:root {
    --bg-color: #f0f0f0;
    --text-color: #333;
    --widget-bg-color: #fff;
    --border-color: #ccc;
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
}

body {
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.dark-mode {
    --bg-color: #333;
    --text-color: #f0f0f0;
    --widget-bg-color: #444;
    --border-color: #666;
    --primary-color: #0088cc;
    --primary-hover-color: #006699;
}

h1 {
    text-align: center;
}

#app {
    display: flex;
    gap: 20px;
}

#controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    background-color: var(--widget-bg-color);
    border-radius: 8px;
    width: 250px;
}

.control-group {
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-group h2 {
    margin-top: 0;
    font-size: 1.1em;
    text-align: center;
}

.input-pair {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-pair label {
    font-size: 0.9em;
}


#right-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background-color: var(--widget-bg-color);
    border-radius: 8px;
}

#room-canvas {
    border: 1px solid var(--border-color);
    background-color: var(--widget-bg-color);
}

label {
    font-weight: bold;
}

input, select {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

button {
    padding: 10px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--primary-hover-color);
}

/* Theme Switcher */
.theme-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    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: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

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

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}