:root {
    --background-gradient-start: #000000;
    --background-gradient-end: #201a22;
    --button-background: #ffffff;
    --text-color: #000000;
    --border-color: #555555;
    --accent-color: #3a2b3f;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-size: 16px;
}

body {
    background: linear-gradient(180deg, var(--background-gradient-start), var(--background-gradient-end));
    color: var(--text-color);
    overflow: hidden;
}

.app {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.logo {
    height: 2rem;
    border-radius: 9px;
}

.image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    height: 80vh;
    border-radius: 15px;
    border: 2px solid var(--accent-color);
    z-index: 2;
    margin-top: 5rem;
}

.other {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--background-gradient-end);
    padding: 20px;
}

.section {
    max-width: 600px;
    text-align: center;
    padding: 20px;
    margin: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.section h2 {
    color: var(--text-color);
}

.section p {
    color: #666;
}

.random-image {
    width: 100%;
    object-fit: cover;
    height: 100%;
    border-radius: 12px;
}

.toggle {
    margin-top: 10px;
    display: flex;
    align-items: center;
    color: #fff;
}

#nsfwToggle {
    margin-right: 10px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    filter: brightness(90%);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
}

.form-select {
    position: relative;
    padding: 10px;
    border-radius: 8px;
    background-color: var(--button-background);
    border: 1px solid var(--border-color);
    width: 200px;
    appearance: none;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-select::after {
    content: '\25BC';
    font-size: 14px;
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-color);
}

.form-select:hover {
    border-color: var(--border-color);
}

.form-select:focus {
    border-color: var(--border-color);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

.form-select option:checked {
    background-color: var(--accent-color);
    color: #fff;
}

.form-select option:hover {
    background-color: var(--border-color);
    color: #fff;
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .app {
        margin: 5px;
        margin-top: 3rem;
    }

    .image-wrapper {
        height: 50vh;
    }

}