:root{color-scheme:dark;--ink:#e8e3d5;--muted:#9d9a8e;--paper:#111412;--panel:#191d1a;--line:#373d38;--amber:#f2a93b;--cyan:#6ed8d6;font-family:"Arial Narrow","DIN Condensed",Impact,system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 70% 10%,#273126 0,transparent 30%),#0d0f0e;color:var(--ink);min-height:100vh}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:24px 24px}button,select{font:inherit}button{cursor:pointer}main{width:min(1180px,calc(100% - 36px));margin:auto;padding:26px 0 36px}.masthead{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;letter-spacing:.13em}.brand b{display:block;font-size:20px}.brand small{display:block;color:var(--muted);font:11px system-ui;letter-spacing:.2em;margin-top:4px}.crosshair{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--amber);color:var(--amber);font-size:28px}.best{text-align:right}.best span,.live-readout small{display:block;color:var(--muted);font:12px system-ui}.best strong{font-size:28px;color:var(--amber)}.briefing{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end;padding:32px 0 24px}.eyebrow{font:700 11px system-ui;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;margin:0 0 7px}.briefing h1{font-size:clamp(38px,6vw,78px);line-height:.95;margin:0;letter-spacing:-.02em}.briefing h1 span{color:var(--amber)}.briefing p:not(.eyebrow){font:14px/1.6 system-ui;color:var(--muted);margin:14px 0 0}.controls{display:flex;gap:10px;align-items:end}.controls label{font:11px system-ui;color:var(--muted)}select,.quiet{display:block;margin-top:7px;background:#151916;color:var(--ink);border:1px solid var(--line);padding:11px 13px;border-radius:0}.quiet:hover,select:hover{border-color:var(--amber)}.field{position:relative;border:1px solid var(--line);background:#151815;box-shadow:inset 0 0 60px rgba(0,0,0,.35)}.legend{height:44px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:0 16px;font:11px system-ui;color:var(--muted);letter-spacing:.04em}.legend span:last-child{margin-left:auto}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px}.amber{background:var(--amber)}.cyan{background:var(--cyan)}canvas{display:block;width:100%;height:auto;max-height:58vh;touch-action:none}.actionbar{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-top:0;padding:14px 16px}.live-readout strong{display:block;margin-top:3px;font-size:22px;color:var(--cyan)}.submit{border:0;background:var(--cyan);color:#0b1414;padding:15px 24px;font-weight:900;letter-spacing:.05em}.submit span{margin-left:24px}.submit:hover{filter:brightness(1.1)}.result{margin-top:18px;border:1px solid var(--line);display:grid;grid-template-columns:auto 1.2fr 1fr auto;gap:22px;align-items:center;padding:20px;background:var(--panel)}.stamp{display:grid;place-items:center;width:74px;height:74px;border-radius:50%;border:2px solid var(--amber);color:var(--amber);transform:rotate(-7deg);font-size:18px}.result p{font:13px system-ui;color:var(--muted);margin:0}.result h2{margin:5px 0;font-size:30px}.error-meter>div:first-child{display:flex;justify-content:space-between;font:12px system-ui}.track{margin-top:9px;width:100%;height:7px;background:#303530}.track i{display:block;height:100%;background:var(--amber);width:0;transition:width .4s}.result button{background:transparent;color:var(--ink);border:1px solid var(--line);padding:13px 15px}.result button:hover{border-color:var(--cyan);color:var(--cyan)}footer{display:flex;gap:28px;padding:22px 2px;color:#767c76;font:11px system-ui;letter-spacing:.08em}footer em{margin-left:auto;font-style:normal}
@media(max-width:720px){main{width:min(100% - 22px,1180px);padding-top:15px}.briefing{grid-template-columns:1fr;padding-top:25px}.briefing h1{font-size:48px}.controls{justify-content:space-between}.controls label{flex:1}select{width:100%}.legend span:nth-child(2){display:none}.result{grid-template-columns:auto 1fr}.error-meter{grid-column:1/-1}.result button{grid-column:1/-1}.stamp{width:58px;height:58px}.actionbar{align-items:stretch;gap:10px}.submit{padding:12px}.submit span{display:none}footer{flex-wrap:wrap;gap:12px 20px}footer em{width:100%;margin:0}.best strong{font-size:22px}}