/**
 * ВоенСчёт FAQ — Frontend Styles v2.0.0
 * Совместимо с темой voenschet (использует CSS custom properties)
 */

/* ==================== FAQ Section ==================== */
.vs-faq {
    margin: 2rem 0;
}

.vs-faq__title {
    margin-bottom: 1.5rem;
    font-family: var(--font-heading, "Trebuchet MS", Arial, sans-serif);
    font-size: var(--text-2xl, 1.5rem);
    font-weight: 700;
    color: var(--c-text, #212529);
}

/* ==================== FAQ Item (Accordion) ==================== */
.vs-faq__item {
    margin-bottom: 0.5rem;
    border: 1px solid var(--c-border, #dee2e6);
    border-radius: var(--r, 0.5rem);
    background: var(--c-surface, #fff);
    overflow: hidden;
    transition: box-shadow var(--tr-fast, 0.15s);
}

.vs-faq__item:hover {
    box-shadow: var(--sh-sm, 0 1px 3px rgba(0,0,0,0.1));
}

.vs-faq__item[open] {
    border-color: var(--c-primary, #0d3a7a);
    box-shadow: var(--sh, 0 4px 6px rgba(0,0,0,0.07));
}

/* ==================== Question (Summary) ==================== */
.vs-faq__q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    font-family: var(--font-heading, "Trebuchet MS", Arial, sans-serif);
    font-size: var(--text-base, 1rem);
    font-weight: 600;
    color: var(--c-text, #212529);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background var(--tr-fast, 0.15s), color var(--tr-fast, 0.15s);
}

.vs-faq__q::-webkit-details-marker {
    display: none;
}

/* Arrow indicator */
.vs-faq__q::after {
    content: '';
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%230d3a7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;
    transition: transform var(--tr, 0.3s);
}

.vs-faq__item[open] .vs-faq__q::after {
    transform: rotate(180deg);
}

.vs-faq__q:hover {
    background: var(--c-primary-light, #e7f1ff);
    color: var(--c-primary, #0d3a7a);
}

.vs-faq__item[open] .vs-faq__q {
    background: var(--c-primary, #0d3a7a);
    color: var(--c-white, #fff);
}

.vs-faq__item[open] .vs-faq__q::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* ==================== Answer ==================== */
.vs-faq__a {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--tr, 0.3s) ease-out;
}

.vs-faq__item[open] .vs-faq__a {
    grid-template-rows: 1fr;
}

.vs-faq__a > div {
    overflow: hidden;
}

.vs-faq__a-content {
    padding: 1rem 1.25rem 1.25rem;
    font-size: var(--text-base, 1rem);
    line-height: var(--leading-relaxed, 1.625);
    color: var(--c-text-light, #525252);
}

.vs-faq__a-content p {
    margin: 0 0 0.75rem;
}

.vs-faq__a-content p:last-child {
    margin-bottom: 0;
}

.vs-faq__a-content a {
    color: var(--c-primary, #0d3a7a);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.vs-faq__a-content a:hover {
    color: var(--c-primary-dark, #0a2d5f);
}

.vs-faq__a-content ul,
.vs-faq__a-content ol {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.vs-faq__a-content li {
    margin-bottom: 0.5rem;
}

/* ==================== Feedback Buttons ==================== */
.vs-faq__feedback {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--c-border-light, #e9ecef);
    background: var(--c-surface-alt, #f1f3f4);
}

.vs-faq__feedback-label {
    font-size: var(--text-sm, 0.875rem);
    color: var(--c-text-muted, #595959);
}

.vs-faq__feedback-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: var(--text-sm, 0.875rem);
    font-weight: 500;
    color: var(--c-text, #212529);
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #dee2e6);
    border-radius: var(--r-full, 9999px);
    cursor: pointer;
    transition: all var(--tr-fast, 0.15s);
}

.vs-faq__feedback-btn:hover {
    border-color: var(--c-primary, #0d3a7a);
    color: var(--c-primary, #0d3a7a);
}

.vs-faq__feedback-btn--up.voted,
.vs-faq__feedback-btn--up:active {
    background: var(--c-success, #28a745);
    border-color: var(--c-success, #28a745);
    color: var(--c-white, #fff);
}

.vs-faq__feedback-btn--down.voted,
.vs-faq__feedback-btn--down:active {
    background: var(--c-danger, #dc3545);
    border-color: var(--c-danger, #dc3545);
    color: var(--c-white, #fff);
}

.vs-faq__feedback-text {
    display: none;
}

@media (min-width: 576px) {
    .vs-faq__feedback-text {
        display: inline;
    }
}

/* ==================== Stats Block ==================== */
.vs-faq__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--c-primary-light, #e7f1ff) 0%, var(--c-surface, #fff) 100%);
    border: 1px solid var(--c-border, #dee2e6);
    border-radius: var(--r, 0.5rem);
}

.vs-faq__stats-item {
    font-size: var(--text-sm, 0.875rem);
    font-weight: 500;
    color: var(--c-text, #212529);
}

/* ==================== FAQ Group (Collector) ==================== */
.vs-faq-group {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--c-border-light, #e9ecef);
}

.vs-faq-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.vs-faq-group__figure {
    margin: 0 0 1rem;
}

.vs-faq-group__image-link {
    display: block;
    border-radius: var(--r, 0.5rem);
    overflow: hidden;
}

.vs-faq-group__image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--r, 0.5rem);
    transition: transform var(--tr, 0.3s);
}

.vs-faq-group__image-link:hover .vs-faq-group__image {
    transform: scale(1.02);
}

.vs-faq-group__title {
    margin: 0 0 0.5rem;
    font-family: var(--font-heading, "Trebuchet MS", Arial, sans-serif);
    font-size: var(--text-xl, 1.25rem);
    font-weight: 600;
}

.vs-faq-group__title a {
    color: var(--c-primary, #0d3a7a);
    text-decoration: none;
}

.vs-faq-group__title a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.vs-faq-group__meta {
    margin-bottom: 1rem;
    font-size: var(--text-sm, 0.875rem);
    color: var(--c-text-muted, #595959);
}

.vs-faq-group__meta a {
    color: var(--c-primary, #0d3a7a);
}

/* ==================== CTA Button ==================== */
.vs-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: var(--text-base, 1rem);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--r, 0.5rem);
    transition: all var(--tr-fast, 0.15s);
    cursor: pointer;
}

.vs-cta--primary {
    background: var(--c-primary, #0d3a7a);
    color: var(--c-white, #fff);
    border: 2px solid var(--c-primary, #0d3a7a);
}

.vs-cta--primary:hover {
    background: var(--c-primary-dark, #0a2d5f);
    border-color: var(--c-primary-dark, #0a2d5f);
    color: var(--c-white, #fff);
}

.vs-cta--secondary {
    background: var(--c-secondary, #6c757d);
    color: var(--c-white, #fff);
    border: 2px solid var(--c-secondary, #6c757d);
}

.vs-cta--secondary:hover {
    background: var(--c-secondary-dark, #495057);
    border-color: var(--c-secondary-dark, #495057);
    color: var(--c-white, #fff);
}

.vs-cta--outline {
    background: transparent;
    color: var(--c-primary, #0d3a7a);
    border: 2px solid var(--c-primary, #0d3a7a);
}

.vs-cta--outline:hover {
    background: var(--c-primary, #0d3a7a);
    color: var(--c-white, #fff);
}

.vs-cta__icon {
    display: flex;
    align-items: center;
}

.vs-cta__icon svg {
    width: 1rem;
    height: 1rem;
}

/* ==================== Print Styles ==================== */
@media print {
    .vs-faq__item {
        break-inside: avoid;
    }
    
    .vs-faq__item[open] .vs-faq__a {
        grid-template-rows: 1fr;
    }
    
    .vs-faq__feedback {
        display: none;
    }
    
    .vs-faq__q::after {
        display: none;
    }
}

/* ==================== Dark Mode Support ==================== */
@media (prefers-color-scheme: dark) {
    .vs-faq__item {
        background: #1a1a1a;
        border-color: #333;
    }
    
    .vs-faq__q {
        color: #e5e5e5;
    }
    
    .vs-faq__q:hover {
        background: rgba(13, 58, 122, 0.2);
    }
    
    .vs-faq__a-content {
        color: #b3b3b3;
    }
    
    .vs-faq__feedback {
        background: #0d0d0d;
        border-color: #333;
    }
    
    .vs-faq__feedback-btn {
        background: #1a1a1a;
        border-color: #444;
        color: #e5e5e5;
    }
}

/* ==================== Accessibility ==================== */
.vs-faq__q:focus-visible {
    outline: 3px solid var(--c-primary, #0d3a7a);
    outline-offset: 2px;
}

.vs-faq__feedback-btn:focus-visible {
    outline: 3px solid var(--c-primary, #0d3a7a);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .vs-faq__item,
    .vs-faq__q,
    .vs-faq__q::after,
    .vs-faq__a,
    .vs-faq__feedback-btn,
    .vs-faq-group__image,
    .vs-cta {
        transition: none;
    }
    
    .vs-faq__a {
        display: block;
    }
    
    .vs-faq__a > div {
        overflow: visible;
    }
}