:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg0:#070a12;--bg1:#0b1020;--card:#ffffff0f;--card2:#ffffff16;--stroke:#ffffff1f;--text:#ffffffeb;--muted:#ffffff9e;--shadow:0 18px 50px #0000008c;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}html,body{height:100%;overflow:hidden}body{color:var(--text);background:radial-gradient(1200px 700px at 20% 10%, #4f46e538, transparent 60%), radial-gradient(1000px 800px at 85% 25%, #0ea5e929, transparent 55%), radial-gradient(900px 650px at 65% 95%, #22c55e1f, transparent 55%), linear-gradient(180deg, var(--bg0), var(--bg1));margin:0}#root{min-height:100%}.page{box-sizing:border-box;min-height:100vh;padding:28px;position:relative}.tile.leaderSwitch{animation:1.05s cubic-bezier(.16,1,.3,1) both leaderSwitch}.tile.lastSwitch{animation:1.05s cubic-bezier(.2,1,.2,1) both lastSwitch}@keyframes leaderSwitch{0%{box-shadow:0 24px 80px #ef444438, var(--shadow);transform:scale(1.06)}22%{box-shadow:0 30px 110px #ef444461, var(--shadow);transform:scale(1.14)rotate(-1.2deg)}42%{transform:scale(1.03)rotate(.8deg)}62%{transform:scale(1.11)rotate(-.6deg)}to{box-shadow:0 24px 80px #ef444438, var(--shadow);transform:scale(1.06)}}@keyframes lastSwitch{0%{box-shadow:0 24px 80px #3b82f633, var(--shadow);filter:saturate();transform:scale(1.06)}18%{filter:saturate(.8)brightness(.95);transform:scale(.98)rotate(1.6deg)}35%{box-shadow:0 34px 120px #94a3b838, var(--shadow);filter:saturate(.9);transform:scale(1.18)rotate(-1.4deg)}55%{transform:scale(1.02)rotate(.9deg)}75%{transform:scale(1.1)rotate(-.5deg)}to{box-shadow:0 24px 80px #3b82f633, var(--shadow);filter:saturate();transform:scale(1.06)}}.topbar{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:18px;display:flex}.kicker{letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-size:12px}.title{margin:6px 0 8px;font-size:clamp(24px,3.2vw,42px);line-height:1.1}.sub{align-items:center;gap:10px;display:flex}.pill{border:1px solid var(--stroke);background:#ffffff0d;border-radius:999px;padding:6px 10px;font-size:12px}.muted{color:var(--muted)}.summary{grid-auto-columns:minmax(160px,max-content);grid-auto-flow:column;align-items:stretch;gap:10px;display:grid}.stat{border:1px solid var(--stroke);background:var(--card);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:14px;padding:12px 14px}.statLabel{color:var(--muted);font-size:12px}.statValue{letter-spacing:.01em;margin-top:4px;font-size:16px;font-weight:700}.statUnit{color:var(--muted);margin-left:6px;font-weight:600}.grid{grid-template-columns:repeat(4,minmax(220px,1fr));gap:14px;display:grid}.errorBanner{color:#ffffffeb;background:#ef44441f;border:1px solid #ef444466;border-radius:14px;margin:10px 0 16px;padding:10px 12px}@media (max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(220px,1fr))}}@media (max-width:860px){.topbar{flex-direction:column;align-items:flex-start}.summary{grid-auto-columns:auto;grid-auto-flow:row;width:100%}.grid{grid-template-columns:repeat(2,minmax(220px,1fr))}}@media (max-width:560px){.page{padding:18px}.grid{grid-template-columns:1fr}}.tile{z-index:1;border:1px solid var(--stroke);background:linear-gradient(180deg, var(--card2), var(--card));box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:18px;padding:14px 14px 12px;position:relative;overflow:hidden}.tile:before{content:"";pointer-events:none;background:radial-gradient(450px 220px at 20% 10%,#ffffff17,#0000 55%);position:absolute;inset:-1px}.tileTop{z-index:1;justify-content:space-between;align-items:flex-start;gap:12px;display:flex;position:relative}.nameRow{flex-direction:column;gap:8px;display:flex}.name{letter-spacing:.01em;font-size:18px;font-weight:750}.badge{letter-spacing:.14em;background:#00000038;border:1px solid #ffffff29;border-radius:999px;width:fit-content;padding:6px 10px;font-size:11px;font-weight:800}.badge.max{background:#ef444424;border-color:#ef444473}.badge.min{background:#3b82f624;border-color:#3b82f673}.zone{white-space:nowrap;z-index:1;background:#ffffff0f;border:1px solid #ffffff24;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:650;position:relative}.zone-warmup{--z:#3b82f6e6}.zone-fatburn{--z:#22c55ee6}.zone-cardio{--z:#f59e0bf2}.zone-peak{--z:#ef4444f2}.zone.zone-warmup,.zone.zone-fatburn,.zone.zone-cardio,.zone.zone-peak{border-color:color-mix(in srgb, var(--z) 40%, #ffffff24);background:color-mix(in srgb, var(--z) 16%, #ffffff0f)}.bpmRow{z-index:1;align-items:baseline;gap:10px;margin-top:18px;display:flex;position:relative}.bpm{letter-spacing:-.04em;font-size:56px;font-weight:850;line-height:1}.bpmUnit{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:14px;font-weight:650}.meter{z-index:1;background:#ffffff14;border:1px solid #ffffff1a;border-radius:999px;height:10px;margin-top:12px;position:relative;overflow:hidden}.meterFill{background:#ffffff59;border-radius:999px;height:100%;box-shadow:inset 0 0 0 1px #00000026}.meterFill.zone-warmup,.meterFill.zone-fatburn,.meterFill.zone-cardio,.meterFill.zone-peak{background:linear-gradient(90deg, color-mix(in srgb, var(--z) 85%, white 0%), var(--z))}.meta{z-index:1;align-items:center;gap:10px;margin-top:12px;font-size:12px;display:flex;position:relative}.dot{background:#ffffff42;border-radius:999px;width:4px;height:4px}.tile.extreme{border-color:#ffffff38;transform:scale(1.06)}.tile.extreme.max{z-index:3;box-shadow:0 24px 80px #ef444438, var(--shadow)}.tile.extreme.min{z-index:2;box-shadow:0 24px 80px #3b82f633, var(--shadow)}@media (prefers-reduced-motion:no-preference){.tile{transition:transform .18s,box-shadow .18s,border-color .18s}.tile:hover{transform:translateY(-2px)}.tile.extreme:hover{transform:scale(1.06)translateY(-2px)}}