/**
 * Theme toggle button styles
 */

.theme-toggle {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--overlay-panel);
    border: 1px solid var(--border-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 101;
    box-shadow: 0 4px 12px var(--shadow-heavy);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px var(--shadow-heavy);
    border-color: var(--accent-primary);
}

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

.theme-icon {
    width: 20px;
    height: 20px;
    fill: var(--text-primary);
    stroke: var(--text-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.3s ease;
}

.theme-icon.hidden {
    display: none;
}

/* Animation for icon transition */
.theme-toggle .theme-icon {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: rotate(-90deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}