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heartbeat3D{0%,to{transform:rotateY(0)rotateX(0)scale(1)}25%{transform:rotateY(20deg)rotateX(15deg)scale(1.15)}50%{filter:drop-shadow(var(--glow-3d));transform:rotateY(40deg)rotateX(30deg)scale(1.35)}75%{transform:rotateY(20deg)rotateX(15deg)scale(1.15)}}.heart-3d.positive{animation:1.2s ease-in-out positiveHeartbeat}@keyframes positiveHeartbeat{0%,to{filter:drop-shadow(0 0 20px #10b981);transform:rotateY(0)rotateX(0)scale(1)}20%{filter:drop-shadow(0 0 40px #10b981);transform:rotateY(15deg)rotateX(10deg)scale(1.1)}40%{filter:drop-shadow(0 0 60px #10b981);transform:rotateY(30deg)rotateX(20deg)scale(1.25)}60%{filter:drop-shadow(0 0 50px #10b981);transform:rotateY(20deg)rotateX(15deg)scale(1.15)}80%{filter:drop-shadow(0 0 30px #10b981);transform:rotateY(10deg)rotateX(8deg)scale(1.05)}}.heart-3d.negative{animation:.8s ease-in-out negativeShake}@keyframes 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bpmShake{0%,to{transform:translate(0)}10%{transform:translate(-3px)}20%{transform:translate(3px)}30%{transform:translate(-2px)}40%{transform:translate(2px)}50%{transform:translate(-1px)}60%{transform:translate(1px)}}.status-positive{animation:1s ease-in-out statusSuccess}.status-negative{animation:.8s ease-in-out statusError}@keyframes statusSuccess{0%,to{transform:scale(1)}50%{transform:scale(1.5)}}@keyframes statusError{0%,to{transform:scale(1)}25%,75%{transform:scale(1.2)}50%{transform:scale(.8)}}.screen-flash-positive{background:radial-gradient(circle,#10b9814d,#22c55e1a,#0000);animation:.8s ease-out flashPositive}.screen-flash-negative{background:radial-gradient(circle,#ef444466,#dc267f33,#0000);animation:.6s ease-out flashNegative}@keyframes flashPositive{0%{opacity:0;transform:scale(.8)}30%{opacity:1;transform:scale(1.1)}to{opacity:0;transform:scale(1.2)}}@keyframes flashNegative{0%{opacity:0;transform:scale(1)}20%{opacity:.8;transform:scale(1.05)}40%{opacity:.4;transform:scale(1.02)}60%{opacity:.7;transform:scale(1.03)}80%{opacity:.3;transform:scale(1.01)}to{opacity:0;transform:scale(1)}}.particle{background:var(--gradient-glow);pointer-events:none;border-radius:50%;animation:6s ease-in-out infinite particleFloat;position:absolute}.particle-1{width:4px;height:4px;animation-delay:0s;top:20%;left:10%}.particle-2{width:6px;height:6px;animation-delay:1s;top:40%;right:15%}.particle-3{width:3px;height:3px;animation-delay:2s;top:60%;left:20%}.particle-4{width:5px;height:5px;animation-delay:3s;top:80%;right:25%}.particle-5{width:4px;height:4px;animation-delay:4s;top:30%;left:80%}.bpm-display{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-premium);background:linear-gradient(135deg,#ffffffe6,#ffffffb3);border:1px solid #fff3}.status-perfect{background:linear-gradient(135deg,#10b981,#34d399);animation:1.5s ease-in-out 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#880d1e59}.progress-ring{transition:stroke-dashoffset .5s ease-in-out;transform:rotate(-90deg)}.text-glow{text-shadow:0 0 20px #dd2d4a80}.section-divider{background:linear-gradient(90deg,transparent,var(--amaranth-pink),transparent);height:1px;margin:4rem 0}@media (max-width:768px){.hero-gradient{background-size:200% 200%}.heart-premium{width:120px;height:120px}.particle{display:none}}.loading-shimmer{background:linear-gradient(90deg,#fff0 25%,#fff6,#fff0 75%) 0 0/200% 100%;animation:2s infinite shimmer}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property 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--tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}