:root{--hud-bg: rgba(12, 18, 25, .72);--hud-border: rgba(255, 255, 255, .2);--hud-text: #f0f6ff;--hud-muted: #8ca1be;--lactate-fill: #ff7a5f;--oxygen-fill: #57a6ff;--muscle-fill: #f4d56a;--pcr-fill: #8be0ff;--mech-fill: #f2b24a;--spo2-fill: #66c8ff;--resp-fill: #8ad97a;--aerobic-fill: #69d86f;--anaerobic-fill: #ff5757;--stall-warning: #ff7459}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden;font-family:Trebuchet MS,Segoe UI,sans-serif;touch-action:none}canvas{display:block}.hud{position:fixed;top:10px;left:10px;width:min(300px,calc(100vw - 20px));max-height:min(78vh,calc(100vh - 160px));padding:8px;color:var(--hud-text);background:var(--hud-bg);border:1px solid var(--hud-border);border-radius:8px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);overflow:auto;pointer-events:auto}.hud h1{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.hud-section+.hud-section{margin-top:8px;padding-top:6px;border-top:1px solid rgba(255,255,255,.14)}.section-title{margin-bottom:4px;font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:#c7d8ef}.hud-grid{display:grid;grid-template-columns:1fr auto;gap:3px 10px;font-size:12px}.hud-grid .label{color:var(--hud-muted)}.hud-details{margin-top:8px}.hud-details>summary{cursor:pointer;color:#d8e6f7;font-size:11px;margin-bottom:6px}.met-row+.met-row{margin-top:4px}.met-head{display:flex;justify-content:space-between;gap:10px;font-size:12px}.met-head .label{color:var(--hud-muted)}.met-row .power-track,.met-row .muscle-track,.met-row .lactate-track,.met-row .oxygen-track{margin-top:2px}.power-track,.muscle-track,.lactate-track,.oxygen-track{width:100%;height:8px;margin-top:4px;border-radius:999px;overflow:hidden;background:#ffffff2e}.muscle-fill{height:100%;background:linear-gradient(90deg,#c8a33d 0%,var(--muscle-fill) 100%)}.pcr-fill{height:100%;background:linear-gradient(90deg,#4ab8e2 0%,var(--pcr-fill) 100%)}.aoa-panel{margin-top:6px}.aoa-scale{position:relative;height:12px;margin-bottom:3px;font-size:10px;color:var(--hud-muted)}.aoa-scale span{position:absolute;top:0}.aoa-min{left:0}.aoa-zero{left:40%;transform:translate(-50%)}.aoa-max{right:0}.aoa-track{position:relative;width:100%;height:8px;border-radius:999px;background:linear-gradient(90deg,#5fb3ff,#56d36b 38%,#ffe25a 68%,#ff7d53);box-shadow:inset 0 0 0 1px #ffffff2e}.aoa-needle{position:absolute;top:-2px;left:40%;width:3px;height:12px;border-radius:4px;background:#7cff6d;transform:translate(-50%);box-shadow:0 0 5px #ffffff8c}.power-fill,.lactate-fill,.oxygen-fill,.spo2-fill,.resp-fill{height:100%}.anaerobic-fill{background:linear-gradient(90deg,#ff6a6a 0%,var(--anaerobic-fill) 100%)}.mech-fill{background:linear-gradient(90deg,#de9430 0%,var(--mech-fill) 100%)}.lactate-fill{background:linear-gradient(90deg,#ff4f4f 0%,var(--lactate-fill) 100%)}.oxygen-fill{background:linear-gradient(90deg,#2f7bd8 0%,var(--oxygen-fill) 100%)}.spo2-fill{background:linear-gradient(90deg,#3aa7e3 0%,var(--spo2-fill) 100%)}.resp-fill{background:linear-gradient(90deg,#56b55c 0%,var(--resp-fill) 100%)}.stall-indicator{margin-top:6px;padding:4px 6px;border-radius:6px;background:#ffffff14;font-size:11px}.stall-indicator.active{color:#fff;background:var(--stall-warning)}.controls{margin-top:6px;font-size:10px;color:var(--hud-muted);line-height:1.3}.touch-controls{position:fixed;inset:0;pointer-events:none;z-index:8;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.touch-stick{position:absolute;bottom:14px;width:min(34vw,160px);aspect-ratio:1;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:#0a141e38;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:auto;touch-action:none}.touch-stick-left{left:12px}.touch-stick-right{right:12px}.touch-knob{position:absolute;top:50%;left:50%;width:34%;aspect-ratio:1;border-radius:50%;background:#ffffff8c;border:1px solid rgba(255,255,255,.8);transform:translate(-50%,-50%)}.touch-actions{position:absolute;left:50%;bottom:16px;transform:translate(-50%);display:grid;grid-template-columns:repeat(3,minmax(54px,auto));gap:6px;pointer-events:auto;z-index:2}.touch-btn{color:#f5f9ff;background:#080e149e;border:1px solid rgba(255,255,255,.36);border-radius:12px;padding:10px 8px;font-size:12px;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.touch-btn-small{padding:8px 6px}.touch-btn-primary{background:#dc8a2db3}.touch-btn.active{background:#48aeffc7}@media(max-width:620px){.touch-actions{left:auto;right:12px;bottom:calc(min(34vw,160px) + 28px);transform:none;grid-template-columns:repeat(2,minmax(52px,auto))}}@media(pointer:fine){.touch-controls{display:none}}@media(max-width:860px){.hud{width:min(246px,calc(100vw - 16px));top:8px;left:8px;padding:7px;max-height:min(56vh,calc(100vh - 190px))}.hud h1,.hud-grid,.met-head{font-size:11px}.controls{font-size:9px}.hud-details{margin-top:6px}.hud-details[open]{max-height:30vh;overflow:auto}}.beak-overlay{position:fixed;inset:0;pointer-events:none;opacity:0;transition:opacity .12s ease}.beak-overlay.visible{opacity:1}.beak-aim-indicator{position:absolute;left:50%;top:50%;width:18px;height:18px;border:2px solid rgba(255,245,168,.95);border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 7px #ffda5a99}.beak-aim-indicator:before,.beak-aim-indicator:after{content:"";position:absolute;background:#fff5a8f2}.beak-aim-indicator:before{left:50%;top:-7px;width:2px;height:30px;transform:translate(-50%)}.beak-aim-indicator:after{top:50%;left:-7px;height:2px;width:30px;transform:translateY(-50%)}.velocity-vector-indicator{position:absolute;left:50%;top:50%;width:12px;height:12px;border:2px solid rgba(108,228,255,.95);border-radius:2px;background:#6ce4ff1f;transform:translate(-50%,-50%);box-shadow:0 0 8px #6ce4ff80}.velocity-vector-indicator.hidden{display:none}