/* Hardware simulator. Builds on style.css tokens: --paper --ink --muted --green --line --amber */
.sim{max-width:1440px;margin:0 auto;padding:0 3vw 70px}
.sim-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;padding:30px 0 18px}
.sim .kicker{font-size:13px;color:var(--green);font-weight:600;margin:0 0 4px}
.sim h1{font-size:clamp(38px,4.6vw,64px);margin:0 0 10px}
.sim .standfirst{max-width:70ch;line-height:1.55;margin:0;color:var(--ink)}
.sim code{font-size:.92em;background:#ece9dc;padding:1px 5px;border-radius:3px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:13px;border:1px solid var(--line);background:#fffdf7;border-radius:999px;padding:6px 12px;white-space:nowrap}
.chip.ok{border-color:#9cc3ad;background:#e7f2ea;color:#1f5039}
.chip.bad{border-color:#e0a07a;background:#fbe9dd;color:#7a3511}
.sim-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}
.board-wrap{background:#fffdf7;border:1px solid var(--line);border-radius:10px;padding:8px}
#board{width:100%;height:auto;display:block}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12px;color:var(--muted);padding:6px 8px 4px}
.legend i{display:inline-block;width:22px;height:4px;border-radius:2px;margin-right:6px;vertical-align:middle}
.l12{background:#c43c2c}.l5{background:#e08a1e}.lsda{background:#2b6cb0}.lscl{background:#b7950b}.lsig{background:#2f7d5b}
.panel{background:#fffdf7;border:1px solid var(--line);border-radius:10px;padding:6px 14px 12px;position:sticky;top:96px;max-height:calc(100vh - 110px);overflow:auto}
.panel fieldset{border:0;border-bottom:1px solid var(--line);margin:0;padding:10px 0 12px}
.panel fieldset:last-of-type{border-bottom:0}
.panel legend{font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--green);padding:0}
.panel label{display:block;font-size:14px;margin:8px 0 0;line-height:1.35}
.panel .radio small,.panel .check small{display:block;color:var(--muted);font-size:12px;margin-left:24px}
.slider output{float:right;font-variant-numeric:tabular-nums;font-weight:600}
.slider input{width:100%;margin:4px 0 0;accent-color:var(--green)}
.btnrow{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}
.btnrow button{padding:9px 8px;font-size:13px}
.btnrow .wide,.panel .wide{grid-column:1/-1;width:100%}
.panel button.wide{margin-top:10px;padding:10px}
.speeds{grid-template-columns:repeat(4,1fr)}
.panel button[aria-pressed=true],.btnrow button.active{background:var(--green);color:#fff;border-color:var(--green)}
.panel .warn{border-color:#d9a27a;background:#fbefe6}
.hint{font-size:13px;color:var(--muted);margin:10px 0 0}
.sim-lower{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:18px;margin-top:18px}
.card-lite{background:#fffdf7;border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.card-lite h2{font-family:'DM Sans',system-ui,sans-serif;font-size:17px;letter-spacing:0;margin:2px 0 10px;font-weight:700}
.card-lite h2 small{font-weight:400;color:var(--muted);font-size:12px;margin-left:6px}
.serial-card{grid-column:1/-1}
.events{list-style:none;margin:0;padding:0;max-height:270px;overflow:auto;font-size:14px;line-height:1.4}
.events li{padding:6px 0;border-bottom:1px dashed var(--line);display:grid;grid-template-columns:76px 1fr;gap:8px}
.events time{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}
.events li.alert span{color:#8a3a12;font-weight:600}
.events li.good span{color:#1f5039}
#trace{width:100%;height:auto;background:#fbfaf4;border:1px solid var(--line);border-radius:6px}
.trace-key{font-size:12px;color:var(--muted);margin:6px 0 0}
.trace-key span{display:inline-block;width:16px;height:3px;margin:0 5px 0 12px;vertical-align:middle}
.trace-key span:first-child{margin-left:0}
.k-t{background:#c4572c}.k-d{background:#275c49}.k-r{background:#2b6cb0}
#serial{margin:0;height:200px;overflow:auto;background:#14211d;color:#cfe8d9;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:10px 12px;border-radius:6px;white-space:pre-wrap;word-break:break-all}
.sim-notes{max-width:90ch;margin-top:26px}
.sim-notes h2{font-size:clamp(28px,3vw,40px);margin:0 0 10px}
.sim-notes p{line-height:1.65}
/* SVG */
#board text{font-family:'DM Sans',system-ui,sans-serif}
#board text:not([fill]){fill:#1c3832}
#board .card{fill:#fbfaf3;stroke:#c9d3c6;stroke-width:1.2}
#board .card.off{fill:#fbefe9;stroke:#d47a55;stroke-dasharray:5 4}
#board .card.fault{stroke:#d47a55;stroke-width:2}
#board .title{font-weight:700;font-size:14px}
#board .sub{font-size:11px;fill:#63726a}
#board .val{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
#board .badge{font-size:10.5px;font-weight:700;letter-spacing:.05em}
#board .wire{fill:none;stroke-width:2.6;stroke-linejoin:round;stroke-linecap:round}
#board .w12{stroke:#c43c2c}#board .w5{stroke:#e08a1e}#board .wsda{stroke:#2b6cb0}#board .wscl{stroke:#b7950b}#board .wsig{stroke:#2f7d5b}
#board .wire.live{stroke-dasharray:7 6;animation:flow .6s linear infinite}
#board .wire.dead{stroke:#c9c9c0;stroke-dasharray:3 5}
#board .wire.flash{stroke-width:4.5}
@keyframes flow{to{stroke-dashoffset:-13}}
#board .pin{font-size:10.5px}#board .pin:not([fill]){fill:#aab8b1}
#board .pinlbl{font-size:10.5px;font-weight:600}
#board .btn{cursor:pointer}
#board .btn:focus{outline:none}
#board .btn:focus-visible circle.cap{stroke:#c4943f;stroke-width:4}
#board .btn circle.cap{transition:transform .06s}
#board .btn.down circle.cap{transform:translateY(2px)}
#board .ledglow{transition:opacity .08s}
@media (prefers-reduced-motion:reduce){#board .wire.live{animation:none}}
@media (max-width:1100px){.sim-grid{grid-template-columns:1fr}.panel{position:static;max-height:none}.sim-lower{grid-template-columns:1fr}}