/* 
 * OCW Face Recognition Styles
 * Main colors: #111111 and white
 */

:root {
    --primary-color: #111111;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ffffff;
    --gray-color: #f5f5f5;
    --dark-gray: #333333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--light-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--gray-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 60px;
    height: 60px;
}

h1 {
    font-size: 2.2rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Main Content Styles */
main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

section {
    background-color: var(--light-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Upload Section Styles */
.upload-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

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

.reference-upload, .bulk-upload {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.upload-area {
    border: 2px dashed var(--dark-gray);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.icon {
    font-size: 2.5rem;
    color: var(--dark-gray);
}

.preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
    overflow: hidden;
}

.preview img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
}

.bulk-counter {
    text-align: center;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

/* Action Section Styles */
.action-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.primary-btn {
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    border-radius: 4px;
    padding: 12px 30px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    max-width: 300px;
}

.primary-btn:hover {
    background-color: #000000;
    transform: translateY(-2px);
}

.primary-btn:disabled {
    background-color: var(--dark-gray);
    cursor: not-allowed;
    transform: none;
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    padding: 10px 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.secondary-btn:disabled {
    border-color: var(--dark-gray);
    color: var(--dark-gray);
    cursor: not-allowed;
}

.api-info {
    text-align: center;
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
    padding: 20px;
    background-color: var(--gray-color);
    border-radius: 8px;
}

.api-info code {
    display: block;
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 10px;
    border-radius: 4px;
    margin: 15px 0;
    font-family: monospace;
}

/* Results Section Styles */
.results-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.result-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.result-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.result-info {
    padding: 15px;
    background-color: var(--light-color);
}

.confidence {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--light-color);
    margin: 50px auto;
    padding: 30px;
    border-radius: 8px;
    max-width: 800px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark-gray);
}

.api-docs {
    margin-top: 20px;
}

.api-docs pre {
    background-color: var(--gray-color);
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    font-family: monospace;
    margin: 15px 0;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 576px) {
    .container {
        padding: 10px;
    }
    
    section {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .results-stats {
        flex-direction: column;
        gap: 20px;
    }
}