/* ===========================
   Calculator Modals
   Financial calculator modal shell and shared content patterns
   Matches upload mapper polish + simulation page hierarchy
=========================== */

/* --- Modal Shell --- */
.calculator-modal .modal-header.calculator-modal__header {
    border-bottom: 1px solid var(--border-subtle, var(--border-primary));
    padding: var(--modal-header-padding);
}

.calculator-modal .modal-body.calculator-modal__body {
    padding: var(--modal-body-padding);
    max-height: 70vh;
    overflow-y: auto;
}

.calculator-modal__title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.calculator-modal__title-icon {
    color: var(--brand-purple);
    font-size: 1.25rem;
}

.calculator-modal__title-text {
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.calculator-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.calculator-modal__footer-close {
    margin: 0;
}

/* --- Layout: stacked rows (form + results) --- */
.calculator-modal-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 100%;
}

.calculator-modal-form-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.calculator-modal-results-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

/* --- Results Card (distinct from inputs) --- */
.calculator-results-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--brand-purple);
    border-radius: 0;
    padding: 24px;
    overflow: hidden;
}

/* --- Section Headers --- */
.calculator-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.calculator-section-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.calculator-section-icon {
    width: 34px;
    height: 34px;
    border-radius: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    background-color: rgba(180, 100, 255, 0.15);
}

.calculator-section-icon--purple {
    background-color: rgba(180, 100, 255, 0.15);
}

.calculator-section-icon--green {
    background-color: rgba(5, 150, 105, 0.12);
}

.calculator-section-icon--amber {
    background-color: rgba(217, 119, 6, 0.12);
}

.calculator-section-icon--blue {
    background-color: rgba(59, 130, 246, 0.12);
}

.calculator-section-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
}

.calculator-section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 400;
}

/* --- Input Labels --- */
.calculator-field-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

/* --- Badges & Chips --- */
.calculator-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 0;
    margin-left: auto;
}

.calculator-badge--success {
    background-color: rgba(5, 150, 105, 0.12);
    color: var(--success-green);
}

.calculator-badge--info {
    background-color: rgba(59, 130, 246, 0.12);
    color: var(--info-blue);
}

.calculator-badge--warning {
    background-color: rgba(217, 119, 6, 0.12);
    color: var(--warning-yellow);
}

.calculator-badge--muted {
    background-color: var(--bg-quaternary);
    color: var(--text-muted);
}

.calculator-preview-card .calculator-badge {
    margin-bottom: 12px;
    display: inline-block;
}

.calculator-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 0;
    font-size: 0.7rem;
    font-weight: 600;
}

.calculator-chip--pos {
    background-color: rgba(5, 150, 105, 0.12);
    color: var(--success-green);
}

.calculator-chip--neg {
    background-color: rgba(220, 38, 38, 0.12);
    color: var(--error-red);
}

.calculator-chip--neutral {
    background-color: var(--bg-quaternary);
    color: var(--text-secondary);
}

/* --- Preview / Result Cards --- */
.calculator-preview-card {
    border: 1px solid var(--border-primary);
    border-radius: 0;
    padding: 24px;
    background-color: var(--bg-secondary);
    overflow: hidden;
}

.calculator-hero {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: 20px;
}

.calculator-hero-value {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    color: var(--brand-purple);
}

.calculator-hero-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.calculator-hero-sub {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Hero recommendation (bigger for important decisions) */
.calculator-hero-value--recommendation {
    font-size: 56px;
    letter-spacing: -1px;
}

/* Payoff order styling */
.calculator-payoff-order--avalanche {
    color: var(--brand-purple);
    font-weight: 600;
}

.calculator-payoff-order--snowball {
    color: var(--success-green);
    font-weight: 600;
}

/* Primary stat labels (for key metrics) */
.calculator-stat-label--primary {
    font-weight: 600;
    color: var(--text-primary);
}

/* Stat grouping divider */
.calculator-stat-group {
    border-top: 1px solid var(--border-subtle);
    padding-top: 16px;
    margin-top: 16px;
}

.calculator-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.calculator-stat-box {
    background-color: var(--bg-tertiary);
    border-radius: 0;
    padding: 12px;
}

.calculator-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.calculator-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 3px;
}

.calculator-stat-sub {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 1px;
}

.calculator-stat-value--success {
    color: var(--success-green) !important;
}

.calculator-stat-value--error {
    color: var(--error-red) !important;
}

/* --- Verdict Banner --- */
.calculator-verdict-banner {
    padding: 12px 16px;
    border-radius: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 16px;
}

.calculator-verdict-banner--success {
    background-color: rgba(5, 150, 105, 0.12);
    border-left: 4px solid var(--success-green);
    color: var(--success-green);
}

.calculator-verdict-banner--warning {
    background-color: rgba(217, 119, 6, 0.12);
    border-left: 4px solid var(--warning-yellow);
    color: var(--text-primary);
}

.calculator-verdict-banner--info {
    background-color: rgba(59, 130, 246, 0.12);
    border-left: 4px solid var(--info-blue);
    color: var(--info-blue);
}

/* --- Side-by-side comparison columns --- */
.calculator-comparison-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.calculator-comparison-column {
    padding: 12px;
    border-radius: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    text-align: center;
}

.calculator-comparison-column--winner {
    border: 3px solid var(--success-green);
    background-color: rgba(5, 150, 105, 0.08);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.15);
}

/* --- Three-column comparison --- */
.calculator-comparison-three {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.calculator-comparison-three .calculator-comparison-column {
    min-width: 0;
}

@media (max-width: 991px) {
    .calculator-comparison-three {
        grid-template-columns: 1fr;
    }
}

.calculator-comparison-column-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.calculator-comparison-column-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Dynamic grid columns for RRSP/TFSA winner */
.calculator-comparison-three--rrsp-wins {
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
}

.calculator-comparison-three--tfsa-wins {
    grid-template-columns: 0.9fr 1.2fr 0.9fr;
}

.calculator-comparison-three--fhsa-wins {
    grid-template-columns: 0.9fr 0.9fr 1.2fr;
}

/* --- Progress bar --- */
.calculator-progress-bar-wrap {
    margin: 12px 0;
}

.calculator-progress-bar-track {
    height: 8px;
    background-color: var(--bg-quaternary);
    border-radius: 0;
    overflow: hidden;
}

.calculator-progress-bar-fill {
    height: 100%;
    background-color: var(--brand-purple);
    transition: width 0.2s ease;
}

.calculator-progress-bar-fill--success {
    background-color: var(--success-green);
}

.calculator-progress-bar-fill--warning {
    background-color: var(--warning-yellow);
}

.calculator-progress-bar-fill--error {
    background-color: var(--error-red);
}

/* --- Insight / Context Box --- */
.calculator-insight-box {
    background-color: var(--bg-tertiary);
    border-top: 3px solid var(--brand-purple);
    border-radius: 0;
    padding: 12px 14px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 16px;
}

.calculator-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
}

.calculator-section-title--spaced {
    margin-top: 20px;
}

/* --- Empty State --- */
.calculator-empty-state {
    text-align: center;
    padding: 48px 24px;
}

.calculator-empty-state-icon {
    font-size: 48px;
    color: var(--brand-purple);
    opacity: 0.3;
    margin-bottom: 20px;
}

.calculator-empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.calculator-empty-state-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* --- Comparison grid --- */
.calculator-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .calculator-comparison-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Chart & Table Wrappers --- */
.calculator-chart-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-ui);
    border-radius: 0;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.calculator-chart-full-width {
    width: 100%;
}

.calculator-table-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-ui);
    border-radius: 0;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.calculator-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-ui);
    border-radius: 0;
}

.calculator-table-full-width {
    width: 100%;
}

/* --- RRSP/TFSA Optimizer: Flexibility Table --- */
.optimizer-flexibility-table {
    margin-top: 1.5rem;
    overflow-x: auto;
}

.optimizer-flexibility-table .table {
    --bs-table-bg: var(--bg-primary);
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-subtle);
}

.optimizer-flexibility-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.optimizer-flexibility-table .table th,
.optimizer-flexibility-table .table td {
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.optimizer-flexibility-table .table thead th {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
}

.optimizer-flexibility-table .table-hover tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* Break-even insight variant */
.calculator-insight-box--break-even {
    border-top-color: var(--info-blue);
}

/* --- Responsive --- */
@media (max-width: 991px) {
    .calculator-modal-layout {
        grid-template-columns: 1fr;
    }

    .calculator-modal-preview-column {
        position: static;
        order: -1; /* Results above inputs on smaller screens */
    }
}

@media (max-width: 768px) {
    .calculator-modal .modal-dialog {
        max-width: 100vw !important;
        margin: 0.5rem !important;
    }

    .calculator-modal .modal-body.calculator-modal__body {
        max-height: calc(100vh - 140px);
        padding: 16px;
    }

    .calculator-hero-value {
        font-size: 36px;
    }

    .calculator-stat-row {
        grid-template-columns: 1fr;
    }

    .calculator-chart-card {
        padding: var(--spacing-md);
        overflow-x: auto;
    }

    .calculator-table-wrap {
        -webkit-overflow-scrolling: touch;
    }
}