/* Theme Toggle Button Styles */
.theme-toggle {
    position: fixed;
    top: 1rem;
    left: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.theme-toggle:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 0.5rem;
        left: 0.5rem;
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}