:root {
    --bg-color: #f8f9fa;
    --text-color: #333;
    --container-bg: #ffffff;
    --heading-color: #5a3e2b;
    --paragraph-color: #666;
    --button-bg: #ff7f50;
    --button-hover-bg: #ff6347;
    --button-text: white;
    --image-border: #ddd;
    --result-text: #d9534f;
    --shadow-color: rgba(0,0,0,0.1);
    --switch-bg: #ccc;
    --switch-fg: white;
    --switch-toggled-bg: #ff7f50;
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --container-bg: #1e1e1e;
    --heading-color: #e8b49a;
    --paragraph-color: #b0b0b0;
    --button-bg: #ff8a65;
    --button-hover-bg: #ff7043;
    --button-text: #121212;
    --image-border: #444;
    --result-text: #ff8a65;
    --shadow-color: rgba(255,255,255,0.1);
    --switch-bg: #555;
    --switch-fg: #121212;
    --switch-toggled-bg: #ff8a65;
}

body {
    font-family: 'Jua', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column; /* Allow stacking container and switch */
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}
.theme-switch input {
    display:none;
}
.slider {
    background-color: var(--switch-bg);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    background-color: var(--switch-fg);
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--switch-toggled-bg);
}
input:checked + .slider:before {
    transform: translateX(26px);
}

.container {
    background-color: var(--container-bg);
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 4px 8px var(--shadow-color);
    max-width: 500px;
    width: 90%;
    transition: background-color 0.3s;
}

h1 {
    color: var(--heading-color);
    font-size: 2.5em;
    margin-bottom: 10px;
}

p {
    font-size: 1.2em;
    color: var(--paragraph-color);
    margin-bottom: 25px;
}

.file-upload-button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 15px 30px;
    font-family: 'Jua', sans-serif;
    font-size: 1.2em;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

.file-upload-button:hover {
    background-color: var(--button-hover-bg);
}

.file-upload-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}


.image-preview {
    margin: 20px auto;
    border: 5px solid var(--image-border);
    border-radius: 10px;
    width: 300px;
    height: 300px;
    object-fit: cover;
}

.label-container {
    margin-top: 20px;
    font-size: 1.1em;
}

.label-container div {
    margin: 5px 0;
}

.result-container {
    display: none; /* Initially hidden */
    margin-top: 20px;
}

.result-container h2 {
    color: var(--result-text);
    font-size: 2em;
}