/* Code Review Assistant Dashboard Styles */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
}

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

/* Header */
.header {
    background: white;
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.header h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.75rem;
}

.header p {
    margin: 0.5rem 0 0 0;
    color: var(--secondary-color);
}

/* Navigation */
.nav-tabs {
    display: flex;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 2rem;
    background: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.nav-tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--secondary-color);
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.nav-tab:hover {
    color: var(--primary-color);
    background-color: var(--light-color);
}

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: white;
}

/* Tab Content */
.tab-content {
    display: none;
    background: white;
    padding: 2rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

/* Upload Section */
.upload-section {
    text-align: center;
    margin-bottom: 2rem;
}

.file-drop-zone {
    border: 3px dashed #dee2e6;
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    background-color: var(--light-color);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}

.file-drop-zone.processing {
    border-color: var(--info-color);
    background-color: rgba(23, 162, 184, 0.1);
}

.drop-zone-content {
    pointer-events: none;
}

.drop-zone-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.file-drop-zone:hover .drop-zone-icon,
.file-drop-zone.dragover .drop-zone-icon {
    color: var(--primary-color);
}

.file-input {
    display: none;
}

.upload-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}

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

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

/* Progress Bar */
.progress-container {
    margin-top: 1rem;
    display: none;
}

.progress {
    background-color: #e9ecef;
    border-radius: var(--border-radius);
    height: 1rem;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    height: 100%;
    transition: width 0.3s ease;
    width: 0%;
}

/* Status Messages */
.status-message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    display: none;
}

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

.status-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.status-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* Reports List */
.reports-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.reports-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.form-select {
    padding: 0.375rem 0.75rem;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    background-color: white;
    font-size: 0.875rem;
}

.reports-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.report-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

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

.report-title {
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
    font-size: 1.1rem;
}

.report-status {
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

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

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

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

.report-meta {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.report-summary {
    color: var(--dark-color);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.report-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Report Detail View */
.report-detail {
    display: none;
}

.report-detail.active {
    display: block;
}

.report-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #dee2e6;
}

.report-detail-title {
    margin: 0;
    color: var(--dark-color);
}

.report-detail-meta {
    text-align: right;
    color: var(--secondary-color);
    font-size: 0.875rem;
}

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

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.issues-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid #dee2e6;
    background: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.issue-item {
    background: white;
    border: 1px solid #dee2e6;
    border-left: 4px solid var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.issue-item.severity-high {
    border-left-color: var(--danger-color);
}

.issue-item.severity-medium {
    border-left-color: var(--warning-color);
}

.issue-item.severity-low {
    border-left-color: var(--info-color);
}

.issue-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.issue-type {
    font-weight: 600;
    color: var(--dark-color);
}

.issue-severity {
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.severity-high {
    background-color: var(--danger-color);
    color: white;
}

.severity-medium {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.severity-low {
    background-color: var(--info-color);
    color: white;
}

.issue-line {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.issue-message {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.issue-suggestion {
    background-color: var(--light-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--dark-color);
}

/* Code Highlighting */
.code-snippet {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

/* Recommendations */
.recommendations-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.recommendation-item {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 1rem;
}

.recommendation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.recommendation-area {
    font-weight: 600;
    color: var(--primary-color);
    text-transform: capitalize;
}

.impact-effort {
    display: flex;
    gap: 0.5rem;
}

.impact-badge,
.effort-badge {
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.impact-high,
.effort-high {
    background-color: var(--danger-color);
    color: white;
}

.impact-medium,
.effort-medium {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.impact-low,
.effort-low {
    background-color: var(--success-color);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tab {
        flex: 1;
        min-width: 120px;
        text-align: center;
    }
    
    .reports-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .reports-filters {
        justify-content: center;
    }
    
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    .report-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .report-actions {
        justify-content: flex-start;
    }
    
    .issues-filters {
        justify-content: center;
    }
    
    .issue-header {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Loading States */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    display: none;
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }