:root{color-scheme:dark;--bg:#101719;--panel:#1a2526;--text:#f2f1e7;--muted:#93a09b;--green:#caeaa1;--line:#34403d}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:"DM Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,select{font:inherit}
button{cursor:pointer}
.app{max-width:680px;margin:auto;padding:0 28px}
.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;font-size:13px;font-weight:700;letter-spacing:.15em}
.brand small{display:block;color:var(--muted);font-size:8px;letter-spacing:.18em;margin-top:3px}
.brand-mark{color:var(--green);font-size:30px;font-weight:400;line-height:1}
.icon-button{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--text);display:grid;place-items:center}
.icon-button svg{width:19px;height:19px}
.icon-button:disabled{opacity:.35;cursor:not-allowed}
.section-heading,.card-label,.live-pill,.card-footer,.detail>span,footer{font-size:10px;font-weight:700;letter-spacing:.14em}
.footer-dot,.live-pill span{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}
.compass-card{border:1px solid #3b4b42;background:radial-gradient(ellipse at 50% 20%,#263b30 0%,#1c2a27 56%,#1a2526 100%);border-radius:13px;padding:24px 25px 0;overflow:hidden}
.card-top,.card-footer,.section-heading{display:flex;align-items:center;justify-content:space-between}
.card-label{color:#c4d2c4;display:flex;gap:8px;align-items:center}
.small-star{font-size:16px;color:var(--green)}
.live-pill{border:1px solid #4d6251;border-radius:20px;padding:7px 9px;color:#c7d8c6;font-size:9px;letter-spacing:.09em;white-space:nowrap}
.live-pill span{margin-right:5px;background:#a5b1a7}
.live-pill.active span{background:var(--green);box-shadow:0 0 8px var(--green)}
.readout{text-align:center;padding:47px 0 31px}
.bearing{font-size:clamp(76px,18vw,112px);font-weight:500;line-height:1;letter-spacing:-.075em;font-variant-numeric:tabular-nums}
.bearing span{font-size:.43em;vertical-align:top;position:relative;top:.1em;margin-left:6px;letter-spacing:0;color:var(--green)}
.bearing-description{margin-top:13px;color:var(--green);font-size:11px;letter-spacing:.18em;font-weight:700}
.scale-decoration{height:9px;margin:0 0 22px;background:repeating-linear-gradient(90deg,#617267 0 1px,transparent 1px 5%);opacity:.6}
.card-footer{border-top:1px solid #425147;margin:0 -25px;padding:17px 25px;color:#b1c0b3;font-size:9px;letter-spacing:.1em}
.footer-dot{width:5px;height:5px;margin-right:5px}
.message{display:flex;align-items:flex-start;gap:12px;color:#bac7b8;font-size:12px;line-height:1.6;padding:20px 2px}
.message-icon{color:var(--green);font-size:19px;line-height:1}
.primary-button{background:var(--green);color:#17251a;border:0;border-radius:6px;width:100%;padding:17px 19px;font-weight:700;font-size:13px;display:flex;justify-content:space-between;align-items:center}
.primary-button:hover{background:#d9f6b6}
.primary-button:disabled{opacity:.6;cursor:wait}
.primary-button[hidden]{display:none}
.view-tabs{display:flex;gap:4px;padding:4px;margin:28px 0 0;border:1px solid var(--line);border-radius:8px;background:#182221}
.swipe-hint{text-align:center;color:#aab8ad;font-size:11px;margin:10px 0 16px}
.view-tab{flex:1;min-width:0;min-height:44px;padding:10px 8px;border:0;border-radius:5px;background:transparent;color:#aab8ad;font-size:13px;font-weight:600}
.view-tab[aria-selected="true"]{background:#354a39;color:var(--text)}
.view-tab:focus-visible,[role="tabpanel"]:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.view-panels{touch-action:pan-y pinch-zoom}
.pole-card{--aim-color:#ff9b35;border:1px solid #3b4b42;border-radius:13px;background:#1a2526;padding:24px;text-align:center}
.pole-card .card-top{text-align:left}
.pole-scale{color:#899a90;font-size:9px;letter-spacing:.1em;font-weight:700}
.pole-instruction,.pole-caveat{color:#9eaca4;font-size:12px;line-height:1.6}
.pole-instruction{max-width:330px;margin:18px auto 10px}
.pole-sight{position:relative;width:min(100%,240px);aspect-ratio:1;margin:18px auto}
.sight-ring,.sight-line,.sight-center,.sight-dot{position:absolute;left:50%;top:50%}
.sight-ring{border:1px solid #51665a;border-radius:50%;transform:translate(-50%,-50%)}
.sight-ring-outer{width:88%;height:88%}
.sight-ring-inner{width:44%;height:44%;border-style:dashed}
.sight-line{background:#51665a;transform:translate(-50%,-50%)}
.sight-line-horizontal{width:100%;height:1px}
.sight-line-vertical{width:1px;height:100%}
.north-marker{position:absolute;inset:6%;transform-origin:center;pointer-events:none}
.north-marker span{position:absolute;top:-7px;left:50%;width:4px;height:14px;border-radius:2px;background:#ff5656;transform:translateX(-50%);box-shadow:0 0 7px #ff5656}
.north-marker[hidden]{display:none}
.north-legend{color:#ff8585;font-size:10px;font-weight:700;letter-spacing:.08em;margin:0 0 12px}
.sight-center{width:12px;height:12px;border:1px solid var(--green);border-radius:50%;transform:translate(-50%,-50%);background:var(--panel)}
.sight-dot{width:16px;height:16px;border:2px solid #1a2526;border-radius:50%;background:var(--aim-color);box-shadow:0 0 0 2px var(--aim-color),0 0 16px var(--aim-color);transform:translate(-50%,-50%)}
.sight-dot[hidden]{display:none}
.pole-result{color:var(--aim-color);font-size:30px;font-weight:600;font-variant-numeric:tabular-nums}
.pole-status{color:#d5ded2;font-size:12px;line-height:1.5;min-height:2em;margin:8px 0 18px}
.pole-readings{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pole-readings div{padding:16px 8px}
.pole-readings div+div{border-left:1px solid var(--line)}
.pole-readings span{display:block;color:#899a90;font-size:9px;letter-spacing:.12em;font-weight:700}
.pole-readings strong{display:block;margin-top:7px;font-size:18px;font-weight:500;font-variant-numeric:tabular-nums}
.pole-caveat{margin:16px 0 0}
.calibration-actions{display:flex;gap:10px}
.calibration-actions button{border:1px solid #53675a;background:#263a2d;color:#eef4e8;border-radius:5px;padding:12px;font-size:12px;font-weight:600}
.calibration-actions button:first-child{flex:1}
.details,.guide{margin-top:54px}
.section-heading{color:#8f9f96;border-bottom:1px solid var(--line);padding-bottom:14px}
.section-heading span:last-child{font-size:9px;color:#697a70}
.detail-grid{display:grid;grid-template-columns:1fr 1fr}
.detail{min-height:110px;padding:22px 8px 18px 0;border-bottom:1px solid var(--line)}
.detail:nth-child(odd){border-right:1px solid var(--line)}
.detail:nth-child(even){padding-left:22px}
.detail>span{display:block;color:#899a90;font-size:9px}
.detail strong{display:block;font-size:15px;font-weight:500;margin-top:11px;overflow-wrap:anywhere}
.detail small{display:block;color:#819087;font-size:11px;margin-top:5px;line-height:1.4}
.info{font-size:12px}
.guide-row{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.guide-number{color:var(--green);font-family:Georgia,serif;font-size:14px}
.guide-row p{margin:0;color:#9eaca4;font-size:13px;line-height:1.65}
.guide-row strong{color:#e2e8de;font-weight:600}
.about{margin-top:42px;border-top:1px solid var(--line);padding-top:22px}
.about h1{font-size:15px;font-weight:600;line-height:1.5;margin:0;color:#e2e8de}
.about p{color:#9eaca4;font-size:12px;line-height:1.7;margin:12px 0}
.settings{margin-top:28px;border-bottom:1px solid var(--line);padding-bottom:18px;color:#aab8ad;font-size:12px;line-height:1.6}
.settings summary{cursor:pointer;list-style:none;color:#dfe9db;font-weight:600;display:flex;justify-content:space-between}
.settings summary::-webkit-details-marker{display:none}
.settings summary span{color:var(--green);font-size:18px}
.settings p{max-width:520px}
.settings label{display:block;color:#e3e9df;margin:16px 0 6px}
select{width:100%;border:1px solid #4a5b50;border-radius:5px;background:#1a2526;color:var(--text);padding:11px}
footer{display:flex;justify-content:space-between;gap:10px;padding:48px 0 35px;color:#74857b;font-size:9px}
.noscript{position:fixed;bottom:0;background:#f4d0a6;color:#222;padding:16px;width:100%;text-align:center}
@media(max-width:380px){.app{padding:0 20px}.topbar{height:72px}.detail:nth-child(even){padding-left:14px}.compass-card{padding-left:20px;padding-right:20px}.card-footer{margin:0 -20px;padding-left:20px;padding-right:20px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .2s,border-color .2s}}