/**
 * Model Validation Metrics Calculator Styles
 *
 * All styles scoped to .mvc-calculator wrapper.
 * Color scheme: Blue primary (#2563eb), no purple.
 *
 * @package Ryan_OConnell_Theme
 * @since 1.0.0
 */

/* === CSS Variables === */
.mvc-calculator {
    --mvc-primary: #2563eb;
    --mvc-primary-dark: #1e40af;
    --mvc-excellent: #15803d;
    --mvc-excellent-bg: #dcfce7;
    --mvc-good: #22c55e;
    --mvc-good-bg: #dcfce7;
    --mvc-moderate: #eab308;
    --mvc-moderate-bg: #fef9c3;
    --mvc-limited: #f59e0b;
    --mvc-limited-bg: #fef3c7;
    --mvc-minimal: #ef4444;
    --mvc-minimal-bg: #fee2e2;
}

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

/* === Hero Section === */
.mvc-calculator .hero-section {
    background: linear-gradient(135deg, var(--mvc-primary) 0%, var(--mvc-primary-dark) 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 0;
}

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

.mvc-calculator .hero-section p {
    color: white;
}

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

/* === Breadcrumb === */
.mvc-calculator .breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 0;
}

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

.mvc-calculator .breadcrumb-item a:hover {
    text-decoration: underline;
}

/* === Card Styles === */
.mvc-calculator .calculator-card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: mvcFadeInUp 0.5s ease-out;
}

.mvc-calculator .calculator-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.mvc-calculator .calculator-card .card-header {
    background: linear-gradient(135deg, var(--mvc-primary) 0%, var(--mvc-primary-dark) 100%);
    color: white;
    font-weight: 600;
    padding: 1rem 1.25rem;
    border-bottom: none;
}

.mvc-calculator .calculator-card .card-header h2,
.mvc-calculator .calculator-card .card-header h3,
.mvc-calculator .calculator-card .card-header .h5,
.mvc-calculator .calculator-card .card-header .h6 {
    color: white;
    margin-bottom: 0;
}

.mvc-calculator .calculator-card .card-body {
    padding: 1.5rem;
}

/* === Form Inputs === */
.mvc-calculator .form-label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.mvc-calculator .form-control,
.mvc-calculator .form-select {
    border-radius: 8px;
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.mvc-calculator .form-control:focus,
.mvc-calculator .form-select:focus {
    border-color: var(--mvc-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.mvc-calculator .form-control-lg {
    font-size: 1.1rem;
}

.mvc-calculator .input-group-text {
    background-color: #f3f4f6;
    border-color: #d1d5db;
    color: #6b7280;
}

.mvc-calculator .form-text {
    font-size: 0.8rem;
    color: #6b7280;
}

.mvc-calculator textarea.form-control {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
}

/* === Tooltip === */
.mvc-calculator .mvc-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background-color: #e5e7eb;
    color: #6b7280;
    border-radius: 50%;
    font-size: 10px;
    cursor: help;
    margin-left: 4px;
    position: relative;
}

.mvc-calculator .mvc-tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background-color: #1f2937;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    white-space: nowrap;
    max-width: 250px;
    white-space: normal;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mvc-calculator .mvc-tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1f2937;
}

/* === Results Display === */
.mvc-calculator .results-card {
    animation-delay: 0.1s;
}

.mvc-calculator .result-primary {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
}

.mvc-calculator .result-primary .result-label {
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.mvc-calculator .result-item {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background-color: #f9fafb;
    border-radius: 8px;
    text-align: center;
}

.mvc-calculator .result-item .result-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.mvc-calculator .result-item .result-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
}

/* === Status Badges === */
.mvc-calculator .mvc-status-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mvc-calculator .mvc-status-badge.excellent {
    background-color: var(--mvc-excellent-bg);
    color: var(--mvc-excellent);
}

.mvc-calculator .mvc-status-badge.good {
    background-color: var(--mvc-good-bg);
    color: var(--mvc-good);
}

.mvc-calculator .mvc-status-badge.moderate {
    background-color: var(--mvc-moderate-bg);
    color: var(--mvc-moderate);
}

.mvc-calculator .mvc-status-badge.limited {
    background-color: var(--mvc-limited-bg);
    color: var(--mvc-limited);
}

.mvc-calculator .mvc-status-badge.minimal {
    background-color: var(--mvc-minimal-bg);
    color: var(--mvc-minimal);
}

/* === Basel Zone Badges === */
.mvc-calculator .mvc-zone-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.mvc-calculator .mvc-zone-badge.green {
    background-color: #dcfce7;
    color: #15803d;
}

.mvc-calculator .mvc-zone-badge.yellow {
    background-color: #fef9c3;
    color: #a16207;
}

.mvc-calculator .mvc-zone-badge.red {
    background-color: #fee2e2;
    color: #b91c1c;
}

.mvc-calculator .mvc-zone-badge.na {
    background-color: #f3f4f6;
    color: #6b7280;
}

/* === Formula Box === */
.mvc-calculator .formula-box {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
}

.mvc-calculator .formula-box code {
    color: #1e40af;
    background: none;
    padding: 0;
}

/* === Formula Breakdown === */
.mvc-calculator .formula-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mvc-calculator .mvc-formula-step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: #f9fafb;
    border-radius: 8px;
    border-left: 3px solid var(--mvc-primary);
}

.mvc-calculator .mvc-step-label {
    font-size: 0.875rem;
    color: #6b7280;
}

.mvc-calculator .mvc-step-value {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    color: #1f2937;
    font-weight: 500;
}

/* === Interpretation === */
.mvc-calculator #mvc-interpretation {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #374151;
}

.mvc-calculator #mvc-interpretation p {
    margin-bottom: 0.75rem;
}

.mvc-calculator #mvc-interpretation p:last-child {
    margin-bottom: 0;
}

/* === Warning Box === */
.mvc-calculator .alert-warning {
    background-color: #fef3c7;
    border-color: #f59e0b;
    color: #92400e;
    border-radius: 8px;
}

.mvc-calculator .alert-info {
    background-color: #dbeafe;
    border-color: #3b82f6;
    color: #1e40af;
    border-radius: 8px;
}

/* === Educational Section === */
.mvc-calculator .educational-content h2,
.mvc-calculator .educational-content h3 {
    color: #1f2937;
}

.mvc-calculator .educational-content p {
    color: #4b5563;
    line-height: 1.7;
}

.mvc-calculator .educational-content ul {
    color: #4b5563;
}

/* === FAQ Accordion === */
.mvc-calculator .accordion-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.mvc-calculator .accordion-button {
    font-weight: 500;
    color: #1f2937;
    background-color: #f9fafb;
}

.mvc-calculator .accordion-button:not(.collapsed) {
    background-color: #eff6ff;
    color: var(--mvc-primary);
}

.mvc-calculator .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.mvc-calculator .accordion-body {
    color: #4b5563;
    line-height: 1.6;
}

/* === Author Badge === */
.mvc-calculator .author-badge {
    padding: 1rem;
    background-color: #f9fafb;
    border-radius: 12px;
    transition: background-color 0.2s ease;
}

.mvc-calculator .author-badge:hover {
    background-color: #f3f4f6;
}

.mvc-calculator .author-avatar {
    border-radius: 50%;
    object-fit: cover;
}

.mvc-calculator .author-name {
    font-weight: 600;
    color: #1f2937;
}

.mvc-calculator .author-title {
    font-size: 0.875rem;
}

/* === Related Cards === */
.mvc-calculator .related-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mvc-calculator .related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.mvc-calculator .related-card a {
    color: var(--mvc-primary);
    text-decoration: none;
}

.mvc-calculator .related-card a:hover {
    text-decoration: underline;
}

/* === Responsive Styles === */
@media (max-width: 991px) {
    .mvc-calculator .hero-section h1 {
        font-size: 2rem;
    }

    .mvc-calculator .result-item .result-value {
        font-size: 1.1rem;
    }
}

@media (max-width: 767px) {
    .mvc-calculator .hero-section {
        padding: 2rem 0;
    }

    .mvc-calculator .hero-section h1 {
        font-size: 1.75rem;
    }

    .mvc-calculator .calculator-card .card-body {
        padding: 1rem;
    }

    .mvc-calculator .result-primary {
        padding: 1rem;
    }

    .mvc-calculator .mvc-status-badge {
        font-size: 1rem;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 576px) {
    .mvc-calculator .hero-section h1 {
        font-size: 1.5rem;
    }

    .mvc-calculator .hero-section .lead {
        font-size: 1rem;
    }

    .mvc-calculator .result-item .result-value {
        font-size: 1rem;
    }

    .mvc-calculator .mvc-formula-step {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .mvc-calculator .mvc-step-value {
        font-size: 0.8rem;
    }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    .mvc-calculator .calculator-card,
    .mvc-calculator .related-card {
        animation: none;
        transition: none;
    }

    .mvc-calculator .calculator-card:hover,
    .mvc-calculator .related-card:hover {
        transform: none;
    }
}

/* === Visually Hidden (Screen Reader Only) === */
.mvc-calculator .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}