/* Prestiti Attrezzature – Laboratorio Multimediale IULM
   Layout: testata con spia "tally" e schede; viste a colonna singola che si aprono in griglia sugli schermi larghi */
:root{
  --bg:#eef0f3;--surface:#fff;--surface-2:#f6f7f9;--ink:#16181c;--muted:#5b616c;--line:#d9dde3;
  --accent:#d3302b;--accent-ink:#fff;--accent-soft:#fbe6e5;
  --ok:#1d7a4c;--ok-soft:#e1f2e9;--warn:#a65f00;--warn-soft:#fbefdc;--bad:#b8322a;--bad-soft:#f9e3e1;--info:#2d5a9b;--info-soft:#e2eaf6;--mute-soft:#eceef1;
  --c0:#2d5a9b;--c1:#7b4ea3;--c2:#a87300;--c3:#0e7a83;--c4:#4f6b62;--c5:#a3405e;--c6:#5d6b1f;--c7:#8a4b22;
  --display:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;--body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#111317;--surface:#1a1d22;--surface-2:#20242a;--ink:#e7e9ed;--muted:#9aa1ab;--line:#2d3239;
  --accent:#ff5b52;--accent-ink:#1a0504;--accent-soft:#3a1c1b;
  --ok:#4cc08a;--ok-soft:#173327;--warn:#e3a640;--warn-soft:#3a2c15;--bad:#ff6e62;--bad-soft:#3d1d1a;--info:#7fa7e8;--info-soft:#1c2a40;--mute-soft:#262a31;
  --c0:#7fa7e8;--c1:#b893dd;--c2:#e0b44c;--c3:#5ec8d1;--c4:#8fb3a6;--c5:#e48ba5;--c6:#b4c46a;--c7:#e0a072;color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.5 var(--body);padding-inline:16px;padding-block:env(safe-area-inset-top,0px) 90px}
.wrap{max-width:1180px;margin:0 auto}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:.01em;margin:0;text-wrap:balance}
h2{font-size:1.6rem}h3{font-size:1.2rem}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
.muted{color:var(--muted)}.mono{font-family:var(--mono);font-size:.85em}.small{font-size:.85rem}
img{max-width:100%}
/* header */
header.top{position:sticky;top:0;z-index:20;background:var(--bg);padding-block:14px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tally{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);flex:0 0 auto}
.brand h1{font-size:1.75rem;line-height:1}
.brand .sub{font-family:var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.brand .right{margin-left:auto;display:flex;gap:8px;align-items:center;font-size:.86rem;flex-wrap:wrap}
.role{font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border-radius:99px;background:var(--surface);border:1px solid var(--line)}
nav.tabs{display:flex;gap:2px;overflow-x:auto;margin-top:12px;scrollbar-width:none}
nav.tabs button{background:none;border:0;padding:10px 13px;font-family:var(--display);font-size:1.02rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap;display:flex;gap:6px;align-items:center}
nav.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.count{font-family:var(--mono);font-size:.72rem;background:var(--accent);color:var(--accent-ink);border-radius:99px;padding:0 7px;letter-spacing:0}
main{padding-top:22px;display:flex;flex-direction:column;gap:22px}
/* controls */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:7px 13px;border-radius:6px;cursor:pointer;font-weight:500;font-size:.9rem;white-space:nowrap;color:var(--ink);text-decoration:none}
.btn:hover{border-color:var(--muted)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.sm{padding:4px 9px;font-size:.82rem}.btn.danger{color:var(--bad);border-color:var(--bad)}.btn.ghost{background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
label.f{display:flex;flex-direction:column;gap:4px;font-size:.82rem;color:var(--muted);font-weight:500;min-width:0}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=time],input[type=search],input[type=number],select,textarea{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:8px 10px;width:100%;min-width:0;color:var(--ink)}
textarea{resize:vertical;min-height:70px}
.req-star{color:var(--accent)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 170px}.row>.shrink{flex:0 0 auto}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:4px 12px;font-size:.85rem;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}
.stack{display:flex;flex-direction:column;gap:12px}
.section-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}.section-head .act{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:2px 9px;border-radius:99px;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.ok{background:var(--ok-soft);color:var(--ok)}.warn{background:var(--warn-soft);color:var(--warn)}.bad{background:var(--bad-soft);color:var(--bad)}.info{background:var(--info-soft);color:var(--info)}.live{background:var(--accent-soft);color:var(--accent)}.mute{background:var(--mute-soft);color:var(--muted)}
.cat{font-family:var(--display);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
.tag{font-size:.82rem;background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:1px 8px}
.teacher{display:inline-flex;gap:6px;align-items:center;font-size:.85rem;background:var(--info-soft);color:var(--info);border-radius:5px;padding:2px 8px}
.changed{color:var(--accent);font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;text-align:left;cursor:pointer}
.stat b{font-family:var(--display);font-size:2.4rem;line-height:1;font-variant-numeric:tabular-nums}.stat span{font-size:.85rem;color:var(--muted)}.stat.alert b{color:var(--accent)}
/* catalog */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
@media (max-width:520px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.item .body{padding:10px}.media.ph{font-size:1.1rem}}
.item{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;text-align:left;cursor:pointer;padding:0;min-width:0}
.item[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.item:disabled{opacity:.72;cursor:not-allowed}
.media{aspect-ratio:4/3;width:100%;object-fit:cover;display:block;background:var(--surface-2);border-bottom:1px solid var(--line)}
.ph{display:grid;place-items:center;font-family:var(--display);font-weight:700;letter-spacing:.1em;color:var(--muted);background:var(--surface-2)}
.media.ph{font-size:1.5rem}
.item .body{padding:12px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.item .name{font-weight:600;line-height:1.3}
.foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:4px}
.check{width:20px;height:20px;border-radius:5px;border:1.5px solid var(--line);display:grid;place-items:center;font-size:13px;color:var(--accent-ink);flex:0 0 auto}
.item[aria-pressed="true"] .check{background:var(--accent);border-color:var(--accent)}
.thumb{width:56px;height:42px;border-radius:5px;object-fit:cover;display:block;border:1px solid var(--line);flex:0 0 auto}
.thumb.ph{font-size:.75rem;display:grid;place-items:center}
.cartbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--ink);color:var(--bg);padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px))}
.cartbar .in{max-width:1180px;margin:0 auto;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cartbar .btn.primary{margin-left:auto}
/* requests */
.list{display:flex;flex-direction:column;gap:10px}
.req{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 16px}
.req .hd{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.req .who{font-weight:600}
.meta{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.88rem;color:var(--muted)}.meta b{color:var(--ink);font-weight:500}
.acts{display:flex;flex-direction:column;gap:6px;align-items:stretch}
.note{font-size:.88rem;background:var(--surface-2);border-left:3px solid var(--line);padding:6px 10px;border-radius:0 5px 5px 0}
details summary{cursor:pointer;font-size:.85rem;color:var(--muted)}
@media (max-width:680px){header.top{position:static}.brand .sub{display:none}.req{grid-template-columns:1fr}.acts{flex-direction:row;flex-wrap:wrap}}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-family:var(--display);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--surface-2);font-weight:700}
tr:last-child td{border-bottom:0}
.itemlog td{font-size:.86rem}
/* desk */
.desk{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px;align-items:start}
@media (max-width:860px){.desk{grid-template-columns:1fr}}
.qr{width:170px;background:#fff;padding:6px;border-radius:6px}
.qr svg{display:block;width:100%;height:auto}
.status-dot{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.status-dot::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--muted)}
.status-dot.on::before{background:var(--ok);box-shadow:0 0 0 4px var(--ok-soft)}
.scan-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px;display:flex;flex-direction:column;gap:14px}
.person{display:flex;gap:14px;align-items:center}
.avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:1.2rem;background:var(--info-soft);color:var(--info);flex:0 0 auto}
.pick{display:flex;gap:10px;align-items:center;padding:9px 12px;border:1px solid var(--line);border-radius:6px;font-size:.92rem;background:var(--surface)}
.pick input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);flex:0 0 auto}
.pick .st{margin-left:auto;font-size:.8rem;text-align:right}
.banner{border-radius:8px;padding:12px 16px;background:var(--warn-soft);border:1px solid var(--warn);font-size:.92rem;color:var(--ink)}
.banner.bad{background:var(--bad-soft);border-color:var(--bad)}.banner.ok{background:var(--ok-soft);border-color:var(--ok)}.banner.info{background:var(--info-soft);border-color:var(--info)}
.empty{border:1.5px dashed var(--line);border-radius:8px;padding:28px;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:10px;align-items:center}
.empty h3{color:var(--ink)}
/* login */
.login{max-width:440px;margin:48px auto;display:flex;flex-direction:column;gap:16px}
.otp{display:flex;gap:8px;justify-content:space-between}
.otp input{width:100%;max-width:52px;height:56px;text-align:center;font:500 1.5rem var(--mono);border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);padding:0}
/* timeline */
.tl{border-collapse:separate;border-spacing:0;table-layout:fixed;min-width:860px}
.tl th,.tl td{padding:0;height:38px;border-bottom:1px solid var(--line)}
.tl th.day{text-align:center;font-size:.78rem;padding:6px 0;border-left:1px solid var(--line)}
.tl th.today{color:var(--accent)}.tl .we{background:var(--surface-2)}
.tl td.free{border-left:1px solid var(--line)}
.tl .iname{position:sticky;left:0;background:var(--surface);padding:0 12px;width:210px;font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-right:1px solid var(--line);z-index:1}
.tl .grp td{background:var(--surface-2);height:28px;padding:0 12px}
.bar{margin:5px 2px;border-radius:5px;padding:0 8px;font-size:.76rem;font-weight:600;line-height:28px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar.prenotato{background:var(--info-soft);color:var(--info);border:1px solid var(--info)}
.bar.fuori{background:var(--accent);color:var(--accent-ink)}
.bar.ritardo{background:var(--bad);color:#fff}
.bar.attesa{border:1px dashed var(--warn);color:var(--warn)}
.bar.blocco{background:var(--mute-soft);color:var(--muted)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:22px;height:12px;border-radius:3px;vertical-align:middle;margin-right:5px}
/* modal & toast */
.overlay{position:fixed;inset:0;z-index:50;background:rgba(10,12,16,.55);display:flex;align-items:flex-start;justify-content:center;padding:32px 16px;overflow-y:auto}
.modal{background:var(--surface);border-radius:12px;width:100%;max-width:700px;padding:22px;display:flex;flex-direction:column;gap:14px;border:1px solid var(--line)}
.mh{display:flex;align-items:center;gap:10px}.mh .x{margin-left:auto}
.mf{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:14px}
.fieldset{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:12px}
.fieldset>.lbl{font-family:var(--display);font-size:.9rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.picklist{max-height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:60;background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:8px;font-size:.9rem;max-width:calc(100% - 32px)}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px;align-items:start}
.photo-edit{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.photo-edit .big{width:180px;max-width:100%;aspect-ratio:4/3;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.filebtn{position:relative;overflow:hidden}.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}
/* phone reader */
.phone{max-width:420px;margin:24px auto;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px 18px;display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
#ph-body{width:100%;display:flex;flex-direction:column;align-items:center;gap:16px}
#ph-body form,#ph-body .banner{width:100%}
.nfc{width:190px;height:190px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-family:var(--display);font-size:1.4rem;letter-spacing:.08em;text-transform:uppercase;border:2px solid var(--accent);position:relative;cursor:pointer}
.nfc.on::after{content:"";position:absolute;inset:-14px;border-radius:50%;border:2px solid var(--accent);opacity:.35;animation:pulse 1.8s ease-out infinite}
@keyframes pulse{from{transform:scale(.9);opacity:.5}to{transform:scale(1.15);opacity:0}}
.reads{width:100%;text-align:left;display:flex;flex-direction:column;gap:6px;font-size:.88rem}
.reads div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:6px}
@media (prefers-reduced-motion:reduce){.nfc.on::after{animation:none}}