/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

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

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.logo img {
    height: 50px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
}

.logo h1 span {
    color: #3498db;
}

.tagline {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* Upload Area */
.upload-area {
    background-color: white;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 2px dashed #e0e6ed;
    transition: all 0.3s ease;
    margin-bottom: 40px;
}

.upload-area:hover {
    border-color: #3498db;
}

.upload-area.drag-over {
    background-color: #f0f7ff;
    border-color: #3498db;
}

.upload-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 20px;
}

.upload-area h2 {
    margin-bottom: 10px;
    color: #2c3e50;
}

.upload-area p {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.file-info {
    font-size: 0.9rem;
    margin-top: 20px;
    color: #95a5a6;
}

/* Buttons */
.btn-browse {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-browse:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.btn-download {
    background-color: #2ecc71;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.btn-new {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-new:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

/* Features Section */
.features {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    flex: 1;
    min-width: 250px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-card p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    margin-top: 30px;
    position: relative;
}

.progress-bar {
    height: 10px;
    background-color: #ecf0f1;
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    display: block;
    height: 100%;
    width: 0;
    background-color: #3498db;
    border-radius: 5px;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    right: 0;
    top: -25px;
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Result Modal */
.result-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    color: #7f8c8d;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #e74c3c;
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

.comparison {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.image-box {
    flex: 1;
    min-width: 300px;
}

.image-box h3 {
    text-align: center;
    margin-bottom: 15px;
    color: #7f8c8d;
}

.image-box img {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        flex-direction: column;
    }
    
    .logo img {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .features {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons button {
        width: 100%;
    }
}