/**
 * NIS2 Portugal - FAQ Page Styles
 * Professional styling for FAQ search, filters, and accordion
 */

/* ===================================
   FAQ Search Container
   =================================== */
.faq-search-container {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%) !important;
    padding: 64px 0;
    margin-bottom: 0;
    position: relative;
    width: 100%;
}

.faq-search-box {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.faq-search-input {
    width: 100%;
    padding: var(--space-lg) var(--space-xl) var(--space-lg) 60px;
    font-size: var(--font-size-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.faq-search-input:focus {
    outline: none;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(8, 145, 178, 0.3);
    transform: translateY(-2px);
}

.faq-search-input::placeholder {
    color: var(--text-light);
}

.faq-search-icon {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-2xl);
    opacity: 0.5;
    pointer-events: none;
    color: var(--text);
}

.faq-search-clear {
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    padding: var(--space-sm);
    color: var(--text-light);
    opacity: 0.6;
}

.faq-search-clear:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
    color: var(--error);
}

/* ===================================
   Category Filter Buttons
   =================================== */
.faq-filter-container {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-xl);
    padding: 32px 0;
    background-color: var(--bg-gray);
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-filter-btn {
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    cursor: pointer;
    font-family: var(--font-family);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.faq-filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.faq-filter-btn.active {
    background: linear-gradient(135deg, var(--accent) 0%, #0E7490 100%);
    color: var(--bg);
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.4);
    transform: translateY(-2px);
    font-weight: 700;
}

.faq-filter-btn .count {
    margin-left: var(--space-xs);
    opacity: 0.8;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.08);
    padding: 2px 6px;
    border-radius: 10px;
}

.faq-filter-btn.active .count {
    background: rgba(255, 255, 255, 0.25);
    opacity: 1;
}

/* ===================================
   FAQ Controls
   =================================== */
.faq-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
}

.faq-results-count {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.faq-expand-controls {
    display: flex;
    gap: var(--space-sm);
}

.faq-expand-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.faq-expand-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ===================================
   FAQ Category Sections
   =================================== */
.faq-category-section {
    margin-bottom: 48px;
    background: var(--bg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid var(--border);
}

.faq-category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-bottom: 3px solid var(--border);
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg) 100%);
}

.faq-category-header:hover {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 116, 144, 0.03) 100%);
}

.faq-category-section.collapsed .faq-category-header {
    margin-bottom: 0;
    border-bottom: none;
}

.faq-category-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.faq-category-title {
    font-size: 28px !important;
    font-weight: 700 !important;
    margin: 0;
    flex: 1;
    color: var(--primary);
    line-height: 1.3;
}

.faq-category-count {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: rgba(8, 145, 178, 0.12);
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid rgba(8, 145, 178, 0.2);
}

.faq-category-arrow {
    font-size: var(--font-size-xl);
    color: var(--accent);
    transition: transform var(--transition-base);
    margin-left: auto;
}

.faq-category-section.collapsed .faq-category-arrow {
    transform: rotate(-90deg);
}

/* Category items wrapper */
.faq-category-items {
    transition: max-height var(--transition-base) ease-out, opacity var(--transition-base) ease-out;
    max-height: 50000px;
    opacity: 1;
    overflow: visible;
    padding: 24px;
}

.faq-category-section.collapsed .faq-category-items {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0;
}

/* ===================================
   FAQ Accordion Items
   =================================== */
.faq-item {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.faq-item:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.15);
    transform: translateY(-2px);
}

.faq-item.hidden {
    display: none;
}

.faq-item.open {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.15);
    background: #FAFBFC;
}

/* FAQ Question Header */
.faq-question {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
    background: transparent;
}

.faq-question:hover {
    background: var(--bg-gray);
}

.faq-item.open .faq-question {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 116, 144, 0.03) 100%);
    border-bottom: 2px solid var(--border);
}

.faq-question-text {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

.faq-question-text .faq-number {
    color: var(--accent);
    margin-right: var(--space-sm);
    font-weight: 700;
}

.faq-question-icon {
    font-size: var(--font-size-lg);
    color: var(--accent);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.open .faq-question-icon {
    transform: rotate(180deg);
}

/* FAQ Answer Content */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base) ease-out;
}

.faq-item.open .faq-answer {
    max-height: 2000px;
    transition: max-height var(--transition-base) ease-in;
}

.faq-answer-content {
    padding: var(--space-xl);
    line-height: 1.8;
    color: var(--text);
}

.faq-answer-content p {
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-base);
    color: var(--text);
}

.faq-answer-content p:last-child {
    margin-bottom: 0;
}

.faq-answer-content strong {
    color: var(--primary);
    font-weight: 700;
}

.faq-answer-content mark {
    background-color: #FEF08A;
    color: var(--text);
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 500;
}

.faq-answer-content a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.faq-answer-content a:hover {
    color: #0E7490;
    border-bottom-color: #0E7490;
}

.faq-answer-content .consulte {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 2px solid var(--border);
    font-size: var(--font-size-sm);
    color: var(--text-light);
    background: var(--bg-gray);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    border-top: 3px solid var(--accent);
}

/* ===================================
   Category Badges
   =================================== */
.category-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius);
    margin-left: var(--space-sm);
}

.category-badge.legal {
    background: #FEE2E2;
    color: #991B1B;
}

.category-badge.tecnica {
    background: #DBEAFE;
    color: #1E3A8A;
}

.category-badge.financeira {
    background: #D1FAE5;
    color: #065F46;
}

.category-badge.rh {
    background: #E9D5FF;
    color: #6B21A8;
}

.category-badge.conformidade {
    background: #FED7AA;
    color: #92400E;
}

/* ===================================
   No Results Message
   =================================== */
.faq-no-results {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--bg-gray);
    border-radius: var(--border-radius-lg);
    margin: var(--space-2xl) 0;
}

.faq-no-results-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: var(--space-lg);
}

.faq-no-results h3 {
    color: var(--text);
    margin-bottom: var(--space-md);
}

.faq-no-results p {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-lg);
}

.faq-no-results ul {
    list-style: none;
    padding: 0;
    margin-top: var(--space-lg);
}

.faq-no-results ul li {
    color: var(--text-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xs);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .faq-search-container {
        padding: 48px 16px;
    }

    .faq-search-input {
        padding: var(--space-md) var(--space-lg) var(--space-md) 50px;
        font-size: var(--font-size-base);
    }

    .faq-search-icon {
        left: var(--space-md);
        font-size: var(--font-size-xl);
    }

    .faq-search-clear {
        right: var(--space-md);
    }

    .faq-filter-container {
        justify-content: flex-start;
        gap: var(--space-sm);
        padding: var(--space-lg) var(--space-md);
    }

    .faq-filter-btn {
        font-size: var(--font-size-sm);
        padding: var(--space-sm) var(--space-md);
        white-space: nowrap;
    }

    .faq-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .faq-category-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
        padding: var(--space-lg);
    }

    .faq-category-icon {
        font-size: var(--font-size-2xl);
    }

    .faq-category-title {
        font-size: 22px !important;
        font-weight: 700 !important;
    }

    .faq-category-items {
        padding: var(--space-md);
    }

    .faq-question {
        padding: var(--space-md) var(--space-lg);
    }

    .faq-question-text {
        font-size: var(--font-size-sm);
    }

    .faq-answer-content {
        padding: var(--space-lg);
    }

    .faq-expand-controls {
        width: 100%;
        justify-content: flex-end;
    }

    .faq-expand-btn {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .faq-search-input {
        padding: var(--space-sm) var(--space-md) var(--space-sm) 45px;
        font-size: var(--font-size-sm);
    }

    .faq-category-section {
        margin-bottom: var(--space-2xl);
    }

    .faq-item {
        margin-bottom: var(--space-sm);
    }

    .faq-no-results {
        padding: var(--space-xl);
    }

    .faq-no-results-icon {
        font-size: 3rem;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .faq-search-container,
    .faq-filter-container,
    .faq-controls {
        display: none;
    }

    .faq-item {
        page-break-inside: avoid;
        border: 1px solid #ddd;
        margin-bottom: var(--space-md);
    }

    .faq-answer {
        max-height: none !important;
        overflow: visible !important;
    }

    .faq-item.open .faq-question {
        background: none;
        border-bottom: none;
    }
}

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

/* Focus visible for keyboard navigation */
.faq-search-input:focus-visible,
.faq-filter-btn:focus-visible,
.faq-expand-btn:focus-visible,
.faq-question:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.faq-search-clear:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .faq-item {
        border-width: 2px;
    }

    .faq-filter-btn.active {
        border-width: 3px;
    }

    .faq-answer-content mark {
        background-color: yellow;
        color: black;
        font-weight: 700;
    }
}