body {
    margin: 0;
    background: linear-gradient(to bottom, #ffdde1, #ee9ca7);
    font-family: 'Comic Sans MS', cursive, sans-serif;
    overflow: hidden;
    text-align: center;
    color: white;
}

.container {
    max-width: 500px;
    margin: auto;
    padding: 20px;
}

.glow {
    font-size: 2.5em;
    text-shadow: 0 0 10px #fff, 0 0 20px #ff4081, 0 0 30px #ff80ab;
}

.message {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.cake {
    position: relative;
    width: 200px;
    margin: 0 auto;
    animation: bounce 2s infinite ease-in-out;
}

.layer {
    width: 200px;
    height: 50px;
    border-radius: 10px;
    margin: auto;
    position: relative;
}

.layer1 { background: #ff80ab; }
.layer2 { background: #ff4081; top: -10px; }
.layer3 { background: #f50057; top: -20px; }

.candles {
    position: absolute;
    top: -40px;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.candle {
    width: 10px;
    height: 40px;
    background: #fff176;
    border-radius: 5px;
    position: relative;
}

.flame {
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, yellow, orange, red);
    border-radius: 50%;
    position: absolute;
    top: -12px;
    left: -1px;
    animation: flicker 0.2s infinite alternate;
}

button {
    background: #ff4081;
    border: none;
    padding: 10px 20px;
    margin-top: 15px;
    border-radius: 25px;
    color: white;
    cursor: pointer;
    font-size: 1em;
}

button:hover {
    background: #f50057;
}

@keyframes flicker {
    from { transform: scale(1); opacity: 1; }
    to { transform: scale(1.2); opacity: 0.8; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
}