:root{
  --bg:#F6F3EB; --surface:#FFFFFF; --surface2:#FBF9F4; --ink:#1B1A22; --muted:#686575; --line:#E4DFD3;
  --accent:#4338CA; --accent-ink:#FFFFFF; --accent-soft:#E9E8FB;
  --ok:#1D7F4F; --ok-soft:#E3F3EA; --bad:#B93A33; --bad-soft:#FBE7E5; --warn:#9A6212; --warn-soft:#FBF0DC;
  --shadow:0 1px 2px rgba(27,26,34,.05),0 4px 16px rgba(27,26,34,.05);
  --display:"Bricolage Grotesque",ui-rounded,"Segoe UI",system-ui,sans-serif;
  --body:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  color-scheme:dark;--bg:#14131A;--surface:#1D1C25;--surface2:#191820;--ink:#EDEBF3;--muted:#A3A0B0;--line:#2F2D3A;
  --accent:#8D87F7;--accent-ink:#14131A;--accent-soft:#282650;
  --ok:#5CC98E;--ok-soft:#173326;--bad:#F07A72;--bad-soft:#3A1D1C;--warn:#E5B35A;--warn-soft:#352A15;--shadow:none}}
:root[data-theme="dark"]{
  color-scheme:dark;--bg:#14131A;--surface:#1D1C25;--surface2:#191820;--ink:#EDEBF3;--muted:#A3A0B0;--line:#2F2D3A;
  --accent:#8D87F7;--accent-ink:#14131A;--accent-soft:#282650;
  --ok:#5CC98E;--ok-soft:#173326;--bad:#F07A72;--bad-soft:#3A1D1C;--warn:#E5B35A;--warn-soft:#352A15;--shadow:none}
*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5}
h1,h2,h3{font-family:var(--display);font-weight:700;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(26px,3.2vw,34px);line-height:1.1}
h2{font-size:19px}
h3{font-size:16px}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.app{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100%}
.side{position:sticky;top:0;height:100vh;height:100dvh;display:flex;flex-direction:column;gap:24px;padding:24px 16px;border-right:1px solid var(--line);background:var(--surface2)}
.brand{display:flex;align-items:center;gap:8px;padding:0 8px;font-family:var(--display);font-weight:700;font-size:22px}
.brand b{background:var(--accent);color:var(--accent-ink);border-radius:8px;padding:1px 8px;font-size:17px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{display:flex;align-items:center;gap:12px;border:0;background:none;padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:500;text-align:left}
.nav button:hover{background:var(--surface);color:var(--ink)}
.nav button[aria-current="page"]{background:var(--accent-soft);color:var(--ink)}
.nav button[aria-current="page"] svg{color:var(--accent)}
.nav svg{width:20px;height:20px;flex:none}
main{padding-block:32px 64px;padding-inline:clamp(16px,4vw,48px);min-width:0}
.wrap{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:24px}
@media (max-width:820px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{position:fixed;inset:auto 0 0 0;height:auto;flex-direction:row;padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));border-right:0;border-top:1px solid var(--line);z-index:20;gap:0}
  .brand,.side-foot{display:none}
  .nav{flex-direction:row;width:100%;justify-content:space-around}
  .nav button{flex-direction:column;gap:2px;padding:6px 4px;font-size:11px;flex:1;align-items:center}
  .nav button span.full{display:none}
  main{padding-block:20px 110px}
}
@media (min-width:821px){.nav button span.short{display:none}}

.ph{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.ph .sub{color:var(--muted);margin-top:6px}
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:6px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;min-width:0}
.card.flat{box-shadow:none;background:var(--surface2)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-side{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
@media (max-width:900px){.grid2,.grid-side{grid-template-columns:1fr}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border-radius:11px;border:1px solid transparent;background:var(--accent);color:var(--accent-ink);font-weight:500;white-space:nowrap}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--muted);filter:none}
.btn.quiet{background:none;color:var(--muted);border:0;padding:0 8px}
.btn.quiet:hover{color:var(--ink)}
.btn.danger{background:var(--bad);color:#fff}
.btn.big{min-height:52px;padding:0 22px;font-size:16px;border-radius:13px}
.btn svg{width:18px;height:18px}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
.back{display:inline-flex;align-items:center;gap:6px;border:0;background:none;color:var(--muted);padding:0;font-weight:500}
.back:hover{color:var(--ink)}
.back svg{width:16px;height:16px}

.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;padding:3px 10px 3px 8px;border-radius:99px;background:color-mix(in srgb,var(--c) 14%,var(--surface));white-space:nowrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--c);flex:none}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--accent-soft);white-space:nowrap}
.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.bad{background:var(--bad-soft);color:var(--bad)}.pill.warn{background:var(--warn-soft);color:var(--warn)}
.muted{color:var(--muted)}
.small{font-size:13px}
.num{font-variant-numeric:tabular-nums}
.note{font-size:13px;color:var(--warn);background:var(--warn-soft);border-radius:10px;padding:10px 14px}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 12px;font-size:13px;display:inline-flex;gap:6px;align-items:center}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.li:first-child{border-top:0;padding-top:0}
.li:last-child{padding-bottom:0}
button.li{border-left:0;border-right:0;border-bottom:0;background:none;text-align:left;width:100%}
button.li:hover .li-t{color:var(--accent)}
.li-t{font-weight:500}
.li-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.datebox{width:52px;flex:none;text-align:center;border-radius:12px;padding:6px 0;background:var(--surface2);border:1px solid var(--line)}
.datebox b{display:block;font-family:var(--display);font-size:21px;line-height:1.1}
.datebox span{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.time{width:92px;flex:none;color:var(--muted);font-size:13px}

/* fitxa cards */
.fcard{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;text-align:left;padding:0;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.fcard:hover{border-color:var(--muted)}
.fcard .thumb{aspect-ratio:4/3;max-width:100%;background:var(--surface2);border-bottom:1px solid var(--line);overflow:hidden}
.fcard .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.fcard .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px}
.drop{border:2px dashed var(--line);border-radius:16px;background:var(--surface2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;color:var(--muted);min-height:200px}
.drop:hover,.drop.over{border-color:var(--accent);color:var(--ink)}
.drop svg{width:34px;height:34px;color:var(--accent)}
.drop b{color:var(--ink);font-family:var(--display);font-size:17px}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{border:0;background:none;padding:10px 14px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}

.pages{display:flex;flex-direction:column;gap:10px}
.pages button{border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden;background:var(--surface2)}
.pages img{display:block;width:100%}
.idees{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}
.idees li::marker{color:var(--accent)}
.gloss{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.gloss dt{font-weight:700}
.gloss dd{margin:0;color:var(--muted)}
.lead{font-size:16.5px;line-height:1.6;max-width:65ch}

/* tutor */
.step-n{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.think{background:var(--accent-soft);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:8px}
.think b{font-family:var(--display)}
.progress{display:flex;gap:6px}
.progress i{height:5px;flex:1;border-radius:9px;background:var(--line)}
.progress i.on{background:var(--accent)}
.chat{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;padding-right:4px}
.msg{padding:10px 14px;border-radius:14px;max-width:88%;line-height:1.45}
.msg.me{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:var(--surface2);border:1px solid var(--line);border-bottom-left-radius:4px}
.chatin{display:flex;gap:8px}
.chatin input{flex:1;min-width:0}
.sugg{display:flex;gap:6px;flex-wrap:wrap}
.sugg button{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 12px;font-size:13px;text-align:left}
.sugg button:hover{border-color:var(--accent)}
table.pun{border-collapse:collapse;margin-top:4px;font-variant-numeric:tabular-nums}
table.pun th,table.pun td{border:1px solid var(--line);padding:6px 14px;text-align:center}
table.pun th{background:var(--surface2)}
.formula{font-family:var(--display);font-size:18px;background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:8px 14px;display:inline-block}

/* questions */
.q{display:flex;flex-direction:column;gap:10px;padding:18px 0;border-top:1px solid var(--line)}
.q:first-child{border-top:0;padding-top:0}
.q-t{font-weight:500;font-size:16px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
@media (max-width:560px){.opts{grid-template-columns:1fr}}
.opt{border:1px solid var(--line);background:var(--surface);border-radius:11px;padding:10px 14px;text-align:left;min-height:44px}
.opt:hover:not([disabled]){border-color:var(--accent)}
.opt.sel{border-color:var(--accent);background:var(--accent-soft)}
.opt.right{border-color:var(--ok);background:var(--ok-soft)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt[disabled]{cursor:default}
.why{font-size:14px;border-radius:10px;padding:10px 14px;background:var(--surface2);border:1px solid var(--line)}
.why b.ok{color:var(--ok)}.why b.bad{color:var(--bad)}

/* forms */
label.f{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],select,textarea{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;min-height:44px;color:var(--ink);font-size:15px}
textarea{min-height:130px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatches button{width:32px;height:32px;border-radius:50%;border:3px solid var(--surface);background:var(--c);box-shadow:0 0 0 1px var(--line)}
.swatches button[aria-pressed="true"]{box-shadow:0 0 0 2px var(--ink)}
.checks{display:flex;flex-direction:column;gap:6px;max-height:180px;overflow:auto}
.checks label{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px;color:var(--ink);font-weight:400}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:11px;padding:3px;background:var(--surface2);gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;padding:7px 12px;border-radius:8px;font-size:14px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow);font-weight:500}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumbs img{width:76px;height:76px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.photos button{padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface2);aspect-ratio:4/3;max-width:100%}
.photos img{width:100%;height:100%;object-fit:cover;display:block}

/* modal */
.scrim{position:fixed;inset:0;background:rgba(15,14,20,.45);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal{background:var(--surface);border-radius:20px;width:min(560px,100%);max-height:calc(100dvh - 32px);overflow:auto;padding:24px;display:flex;flex-direction:column;gap:16px;border:1px solid var(--line)}
.modal.wide{width:min(860px,100%)}
.modal-h{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.x{border:0;background:var(--surface2);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:none}
.x svg{width:18px;height:18px}
.steps{display:flex;flex-direction:column;gap:10px;padding:8px 0}
.steps div{display:flex;gap:10px;align-items:center;color:var(--muted)}
.steps div.done{color:var(--ink)}
.steps i{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;flex:none;font-style:normal;font-size:12px}
.steps div.done i{background:var(--ok);border-color:var(--ok);color:#fff}
.steps div.now i{border-color:var(--accent);border-top-color:transparent;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:12px;z-index:60;font-size:14px;max-width:calc(100% - 32px)}
@media (max-width:820px){.toast{bottom:92px}}

/* horari */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
table.hor{border-collapse:collapse;width:100%;min-width:680px}
table.hor th,table.hor td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:8px;vertical-align:top}
table.hor tr>*:last-child{border-right:0}
table.hor tr:last-child>*{border-bottom:0}
table.hor thead th{font-family:var(--display);font-size:15px;text-align:left;padding:12px 10px;background:var(--surface2)}
table.hor thead th.today{color:var(--accent)}
table.hor th.t{width:92px;font-weight:500;font-size:12.5px;color:var(--muted);text-align:left;white-space:nowrap}
table.hor td.today{background:color-mix(in srgb,var(--accent) 5%,var(--surface))}
.cls{border-radius:9px;padding:8px 10px;background:color-mix(in srgb,var(--c) 16%,var(--surface));font-size:13.5px;font-weight:500;display:flex;gap:6px;align-items:center;min-height:40px}
.cls.empty{background:none;color:var(--muted);font-weight:400}
tr.pati td{background:var(--surface2);text-align:center;color:var(--muted);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;padding:6px}
table.hor select{min-height:38px;padding:6px 8px;font-size:13.5px}

/* prova */
.bar{height:6px;background:var(--line);border-radius:9px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:9px;transition:width .3s}
.bigscore{font-family:var(--display);font-size:72px;line-height:1;font-weight:700}
.clock{font-family:var(--display);font-size:22px;font-variant-numeric:tabular-nums}
.clock.low{color:var(--bad)}

/* dictat */
.stage{align-items:center;text-align:center;padding:36px 20px;gap:18px}
.stage .ring{width:112px;height:112px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.stage .ring svg{width:46px;height:46px}
.stage .ring.speak{animation:pulse 1.3s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 14px color-mix(in srgb,var(--accent) 12%,transparent)}}
.wbar{width:min(320px,100%);height:8px;background:var(--line);border-radius:9px;overflow:hidden}
.wbar i{display:block;height:100%;width:0;background:var(--ok);border-radius:9px}
.ctrls{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.dtext{font-size:17px;line-height:1.9;max-width:65ch}
.dtext mark{background:var(--bad-soft);color:var(--bad);border-radius:5px;padding:1px 4px;font-weight:500}
.dtext mark.miss{text-decoration:underline wavy}
.falta{display:flex;flex-direction:column;gap:4px;padding:12px 0;border-top:1px solid var(--line)}
.falta:first-child{border-top:0;padding-top:0}
.falta .w{font-size:16px}
.falta s{color:var(--bad)}
.falta ins{text-decoration:none;color:var(--ok);font-weight:700}
.lang{font-size:11px;font-weight:700;letter-spacing:.06em;border-radius:6px;padding:2px 6px;background:var(--surface2);border:1px solid var(--line)}
.range{display:flex;align-items:center;gap:10px}
.range input{flex:1;accent-color:var(--accent)}
.toggle{display:flex;align-items:center;gap:10px;font-size:14px}
.toggle input{width:18px;height:18px;accent-color:var(--accent)}
.words{display:flex;gap:6px;flex-wrap:wrap}
.words span{border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:14px;background:var(--surface)}
.words span s{color:var(--bad);margin-right:6px}
.empty-s{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px}

/* app additions */
body{margin:0}
.side-foot{margin-top:auto;display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.side-foot .btn{text-decoration:none}
a.btn{text-decoration:none}
.mobile-only{display:none}
@media (max-width:820px){.mobile-only{display:inline-flex}}
.login{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.login-card{width:min(420px,100%);gap:16px}
.login-card h1{font-size:30px}
.fulltext{white-space:pre-wrap;font-size:15px;line-height:1.7;max-width:70ch}
details.card>summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:16px;list-style:none}
details.card>summary::-webkit-details-marker{display:none}
details.card>summary::after{content:" +";color:var(--muted)}
details.card[open]>summary::after{content:" −"}
.spin{width:18px;height:18px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:spin .8s linear infinite;display:inline-block}
.err-box{color:var(--bad);background:var(--bad-soft);border-radius:10px;padding:12px 14px;font-size:14px}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1s infinite}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:.3}}
.fcard .thumb .ph{height:100%;display:grid;place-items:center;color:var(--muted)}
.fcard .thumb .ph svg{width:36px;height:36px}
.status{font-size:12px;font-weight:700}
.icon-btn{border:0;background:none;color:var(--muted);width:36px;height:36px;border-radius:50%;display:inline-grid;place-items:center}
.icon-btn:hover{background:var(--surface2);color:var(--ink)}
.icon-btn svg{width:18px;height:18px}
.photos .ph-item{position:relative}
.photos .ph-item .icon-btn{position:absolute;top:4px;right:4px;background:var(--surface);width:30px;height:30px;box-shadow:var(--shadow)}

/* timetable hours editor */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.slot-list{display:flex;flex-direction:column;gap:8px}
.slot-row{display:grid;grid-template-columns:auto auto auto minmax(0,1fr) auto;gap:8px;align-items:center}
.slot-row input[type=time]{width:auto;min-width:110px;font-variant-numeric:tabular-nums}
.slot-row.is-brk{background:var(--surface2);border-radius:12px;padding:6px 8px;margin-inline:-8px}
.slot-kind{padding-left:4px}
@media (max-width:560px){.slot-row{grid-template-columns:auto auto auto auto}.slot-row>input[type=text],.slot-row>.slot-kind{grid-column:1/4}}