/* Theme Toggle Button - Diseño mejorado */
.theme-toggle {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Tooltip */
.theme-toggle::before {
    content: attr(aria-label);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(-50%) translateY(5px);
    z-index: 1001;
}

.theme-toggle:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Fondo gradiente interno */
.theme-toggle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--accent-color), var(--color-cuaternario));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px rgba(0, 140, 186, 0.3);
}

.theme-toggle:hover::after {
    opacity: 0.1;
}

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

/* Iconos mejorados */
.theme-icon {
    position: absolute;
    font-size: 1.3rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--color-terciario);
    z-index: 1;
}

.theme-icon.sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon.moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-icon.sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-icon.moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #fbbf24;
}

/* Animación de switching mejorada */
.theme-toggle.switching {
    animation: themeSwitch 0.6s ease;
}

.theme-toggle.switching .theme-icon {
    animation: iconSpin 0.6s ease;
}

@keyframes themeSwitch {
    0% { transform: scale(1); }
    50% { 
        transform: scale(1.2);
        box-shadow: 0 0 20px var(--accent-color);
    }
    100% { transform: scale(1); }
}

@keyframes iconSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(0.8); }
    100% { transform: rotate(360deg) scale(1); }
}

/* Efecto ripple al hacer clic - actualizado */
.ripple-effect {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
    pointer-events: none;
}

.theme-toggle:active .ripple-effect {
    width: 60px;
    height: 60px;
}

/* Estados del modo oscuro */
[data-theme="dark"] .theme-toggle {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .theme-toggle:hover {
    border-color: #fbbf24;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

/* Responsive mejorado */
@media only screen and (min-width: 0px) and (max-width: 767px) {
    .theme-toggle {
        width: 44px;
        height: 44px;
        margin-left: auto;
    }
    
    .theme-icon {
        font-size: 1.1rem;
    }
}

/* Transiciones globales mejoradas para el cambio de tema */
*, *::before, *::after {
    transition-property: background-color, border-color, color, fill, stroke, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Excepciones para elementos que no necesitan transición */
.swiper-slide, .card-img, .loader, .loading-spinner {
    transition-property: transform, opacity;
}