.faq-page {
    background-color: var(--bg-light);
}

/* Search bar FAQ */
.search-box-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 30px;
}
.search-box-container input {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
}
.search-box-container i {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}
/* Documents Grid */
.doc-search-bar {
    max-width: 600px;
    margin: 0 auto 25px;
}
.doc-search-bar input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.doc-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.doc-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-red);
}
.doc-icon {
    font-size: 2.5rem;
    color: #e53935;
    flex-shrink: 0;
}
.doc-info {
    flex: 1;
}
.doc-code {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 4px;
}
.doc-name {
    font-size: 0.95rem;
    color: var(--text-main);
    margin: 6px 0;
    line-height: 1.4;
}
.doc-date {
    font-size: 0.8rem;
    color: #888;
}
.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}
/* ==========================================================================
   FIX LỖI FAQ ACCORDION (Ấn vào hiện câu trả lời)
   ========================================================================== */
.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}
.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}
.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    background-color: #fff;
    transition: var(--transition);
}
.faq-question:hover {
    color: var(--primary-red);
    background-color: rgba(201, 0, 0, 0.02);
}
.faq-question i {
    transition: transform 0.3s ease;
    color: #666;
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary-red);
}

/* Định nghĩa vùng hiển thị câu trả lời */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    background-color: #fcfcfc;
    transition: max-height 0.4s ease, padding 0.4s ease;
    border-top: 1px solid transparent;
}
.faq-item.active .faq-answer {
    max-height: 300px; /* Đủ lớn để chứa nội dung câu trả lời */
    padding: 20px 25px;
    border-top-color: #eee;
}
.faq-answer p {
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* ==========================================================================
   NÂNG CẤP GIAO DIỆN FORM GÓP Ý & PHẢN HỒI (Modern Form)
   ========================================================================== */
.feedback-card-modern {
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 40px;
    border: 1px solid var(--border-color);
    max-width: 900px;
    margin: 0 auto;
}

.feedback-header {
    margin-bottom: 30px;
    border-bottom: 2px solid var(--bg-light);
    padding-bottom: 15px;
}

.feedback-header h2 {
    font-size: 1.6rem;
    color: var(--primary-red);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.feedback-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.feedback-card-modern .form-group {
    margin-bottom: 20px;
}

.feedback-card-modern label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.feedback-card-modern input[type="text"],
.feedback-card-modern input[type="email"],
.feedback-card-modern select,
.feedback-card-modern textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background-color: #fafafa;
    transition: all 0.3s ease;
}

.feedback-card-modern input:focus,
.feedback-card-modern select:focus,
.feedback-card-modern textarea:focus {
    border-color: var(--primary-red);
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(201, 0, 0, 0.08);
}

.feedback-card-modern textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    margin-top: 30px;
}

/* Responsive cho màn hình nhỏ */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .feedback-card-modern {
        padding: 20px;
    }
}