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

body {
    font-family: 'Noto Sans TC', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 500px;
    width: 90%;
}

h1 {
    color: #1a1a1a;
    margin-bottom: 8px;
}

.subtitle {
    color: #666;
    margin-top: 0;
    margin-bottom: 30px;
}

.image-container {
    position: relative;
    margin-bottom: 30px;
}

#image-preview {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.result-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 15px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.result-overlay.show {
    opacity: 1;
}

#decision {
    margin: 0;
    font-size: 2em;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

#quote {
    margin: 5px 0 0;
    font-size: 1.1em;
}

button#upload-button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s;
}

button#upload-button:hover {
    background-color: #0056b3;
}

#loading {
    margin-top: 20px;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: #007bff;
    animation: spin 1s ease infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}