:root {
    --pompom-yellow: #f8d347;
    --pompom-brown: #8d6329;
    --cream-bg: #fffceb;
    --paper-bg: #fffef2;
    --text-color: #5c400c;
    --border-color: #e8dcb7;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --font-title: 'Fredoka', sans-serif;
    --font-body: 'Nunito', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--cream-bg);
    background-image: url('background.png');
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-color);
    padding: 2rem 0;
    overflow: hidden;
}

.book {
    position: relative;
    width: 90vw;
    height: 80vh;
    max-width: 1000px;
    max-height: 700px;
    transition: transform 0.5s;
}

.cover {
    position: absolute;
    width: 50%;
    height: 100%;
    background-color: var(--pompom-yellow);
    top: 0;
    left: 50%;
    transform-origin: left center;
    transition: transform 1s ease-in-out;
    cursor: pointer;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 5px 5px 20px var(--shadow-color);
}

.cover-art {
    width: 60%;
    max-width: 250px;
}

.cover-title {
    text-align: center;
    color: var(--pompom-brown);
}

.cover-title h1 {
    font-family: var(--font-title);
    font-size: 2.5rem;
    margin: 10px 0;
}

.cover-title p {
    font-style: italic;
}


.book.open .cover {
    transform: rotateY(-180deg);
}

.pages-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    z-index: 5;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border-radius: 10px;
}

.page {
    width: 50%;
    height: 100%;
    background-color: var(--paper-bg);
    padding: 2rem;
    box-sizing: border-box;
    overflow-y: auto;
    
}

.left-page {
    border-right: 2px dashed var(--border-color);
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

.right-page {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

header {
    text-align: center;
    margin-bottom: 1rem;
}

header h2 {
    font-family: var(--font-title);
    color: var(--pompom-brown);
    font-size: 2rem;
}

.logo {
    width: 80px;
    margin-bottom: 0.5rem;
}

.instructions {
    text-align: center;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: #a18a58;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #fff;
    box-sizing: border-box;
    font-family: var(--font-body);
}

textarea {
    resize: vertical;
}

button[type="submit"] {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: var(--pompom-yellow);
    border: none;
    border-radius: 8px;
    color: var(--pompom-brown);
    font-family: var(--font-title);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #f7c92f;
}

#messages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message-card {
    background-color: #fff;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 2px 2px 5px var(--shadow-color);
}
.message-card:nth-child(even) {
    background-color: #fffdf6;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.message-header .name {
    font-weight: bold;
    font-family: var(--font-title);
    color: var(--pompom-brown);
}

.message-header .date {
    font-size: 0.8rem;
    color: #a18a58;
}

.message-body {
    white-space: pre-wrap;
    word-wrap: break-word;
}

footer {
    margin-top: 2rem;
    font-family: var(--font-title);
    color: var(--pompom-brown);
}

/* Scrollbar styling for webkit browsers */
.page::-webkit-scrollbar {
    width: 8px;
}
.page::-webkit-scrollbar-track {
    background: var(--paper-bg);
    border-radius: 10px;
}
.page::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
.page::-webkit-scrollbar-thumb:hover {
    background: #d4c29a;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        justify-content: flex-start;
        padding: 1rem 0;
    }

    .book {
        position: static;
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
    }

    .cover {
        position: relative;
        width: 90%;
        left: 5%;
        margin-bottom: 1rem;
        transform-origin: top center;
        border-radius: 10px;
    }

    .book.open .cover {
        transform: rotateX(-90deg) translateY(-50%);
        opacity: 0;
    }

    .pages-container {
        position: static;
        flex-direction: column;
        width: 90%;
        margin: 0 auto;
        box-shadow: none;
    }

    .page {
        width: 100%;
        border-radius: 10px !important;
    }
    .left-page {
        margin-bottom: 1rem;
        border-right: none;
    }

    .cover-title h1 {
        font-size: 2rem;
    }
}