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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.tab-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 10px;
    backdrop-filter: blur(10px);
}

.tab-btn {
    background: transparent;
    border: none;
    color: white;
    padding: 15px 25px;
    margin: 0 5px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: rgba(255,255,255,0.3);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.tab-content {
    display: none;
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.upload-area {
    border: 3px dashed #667eea;
    border-radius: 15px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.upload-area:hover {
    border-color: #764ba2;
    background: rgba(102, 126, 234, 0.05);
}

.upload-area.dragover {
    border-color: #764ba2;
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.02);
}

.upload-area i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.upload-area h3 {
    color: #333;
    margin-bottom: 10px;
}

.upload-area p {
    color: #666;
    font-size: 0.9rem;
}

.form-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
}

.form-section h3 {
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.file-list {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
}

.file-list h3 {
    margin-bottom: 20px;
    color: #333;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: white;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-info i {
    font-size: 1.5rem;
    color: #667eea;
}

.file-details h4 {
    margin-bottom: 5px;
    color: #333;
}

.file-details p {
    color: #666;
    font-size: 0.9rem;
}

.edit-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid #e1e5e9;
}

.edit-section h4 {
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid #e1e5e9;
}

.filter-section h4 {
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-options {
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e1e5e9;
}

.thumbnail-preview {
    margin-top: 20px;
    text-align: center;
}

.thumbnail-preview img {
    max-width: 320px;
    max-height: 240px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.filter-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.filter-preview img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.checkbox-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #e1e5e9;
    border-radius: 10px;
    padding: 15px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.checkbox-item input[type="checkbox"] {
    width: auto;
}

.info-display {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.jobs-list {
    margin-top: 20px;
}

.job-item {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-left: 4px solid #667eea;
}

.job-item.completed {
    border-left-color: #28a745;
}

.job-item.failed {
    border-left-color: #dc3545;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.job-status {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.job-status.processing {
    background: #fff3cd;
    color: #856404;
}

.job-status.completed {
    background: #d4edda;
    color: #155724;
}

.job-status.failed {
    background: #f8d7da;
    color: #721c24;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e1e5e9;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
    width: 0%;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 15% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #333;
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
}

.toast {
    background: white;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-left: 4px solid #667eea;
    animation: slideIn 0.3s ease;
    max-width: 300px;
}

.toast.success {
    border-left-color: #28a745;
}

.toast.error {
    border-left-color: #dc3545;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .tab-nav {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .job-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}