/* 
 * Power Delivery Calcs - Specific Brand Implementation
 * Engineering-focused styling with brand compliance
 * Author: Claude Code
 * Date: 2025
 */

/* ===================================
   POWER DELIVERY CALCS SPECIFIC STYLES
   =================================== */

/* Engineering Table Styles */
.parameters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.parameter-list {
    margin: 0;
}

.parameter-list dt {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium for parameter labels */
    font-size: 0.875rem;
    color: var(--brand-text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.parameter-list dd {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400; /* Roman for values */
    font-size: 1rem;
    color: var(--brand-text-primary);
    margin-bottom: var(--spacing-md);
    margin-left: 0;
}

/* Engineering Cards */
.card.engineering {
    border-left: 4px solid var(--brand-primary);
    transition: all var(--transition-normal);
}

.card.engineering:hover {
    border-left-color: var(--brand-primary-75);
    transform: translateY(-2px);
}

.card.engineering .card-header {
    background: linear-gradient(135deg, var(--brand-bg-secondary) 0%, var(--brand-bg-tertiary) 100%);
    border-bottom: 2px solid var(--brand-primary-25);
}

/* Calculation Results Styling */
.calculation-results {
    background: var(--brand-bg-primary);
    border: 1px solid var(--brand-border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.calculation-section {
    margin-bottom: var(--spacing-xl);
}

.calculation-section:last-child {
    margin-bottom: 0;
}

.calculation-title {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    font-size: 1.25rem;
    color: var(--brand-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--brand-primary-25);
}

.calculation-steps {
    background: var(--brand-bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.calculation-steps ol {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.calculation-steps li {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light */
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--brand-text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Engineering Units and Values */
.engineering-value {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400; /* Roman for values */
    font-variant-numeric: tabular-nums;
    color: var(--brand-text-primary);
}

.engineering-unit {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light for units */
    font-size: 0.85em;
    color: var(--brand-text-secondary);
    margin-left: 0.25em;
}

.engineering-warning {
    color: var(--brand-warning);
    font-weight: 500; /* Medium for emphasis */
}

.engineering-error {
    color: var(--brand-danger);
    font-weight: 500; /* Medium for emphasis */
}

.engineering-success {
    color: var(--brand-success);
    font-weight: 500; /* Medium for emphasis */
}

/* Scenario Comparison Tables */
.scenario-comparison {
    margin: var(--spacing-xl) 0;
}

.scenario-comparison .table {
    background: var(--brand-bg-primary);
    border: 1px solid var(--brand-border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--brand-shadow-sm);
}

.scenario-comparison .table th {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-75) 100%);
    color: var(--brand-white);
    font-weight: 500; /* Medium */
    border: none;
    padding: var(--spacing-md);
}

.scenario-comparison .table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--brand-border-light);
    vertical-align: middle;
}

.scenario-comparison .table tr:hover {
    background-color: var(--brand-primary-25);
}

/* Conductor Database Styling */
.conductor-card {
    border: 1px solid var(--brand-border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
    background: var(--brand-bg-primary);
}

.conductor-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--brand-shadow-md);
    transform: translateY(-1px);
}

.conductor-name {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    font-size: 1.1rem;
    color: var(--brand-primary);
    margin-bottom: var(--spacing-sm);
}

.conductor-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.conductor-spec {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light */
    font-size: 0.875rem;
    color: var(--brand-text-secondary);
}

.conductor-spec-value {
    font-weight: 400; /* Roman for values */
    color: var(--brand-text-primary);
}

/* Project Status Indicators */
.project-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-xl);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status.active {
    background-color: var(--brand-success);
    color: var(--brand-white);
}

.project-status.pending {
    background-color: var(--brand-yellow);
    color: var(--brand-text-primary);
}

.project-status.completed {
    background-color: var(--brand-blue-primary);
    color: var(--brand-white);
}

/* Chart and Visualization Enhancements */
.chart-container {
    background: var(--brand-bg-primary);
    border: 1px solid var(--brand-border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--brand-shadow-sm);
}

.chart-title {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    font-size: 1.25rem;
    color: var(--brand-text-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Engineering Form Enhancements */
.form-engineering .form-label {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    color: var(--brand-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.form-engineering .form-control,
.form-engineering .form-select {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light */
    border: 2px solid var(--brand-border-color);
    transition: all var(--transition-normal);
}

.form-engineering .form-control:focus,
.form-engineering .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(162, 12, 51, 0.1);
}

/* Engineering Calculations Grid */
.calculations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.calculation-card {
    background: var(--brand-bg-primary);
    border: 1px solid var(--brand-border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--brand-shadow-sm);
    transition: all var(--transition-normal);
}

.calculation-card:hover {
    box-shadow: var(--brand-shadow-lg);
    transform: translateY(-3px);
}

.calculation-card.primary {
    border-left: 4px solid var(--brand-primary);
}

.calculation-card.secondary {
    border-left: 4px solid var(--brand-blue-primary);
}

.calculation-card.tertiary {
    border-left: 4px solid var(--brand-orange);
}

/* PDF Report Button Styling */
.btn-report {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-75) 100%);
    color: var(--brand-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500; /* Medium */
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
}

.btn-report:hover {
    background: linear-gradient(135deg, var(--brand-primary-75) 0%, var(--brand-primary) 100%);
    color: var(--brand-white);
    transform: translateY(-2px);
    box-shadow: var(--brand-shadow-lg);
}

.btn-report i {
    margin-right: var(--spacing-xs);
}

/* Navigation Breadcrumbs */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-item {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light */
    font-size: 0.875rem;
}

.breadcrumb-item a {
    color: var(--brand-primary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--brand-primary-75);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--brand-text-secondary);
}

/* Footer Styling */
.footer {
    background: linear-gradient(135deg, var(--brand-gray-dark) 0%, var(--brand-gray-medium) 100%);
    color: var(--brand-white);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    border-top: 4px solid var(--brand-primary);
}

.footer p {
    margin: 0;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300; /* Light */
    font-size: 0.875rem;
    text-align: center;
}

/* ===================================
   RESPONSIVE ENGINEERING LAYOUTS
   =================================== */

@media (max-width: 768px) {
    .parameters-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .calculations-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .scenario-comparison .table {
        font-size: 0.75rem;
    }
    
    .scenario-comparison .table th,
    .scenario-comparison .table td {
        padding: var(--spacing-sm);
    }
    
    .conductor-specs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .calculation-results {
        padding: var(--spacing-md);
    }
    
    .calculation-title {
        font-size: 1.1rem;
    }
    
    .chart-container {
        padding: var(--spacing-md);
    }
}

/* ===================================
   ACCESSIBILITY ENHANCEMENTS
   =================================== */

/* Focus indicators for engineering forms */
.form-engineering .form-control:focus,
.form-engineering .form-select:focus,
.btn:focus {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --brand-border-color: #000000;
        --brand-text-secondary: #000000;
    }
    
    .card {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .btn:hover,
    .card:hover,
    .calculation-card:hover {
        transform: none;
    }
}