/* Plugin Manager Styles */
.plugin-manager {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid;
}

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

.alert-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* Action Bar */
.action-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--admin-primary-gradient);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #5a6268;
    transform: translateY(-1px);
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-1px);
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-warning:hover:not(:disabled) {
    background: #e0a800;
    transform: translateY(-1px);
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-icon {
    font-size: 1.1rem;
    font-weight: bold;
}

/* Create Plugin Form */
.create-plugin-form {
    margin-bottom: 2rem;
}

.form-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.form-card h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
    background: white;
}

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

.form-help {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    background: white;
    border-radius: 12px;
    border: 2px dashed var(--border-color);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-state h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.empty-state p {
    margin: 0 0 2rem 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 400px;
}

.empty-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Plugin Grid */
.plugins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1.5rem;
}

/* Plugin Card */
.plugin-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
    position: relative;
}

.plugin-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.plugin-card.active {
    border-color: #28a745;
    background: linear-gradient(135deg, #f8fff9 0%, #f0fff4 100%);
}

.plugin-card.inactive {
    border-color: #6c757d;
}

.plugin-card.error {
    border-color: #dc3545;
    background: linear-gradient(135deg, #fff8f8 0%, #fff5f5 100%);
}

.plugin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.plugin-info h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.plugin-version {
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', monospace;
}

.plugin-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.status-inactive {
    background: #e2e3e5;
    color: #495057;
}

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

.plugin-description {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.plugin-meta {
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.meta-label {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 80px;
    font-size: 0.9rem;
}

.meta-value {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.capability-tag {
    background: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.plugin-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.plugin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .plugin-manager {
        padding: 1rem;
    }
    
    .plugins-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .plugin-actions {
        flex-direction: column;
    }
    
    .plugin-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .plugin-status {
        align-self: flex-start;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.close-icon {
    display: block;
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 1;
}

.modal-body {
    padding: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Enhanced Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-label.required::after {
    content: " *";
    color: var(--error-color);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.upload-area h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.upload-area p {
    margin: 0 0 1.5rem 0;
    color: var(--text-secondary);
}

.file-input {
    display: none;
}

.file-label {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.file-label:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.upload-requirements,
.repo-requirements {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    text-align: left;
}

.upload-requirements h4,
.repo-requirements h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.upload-requirements ul,
.repo-requirements ul {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.upload-requirements li,
.repo-requirements li {
    margin-bottom: 0.25rem;
}

/* Button Spinner */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* CSS Variables for theming */
:root {
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --border-color: #e2e8f0;
}

/* Tab Navigation Styles */
.tab-navigation {
    display: flex;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 1.5rem;
    background: #f8fafc;
    border-radius: 8px 8px 0 0;
    padding: 0.5rem 0.5rem 0;
}

.tab-button {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 6px 6px 0 0;
    color: #64748b;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    margin: 0 2px;
}

.tab-button:hover {
    background: #e2e8f0;
    color: #475569;
}

.tab-button.active {
    background: #ffffff;
    color: #1e293b;
    border-bottom: 2px solid #3b82f6;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: #3b82f6;
}

/* Tab Content Styles */
.tab-content {
    min-height: 400px;
    max-height: 70vh;
    overflow-y: auto;
    padding: 1rem 0;
}

/* Documentation Tab Styles */
.documentation-tab {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.documentation-section h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.documentation-section p {
    color: #64748b;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.doc-content h4 {
    color: #374151;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
}

.doc-content ul {
    margin: 0.5rem 0 1rem 1rem;
    color: #4b5563;
}

.doc-content li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.doc-content code {
    background: #f1f5f9;
    color: #e11d48;
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.capability-item {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.capability-item strong {
    color: #1e293b;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.capability-item ul {
    margin: 0;
    padding-left: 1rem;
}

.capability-item li {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.security-info {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #f59e0b;
    margin: 1rem 0;
}

.security-info p {
    margin: 0.5rem 0;
    color: #92400e;
    font-size: 0.9rem;
}

/* Examples Tab Styles */
.examples-tab {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.examples-section h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.template-download {
    margin: 1.5rem 0;
}

.template-card {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border: 1px solid #93c5fd;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.template-card h4 {
    color: #1e40af;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.template-card p {
    color: #1e40af;
    margin-bottom: 1rem;
}

.template-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-tag {
    background: #3b82f6;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.manifest-example,
.plugin-code-example {
    margin: 2rem 0;
}

.manifest-example h4,
.plugin-code-example h4 {
    color: #374151;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.code-block {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    overflow-x: auto;
    border: 1px solid #374151;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.development-steps {
    background: #f0fdf4;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #22c55e;
    margin: 1.5rem 0;
}

.development-steps h4 {
    color: #166534;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.development-steps ol {
    margin: 0;
    padding-left: 1.5rem;
    color: #166534;
}

.development-steps li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.development-steps code {
    background: #dcfce7;
    color: #166534;
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

/* Responsive adjustments for tabs */
@media (max-width: 768px) {
    .tab-navigation {
        flex-direction: column;
    }
    
    .tab-button {
        margin: 2px 0;
        border-radius: 6px;
    }
    
    .capability-grid {
        grid-template-columns: 1fr;
    }
    
    .template-features {
        justify-content: flex-start;
    }
    
    .code-block {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
}