body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    box-sizing: border-box;
    background-color: #fff;
    color: #333;
}

body.dark-mode {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

.container {
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 100vh;
}

.visualization {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    overflow: hidden;
}

.title-bar {
    margin-bottom: 10px;
    text-align: center;
}

.section-title {
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

.image-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.image-layer {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    pointer-events: none;
    z-index: 1;
}

.configuration {
    flex: 0 0 300px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.language-selector,
.color-controls {
    background-color: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    border-bottom: 1px solid #e0e0e0;
}

.language-selector select {
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    margin-top: 10px;
    padding: 10px 16px;
    font-size: 15px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(to right, #007bff, #0056b3);
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: linear-gradient(to right, #0056b3, #003f7f);
}

button:active {
    transform: scale(0.98);
    filter: brightness(0.95);
}

/* Dark mode */
body.dark-mode .configuration,
body.dark-mode .language-selector,
body.dark-mode .color-controls {
    background-color: rgba(30, 30, 30, 0.7);
    color: #e0e0e0;
}

body.dark-mode select {
    background-color: #2e2e2e;
    border: 1px solid #666;
    color: #e0e0e0;
}

body.dark-mode button {
    background: linear-gradient(to right, #444, #222);
}

body.dark-mode button:hover {
    background: linear-gradient(to right, #666, #444);
}

body.dark-mode .image-with-bg {
    background-color: white;
    padding: 4px; /* Opcional: para que se vea un marco */
    border-radius: 6px;
}

/* Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.switch {
    position: relative;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4b6cb7;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .configuration {
        width: 100%;
    }

    button {
        width: 100%;
    }
}