/* motorejet/css/style.css */
:root{
  --bg:#0f1318; --bg2:#161b22; --panel:#1b2129; --line:#2a323d; --txt:#e6e9ee; --mut:#8b95a3;
  --acc:#f0a63a; --acc2:#3aa0f0;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);font:14px/1.45 system-ui,Segoe UI,Roboto,sans-serif}
.top{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line);background:var(--bg2)}
.brand{display:flex;align-items:center;gap:10px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ffd28a,var(--acc))}
.brand .sub{color:var(--mut);font-size:12px}
.actions{display:flex;gap:8px}
.layout{display:flex;height:calc(100% - 52px)}
.stage{position:relative;flex:1;min-width:0}
#viewer{position:absolute;inset:0}
#viewer canvas{display:block}
.panel{width:340px;border-left:1px solid var(--line);background:var(--panel);overflow:auto;padding:14px 14px 30px}
.panel h2{font-size:15px;margin:2px 0 4px}
.hint{color:var(--mut);font-size:12px;margin:4px 0 10px}
#partList{list-style:none;margin:0;padding:0}
#partList li{display:grid;grid-template-columns:18px 12px 1fr auto;gap:8px;align-items:center;padding:7px 6px;border-radius:6px;cursor:pointer}
#partList li:hover,#partList li.sel{background:#232b35}
#partList .sw{width:12px;height:12px;border-radius:3px}
#partList .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#partList .qty{color:var(--mut);font-size:11px;margin-left:4px}
#partList a{color:var(--acc);text-decoration:none;font-size:12px;border:1px solid #4a3a20;padding:2px 7px;border-radius:5px}
#partList a:hover{background:#3a2c14}
#partList .buy{color:var(--mut);font-size:11px;border:1px dashed #3a4553;padding:2px 6px;border-radius:5px}
.totals{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);color:var(--mut);font-size:12px}
.howto{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.howto summary{cursor:pointer;font-weight:600}
.howto ol{padding-left:18px;margin:8px 0}
.howto li{margin:4px 0}
.btn{background:#2a3340;color:var(--txt);border:1px solid #3a4553;border-radius:7px;padding:7px 12px;cursor:pointer;font:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:#344050}
.btn.ghost{background:transparent}
.btn.small{padding:4px 9px;font-size:12px}
.btn.on{border-color:var(--acc);color:var(--acc)}
.hud{position:absolute;left:12px;bottom:12px;right:12px;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.hud .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;pointer-events:auto;background:rgba(22,27,34,.85);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:10px;padding:7px 10px;width:max-content;max-width:100%}
.slider{display:flex;align-items:center;gap:8px;color:var(--mut)}
.slider input{width:200px;accent-color:var(--acc)}
.chk{display:flex;align-items:center;gap:5px;color:var(--mut);cursor:pointer}
.chk input{accent-color:var(--acc)}
.seq .lbl{color:var(--mut);margin-right:4px}
.seq .step{color:var(--acc);font-weight:600;margin-left:6px}
.loading{position:absolute;top:14px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);padding:6px 14px;border-radius:20px;color:var(--mut)}
.info{position:absolute;top:12px;left:12px;width:300px;background:rgba(27,33,41,.95);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.info h3{margin:0 24px 6px 0;font-size:15px}
.info p{color:var(--mut);margin:0 0 8px}
.info dl{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:0 0 10px;font-size:12px}
.info dt{color:var(--mut)}
.info dd{margin:0}
.info .dl{display:flex;gap:8px}
.info .close{position:absolute;top:6px;right:8px;background:none;border:0;color:var(--mut);font-size:20px;cursor:pointer}
@media (max-width:900px){
  .panel{position:absolute;right:0;top:52px;bottom:0;z-index:5;transform:translateX(100%);transition:transform .2s}
  .panel.open{transform:none}
  .brand .sub{display:none}
  .slider input{width:120px}
}

/* sistemi, etichette, info didattica */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 14px}
.chip{background:#232b35;border:1px solid #3a4553;color:var(--mut);border-radius:14px;padding:3px 10px;font:inherit;font-size:12px;cursor:pointer}
.chip.on{border-color:var(--acc);color:var(--acc)}
#partList li.grp{display:block;cursor:default;color:var(--acc);font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:12px 6px 4px;background:none}
.labels{position:absolute;inset:0;pointer-events:none}
.lbl3d{display:none;background:rgba(15,19,24,.82);color:var(--txt);border-left:3px solid;padding:2px 7px;border-radius:4px;font-size:11px;white-space:nowrap}
.show-labels .lbl3d{display:block}
.show-labels .lbl3d.dim{display:none}
.info .sys{font-size:11px;color:var(--acc);text-transform:uppercase;letter-spacing:.06em}
.info .func{color:var(--txt)}