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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 { font-size: 2.5em; margin-bottom: 10px; }
.header p { font-size: 1.2em; opacity: 0.9; }

.status {
    background: #f8f9fa;
    padding: 15px 30px;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
    color: #495057;
}

.tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.tab {
    flex: 1;
    padding: 15px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.tab:hover { background: #e9ecef; }
.tab.active { background: white; border-bottom-color: #667eea; color: #667eea; }

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active { display: block; }

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #495057;
}

input, textarea, select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #667eea;
}

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover { transform: translateY(-2px); }
button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.result {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-top: 15px;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
}

.upload-section {
    margin-bottom: 30px;
}

.upload-area {
    border: 2px dashed #007bff;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    background: #f8f9ff;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 20px 0;
}

.upload-area:hover {
    border-color: #0056b3;
    background: #e3f2fd;
}

.upload-area.dragover {
    border-color: #28a745;
    background: #e8f5e8;
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-text {
    color: #666;
    font-size: 16px;
}

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
    color: #666;
    font-weight: bold;
    background: white;
    padding: 0 20px;
    display: inline-block;
    width: 100%;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #ddd;
    z-index: 1;
}

.manual-entry {
    margin-top: 20px;
}

.progress-container {
    background: #f0f0f0;
    border-radius: 6px;
    margin: 15px 0;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    background: linear-gradient(45deg, #007bff, #0056b3);
    height: 20px;
    border-radius: 6px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
}

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

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #b8daff;
    color: #0c5460;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
}

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

.slider {
    flex: 1;
}

.slider-value {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
    color: #667eea;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.progress {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

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

.model-info {
    background: #e8f4f8;
    border: 1px solid #bee5eb;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
}

.model-info h4 {
    color: #0c5460;
    margin-bottom: 8px;
}

.model-info p {
    color: #0c5460;
    font-size: 14px;
    margin: 5px 0;
}