:root{--bg: #0a0a14;--surface: #141420;--border: #2a2a45;--text: #f0ecf7;--muted: #9a93b8;--primary: #b03052;--accent: #ff6b4a;--green: #3ecf8e;--amber: #f5a524;--red: #ff6b6b;--radius: 16px}@media (prefers-color-scheme: light){:root{--bg: #f6f4fb;--surface: #ffffff;--border: #e3dff0;--text: #1a1726;--muted: #6b6685}}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:560px;margin:0 auto;padding:16px 16px 88px}h1{font-size:1.4rem;margin:8px 0 16px}h2{font-size:1.05rem;margin:0 0 10px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px}.muted{color:var(--muted);font-size:.86rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;border:none;border-radius:12px;padding:13px 16px;font-size:1rem;font-weight:700;color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--primary),var(--accent))}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.link-button{display:block;margin:14px auto 0;border:0;background:transparent;color:var(--muted);cursor:pointer;text-decoration:underline}.error-text{color:var(--red)}.success-text{color:var(--green)}.notice{border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin:0 0 14px;font-size:.9rem}.notice.success{border-color:color-mix(in srgb,var(--green) 55%,var(--border))}.notice.error{border-color:color-mix(in srgb,var(--red) 55%,var(--border))}.integration-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.integration-summary{margin:0 0 10px}.connection-dot{flex:0 0 auto;width:11px;height:11px;margin-top:5px;border-radius:50%;background:var(--muted)}.connection-dot.connected{background:var(--green);box-shadow:0 0 0 4px color-mix(in srgb,var(--green) 18%,transparent)}.button-stack{display:grid;gap:10px}.btn.danger{color:var(--red);border-color:color-mix(in srgb,var(--red) 55%,var(--border))}.field{margin-bottom:14px}.field label{display:block;font-size:.9rem;margin-bottom:6px}.field input,.field select{width:100%;background:color-mix(in srgb,var(--text) 4%,transparent);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:12px;font-size:16px}.field input:focus,.field select:focus{outline:none;border-color:var(--primary)}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--border);border-radius:999px;padding:8px 14px;font-size:.9rem;background:transparent;color:var(--text);cursor:pointer}.chip.on{background:var(--primary);border-color:var(--primary);color:#fff}.ring{display:grid;place-items:center;width:92px;height:92px;border-radius:50%;font-size:1.6rem;font-weight:800}.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.badge{font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;background:color-mix(in srgb,var(--surface) 92%,transparent);border-top:1px solid var(--border);padding:8px 4px calc(8px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tabbar a{color:var(--muted);text-decoration:none;font-size:.74rem;text-align:center;padding:4px 10px;border-radius:10px}.tabbar a.active{color:var(--text);font-weight:700}.tab-signout{border:0;background:transparent;color:var(--muted);font-size:.74rem;cursor:pointer}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{border:1px solid var(--border);border-radius:12px;padding:10px 12px}.stat .v{font-size:1.25rem;font-weight:800}.stat .k{color:var(--muted);font-size:.78rem}.trend-chart{display:block;width:100%;height:150px;overflow:visible;border-bottom:1px solid var(--border)}.trend-line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.trend-cursor{stroke:color-mix(in srgb,var(--text) 35%,transparent);stroke-width:1;stroke-dasharray:3 3;pointer-events:none}.trend-marker{stroke:var(--surface);stroke-width:3;pointer-events:none}.trend-marker-0{fill:var(--green)}.trend-marker-1{fill:var(--accent)}.trend-marker-2{fill:#8b7cf6}.trend-hit-target{fill:transparent;cursor:crosshair;touch-action:manipulation}.trend-hit-target:focus{outline:none;fill:color-mix(in srgb,var(--text) 5%,transparent)}.trend-0{stroke:var(--green)}.trend-1{stroke:var(--accent)}.trend-2{stroke:#8b7cf6}.trend-legend,.activity-summary{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:10px}.trend-tooltip{display:flex;flex-wrap:wrap;gap:6px 14px;min-height:24px;margin-top:10px;font-size:.82rem}.trend-tooltip span{color:var(--muted)}.trend-key:before{content:"";display:inline-block;width:9px;height:9px;margin-right:5px;border-radius:50%}.trend-key-0:before{background:var(--green)}.trend-key-1:before{background:var(--accent)}.trend-key-2:before{background:#8b7cf6}.activity-summary{padding-bottom:10px;border-bottom:1px solid var(--border)}.activity-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.activity-row:last-child{padding-bottom:0;border-bottom:0}.activity-distance{flex:0 0 auto;text-align:right}.disclaimer{font-size:.9rem;line-height:1.5}