/**
 * FAQ Accordion Component
 *
 * HTML5 <details>/<summary> based FAQ accordion.
 * Native browser support, no JavaScript required.
 * Accessible, keyboard-friendly, and SEO-friendly.
 *
 * Version: 1.2
 * Updated: 2025-11-02
 */

/* ========================================
   FAQ Accordion Container
   ======================================== */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ========================================
   FAQ Item (details element)
   ======================================== */
.faq-item {
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: var(--radius-md, 8px);
    padding: 16px;
    background: var(--color-white, #ffffff);
    transition: all 0.2s ease;
}

.faq-item:hover {
    background: var(--gray-50, #f9fafb);
    border-color: var(--gray-300, #d1d5db);
}

/* Open state */
.faq-item[open] {
    background: var(--gray-50, #f9fafb);
    border-color: var(--primary-color, #1988FF);
}

/* ========================================
   FAQ Question (summary element)
   ======================================== */
.faq-item summary {
    font-weight: 600;
    color: var(--gray-800, #1f2937);
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.faq-item summary:hover {
    color: var(--primary-color, #1988FF);
}

/* Remove default disclosure triangle */
.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::marker {
    display: none;
}

/* Custom arrow indicator */
.faq-item summary::before {
    content: '▶';
    display: inline-block;
    font-size: 0.8em;
    transition: transform 0.3s ease;
    color: var(--primary-color, #1988FF);
    flex-shrink: 0;
}

.faq-item[open] summary::before {
    transform: rotate(90deg);
}

/* Focus state for accessibility */
.faq-item summary:focus {
    outline: 2px solid var(--primary-color, #1988FF);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========================================
   FAQ Answer (content inside details)
   ======================================== */
.faq-item p {
    margin-top: 12px;
    margin-bottom: 0;
    color: var(--gray-700, #374151);
    line-height: 1.6;
    padding-left: 20px;
}

.faq-item p strong {
    color: var(--gray-800, #1f2937);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 768px) {
    .faq-accordion {
        gap: 10px;
    }

    .faq-item {
        padding: 14px;
    }

    .faq-item summary {
        font-size: 15px;
    }

    .faq-item p {
        font-size: 14px;
        margin-top: 10px;
        padding-left: 16px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .faq-accordion {
        gap: 8px;
    }

    .faq-item {
        padding: 12px;
    }

    .faq-item summary {
        font-size: 14px;
        gap: 6px;
    }

    .faq-item p {
        font-size: 13px;
        padding-left: 12px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .faq-item {
        border: 1px solid #000;
        page-break-inside: avoid;
        padding: 12px;
    }

    /* Show all FAQs when printing */
    .faq-item[open] summary::before,
    .faq-item summary::before {
        display: none;
    }

    .faq-item summary {
        font-weight: bold;
        margin-bottom: 8px;
    }

    .faq-item p {
        padding-left: 0;
    }
}

/* ========================================
   Accessibility Enhancements
   ======================================== */

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

    .faq-item[open] {
        border-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .faq-item summary::before {
        transition: none;
    }

    .faq-item {
        transition: none;
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Currently maintaining light theme for consistency */
    /* Can be enabled later if dark mode is implemented site-wide */
}