:root {
    --primary-color: #03a842;
    --dark-overlay: rgba(0, 0, 0, 0.3);
    --hover-overlay: rgba(0, 0, 0, 0.5);
    --text-light: #ffffff;
    --text-dark: #333333;
}

.page:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    opacity: 0.4;
}

.nav-button {
    background: var(--dark-overlay);
    color: var(--text-light);
    border: none;
    border-bottom: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: 3px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-size: 1em;
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
}

.nav-button:hover {
    background: var(--hover-overlay);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.right-button {
    background: transparent;
    color: var(--text-light);
    border: none;
    border-bottom: 2px solid var(--primary-color);
    border-left: 2px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: 3px;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
    font-size: 1em;
    transition: all 0.3s ease;
    min-width: 140px;
}

.right-button:hover {
    border-color: var(--text-light);
    background: var(--dark-overlay);
}

.reading-box img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin: 10px 0;
}

.copyright a {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.3s ease;
}

.copyright a:hover {
    color: var(--text-light);
}

.language-toggle img {
    width: 25px;
    height: 15px;
    border-radius: 3px;
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
}

.language-toggle img:hover {
    transform: scale(1.1);
    box-shadow: 0 0 8px rgba(3, 168, 66, 0.4);
}

.nav-buttons, .right-buttons {
    transition: all 0.3s ease;
}

.nav-button, .right-button {
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reading-box {
    transition: all 0.3s ease;
}

.site-header, .footer-message, .copyright, .last-updated, #ai-disclaimer {
    transition: all 0.3s ease;
}