@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;700&display=swap');

body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #4a69bd;
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    margin: 0;
    font-weight: 700;
}

.container {
    width: 90%;
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.classifier-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ddd;
}

.classifier-selector button {
    flex: 1;
    padding: 0.8rem 1rem;
    border: none;
    background-color: #f0f0f0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 400;
    transition: background-color 0.3s, color 0.3s;
}

.classifier-selector button:hover {
    background-color: #e0e0e0;
}

.classifier-selector button.active {
    background-color: #4a69bd;
    color: white;
    font-weight: 700;
}

.description {
    color: #666;
    margin-bottom: 2rem;
}

.upload-label {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: #4a69bd;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-label:hover {
    background-color: #3b539a;
}

#imageUpload {
    display: none;
}

#image-preview {
    margin-top: 2rem;
    width: 100%;
    min-height: 250px;
    border: 2px dashed #ddd;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

#label-container {
    margin-top: 2rem;
    font-size: 1.25rem;
    font-weight: 700;
}

footer {
    text-align: center;
    padding: 1.5rem 0;
    background-color: #333;
    color: #aaa;
    font-size: 0.9rem;
    margin-top: auto;
}