/**
 * VSM FAQ Stylesheet
 * 
 * Componentes semânticos, acessíveis e responsivos para o módulo de Perguntas Frequentes.
 * Paleta corporativa VSM: Verde Floresta, Verde Claro, Neutros Naturais.
 * 
 * @package VSM_Ambiental_Core
 * @version 1.0.0
 */

:root {
    --vsm-faq-primary: #005c31;
    --vsm-faq-dark: #003820;
    --vsm-faq-light: #b8cf23;
    --vsm-faq-accent: #d73c29;
    --vsm-faq-ink: #173027;
    --vsm-faq-muted: #526b62;
    --vsm-faq-border: #e2e8f0;
    --vsm-faq-border-focus: #005c31;
    --vsm-faq-bg-card: #ffffff;
    --vsm-faq-bg-soft: #f4f7f5;
    --vsm-faq-bg-callout: #f0f7f3;
    --vsm-faq-radius-sm: 8px;
    --vsm-faq-radius-md: 12px;
    --vsm-faq-radius-lg: 16px;
    --vsm-faq-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --vsm-faq-shadow-md: 0 4px 12px rgba(0, 56, 32, 0.08);
    --vsm-faq-shadow-lg: 0 10px 24px rgba(0, 56, 32, 0.12);
    --vsm-faq-transition: 0.25s ease;
}

/* Container & Wrapper */
.vsm-faq-page-wrapper {
    background-color: #fafbfc;
    color: var(--vsm-faq-ink);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 60vh;
}

.vsm-faq-container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.vsm-faq-content-area {
    padding-top: 48px;
    padding-bottom: 80px;
}

/* Hero Section */
.vsm-faq-hero {
    background: linear-gradient(135deg, #003820 0%, #005c31 100%);
    color: #ffffff;
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}

.vsm-faq-hero-single {
    padding: 50px 0 40px;
}

.vsm-faq-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184, 207, 35, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.vsm-faq-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.vsm-faq-breadcrumbs a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color var(--vsm-faq-transition);
}

.vsm-faq-breadcrumbs a:hover,
.vsm-faq-breadcrumbs a:focus-visible {
    color: var(--vsm-faq-light);
    text-decoration: underline;
}

.vsm-faq-bc-sep {
    opacity: 0.5;
}

.vsm-faq-hero-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(184, 207, 35, 0.2);
    color: var(--vsm-faq-light);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 9999px;
    margin-bottom: 14px;
}

.vsm-faq-hero-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 16px 0;
    color: #ffffff;
}

.vsm-faq-single-title {
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    margin: 12px 0 16px 0;
    color: #ffffff;
}

.vsm-faq-hero-desc {
    font-size: 1.125rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.88);
    max-width: 760px;
    margin: 0;
}

.vsm-faq-single-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 12px;
}

.vsm-faq-hero-badge {
    margin-bottom: 8px;
    display: inline-block;
}

/* Live Search Box */
.vsm-faq-search-wrapper {
    margin-bottom: 32px;
}

.vsm-faq-search-inner {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 800px;
    background: #ffffff;
    border: 2px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-md);
    box-shadow: var(--vsm-faq-shadow-sm);
    transition: border-color var(--vsm-faq-transition), box-shadow var(--vsm-faq-transition);
}

.vsm-faq-search-inner:focus-within {
    border-color: var(--vsm-faq-primary);
    box-shadow: 0 0 0 4px rgba(0, 92, 49, 0.12);
}

.vsm-faq-search-icon {
    padding-left: 18px;
    display: flex;
    align-items: center;
    color: var(--vsm-faq-muted);
}

.vsm-faq-search-input {
    width: 100%;
    padding: 16px 16px 16px 14px;
    border: none;
    outline: none;
    font-size: 16px;
    color: var(--vsm-faq-ink);
    background: transparent;
}

.vsm-faq-search-input::placeholder {
    color: #94a3b8;
}

.vsm-faq-search-clear {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    transition: color var(--vsm-faq-transition);
}

.vsm-faq-search-clear:hover,
.vsm-faq-search-clear:focus-visible {
    color: var(--vsm-faq-ink);
}

.vsm-faq-search-status {
    font-size: 13px;
    color: var(--vsm-faq-muted);
    margin-top: 8px;
    min-height: 20px;
}

/* Category Filter Pills */
.vsm-faq-categories-nav {
    margin-bottom: 32px;
}

.vsm-faq-category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.vsm-faq-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #ffffff;
    border: 1px solid var(--vsm-faq-border);
    border-radius: 9999px;
    color: var(--vsm-faq-muted);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--vsm-faq-transition);
}

.vsm-faq-pill:hover,
.vsm-faq-pill:focus-visible {
    border-color: var(--vsm-faq-primary);
    color: var(--vsm-faq-primary);
    background: var(--vsm-faq-bg-soft);
}

.vsm-faq-pill.active {
    background: var(--vsm-faq-primary);
    border-color: var(--vsm-faq-primary);
    color: #ffffff;
}

.vsm-faq-pill.active .vsm-faq-pill-count {
    opacity: 0.85;
}

.vsm-faq-pill-count {
    font-size: 12px;
    opacity: 0.65;
}

/* FAQ Accordion List */
.vsm-faq-accordion-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vsm-faq-item {
    background: var(--vsm-faq-bg-card);
    border: 1px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-md);
    box-shadow: var(--vsm-faq-shadow-sm);
    transition: border-color var(--vsm-faq-transition), box-shadow var(--vsm-faq-transition);
    overflow: hidden;
}

.vsm-faq-item:hover {
    border-color: #cbd5e1;
    box-shadow: var(--vsm-faq-shadow-md);
}

.vsm-faq-item.vsm-faq-is-featured {
    border-left: 4px solid var(--vsm-faq-light);
}

.vsm-faq-details {
    width: 100%;
}

.vsm-faq-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background-color var(--vsm-faq-transition);
}

/* Remove default marker in Webkit/Firefox */
.vsm-faq-summary::-webkit-details-marker {
    display: none;
}
.vsm-faq-summary::marker {
    display: none;
}

.vsm-faq-summary:hover {
    background-color: var(--vsm-faq-bg-soft);
}

.vsm-faq-summary:focus-visible {
    outline: 2px solid var(--vsm-faq-primary);
    outline-offset: -2px;
}

.vsm-faq-summary-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.vsm-faq-badge-category {
    display: inline-block;
    align-self: flex-start;
    padding: 3px 10px;
    background: rgba(0, 92, 49, 0.08);
    color: var(--vsm-faq-primary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-decoration: none;
}

.vsm-faq-question-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--vsm-faq-ink);
    line-height: 1.4;
}

.vsm-faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--vsm-faq-bg-soft);
    color: var(--vsm-faq-primary);
    flex-shrink: 0;
    transition: transform var(--vsm-faq-transition), background-color var(--vsm-faq-transition);
}

.vsm-faq-details[open] .vsm-faq-icon {
    transform: rotate(180deg);
    background-color: var(--vsm-faq-primary);
    color: #ffffff;
}

/* FAQ Answer Area */
.vsm-faq-answer {
    padding: 0 24px 24px 24px;
    border-top: 1px solid transparent;
}

.vsm-faq-details[open] .vsm-faq-answer {
    border-top-color: var(--vsm-faq-border);
    padding-top: 20px;
}

.vsm-faq-answer-inner {
    font-size: 1rem;
    line-height: 1.7;
    color: #334155;
}

.vsm-faq-short-answer,
.vsm-faq-short-answer-callout {
    background-color: var(--vsm-faq-bg-callout);
    border-left: 4px solid var(--vsm-faq-primary);
    padding: 14px 18px;
    border-radius: 0 var(--vsm-faq-radius-sm) var(--vsm-faq-radius-sm) 0;
    margin-bottom: 18px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--vsm-faq-dark);
}

.vsm-faq-short-answer strong,
.vsm-faq-short-answer-callout strong {
    color: var(--vsm-faq-primary);
    display: block;
    margin-bottom: 4px;
}

.vsm-faq-body p {
    margin: 0 0 16px 0;
}

.vsm-faq-body p:last-child {
    margin-bottom: 0;
}

.vsm-faq-body ul, 
.vsm-faq-body ol {
    margin: 0 0 16px 20px;
    padding: 0;
}

.vsm-faq-body li {
    margin-bottom: 6px;
}

/* Metadata Footer */
.vsm-faq-meta-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px dashed var(--vsm-faq-border);
    font-size: 13px;
    color: var(--vsm-faq-muted);
}

.vsm-faq-meta-left {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.vsm-faq-meta-item a {
    color: var(--vsm-faq-primary);
    text-decoration: underline;
}

.vsm-faq-permalink-btn {
    color: var(--vsm-faq-primary);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: transform var(--vsm-faq-transition);
}

.vsm-faq-permalink-btn:hover {
    transform: translateX(3px);
}

/* Pagination */
.vsm-faq-pagination {
    margin-top: 48px;
    display: flex;
    justify-content: center;
}

.vsm-faq-pagination ul {
    display: flex;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.vsm-faq-pagination a,
.vsm-faq-pagination span.current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--vsm-faq-radius-sm);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid var(--vsm-faq-border);
    color: var(--vsm-faq-ink);
    background: #ffffff;
    transition: all var(--vsm-faq-transition);
}

.vsm-faq-pagination a:hover {
    border-color: var(--vsm-faq-primary);
    color: var(--vsm-faq-primary);
}

.vsm-faq-pagination span.current {
    background: var(--vsm-faq-primary);
    border-color: var(--vsm-faq-primary);
    color: #ffffff;
}

/* Single FAQ Layout */
.vsm-faq-single-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

.vsm-faq-single-article {
    background: #ffffff;
    border: 1px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-lg);
    padding: 40px;
    box-shadow: var(--vsm-faq-shadow-sm);
}

.vsm-faq-single-content {
    font-size: 1.075rem;
    line-height: 1.8;
    color: #334155;
    margin: 28px 0;
}

.vsm-faq-single-content p {
    margin-bottom: 20px;
}

.vsm-faq-callout-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--vsm-faq-primary);
    margin-bottom: 8px;
}

.vsm-faq-callout-text {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Review / Auditor Box */
.vsm-faq-review-box {
    background: var(--vsm-faq-bg-soft);
    border: 1px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-md);
    padding: 24px;
    margin-top: 36px;
}

.vsm-faq-review-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--vsm-faq-primary);
    margin-bottom: 16px;
}

.vsm-faq-review-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
}

.vsm-faq-review-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.vsm-faq-review-field {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    font-size: 14px;
}

.vsm-faq-review-label {
    color: var(--vsm-faq-muted);
}

.vsm-faq-review-val strong {
    color: var(--vsm-faq-ink);
}

.vsm-faq-source-link {
    color: var(--vsm-faq-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: underline;
    font-weight: 600;
}

/* Single CTA */
.vsm-faq-single-cta {
    background: linear-gradient(135deg, rgba(0, 92, 49, 0.05), rgba(184, 207, 35, 0.08));
    border: 1px solid rgba(0, 92, 49, 0.15);
    border-radius: var(--vsm-faq-radius-md);
    padding: 24px;
    margin-top: 36px;
    text-align: center;
}

.vsm-faq-single-cta p {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--vsm-faq-ink);
    margin: 0 0 16px 0;
}

.vsm-faq-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--vsm-faq-primary);
    color: #ffffff;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: background var(--vsm-faq-transition), transform var(--vsm-faq-transition);
}

.vsm-faq-cta-btn:hover,
.vsm-faq-cta-btn:focus-visible {
    background: var(--vsm-faq-dark);
    transform: translateY(-1px);
}

/* Sidebar Widgets */
.vsm-faq-sidebar-widget {
    background: #ffffff;
    border: 1px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-lg);
    padding: 28px;
    box-shadow: var(--vsm-faq-shadow-sm);
    position: sticky;
    top: 100px;
}

.vsm-faq-widget-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--vsm-faq-ink);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--vsm-faq-bg-soft);
}

.vsm-faq-related-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vsm-faq-related-link {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--vsm-faq-ink);
    text-decoration: none;
    transition: color var(--vsm-faq-transition);
}

.vsm-faq-related-link svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--vsm-faq-primary);
}

.vsm-faq-related-link:hover,
.vsm-faq-related-link:focus-visible {
    color: var(--vsm-faq-primary);
}

.vsm-faq-btn-outline {
    display: block;
    text-align: center;
    padding: 10px 16px;
    border: 1px solid var(--vsm-faq-border);
    border-radius: var(--vsm-faq-radius-sm);
    color: var(--vsm-faq-muted);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    transition: all var(--vsm-faq-transition);
}

.vsm-faq-btn-outline:hover,
.vsm-faq-btn-outline:focus-visible {
    border-color: var(--vsm-faq-primary);
    color: var(--vsm-faq-primary);
    background: var(--vsm-faq-bg-soft);
}

/* Empty state */
.vsm-faq-empty {
    text-align: center;
    padding: 60px 20px;
    background: #ffffff;
    border-radius: var(--vsm-faq-radius-lg);
    border: 1px dashed var(--vsm-faq-border);
}

.vsm-faq-empty p {
    font-size: 1.125rem;
    color: var(--vsm-faq-muted);
    margin-bottom: 20px;
}

.vsm-faq-btn-return {
    display: inline-block;
    padding: 10px 20px;
    background: var(--vsm-faq-primary);
    color: #ffffff;
    border-radius: var(--vsm-faq-radius-sm);
    text-decoration: none;
    font-weight: 600;
}

/* Themes: minimal, bordered, cards */
.vsm-faq-theme-minimal .vsm-faq-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--vsm-faq-border);
    border-radius: 0;
    box-shadow: none;
}
.vsm-faq-theme-minimal .vsm-faq-summary {
    padding-left: 0;
    padding-right: 0;
}
.vsm-faq-theme-minimal .vsm-faq-answer {
    padding-left: 0;
    padding-right: 0;
}

.vsm-faq-theme-bordered .vsm-faq-item {
    box-shadow: none;
    border: 2px solid var(--vsm-faq-border);
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .vsm-faq-single-layout {
        grid-template-columns: 1fr;
    }
    .vsm-faq-sidebar-widget {
        position: static;
        margin-top: 32px;
    }
}

@media (max-width: 640px) {
    .vsm-faq-summary {
        padding: 18px 16px;
    }
    .vsm-faq-question-title {
        font-size: 1.05rem;
    }
    .vsm-faq-answer {
        padding: 0 16px 18px 16px;
    }
    .vsm-faq-single-article {
        padding: 24px 18px;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}