/* DAY-ONE v1.0 — tokens and layout taken from the client's mockup (Generica skin). */
@font-face{font-family:"Newsreader";src:url(/static/newsreader.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(/static/instrument-sans.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/static/plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/static/plex-mono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:light;
  --paper:#F3F2EA; --surface:#FBFAF5; --ink:#1E2320; --muted:#5D655F; --line:#D9D8CC;
  --accent:#2E5A43; --accent-tx:var(--accent); --accent-ink:#FBFAF5; --accent-soft:#E0E9E1;
  --ok:#2F7A4E; --warn:#A7640F; --risk:#A23B2A; --wait:#3D5C8A;
  --ok-bg:#E3EFE6; --warn-bg:#F5EAD8; --risk-bg:#F4E1DD; --wait-bg:#E2E8F1;
  --shadow:0 10px 30px rgba(30,35,32,.10);
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#151917; --surface:#1C211E; --ink:#E7E9E1; --muted:#9BA39C; --line:#2E3531;
    --accent:#8FC2A3; --accent-ink:#131714; --accent-soft:#22302A;
    --ok:#7CC49A; --warn:#E0A95A; --risk:#E58A7A; --wait:#93AEDB;
    --ok-bg:#1F3127; --warn-bg:#342A1B; --risk-bg:#3A231F; --wait-bg:#1F2838;
    --shadow:0 10px 30px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#151917; --surface:#1C211E; --ink:#E7E9E1; --muted:#9BA39C; --line:#2E3531;
  --accent:#8FC2A3; --accent-ink:#131714; --accent-soft:#22302A;
  --ok:#7CC49A; --warn:#E0A95A; --risk:#E58A7A; --wait:#93AEDB;
  --ok-bg:#1F3127; --warn-bg:#342A1B; --risk-bg:#3A231F; --wait-bg:#1F2838;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.55}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- buttons, fields ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:transparent;border-radius:20px;padding:6px 12px;font-size:13px;white-space:nowrap}
.btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent-tx)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover:not(:disabled){color:var(--accent-ink);opacity:.9}
.btn.quiet{border-color:transparent;color:var(--muted)}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:13px;font-weight:600}
.field small{font-size:12px;color:var(--muted)}
.field input,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper);font-size:15px}
.field textarea{resize:vertical;min-height:140px;line-height:1.5}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.spin{width:14px;height:14px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:rot .8s linear infinite;flex:none}
@keyframes rot{to{transform:rotate(360deg)}}

/* ---------- shell ---------- */
.app{height:100%;display:flex;flex-direction:column;padding-inline:16px;padding-block:0 16px}
.top{display:flex;align-items:center;gap:12px 20px;padding-block:14px;flex-wrap:wrap}
.brand{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:-.01em;display:flex;align-items:baseline;gap:10px;white-space:nowrap}
.brand small{font:500 11px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.proj{display:flex;flex-direction:column;min-width:0;max-width:340px}
.proj select{appearance:none;-webkit-appearance:none;border:0;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235D655F' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 2px center;padding:0 18px 0 0;font-weight:600;font-size:15px;max-width:100%;text-overflow:ellipsis;border-radius:6px}
.proj select:hover{color:var(--accent-tx)}
.proj span{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .spacer{flex:1}
.engine{font-size:11px;letter-spacing:.06em;text-transform:uppercase;border:1px solid currentColor;border-radius:20px;padding:3px 9px;white-space:nowrap}
.engine.ok{color:var(--ok)} .engine.ko{color:var(--risk)} .engine.wait{color:var(--muted)}
.me{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent-tx);display:grid;place-items:center;font-weight:600;font-size:13px;border:0;padding:0}
.me:hover{box-shadow:0 0 0 2px var(--accent)}
.top form{margin:0}

.cols{flex:1;min-height:0;display:grid;grid-template-columns:minmax(240px,300px) minmax(0,1fr) minmax(280px,340px);gap:12px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;min-height:0;overflow:hidden}
.ph{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px 10px;border-bottom:1px solid var(--line)}
.ph h2{margin:0;font:600 18px/1.2 var(--serif)}
.ph .hint{font-size:12px;color:var(--muted);text-align:right}
@media (max-width:900px){.ph .hint{white-space:nowrap}}
.hint button{border:0;background:none;padding:0;color:var(--accent-tx);font-size:12px;text-decoration:underline;text-underline-offset:2px}
.scroll{overflow:auto;flex:1;min-height:0}

/* ---------- sources ---------- */
.src-tools{display:flex;gap:8px;padding:12px 16px 4px;flex-wrap:wrap}
.src-list{list-style:none;margin:0;padding:6px 8px 12px}
.src{display:grid;grid-template-columns:18px 1fr auto;gap:8px;align-items:start;padding:9px 8px;border-radius:10px;cursor:pointer}
.src:hover{background:var(--paper)}
.src.sel{background:var(--accent-soft)}
.src.flash{animation:flash 1.2s ease-out}
@keyframes flash{0%{box-shadow:0 0 0 2px var(--accent)}100%{box-shadow:0 0 0 2px transparent}}
.src .n{font:500 11px/20px var(--mono);color:var(--muted);text-align:center}
.src.sel .n{color:var(--accent-tx)}
.src .t{font-size:13.5px;font-weight:500;line-height:1.35;overflow-wrap:anywhere}
.src .m{font-size:12px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.src .side{display:flex;flex-direction:column;align-items:center;gap:6px}
.src input{margin:3px 0 0;accent-color:var(--accent);width:15px;height:15px}
.del{border:0;background:none;color:var(--muted);padding:2px;border-radius:6px;display:grid;place-items:center;opacity:.6}
.src:hover .del,.del:focus-visible{opacity:1}
.del:hover{color:var(--risk)}
.rel{display:inline-flex;align-items:center;gap:4px}
.rel::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.rel.hi{color:var(--ok)} .rel.mid{color:var(--warn)}
.src-detail{border-top:1px solid var(--line);padding:14px 16px;background:var(--paper);max-height:42%;overflow:auto}
.src-detail h3{margin:0 0 4px;font:600 15px/1.3 var(--serif)}
.src-detail .m{font-size:12px;color:var(--muted);margin-bottom:8px}
.src-detail blockquote{margin:0;padding-left:12px;border-left:2px solid var(--accent);font-size:13px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.src-detail .more{margin-top:10px}
.empty{padding:18px 16px;color:var(--muted);font-size:13.5px}
.empty b{display:block;color:var(--ink);font:600 16px/1.3 var(--serif);margin-bottom:4px}
.empty .btn{margin-top:10px}

/* add-source panel */
.add{margin:8px 12px 4px;border:1px solid var(--accent);border-radius:12px;padding:12px;background:var(--paper)}
.add .seg{display:flex;gap:2px;border:1px solid var(--line);border-radius:20px;padding:2px;margin-bottom:12px}
.add .seg button{flex:1;border:0;background:none;border-radius:16px;padding:4px 8px;font-size:12.5px;color:var(--muted)}
.add .seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.add .field{margin-bottom:10px}
.add .field input,.add .field textarea{background:var(--surface);font-size:14px}
.add .field textarea{min-height:110px}
.add .row{display:flex;gap:8px;justify-content:flex-end;align-items:center}
.add .note{font-size:12px;color:var(--muted);margin:8px 0 0}
.drop{display:grid;place-items:center;text-align:center;gap:4px;border:1px dashed var(--line);border-radius:10px;padding:16px 10px;font-size:13px;color:var(--muted);cursor:pointer;background:var(--surface)}
.drop:hover,.drop.over{border-color:var(--accent);color:var(--accent-tx)}
.drop b{color:var(--ink);font-weight:600;overflow-wrap:anywhere}

/* ---------- chat ---------- */
.chat{padding:18px 20px 8px;display:flex;flex-direction:column;gap:18px}
.welcome{max-width:62ch}
.welcome .date{font:400 12px/1.4 var(--mono);color:var(--muted)}
.welcome h1{font:500 32px/1.15 var(--serif);margin:4px 0 8px;text-wrap:balance;letter-spacing:-.01em}
.welcome .lead{margin:0;color:var(--muted);font-size:15px}
.welcome .lead p{margin:0 0 6px}
.sk{display:grid;gap:8px;margin-top:4px}
.sk i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--line) 0%,var(--paper) 50%,var(--line) 100%);background-size:200% 100%;animation:shim 1.4s linear infinite}
.sk i:nth-child(1){width:92%}.sk i:nth-child(2){width:78%}.sk i:nth-child(3){width:54%}
.sk small{font-size:12px;color:var(--muted)}
@keyframes shim{to{background-position:-200% 0}}
.banner{border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:13.5px;max-width:68ch}
.banner.ko{border-color:var(--risk);background:var(--risk-bg);color:var(--ink)}
.msg{max-width:68ch;overflow-wrap:anywhere}
.msg.user{align-self:flex-end;background:var(--accent-soft);border-radius:14px 14px 4px 14px;padding:10px 14px;font-size:15px;white-space:pre-wrap}
.msg.bot{align-self:flex-start}
.msg.bot .who{font-size:12px;color:var(--muted);margin-bottom:4px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.msg.bot .who b{color:var(--accent-tx);font-weight:600}
.msg.bot .who .tag{font:600 11px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.md p{margin:0 0 8px;font-size:15px;line-height:1.6}
.md ul,.md ol{margin:0 0 8px;padding-left:20px;font-size:15px;line-height:1.6}
.md li{margin-bottom:2px}
.md h3,.md h4{font:600 17px/1.3 var(--serif);margin:12px 0 4px}
.md h4{font-size:15px}
.cite{display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--accent-soft);color:var(--accent-tx);font:500 11px/1 var(--mono);border:0;vertical-align:1px;margin-left:2px}
.cite:hover,.cite[aria-expanded="true"]{background:var(--accent);color:var(--accent-ink)}
.quote{margin:4px 0 10px;border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:0 10px 10px 0;padding:8px 12px;background:var(--paper);font-size:13px;line-height:1.55}
.quote b{display:block;font:600 13.5px/1.3 var(--serif);margin-bottom:2px}
.quote p{margin:0;white-space:pre-wrap}
.fresh{font-size:12px;color:var(--muted);margin-top:6px}
.msg.err .md{color:var(--risk)}
.msg .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.typing{display:inline-flex;gap:4px;padding:6px 0;vertical-align:middle}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
.wait-note{font-size:12.5px;color:var(--muted);margin-left:8px}
@keyframes blink{0%,100%{opacity:.25}50%{opacity:1}}
.composer{border-top:1px solid var(--line);padding:10px 16px 14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}
.chip{flex:none;border:1px solid var(--line);background:var(--paper);border-radius:20px;padding:6px 12px;font-size:13px;white-space:nowrap}
.chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent-tx)}
.inrow{display:flex;gap:8px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:5px 5px 5px 16px;margin:0}
.inrow:focus-within{border-color:var(--accent)}
.inrow input{flex:1;min-width:0;border:0;background:transparent;font-size:15px;color:var(--ink);outline:none}
.inrow .count{font-size:12px;color:var(--muted);white-space:nowrap}
.send{width:36px;height:36px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none}

/* ---------- right: avatar + views ---------- */
.avatar{padding:14px;border-bottom:1px solid var(--line)}
.stage{position:relative;aspect-ratio:4/5;max-height:300px;width:100%;border-radius:12px;overflow:hidden;background:#20291F;box-shadow:var(--shadow);display:grid;place-items:center}
.stage svg{width:62%;height:auto;opacity:.9}
.state{position:absolute;top:10px;left:10px;display:flex;align-items:center;gap:6px;background:rgba(15,20,17,.62);color:#EEF0E8;font-size:12px;padding:4px 10px 4px 8px;border-radius:20px}
.state i{width:8px;height:8px;border-radius:50%;background:#9AA39B}
.live{position:absolute;top:10px;right:10px;font:500 10.5px/1 var(--mono);color:#EEF0E8;background:rgba(15,20,17,.62);padding:5px 8px;border-radius:20px}
.subs{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(15,20,17,.72);color:#F3F2EA;border-radius:10px;padding:8px 10px;font-size:13px;line-height:1.45}
.av-ctrl{display:flex;gap:8px;margin-top:10px}
.av-ctrl .btn{flex:1;justify-content:center}
.av-note{font-size:11.5px;color:var(--muted);margin:8px 0 0}
.path{padding:12px 14px 16px;display:grid;gap:8px}
.path h3{margin:4px 2px 2px;font:600 12px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.card{display:grid;grid-template-columns:1fr auto;gap:2px 10px;text-align:left;border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:11px 12px}
.card:hover:not(:disabled){border-color:var(--accent)}
.card.on{border-color:var(--accent);background:var(--accent-soft)}
.card b{font-weight:600;font-size:14px}
.card span{font-size:12.5px;color:var(--muted);grid-column:1}
.card em{font-style:normal;grid-row:1/3;grid-column:2;align-self:center;font-size:11.5px;color:var(--accent-tx);display:flex;align-items:center;gap:6px}

/* ---------- dialogs, toast ---------- */
dialog{border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);padding:22px 22px 18px;width:min(420px,calc(100vw - 32px));box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(20,24,22,.42)}
dialog h2{margin:0 0 4px;font:600 22px/1.2 var(--serif)}
dialog .sub{margin:0 0 16px;color:var(--muted);font-size:13.5px}
dialog form{margin:0}
dialog .row{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.formerr{color:var(--risk);font-size:13px;font-weight:500;margin:0 0 10px}
.toast{position:fixed;left:50%;top:16px;transform:translateX(-50%);z-index:50;background:var(--ink);color:var(--paper);border-radius:12px;padding:10px 16px;font-size:13.5px;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.toast.ko{background:var(--risk);color:#fff}

/* ---------- mobile ---------- */
.tabs{display:none}
@media (max-width:900px){
  .app{padding-block:0}
  .top{gap:8px 12px;padding-block:10px}
  .brand{font-size:20px}
  .brand small{display:none}
  .proj{order:5;flex-basis:100%;max-width:none}
  .engine{display:none}
  .cols{grid-template-columns:1fr}
  .cols>.panel{display:none}
  .cols>.panel.show{display:flex}
  .tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:8px 0 calc(8px + env(safe-area-inset-bottom,0px))}
  .tabs button{border:0;background:none;padding:8px;border-radius:10px;font-size:13px;color:var(--muted)}
  .tabs button.on{background:var(--accent-soft);color:var(--accent-tx);font-weight:600}
  .welcome h1{font-size:26px}
  .chat{padding:16px 14px 8px}
  .composer{padding:10px 12px 12px}
  .stage{max-height:240px}
  .del{opacity:1}
  #chatHint{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- login / closed pages ---------- */
.centro{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}
.scheda{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow)}
.scheda .brand{margin-bottom:14px}
.scheda h1{margin:0 0 6px;font:500 28px/1.15 var(--serif);letter-spacing:-.01em}
.scheda .sotto{margin:0 0 20px;color:var(--muted);font-size:14.5px}
.scheda .btn.primary{width:100%;justify-content:center;padding:10px 12px;font-size:14.5px;margin-top:4px}
.errore{color:var(--risk);font-weight:500;margin:0 0 10px;font-size:13.5px}