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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    
    color: #1cb15f;
}

.center-container {
    display: flex;
    justify-content: center;  /* centers horizontally */
    align-items: center;      /* centers vertically */
    /*height: 100vh;            /* full viewport height */
    background: #f4f6f8;      /* optional light background */
    padding-top: 30px;
}

.fancy-btn {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    width: 220px;
    align-items: center;

}

.fancy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.fancy-btn:active {
    transform: translateY(1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

header p {
    color: #7f8c8d;
}

.upload-section {
    margin-bottom: 2rem;
}

.upload-area {
    background-color: white;
    border: 2px dashed #3498db;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #2980b9;
    background-color: #f8f9fa;
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

.upload-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.upload-btn:hover {
    background-color: #2980b9;
}

.file-name {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.result-section {
    display: none;
}

.image-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.original-image, .detected-image {
    background-color: white;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.original-image h3, .detected-image h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.original-image img, .detected-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.detection-results {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.detection-results h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

#resultsList {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.result-item {
    padding: 0.5rem;
    background-color: #f8f9fa;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

@media (max-width: 768px) {
    .image-container {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
} 




.label-with-color {
    display: flex;
    align-items: center;
    gap: 6px;
}

.color-box {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    display: inline-block;
}

.feedback-link {
    margin-top: 20px;
    text-align: center;
}

.feedback-link a {
    text-decoration: none;
    color: #0088cc;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    transition: color 0.3s;
}

.feedback-link a:hover {
    color: #005f99;
}

.telegram-icon {
    width: 20px;
    height: 20px;
    fill: #0088cc;
}