/* Theme Toggle Button Styles */
.theme-toggle {
    background: none;
    border: 2px solid var(--green);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--green);
    transform: scale(1.1);
}

.theme-toggle .dark-icon,
.theme-toggle .light-icon {
    font-size: 18px;
    transition: all .3s ease;
    position: absolute;
    color: var(--blue-weak);
}

.theme-toggle:hover .dark-icon,
.theme-toggle:hover .light-icon {
    color: var(--green);
}

/* Light theme (default) - show moon icon (action: switch to dark) */
.theme-toggle .dark-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .light-icon {
    opacity: 0;
    transform: rotate(180deg);
}

/* Dark theme - show sun icon (action: switch to light) */
.theme-toggle.dark-theme .dark-icon {
    opacity: 0;
    transform: rotate(-180deg);
}

.theme-toggle.dark-theme .light-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Dark theme styles for toggle button */
[data-theme="dark"] .theme-toggle {
    border-color: var(--green);
}

[data-theme="dark"] .theme-toggle .dark-icon,
[data-theme="dark"] .theme-toggle .light-icon {
    color: var(--cor-de-fundo);
}

[data-theme="dark"] .theme-toggle:hover {
    border-color: var(--cor-de-fundo);
}

[data-theme="dark"] .theme-toggle:hover .dark-icon,
[data-theme="dark"] .theme-toggle:hover .light-icon {
    color: var(--cor-de-fundo);
}

/* Additional dark theme variables and overrides */
[data-theme="dark"] {
    --cor-de-fundo-dark: #1a1a1a;
    --text-color-dark: #f2f9fc;
}

[data-theme="dark"] body {
    background-color: #1a1a1a;
    color: var(--cor-de-fundo);
}

[data-theme="dark"] .banner {
    background-color: var(--blue-strong);
}

/* Responsive adjustments for theme toggle */
@media screen and (max-width: 768px) {
    .theme-toggle {
        width: 35px;
        height: 35px;
    }
    
    .theme-toggle .dark-icon,
    .theme-toggle .light-icon {
        font-size: 16px;
    }
}

@media screen and (max-width: 480px) {
    .theme-toggle {
        width: 30px;
        height: 30px;
    }
    
    .theme-toggle .dark-icon,
    .theme-toggle .light-icon {
        font-size: 14px;
    }
}