body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: palevioletred;
    font-family: 'Lorinda', cursive;
}

.book-container {
    text-align: center;
    margin-left: 250px;
}

.book {
    width: 600px;
    height: 750px; /* A4 ratio */
    perspective: 2000px;
    cursor: pointer;
    position: relative;
}

.sheet {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-origin: left;
    transform-style: preserve-3d;
    transition: transform 1s ease;
}

.page {
    position: absolute;
    width: 100%;
    height: 100%;
    background: pink;
    border: 1px solid palevioletred;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    backface-visibility: hidden;
    overflow: hidden;
}

.back {
    transform: rotateY(180deg);
}

.sheet.flipped {
    transform: rotateY(-180deg);
}

.cover-image,
.page-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.birthday-text {
    text-align: center;
    line-height: 1.5;
    font-size: 32px;
    font-family: 'Cursive', 'Comic Sans MS', sans-serif;
    color: #d63384; /* armas helepruun toon */
    transition: transform 1 ease;
    padding: 20px;
}
.lõputekst {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    margin: 0;
    padding: 56px 44px 42px;
    text-align: center;
    color: #d63384;
    font-family: 'Cursive', 'Comic Sans MS', sans-serif;
    background: pink;
}

.closing-title {
    margin: 0;
    font-size: 40px;
    letter-spacing: 3px;
    font-weight: 500;
}

.closing-signature {
    margin: 50px 0 0;
    padding: 12px 24px;
    border-top: 2px solid #d63384;
    border-bottom: 2px solid #d63384;
    font-size: 33px;
    letter-spacing: 2px;
}

.closing-author {
    margin: 0;
    font-size: 28px;
    letter-spacing: 1px;
}

.closing-message {
    margin: 150px 0 0;
    font-size: 27px;
    letter-spacing: 0.5px;
    max-width: 90%;
}

.closing-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: auto;
}

.closing-date {
    margin: 0;
    font-size: 28px;
    letter-spacing: 1px;
}