/* Océano Profundo */
:root {
    --primary-color: #003894;
    --secondary-color: #0056b3;
    --background-color: #f0f4f9;
    --text-color: #333333;
    --hover-color: #002d75;
    --card-background: #ffffff;
}

/* Bosque Místico */
[data-theme="forest"] {
    --primary-color: #0a8408;
    --secondary-color: #0cb30a;
    --background-color: #f0f7f0;
    --text-color: #2c3e50;
    --hover-color: #076606;
    --card-background: #ffffff;
}

/* Atardecer */
[data-theme="sunset"] {
    --primary-color: #c45d3c;
    --secondary-color: #d67d61;
    --background-color: #f5e6e0;
    --text-color: #333333;
    --hover-color: #a34b31;
    --card-background: #ffffff;
}

/* Tierra Antigua */
[data-theme="earth"] {
    --primary-color: #7c706b;
    --secondary-color: #958a86;
    --background-color: #faf7f0;
    --text-color: #2c3e50;
    --hover-color: #635a56;
    --card-background: #ffffff;
}

/* Estilos para los botones de tema */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 15px;
    z-index: 1000;
}

.theme-btn {
    width: 25px;
    height: 25px;
    cursor: pointer;
    background: none;
    border: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    padding: 0;
}

.theme-btn:hover {
    transform: scale(1.2);
}

.theme-btn.ocean {
    color: #003894;
}

.theme-btn.forest {
    color: #0a8408;
}

.theme-btn.sunset {
    color: #c45d3c;
}

.theme-btn.earth {
    color: #7c706b;
}

.theme-btn.active {
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.7));
}

/* Ajustes específicos para los iconos */
.theme-btn i {
    transition: transform 0.3s ease;
}

.theme-btn:hover i {
    transform: scale(1.1);
}