/* ========================================
   Metric Suggestions Modal Styles
   Apple Developer Dark Theme
   
   Design System:
   - Uses CSS variables from :root in styles.css
   - Matches Systems page Key Metrics table structure
   - Table-like layout for clean vertical rhythm
   ======================================== */

/* ========================================
   Modal Structure
   ======================================== */
.metric-suggestions-modal-dialog {
    max-width: 900px;
}

@media (max-width: 768px) {
    .metric-suggestions-modal-dialog {
        max-width: 100%;
        margin: 0.5rem;
    }
}

.metric-suggestions-modal-content,
#metricSuggestionsModal .modal-content {
    background: var(--bg-primary, #1C1C1E) !important;
    border: 1px solid var(--border-color, #3A3A3C) !important;
    border-radius: var(--radius-lg, 16px);
    box-shadow: var(--shadow-xl, 0 25px 50px -12px rgba(0, 0, 0, 0.5));
    overflow: hidden;
}

.metric-suggestions-header,
#metricSuggestionsModal .modal-header {
    background: var(--bg-surface, #2C2C2E) !important;
    border-bottom: 1px solid var(--border-light, #2C2C2E) !important;
    padding: var(--space-md, 16px) var(--space-lg, 24px);
}

.metric-suggestions-title {
    font-size: var(--font-size-lg, 20px);
    font-weight: var(--font-weight-semibold, 600);
    letter-spacing: var(--letter-spacing-sm, -0.2px);
    color: var(--text-primary, #FFFFFF);
    margin: 0;
}

.metric-suggestions-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
}

.metric-suggestions-header .btn-close:hover {
    opacity: 1;
}

.metric-suggestions-body,
#metricSuggestionsModal .modal-body {
    padding: var(--space-lg, 24px);
    background: var(--bg-primary, #1C1C1E) !important;
    max-height: 65vh;
    overflow-y: auto;
}

/* Scrollbar styling */
.metric-suggestions-body::-webkit-scrollbar {
    width: 6px;
}

.metric-suggestions-body::-webkit-scrollbar-track {
    background: transparent;
}

.metric-suggestions-body::-webkit-scrollbar-thumb {
    background: var(--border-color, #3A3A3C);
    border-radius: 3px;
}

.metric-suggestions-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-disabled, #5A5A5E);
}

.metric-suggestions-footer,
#metricSuggestionsModal .modal-footer {
    background: var(--bg-surface, #2C2C2E) !important;
    border-top: 1px solid var(--border-light, #2C2C2E) !important;
    padding: var(--space-sm, 8px) var(--space-lg, 24px);
    display: flex;
    gap: var(--space-sm, 8px);
    justify-content: space-between;
    align-items: center;
}

/* ========================================
   All Icons - White
   ======================================== */
#metricSuggestionsModal i,
#metricSuggestionsModal .fas,
#metricSuggestionsModal .far,
#metricSuggestionsModal .fa {
    color: var(--text-primary, #FFFFFF) !important;
}

/* ========================================
   Info Banner - Subtle inline style
   ======================================== */
.metric-suggestions-info {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: var(--space-sm, 8px) 0;
    margin-bottom: var(--space-md, 16px);
    display: flex;
    align-items: center;
    gap: var(--space-sm, 8px);
    color: var(--text-secondary, #A1A1A1);
    font-size: var(--font-size-sm, 13px);
    line-height: var(--line-height, 1.5);
}

.metric-suggestions-info i {
    font-size: 14px;
    flex-shrink: 0;
}

/* ========================================
   Empty State
   ======================================== */
.metric-suggestions-empty {
    text-align: center;
    padding: var(--space-2xl, 48px) var(--space-lg, 24px);
}

.empty-state-icon {
    margin-bottom: var(--space-md, 16px);
}

.empty-state-icon i {
    font-size: 40px;
}

.empty-state-title {
    font-size: var(--font-size-md, 17px);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--text-primary, #FFFFFF);
    margin-bottom: var(--space-xs, 4px);
}

.empty-state-message {
    font-size: var(--font-size-sm, 13px);
    color: var(--text-secondary, #A1A1A1);
    margin: 0;
}

/* ========================================
   Statistics Summary - Compact inline
   ======================================== */
.suggestions-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg, 24px);
    padding: var(--space-sm, 8px) 0;
    margin-bottom: var(--space-md, 16px);
    border-bottom: 1px solid var(--border-light, #2C2C2E);
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs, 4px);
}

.stat-number {
    font-size: var(--font-size-lg, 20px);
    font-weight: var(--font-weight-bold, 700);
    color: var(--text-primary, #FFFFFF);
}

.stat-label {
    font-size: var(--font-size-xs, 11px);
    color: var(--text-secondary, #A1A1A1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   Upload Group Card - File context header
   ======================================== */
.suggestion-item {
    background: var(--bg-surface, #2C2C2E);
    border: 1px solid var(--border-light, #2C2C2E);
    border-radius: var(--radius-md, 12px);
    margin-bottom: var(--space-md, 16px);
    overflow: hidden;
}

.upload-context {
    background: var(--bg-elevated, #3A3A3C);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    font-size: var(--font-size-xs, 11px);
    color: var(--text-secondary, #A1A1A1);
    display: flex;
    align-items: center;
    gap: var(--space-sm, 8px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.upload-context strong {
    color: var(--text-primary, #FFFFFF);
    font-weight: var(--font-weight-medium, 500);
    text-transform: none;
    letter-spacing: 0;
}

/* ========================================
   Table Structure - Matches Systems Key Metrics
   ======================================== */
.suggestions-table {
    width: 100%;
}

.suggestions-table-header {
    display: grid;
    grid-template-columns: 32px 1fr 1fr auto auto;
    gap: var(--space-sm, 8px);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    background: var(--bg-elevated, #3A3A3C);
    border-bottom: 1px solid var(--border-light, #2C2C2E);
}

.suggestions-table-header span {
    font-size: var(--font-size-xs, 11px);
    font-weight: var(--font-weight-medium, 500);
    color: var(--text-secondary, #A1A1A1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   Metric Row - Table-like structure
   ======================================== */
.metric-match-section {
    display: grid;
    grid-template-columns: 32px 1fr 1fr auto auto;
    gap: var(--space-sm, 8px);
    align-items: center;
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    border-bottom: 1px solid var(--border-light, #2C2C2E);
    transition: background 0.15s ease;
}

.metric-match-section:last-child {
    border-bottom: none;
}

.metric-match-section:hover {
    background: rgba(255, 255, 255, 0.02);
}

.metric-match-section.selected {
    background: rgba(10, 132, 255, 0.08);
}

/* Checkbox Column */
.metric-checkbox-cell {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Original Metric Column */
.metric-original-cell {
    min-width: 0;
}

.original-metric {
    display: inline-block;
    padding: 3px 8px;
    border-radius: var(--radius-sm, 8px);
    font-family: var(--font-family);
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    background: var(--bg-elevated, #3A3A3C);
    color: var(--text-primary, #FFFFFF);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* Suggested Metric Column */
.metric-suggested-cell {
    display: flex;
    align-items: center;
    gap: var(--space-sm, 8px);
    min-width: 0;
}

.suggestion-arrow {
    font-size: 12px;
    opacity: 0.4;
    flex-shrink: 0;
}

.suggested-metric {
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    color: var(--text-primary, #FFFFFF);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggested-metric.text-muted {
    color: var(--text-disabled, #5A5A5E);
    font-weight: var(--font-weight-regular, 400);
    font-style: italic;
}

/* Confidence Badge Column */
.metric-confidence-cell {
    display: flex;
    align-items: center;
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: var(--font-size-xs, 11px);
    font-weight: var(--font-weight-medium, 500);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--bg-elevated, #3A3A3C);
    color: var(--text-primary, #FFFFFF);
    white-space: nowrap;
}

/* Value Column */
.metric-value-cell {
    text-align: right;
    min-width: 80px;
}

.metric-value-display {
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    color: var(--text-primary, #FFFFFF);
    font-variant-numeric: tabular-nums;
}

/* ========================================
   AI Reason - Subtle inline tooltip style
   ======================================== */
.suggestion-reason {
    grid-column: 2 / -1;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm, 8px);
    padding: var(--space-sm, 8px) 0;
    margin-top: var(--space-xs, 4px);
    font-size: var(--font-size-xs, 11px);
    color: var(--text-secondary, #A1A1A1);
    line-height: 1.4;
}

.suggestion-reason i {
    font-size: 11px;
    margin-top: 1px;
    flex-shrink: 0;
    opacity: 0.6;
}

/* ========================================
   Checkbox Styling
   ======================================== */
.suggestion-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-blue, #0A84FF);
    flex-shrink: 0;
    border-radius: 4px;
}

.suggestion-checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.3;
}

/* ========================================
   Footer Button Layout - Matches Systems page
   ======================================== */
.modal-footer-left {
    display: flex;
    align-items: center;
}

.modal-footer-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm, 8px);
}

/* Select All Button - Blue */
.metric-suggestions-btn-select-all {
    background: var(--accent-blue, #0A84FF);
    border: none;
    color: var(--text-primary, #FFFFFF);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    border-radius: var(--radius-sm, 8px);
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs, 4px);
}

.metric-suggestions-btn-select-all:hover {
    background: var(--accent-blue-hover, #409CFF);
}

.metric-suggestions-btn-select-all:disabled {
    background: var(--bg-elevated, #3A3A3C);
    color: var(--text-disabled, #5A5A5E);
    cursor: not-allowed;
}

/* Close Button - Subtle */
.metric-suggestions-btn-close {
    background: transparent;
    border: 1px solid var(--border-color, #3A3A3C);
    color: var(--text-primary, #FFFFFF);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    border-radius: var(--radius-sm, 8px);
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-medium, 500);
    transition: all 0.15s ease;
}

.metric-suggestions-btn-close:hover {
    background: var(--bg-hover, #3A3A3C);
}

/* Approve Button - Blue when enabled, gray when disabled */
.metric-suggestions-btn-approve {
    background: var(--accent-blue, #0A84FF);
    border: none;
    color: var(--text-primary, #FFFFFF);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    border-radius: var(--radius-sm, 8px);
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-semibold, 600);
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs, 4px);
}

.metric-suggestions-btn-approve:hover:not(:disabled) {
    background: var(--accent-blue-hover, #409CFF);
}

.metric-suggestions-btn-approve:disabled {
    background: var(--bg-elevated, #3A3A3C);
    color: var(--text-disabled, #5A5A5E);
    cursor: not-allowed;
}

#metricSuggestionsModal .metric-suggestions-btn-approve:disabled i,
#metricSuggestionsModal .metric-suggestions-btn-approve:disabled .fas,
#metricSuggestionsModal .metric-suggestions-btn-approve:disabled .fa {
    color: var(--text-disabled, #5A5A5E) !important;
}

/* ========================================
   Loading State
   ======================================== */
#suggestionsLoading {
    text-align: center;
    padding: var(--space-2xl, 48px);
}

#suggestionsLoading .spinner-border {
    color: var(--accent-blue, #0A84FF);
    width: 24px;
    height: 24px;
}

#suggestionsLoading p {
    color: var(--text-secondary, #A1A1A1);
    font-size: var(--font-size-sm, 13px);
    margin-top: var(--space-sm, 8px);
}

/* ========================================
   Text Hierarchy
   ======================================== */
#metricSuggestionsModal h1,
#metricSuggestionsModal h2,
#metricSuggestionsModal h3,
#metricSuggestionsModal h4,
#metricSuggestionsModal h5,
#metricSuggestionsModal h6,
#metricSuggestionsModal strong {
    color: var(--text-primary, #FFFFFF) !important;
}

#metricSuggestionsModal .text-muted,
#metricSuggestionsModal small {
    color: var(--text-secondary, #A1A1A1) !important;
}

#metricSuggestionsModal p {
    color: var(--text-secondary, #A1A1A1);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .metric-suggestions-header,
    .metric-suggestions-footer {
        padding: var(--space-sm, 8px) var(--space-md, 16px);
    }
    
    .metric-suggestions-body {
        padding: var(--space-md, 16px);
    }
    
    .metric-suggestions-title {
        font-size: var(--font-size-md, 17px);
    }
    
    .suggestions-stats {
        flex-wrap: wrap;
        gap: var(--space-md, 16px);
    }
    
    .suggestions-table-header {
        display: none;
    }
    
    .metric-match-section {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm, 8px);
        padding: var(--space-md, 16px);
    }
    
    .metric-checkbox-cell {
        position: absolute;
        top: var(--space-md, 16px);
        right: var(--space-md, 16px);
    }
    
    .metric-match-section {
        position: relative;
        padding-right: 48px;
    }
    
    .metric-original-cell,
    .metric-suggested-cell,
    .metric-confidence-cell,
    .metric-value-cell {
        width: 100%;
    }
    
    .metric-value-cell {
        text-align: left;
    }
    
    .suggestion-reason {
        grid-column: 1 / -1;
    }
    
    .modal-footer-left,
    .modal-footer-right {
        width: 100%;
    }
    
    .metric-suggestions-footer {
        flex-direction: column;
        gap: var(--space-sm, 8px);
    }
    
    .modal-footer-right {
        justify-content: flex-end;
    }
}