 50%);}
.legend .sw.disp{background:repeating-linear-gradient(135deg,var(--disp-bg) 0 3px,var(--disp-stripe) 3px 6px);border:1.5px dashed var(--disp-line);}

dialog{border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--ink);max-width:420px;width:calc(100% - 32px);box-shadow:var(--shadow);}
dialog::backdrop{background:rgba(10,12,19,.55);backdrop-filter:blur(2px);}
dialog h2{margin:0 0 6px;font-size:1.25rem;}
.exp-dates{display:flex;gap:10px;margin:12px 0;flex-wrap:wrap;}
.exp-dates label{font-size:.85rem;display:flex;flex-direction:column;gap:4px;flex:1;}
.exp-dates input{padding:7px;border-radius:9px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);}
.check{font-size:.85rem;display:flex;gap:6px;align-items:center;}
.exp-btns{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;}
.muted{color:var(--ink-soft);font-size:.85rem;}
.small{font-size:.75rem;}

footer{margin-top:48px;text-align:center;font-size:.75rem;color:var(--ink-soft);}
footer .credits{margin-top:6px;}

/* ------------------------------------------------------- telefono/tablet */
@media (max-width: 900px){
  .shell{grid-template-columns:1fr;}
  .side{position:fixed;left:0;top:0;bottom:0;z-index:40;width:min(86vw,var(--side-w));transform:translateX(-102%);transition:transform .22s ease;}
  .drawer-open .side{transform:none;box-shadow:0 0 40px rgba(0,0,0,.4);}
  .scrim{position:fixed;inset:0;z-index:30;background:rgba(10,12,19,.5);}
  .drawer-open .scrim{display:block;}
  .main{padding:0 16px 32px;}
  .mobile-bar{display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:20;margin:0 -16px 18px;padding:10px 16px;background:var(--side);color:var(--side-ink);}
  .mobile-bar .logo{width:30px;height:30px;border-radius:9px;}
  .mobile-bar .logo svg{width:17px;height:17px;}
  .mobile-bar .logo-img{width:auto;height:auto;padding:2px 4px;}
  .mobile-bar .logo-img img{height:30px;}
  .mobile-bar b{font-family:var(--display);}
  .view-head h2{font-size:1.5rem;}
}
/* su telefono: giorno singolo (agenda) oppure settimana (griglia compatta, senza scorrere) */
.view-switch{display:none;}
.g-short{display:none;}
@media (max-width: 720px){
  .view-switch{display:flex;gap:4px;padding:4px;margin-bottom:14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);}
  .view-switch button{flex:1;font-size:.85rem;font-weight:600;padding:8px 6px;border-radius:9px;border:none;background:transparent;color:var(--ink-soft);cursor:pointer;}
  .view-switch button.active{background:var(--accent);color:var(--accent-ink);}
  .vista-giorno .grid-wrap.has-agenda{display:none;}
  .vista-giorno .agenda{display:block;}
  .vista-settimana .grid-wrap{padding:3px;border-radius:12px;}
  .vista-settimana table.tt{min-width:0;border-spacing:2px;}
  .vista-settimana table.tt thead th{font-size:.72rem;padding:6px 2px;text-align:center;cursor:pointer;}
  .vista-settimana .g-full,.vista-settimana th.hour .t{display:none;}
  .vista-settimana .g-short{display:inline;}
  .vista-settimana table.tt th.hour{width:22px;padding:6px 2px;text-align:center;}
  .vista-settimana table.tt th.hour b{font-size:.85rem;}
  .vista-settimana table.tt td{border-radius:6px;cursor:pointer;}
  .vista-settimana .cell{min-height:44px;padding:4px 3px;border-radius:6px;font-size:.58rem;line-height:1.2;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;}
  .vista-settimana .cell:hover{transform:none;box-shadow:none;}
  .vista-settimana .cell .cls{font-size:.64rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
  .vista-settimana .cell .subj,.vista-settimana .cell .with,.vista-settimana .cell .tag{display:none;}
  .vista-settimana .cell .room{font-size:.56rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .vista-settimana .cell.co{border-width:2px;}
}

/* scheda Staff */
.staff-intro{max-width:560px;margin:-8px 0 18px;}
.staff-add{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;padding:16px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);max-width:720px;}
.staff-add label{display:flex;flex-direction:column;gap:4px;font-size:.82rem;font-weight:500;flex:1 1 220px;min-width:0;}
.staff-add input{padding:8px 10px;border-radius:9px;border:1px solid var(--line);background:var(--surface-2,var(--surface));color:var(--ink);font-size:.9rem;}
.staff-add input:disabled{opacity:.7;}
.staff-add .btn[disabled]{opacity:.6;cursor:wait;}
.ok-msg{color:#1b7f3b;font-size:.88rem;}
:root[data-theme="dark"] .ok-msg{color:#7ddc9a;}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .ok-msg{color:#7ddc9a;} }
.staff-list{list-style:none;padding:0;margin:18px 0 0;max-width:720px;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden;}
.staff-list li{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--line);}
.staff-list li:first-child{border-top:none;}
.staff-list .who{display:flex;flex-direction:column;min-width:0;}
.staff-list .who small{color:var(--ink-soft);overflow-wrap:anywhere;}
.staff-list .acts{display:flex;gap:8px;align-items:center;}
.btn.danger{background:#b3261e;border-color:#b3261e;color:#fff;}

/* esportazione: scelta del periodo */
.exp-periodi{border:none;margin:12px 0 4px;padding:0;display:flex;flex-direction:column;gap:6px;}
.exp-periodi legend{font-size:.85rem;font-weight:600;margin-bottom:4px;padding:0;}
.exp-periodi label{display:flex;gap:8px;align-items:baseline;font-size:.88rem;padding:8px 10px;border:1px solid var(--line);border-radius:10px;cursor:pointer;}
.exp-periodi label:has(input:checked){border-color:var(--accent);background:var(--today);}
.exp-periodi small{color:var(--ink-soft);margin-left:4px;}

/* scheda Staff: classi assegnate */
.staff-sez{margin-top:40px;}
.ass-edit{flex-direction:column;align-items:stretch;}
.ass-griglia{display:flex;flex-direction:column;gap:10px;}
.ass-grp{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.ass-anno{width:100%;font-size:.75rem;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em;}
.ass-cl{display:inline-flex;gap:5px;align-items:center;font-size:.85rem;padding:5px 9px;border:1px solid var(--line);border-radius:8px;cursor:pointer;}
.ass-cl:has(input:checked){border-color:var(--accent);background:var(--today);}
.ass-pills{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;}
.ass-pill{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);}