:root{--bg-midnight:#0a0a0b;--bg-charcoal:#1c1c1e;--accent-orange:#ff5722;--text-primary:#fff;--text-secondary:#fff9;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--glass-blur:20px;--neu-outer-light:#ffffff0d;--neu-outer-dark:#00000080;--neu-inner-light:#ffffff05;--neu-inner-dark:#0000004d}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{overscroll-behavior:none;width:100%;height:100dvh;margin:0;padding:0;position:fixed;top:0;left:0;overflow:hidden!important}body{background-color:var(--bg-midnight);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;touch-action:none;font-family:-apple-system,BlinkMacSystemFont,SF Pro,Roboto,sans-serif;overflow-y:hidden}*{scrollbar-width:none!important;-ms-overflow-style:none!important}::-webkit-scrollbar{background:0 0!important;width:0!important;height:0!important;display:none!important}.app-container{touch-action:none;flex-direction:column;width:100%;max-width:500px;height:100%;margin:0 auto;padding:16px;display:flex;position:relative;overflow:hidden}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:24px}.neu-button{background:var(--bg-charcoal);box-shadow:8px 8px 16px var(--neu-outer-dark), -8px -8px 16px var(--neu-outer-light);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.neu-button:active{box-shadow:inset 6px 6px 12px var(--neu-inner-dark), inset -6px -6px 12px var(--neu-inner-light);transform:scale(.98)}.hero-metric{flex-direction:column;align-items:center;margin-bottom:16px;padding:24px;display:flex;position:relative;overflow:hidden}.status-bar{color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:12px;font-size:12px;display:flex}.apple-watch-icon{font-size:16px}.bpm-container{align-items:baseline;gap:4px;margin-bottom:16px;display:flex}.bpm-value{color:var(--accent-orange);letter-spacing:-2px;font-size:72px;font-weight:800}.bpm-unit{color:var(--text-secondary);font-size:18px;font-weight:600}.ekg-wave{opacity:.4;width:100%;height:60px}.ekg-svg{fill:none;width:100%;height:100%}.ekg-line{stroke:var(--accent-orange);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1000;stroke-dashoffset:1000px;animation:3s linear infinite draw}@keyframes draw{to{stroke-dashoffset:0}}.metric-tile{flex-direction:column;justify-content:space-between;min-height:80px;padding:16px;display:flex}.tile-header{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);align-items:center;gap:6px;font-size:11px;display:flex}.tile-body{align-items:baseline;gap:4px;margin-top:8px;display:flex}.tile-value{color:var(--text-primary);font-size:28px;font-weight:700}.tile-unit{color:var(--text-secondary);font-size:12px;font-weight:600}.metric-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px;display:grid;overflow:hidden}.controls-container{justify-content:center;align-items:center;gap:32px;padding:20px 0;display:flex}.control-btn{width:64px;height:64px;font-size:24px}.control-btn.primary{background:var(--accent-orange);width:80px;height:80px;font-size:32px;box-shadow:0 10px 20px #ff57224d,inset 0 2px 4px #fff3}.control-btn.primary:active{box-shadow:0 5px 10px #ff57224d,inset 0 4px 8px #0003}.control-btn.secondary{color:var(--text-secondary)}.app-header{justify-content:space-between;align-items:center;padding:10px 0 20px;display:flex}.brand-group{align-items:center;gap:12px;display:flex}.live-tag{color:red;letter-spacing:1px;font-size:10px;font-weight:800;animation:1s infinite blink}@keyframes blink{50%{opacity:0}}.brand{letter-spacing:2px;color:var(--text-secondary);font-size:14px;font-weight:900}.model{background:var(--accent-orange);color:#000;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:600}.dashboard{flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.app-footer{margin-top:auto}