/* Reset and Base Styles */
* {
    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 {
    display: grid;
    grid-template-columns: 1fr 300px;
    grid-template-rows: auto 1fr;
    grid-template-areas: 
        "header header"
        "main sidebar";
    min-height: 100vh;
    gap: 0;
}

/* Header Styles */
.header {
    grid-area: header;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
    color: #667eea;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
}

.status-indicators {
    display: flex;
    gap: 1rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.status-item i {
    font-size: 1rem;
}

.status-item.online {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.status-item.offline {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.status-item.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Panel Styles */
.conversion-panel,
.pipeline-status,
.results-panel,
.batch-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.panel-header h2,
.panel-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.btn-secondary:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Code Editors */
.code-editors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 2rem;
}

.editor-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
}

.editor-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #333;
}

.editor-actions {
    display: flex;
    gap: 0.25rem;
}

textarea {
    width: 100%;
    min-height: 300px;
    padding: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    resize: vertical;
    background: rgba(255, 255, 255, 0.9);
    transition: border-color 0.3s ease;
}

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

/* Conversion Options */
.conversion-options {
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.conversion-options h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #333;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-group label {
    font-weight: 500;
    color: #555;
    font-size: 0.875rem;
}

.option-group select,
.option-group input[type="text"] {
    padding: 0.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-size: 0.875rem;
    background: white;
}

.option-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Pipeline Status */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 2rem;
}

.status-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.status-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.status-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1.25rem;
}

.status-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #333;
}

.status-content p {
    font-size: 0.875rem;
    color: #666;
}

.status-card.processing .status-icon {
    animation: pulse 2s infinite;
}

.status-card.success .status-icon {
    background: linear-gradient(135deg, #16a34a 0%, #059669 100%);
}

.status-card.error .status-icon {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Results Panel */
.results-content {
    padding: 2rem;
}

.result-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.875rem;
    color: #666;
    font-weight: 500;
}

.conversion-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.detail-section {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.detail-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.detail-content {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.5;
}

/* Batch Processing */
.batch-content {
    padding: 2rem;
}

.file-list {
    min-height: 200px;
    border: 2px dashed rgba(102, 126, 234, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.empty-state {
    color: #999;
    font-style: italic;
}

.batch-progress {
    margin-top: 1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: #666;
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(0, 0, 0, 0.1);
    padding: 2rem;
    overflow-y: auto;
}

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

.sidebar-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.recent-list,
.stats-list,
.system-status {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-item,
.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-label,
.status-label {
    font-size: 0.875rem;
    color: #666;
}

.stat-value,
.status-value {
    font-weight: 600;
    color: #333;
}

.status-value.online {
    color: #16a34a;
}

.status-value.offline {
    color: #dc2626;
}

.status-value.warning {
    color: #d97706;
}

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

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Upload Area */
.upload-area {
    border: 2px dashed rgba(102, 126, 234, 0.3);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.upload-area p {
    color: #666;
    font-size: 1rem;
}

.upload-area input[type="file"] {
    display: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "header"
            "main";
    }
    
    .sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .status-indicators {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .code-editors {
        grid-template-columns: 1fr;
    }
    
    .status-grid {
        grid-template-columns: 1fr;
    }
    
    .result-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .conversion-details {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    color: #667eea;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-success {
    color: #16a34a;
}

.text-error {
    color: #dc2626;
}

.text-warning {
    color: #d97706;
}