/* ==========================================================================
   Balance of Payments Calculator Styles
   Scoped to .bop-calculator wrapper
   ========================================================================== */

.bop-calculator {
    --bop-primary: #2563eb;
    --bop-primary-dark: #1e40af;
    --bop-surplus: #15803d;
    --bop-surplus-bg: #dcfce7;
    --bop-surplus-text: #14532d;
    --bop-deficit: #ef4444;
    --bop-deficit-bg: #fee2e2;
    --bop-deficit-text: #991b1b;
    --bop-warning: #eab308;
    --bop-warning-bg: #fef9c3;
    --bop-balanced: #2563eb;
    --bop-balanced-bg: #eff6ff;
    --bop-neutral: #6b7280;
    --bop-neutral-bg: #f3f4f6;
}

/* Animations */
@keyframes bopAnimateFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bop-calculator .calculator-card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
    animation: bopAnimateFadeInUp 0.5s ease forwards;
}

/* Staggered animation delays - left column */
.bop-calculator .col-lg-5 .calculator-card:nth-child(1) { animation-delay: 0ms; }
.bop-calculator .col-lg-5 .calculator-card:nth-child(2) { animation-delay: 100ms; }
.bop-calculator .col-lg-5 .calculator-card:nth-child(3) { animation-delay: 200ms; }

/* Staggered animation delays - right column */
.bop-calculator .col-lg-7 .calculator-card:nth-child(1) { animation-delay: 50ms; }
.bop-calculator .col-lg-7 .calculator-card:nth-child(2) { animation-delay: 150ms; }
.bop-calculator .col-lg-7 .calculator-card:nth-child(3) { animation-delay: 250ms; }
.bop-calculator .col-lg-7 .calculator-card:nth-child(4) { animation-delay: 350ms; }
.bop-calculator .col-lg-7 .calculator-card:nth-child(5) { animation-delay: 450ms; }

/* Educational and FAQ animations */
.bop-calculator .educational-section { animation-delay: 300ms; }
.bop-calculator .faq-section .accordion-item:nth-child(1) { animation-delay: 350ms; }
.bop-calculator .faq-section .accordion-item:nth-child(2) { animation-delay: 400ms; }
.bop-calculator .faq-section .accordion-item:nth-child(3) { animation-delay: 450ms; }
.bop-calculator .faq-section .accordion-item:nth-child(4) { animation-delay: 500ms; }
.bop-calculator .faq-section .accordion-item:nth-child(5) { animation-delay: 550ms; }
.bop-calculator .faq-section .accordion-item:nth-child(6) { animation-delay: 600ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .bop-calculator .calculator-card,
    .bop-calculator .educational-section,
    .bop-calculator .faq-section .accordion-item {
        animation: none;
        opacity: 1;
        transform: none;
    }
    .bop-calculator .calculator-card:hover {
        transform: none;
    }
}

/* Hero Section */
.bop-calculator .hero-section {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 3rem 0;
}

.bop-calculator .hero-section h1 {
    font-weight: 700;
    font-size: 2.5rem;
    color: white;
}

.bop-calculator .hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Card Headers */
.bop-calculator .card-header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    border-bottom: none;
    padding: 0.75rem 1.25rem;
}

.bop-calculator .card-header h2,
.bop-calculator .card-header h3,
.bop-calculator .card-header h5 {
    color: white;
}

.bop-calculator .card-header .btn-link {
    color: white;
    box-shadow: none;
}

.bop-calculator .card-header .btn-link:hover,
.bop-calculator .card-header .btn-link:focus {
    color: rgba(255, 255, 255, 0.9);
    box-shadow: none;
    outline: none;
}

/* Input Group Headings */
.bop-calculator .bop-group-heading {
    color: var(--bop-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bop-balanced-bg);
}

.bop-calculator .bop-group-heading:first-of-type {
    margin-top: 0;
}

.bop-calculator .bop-input-group {
    margin-bottom: 0.5rem;
}

/* Tooltips */
.bop-calculator .bop-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bop-primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    cursor: help;
    position: relative;
    vertical-align: middle;
    margin-left: 4px;
}

.bop-calculator .bop-tooltip::before,
.bop-calculator .bop-tooltip::after {
    display: none;
    position: absolute;
    z-index: 1000;
}

.bop-calculator .bop-tooltip::after {
    content: attr(data-tooltip);
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    white-space: normal;
    width: max-content;
    max-width: 240px;
    line-height: 1.4;
    text-align: left;
}

.bop-calculator .bop-tooltip::before {
    content: '';
    bottom: calc(100% + 3px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
}

.bop-calculator .bop-tooltip:hover::before,
.bop-calculator .bop-tooltip:hover::after {
    display: block;
}

/* Form Inputs */
.bop-calculator .form-control:focus {
    border-color: var(--bop-primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.bop-calculator .input-group-text {
    background-color: #f8fafc;
    font-weight: 600;
    color: #475569;
}

/* Result Display */
.bop-calculator .result-display {
    text-align: center;
    padding: 1rem 0;
}

.bop-calculator .result-value-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.bop-calculator .result-label {
    font-size: 0.875rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.bop-calculator .result-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--bop-primary);
    line-height: 1.1;
}

/* Status Badges */
.bop-calculator .bop-status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.bop-calculator .bop-badge-surplus {
    background-color: var(--bop-surplus-bg);
    color: var(--bop-surplus-text);
}

.bop-calculator .bop-badge-deficit {
    background-color: var(--bop-deficit-bg);
    color: var(--bop-deficit-text);
}

.bop-calculator .bop-badge-balanced {
    background-color: var(--bop-balanced-bg);
    color: var(--bop-primary);
}

.bop-calculator .bop-badge-warning {
    background-color: var(--bop-warning-bg);
    color: #92400e;
}

.bop-calculator .bop-badge-neutral {
    background-color: var(--bop-neutral-bg);
    color: var(--bop-neutral);
}

/* Secondary Results */
.bop-calculator .secondary-result {
    text-align: center;
    padding: 0.75rem 0.5rem;
    border-radius: 8px;
    background: #f8fafc;
    margin-bottom: 0.5rem;
}

.bop-calculator .secondary-label {
    display: block;
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.25rem;
}

.bop-calculator .secondary-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.bop-calculator .secondary-value.surplus {
    color: var(--bop-surplus);
}

.bop-calculator .secondary-value.deficit {
    color: var(--bop-deficit);
}

/* Summary Table */
.bop-calculator .bop-summary-table {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.bop-calculator .bop-summary-table thead th {
    background: #f8fafc;
    border-bottom: 2px solid #e2e8f0;
    font-weight: 600;
    color: #475569;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.bop-calculator .bop-summary-table td {
    vertical-align: middle;
    padding: 0.5rem 0.75rem;
}

.bop-calculator .bop-row-total {
    background-color: #f1f5f9 !important;
    font-weight: 700;
    border-top: 2px solid #cbd5e1;
}

.bop-calculator .bop-row-grand-total {
    background-color: #e2e8f0 !important;
    font-weight: 700;
    border-top: 3px solid #94a3b8;
}

.bop-calculator .bop-table-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

/* Chart Containers */
.bop-calculator .bop-chart-container {
    position: relative;
    height: 250px;
}

.bop-calculator .bop-chart-waterfall {
    height: 300px;
}

/* Formula Reference */
.bop-calculator .formula-reference .formula-main {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.1rem;
    padding: 0.75rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-weight: 600;
}

.bop-calculator .formula-legend {
    text-align: center;
    color: #64748b;
}

/* Author Badge */
.bop-calculator .calculator-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bop-calculator .author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.bop-calculator .author-info {
    display: flex;
    flex-direction: column;
}

.bop-calculator .author-label {
    font-size: 0.75rem;
    color: #64748b;
}

.bop-calculator .author-name {
    font-weight: 600;
    color: var(--bop-primary);
    text-decoration: none;
}

.bop-calculator .author-name:hover {
    text-decoration: underline;
}

/* Disclaimer */
.bop-calculator .disclaimer {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 1.25rem;
    border-radius: 0 8px 8px 0;
}

.bop-calculator .disclaimer h5 {
    color: #92400e;
    margin-bottom: 0.5rem;
}

.bop-calculator .disclaimer p {
    color: #78350f;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Related Calculator Cards */
.bop-calculator .related-calc-card {
    text-decoration: none;
    color: inherit;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bop-calculator .related-calc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.bop-calculator .related-calc-icon {
    font-size: 2rem;
    color: var(--bop-primary);
    margin-bottom: 0.75rem;
}

.bop-calculator .related-calc-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.bop-calculator .related-calc-desc {
    font-size: 0.85rem;
    color: #64748b;
    flex-grow: 1;
}

.bop-calculator .related-calc-cta {
    font-size: 0.85rem;
    color: var(--bop-primary);
    font-weight: 600;
}

/* Breadcrumb */
.bop-calculator .breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 0;
    font-size: 0.875rem;
}

.bop-calculator .breadcrumb a {
    color: var(--bop-primary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 991px) {
    .bop-calculator .hero-section {
        padding: 2rem 0;
    }

    .bop-calculator .hero-section h1 {
        font-size: 2rem;
    }

    .bop-calculator .result-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 767px) {
    .bop-calculator .hero-section h1 {
        font-size: 1.75rem;
    }

    .bop-calculator .result-value {
        font-size: 2rem;
    }

    .bop-calculator .secondary-value {
        font-size: 1.1rem;
    }

    .bop-calculator .bop-chart-container {
        height: 220px;
    }

    .bop-calculator .bop-chart-waterfall {
        height: 260px;
    }
}

@media (max-width: 576px) {
    .bop-calculator .hero-section {
        padding: 1.5rem 0;
    }

    .bop-calculator .card-body {
        padding: 0.75rem;
    }

    .bop-calculator .result-value {
        font-size: 1.75rem;
    }

    .bop-calculator .secondary-value {
        font-size: 1rem;
    }

    .bop-calculator .bop-chart-container {
        height: 200px;
    }

    .bop-calculator .bop-chart-waterfall {
        height: 240px;
    }
}