/* bauhaus experiment · digital humanities lab · stile condiviso */
:root{
  --alu:#e3e3de; --table:#d5d4cd; --ink:#141414; --paper:#fbfbf7; --grid:#e58f5c;
  --red:#c8261d; --yellow:#efb700; --blue:#1d4f9c; --grey:#8f918c;
  --sans:"Jost","Futura","Century Gothic","Avenir Next",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;background:var(--alu);color:var(--ink);font-family:var(--sans);overflow:hidden;-webkit-tap-highlight-color:transparent}
main{flex:1;position:relative;min-height:0;overflow:hidden}
main > section{position:absolute;inset:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* footer */
footer{flex:none;background:#000;color:#f0f0eb;font:400 11px/1.45 var(--sans);letter-spacing:.05em;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 20px;padding:10px 16px}
footer a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
footer a:hover,footer a:focus-visible{border-color:#fff}
footer nav{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center}
footer nav a[aria-current="page"]{color:var(--yellow);border-color:var(--yellow)}
footer small{font-size:inherit;opacity:.55}
footer :focus-visible{outline-color:var(--yellow)}

/* layout condiviso: strumenti + area */
.lay{display:flex;gap:20px;padding:16px;box-sizing:border-box}
.tools{display:flex;flex-direction:column;justify-content:center;gap:16px;flex:none}
.grp{display:flex;flex-direction:column;gap:6px}
.area{flex:1;min-width:0;min-height:0;position:relative;display:flex;align-items:center;justify-content:center}
@media (orientation:portrait){
  .lay{flex-direction:column-reverse;gap:14px}
  .tools{flex-direction:row;flex-wrap:wrap;gap:10px}
  .grp{flex-direction:row}
}
.tb{width:44px;height:44px;display:grid;place-items:center;padding:0;border:1.5px solid var(--ink);border-radius:0;background:var(--paper);color:var(--ink);cursor:pointer;font:500 12px/1 var(--sans);letter-spacing:.08em;flex:none}
.tb svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.tb:hover{background:#fff}
.tb[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.tb:disabled{opacity:.3;cursor:default}
.tb.dial{background:var(--red);border-color:var(--red);color:#fff}
.tb.dial:hover{background:#a81f17}
.sw{width:20px;height:20px;border-radius:50%;box-shadow:0 0 0 1.5px var(--paper)}
@media (max-width:380px){ .tb{width:40px;height:40px} .grp{gap:4px} }

/* tasto flottante (microfono, sensori) */
.fab{position:absolute;right:16px;bottom:16px;z-index:50;background:rgba(251,251,247,.88)}
.fab.left{right:auto;left:16px}

/* finestre di dialogo */
.call{position:absolute;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(20,20,20,.45)}
.card{width:100%;max-width:540px;max-height:100%;overflow:auto;box-sizing:border-box;background:var(--paper);border:2px solid var(--ink);padding:20px;display:flex;flex-direction:column;gap:12px}
.card h2{margin:0;font:700 15px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase}
.card pre{margin:0;padding:12px;max-height:40vh;overflow:auto;background:#fff;border:1px solid #cfcfc8;font:400 12.5px/1.6 var(--mono);white-space:pre-wrap}
.card label{font:500 11px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:#55554f}
.row{display:flex;flex-wrap:wrap;gap:8px}
.card input{flex:1;min-width:0;font:400 12px var(--mono);padding:10px;border:1.5px solid var(--ink);border-radius:0;background:#fff;color:var(--ink)}
.btn{font:500 13px/1 var(--sans);letter-spacing:.06em;padding:12px 14px;min-height:44px;box-sizing:border-box;border:1.5px solid var(--ink);border-radius:0;background:var(--paper);color:var(--ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.btn:hover{background:var(--ink);color:var(--paper)}
.status{margin:0;min-height:1.2em;font:400 12px var(--mono);color:#55554f}

/* didascalia a scomparsa (usata solo dove serve un'indicazione minima) */
.hint{position:absolute;left:0;right:0;bottom:16px;margin:auto;width:max-content;max-width:calc(100% - 120px);box-sizing:border-box;text-align:center;font:400 12px/1.4 var(--mono);background:var(--paper);border:1.5px solid var(--ink);padding:7px 12px;z-index:40;transition:opacity .6s}
.hint.off{opacity:0;pointer-events:none}

/* canvas WebGL a tutta area */
.gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}