/* 1. VARIABLE DEFINITIONS */
:root {
    --bg-color: #f7f1e3;
    --card-bg: #ffffff;
    --front-color: #ff6b6b;
    --text-color: #2c3e50;
    --cake-bottom: #706fd3;
    --cake-mid: #ff793f;
    --cake-top: #ffb142;
    --white: #ffffff;
}

/* 2. PAGE RESET & LAYOUT */
body {
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
}

/* 3. CARD CONTAINER */
.card {
    position: relative;
    width: 350px;
    height: 500px; /* Increased height for your long message */
    perspective: 1500px;
}

/* 4. FRONT COVER */
.front {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--front-color);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    transform-origin: left;
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 10px 10px 20px rgba(0,0,0,0.1);
    color: white;
    cursor: pointer;
    backface-visibility: hidden;
}

.card:hover .front {
    transform: rotateY(-160deg);
}

.hover-text {
    font-size: 1.2rem;
    font-weight: bold;
    border: 2px solid white;
    padding: 10px 20px;
    border-radius: 20px;
    animation: bounce 2s infinite;
}

/* 5. INSIDE THE CARD (THE STAGE) */
.text-container {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 10px;
    display: flex;
    flex-direction: column; /* Stacks Cake then Text */
    align-items: center;
    justify-content: flex-start; /* Starts from top */
    padding: 20px;
    box-sizing: border-box;
    z-index: 1;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.05);
}

/* 6. THE CAKE DESIGN */
.cake {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px; /* Space for the candle */
    margin-bottom: 20px;
    transform: scale(0); /* Hidden at start */
    transform-origin: bottom;
    transition: transform 0.6s 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card:hover .cake {
    transform: scale(0.9); /* Pops up on hover */
}

.layer {
    height: 35px;
    border-radius: 8px 8px 0 0;
    box-shadow: inset -10px 0 10px rgba(0,0,0,0.1);
}

.layer-bottom { width: 140px; background: var(--cake-bottom); }
.layer-middle { width: 110px; background: var(--cake-mid); }
.layer-top    { width: 80px;  background: var(--cake-top); position: relative; }

/* 7. ICING & DRIPS */
.icing {
    width: 100%;
    height: 10px;
    background: var(--white);
    position: absolute;
    top: 0;
    border-radius: 8px 8px 0 0;
}

.drip {
    width: 10px;
    background: var(--white);
    position: absolute;
    border-radius: 0 0 10px 10px;
}
.drip1 { height: 18px; left: 10px; }
.drip2 { height: 25px; left: 35px; }
.drip3 { height: 15px; right: 10px; }

/* 8. CANDLE & FLAME */
.candle {
    width: 8px;
    height: 30px;
    background: repeating-linear-gradient(45deg, #fff, #fff 5px, #ff6b6b 5px, #ff6b6b 10px);
    position: absolute;
    top: -30px;
    border-radius: 3px 3px 0 0;
}

.flame {
    width: 12px;
    height: 20px;
    background: #f1c40f;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 15px #f1c40f;
    animation: flicker 0.1s infinite alternate;
}

/* 9. MESSAGE STYLING */
#head {
    font-size: 1.1rem;
    color: var(--front-color);
    margin: 10px 0 5px 0;
    text-align: center;
}

.text-container div {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-color);
    text-align: center;
    padding: 0 10px;
}

/* 10. ANIMATIONS */
@keyframes flicker {
    from { transform: translateX(-50%) scale(1) rotate(-2deg); }
    to { transform: translateX(-50%) scale(1.1) rotate(2deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}