:root {
    --primary-color: #4a90e2;
    --bg-color: #f5f7fa;
    --text-color: #333;
    --header-text-color: #4a90e2;
    --sub-text-color: #666;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --upload-bg: #f0f0f0;
    --border-color: #ccc;
    --diagnosis-bg: #eef6ff;
    --progress-bg: #e0e0e0;
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --header-text-color: #6fb1fc;
    --sub-text-color: #aaa;
    --card-bg: #1e1e1e;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --upload-bg: #2a2a2a;
    --border-color: #444;
    --diagnosis-bg: #162a44;
    --progress-bg: #333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

.theme-toggle-container {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 10px;
}

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    color: var(--text-color);
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--header-text-color);
    margin-bottom: 10px;
}

header p {
    color: var(--sub-text-color);
    font-weight: 300;
}

.disclaimer-header {
    font-size: 0.85rem;
    color: #e74c3c;
    margin-top: 10px;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 50px;
}

.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    width: 100%;
}

.camera-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-container {
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
}

.upload-label {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(74, 144, 226, 0.3);
}

#image-preview-container {
    width: 100%;
    max-width: 300px;
    min-height: 200px;
    background-color: var(--upload-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

#image-preview {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.results-card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    text-align: center;
}

.prediction-item {
    margin-bottom: 15px;
}

.label-text {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.9rem;
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: var(--progress-bg);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
}

.diagnosis-box {
    margin-top: 30px;
    padding: 20px;
    background-color: var(--diagnosis-bg);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--primary-color);
}

/* Info Sections */
.info-article {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.info-section h2 {
    color: var(--header-text-color);
    margin-bottom: 20px;
    font-size: 1.6rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 5px;
}

.info-section p {
    margin-bottom: 15px;
    color: var(--text-color);
}

.constitution-detail {
    margin-bottom: 25px;
    padding: 15px;
    background-color: var(--upload-bg);
    border-radius: 8px;
}

.constitution-detail h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.constitution-detail p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

#disqus_thread {
    margin-bottom: 50px;
}

footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    color: var(--sub-text-color);
}

.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--sub-text-color);
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.hidden {
    display: none;
}

/* Policy Pages Layout */
.policy-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.policy-content h1 {
    margin-bottom: 30px;
    color: var(--header-text-color);
}

.policy-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.policy-content p, .policy-content li {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
}