:root{color-scheme:dark;--clr-bg: #111;--clr-surface: #1c1c1c;--clr-surface-2: #2a2a2a;--clr-border: #2e2e2e;--clr-text: #eee;--clr-muted: #888;--clr-accent: #e23b3b;--clr-good: #4ade80;--clr-warn: #ffb84d;--clr-bad: #f87171;--clr-sent: #60a5fa;--radius: 12px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--topbar-h: 48px;--brand-logo-h: 28px}*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;font:16px/1.4 -apple-system,system-ui,Segoe UI,sans-serif;background:var(--clr-bg);color:var(--clr-text);min-height:100dvh}.skip-link{position:absolute;left:-9999px;top:0;z-index:1001;background:var(--clr-surface);color:var(--clr-text);padding:8px 16px;border-radius:var(--radius);text-decoration:none;font-weight:600}.skip-link:focus{left:8px;top:8px}.topbar{position:fixed;top:0;left:0;right:0;height:calc(var(--safe-top) + var(--topbar-h));padding:var(--safe-top) 16px 0;display:flex;align-items:center;justify-content:flex-end;background:var(--clr-bg);border-bottom:1px solid var(--clr-border);z-index:1000}.topbar img{display:block;height:var(--brand-logo-h);width:auto}.screen{padding:calc(var(--safe-top) + var(--topbar-h) + 20px) 20px calc(var(--safe-bottom) + 32px);max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.brand{font-size:20px;font-weight:700;color:#e53935;letter-spacing:4px}.spacer{flex:1}h1{font-size:20px;margin:0 0 4px}.subtitle{color:var(--clr-muted);font-size:13px;margin:0 0 24px}.btn{width:100%;padding:18px 16px;font-size:18px;font-weight:700;border:none;border-radius:var(--radius);margin:8px 0;cursor:pointer;color:#fff;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,opacity .15s}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--clr-accent)}.btn-secondary{background:var(--clr-surface-2);color:var(--clr-text);font-size:16px;font-weight:600}.btn-warn{background:#7c3400;color:var(--clr-warn);border:1px solid var(--clr-warn)}.btn-sent{background:#1e3a5f;color:var(--clr-sent)}.btn-small{padding:10px 14px;font-size:14px;font-weight:600;width:auto;margin:4px}.card{background:var(--clr-surface);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px}.card-label{color:var(--clr-muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.card-value{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}.card-unit{font-size:14px;color:var(--clr-muted);font-weight:400}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:10px}.status-good{background:#163524;color:var(--clr-good)}.status-degraded{background:#3a2400;color:var(--clr-warn)}.status-unreliable{background:#3a1515;color:var(--clr-bad)}.status-acquiring{background:var(--clr-surface-2);color:var(--clr-muted)}.sensor-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.sensor-grid .card{margin-bottom:0}.category-fieldset{border:none;margin:0;padding:0}.category-legend{font-weight:700;font-size:15px;margin-bottom:10px;padding:0;color:var(--clr-text)}.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.cat-pill{display:flex;align-items:center;gap:12px;padding:13px 16px;background:var(--clr-surface);border:2px solid transparent;border-radius:999px;color:var(--clr-text);cursor:pointer;text-align:left;transition:border-color .1s,background .1s}.cat-pill:focus-visible{outline:2px solid var(--clr-accent);outline-offset:2px}.cat-pill[aria-pressed=true]{background:var(--clr-accent);border-color:var(--clr-accent);color:#fff}.cat-icon{display:flex;flex:0 0 auto;line-height:0}.cat-glyph{width:26px;height:26px;display:block}.cat-label{font-size:13px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.queue-list{list-style:none;margin:0;padding:0}.queue-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--clr-border);font-size:14px}.queue-item:last-child{border-bottom:none}.queue-state{font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px}.state-queued{background:var(--clr-surface-2);color:var(--clr-muted)}.state-sending{background:#1e3055;color:#93c5fd}.state-sent{background:#163524;color:var(--clr-good)}.state-failed{background:#3a1515;color:var(--clr-bad)}.state-rejected{background:#3a1515;color:var(--clr-bad);border:1px solid var(--clr-bad)}.heading-lock{font-size:48px;font-weight:900;font-variant-numeric:tabular-nums;text-align:center;padding:12px 0;letter-spacing:-1px}.field-group{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field-label{font-size:13px;color:var(--clr-muted);font-weight:600}.field-input{padding:12px 14px;font-size:16px;border-radius:10px;border:1px solid var(--clr-border);background:var(--clr-surface);color:var(--clr-text);width:100%}.field-input:focus{outline:2px solid var(--clr-accent);outline-offset:1px}.alert{border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;font-size:14px;line-height:1.5}.alert-warn{background:#3a2400;color:var(--clr-warn);border:1px solid #7c5200}.alert-error{background:#3a1515;color:var(--clr-bad);border:1px solid #7c2020}.alert-info{background:var(--clr-surface);color:var(--clr-text);border:1px solid var(--clr-border)}.sent-toast{background:#163524;color:var(--clr-good);padding:14px 16px;border-radius:var(--radius);font-weight:700;font-size:15px;text-align:center;margin-bottom:12px}.link-back{align-self:flex-start;background:none;border:none;color:var(--clr-muted);font-size:14px;font-weight:600;padding:4px 0;margin-bottom:4px;cursor:pointer}.link-back:focus-visible{outline:2px solid var(--clr-accent);outline-offset:2px}.aim-illustration{display:block;width:100%;max-width:280px;height:auto;margin:8px auto 4px;color:var(--clr-text)}.aim-sketch{display:block;width:100%;max-width:280px;height:auto;margin:8px auto 4px}.aim-instruction{text-align:center;font-size:22px;line-height:1.3;margin:8px 0 16px}.aim-status{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 16px;margin-bottom:14px}.aim-status .status-pill{margin-bottom:0}.aim-heading{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}.aim-gps{font-size:13px;color:var(--clr-muted);font-weight:600}.manual-bearing{margin-top:8px}.manual-bearing>summary{font-size:13px;color:var(--clr-muted);cursor:pointer;padding:6px 0}.manual-bearing>summary:focus-visible{outline:2px solid var(--clr-accent);outline-offset:2px}.aim-prompt{text-align:center;font-size:17px;line-height:1.4;margin:4px auto 20px;max-width:320px}.capture-wrap{display:flex;justify-content:center;margin:4px 0 18px}.capture-circle{width:168px;height:168px;border-radius:50%;border:none;background:var(--clr-accent);color:#fff;font-size:22px;font-weight:800;letter-spacing:.06em;cursor:pointer;box-shadow:0 0 0 8px #e23b3b2e;transition:transform .1s,box-shadow .2s,opacity .15s}.capture-circle:active{transform:scale(.96)}.capture-circle:disabled{background:var(--clr-surface-2);color:var(--clr-muted);box-shadow:none;cursor:not-allowed;font-size:16px}.capture-circle.measuring{background:var(--clr-accent);color:#fff;opacity:1;animation:capture-pulse 1s ease-in-out infinite}@keyframes capture-pulse{0%,to{box-shadow:0 0 0 8px #e23b3b2e}50%{box-shadow:0 0 0 22px #e23b3b0a}}.screen-flash{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;z-index:1000;pointer-events:none;animation:screen-flash .7s ease-out}@keyframes screen-flash{0%{opacity:.85}to{opacity:0}}.thanks-screen{display:flex;flex-direction:column;align-items:center;text-align:center;margin-top:8vh}.thanks-screen h1{margin:8px 0 4px}.thanks-screen .btn{max-width:320px}.thanks-badge{width:84px;height:84px;border-radius:50%;background:#163524;color:var(--clr-good);font-size:44px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.thanks-badge-error{background:#3a1a1a;color:var(--clr-bad)}:focus-visible{outline:2px solid var(--clr-accent);outline-offset:2px}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}