:root {
    --primary: #2584f8;
    --primary-dark: #1967d2;
    --primary-light: #e8f1fd;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --text-muted: #999;
    --border-color: #e8e8e8;
    --bg-light: #f5f7ff;
}

body {
    background: #fafbfc;
}

/* Hero Section */
.faq-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 20px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.faq-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    color: white;
}

.faq-hero p {
    font-size: 1rem;
    opacity: 0.95;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    color: white;
}

.faq-search {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: transparent;
}

.faq-search .input-group {
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    overflow: hidden;
    background: white;
}

.faq-search .form-control {
    padding: 16px 50px 16px 50px;
    border: none;
    font-size: 1rem;
    background: white;
    color: var(--text-primary);
    transition: all 0.3s ease;
    width: 100%;
}

.faq-search .form-control::placeholder {
    color: #bbb;
}

.faq-search .form-control:focus {
    outline: none;
    box-shadow: 0 8px 32px rgba(38, 130, 247, 0.2), inset 0 0 0 2px rgba(38, 130, 247, 0.1);
}

.faq-search .btn {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    padding: 12px 18px;
    border: none;
    background: transparent;
    color: #ccc;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.faq-search .btn:hover {
    background: rgba(38, 130, 247, 0.1);
    color: var(--primary);
}

.faq-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    z-index: 10;
    font-size: 1.1rem;
}

/* Container */
.faq-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px 50px;
}

@media (max-width: 768px) {
    .faq-wrapper {
        padding: 0 15px 50px;
    }
}

@media (max-width: 480px) {
    .faq-wrapper {
        padding: 0 10px 50px;
    }
}

/* Controls Bar */
.faq-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
    flex-wrap: wrap;
}

.role-buttons {
    display: flex;
    gap: 12px;
}

.role-btn {
    padding: 12px 28px;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.role-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.role-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.action-buttons {
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 10px 18px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* Main FAQ Container */
.faq-main {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Category Item */
.faq-category {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    background: white;
    transition: all 0.3s ease;
}

.faq-category:hover {
    border-color: var(--primary-light);
}

.faq-category .subcategories.open ~ .faq-category,
.faq-category.open {
    border-color: var(--primary);
}

.category-header {
    padding: 18px 20px;
    background: white;
    border: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    transition: all 0.3s ease;
    text-align: left;
}

.category-header:hover {
    background: #fafbfc;
}

.category-header.open {
    background: white;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.category-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 10px;
}

.category-toggle {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
    font-weight: 300;
}

.category-toggle.open {
    transform: rotate(45deg);
}

/* Subcategories Container */
.subcategories {
    display: none;
    padding: 12px;
    background: white;
}

.subcategories.open {
    display: block;
}

/* Subcategory Item */
.subcategory-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 0 0 12px 0;
    background: white;
    transition: all 0.3s ease;
    overflow: hidden;
}

.subcategory-item:last-child {
    margin-bottom: 0;
}

.subcategory-item:hover {
    border-color: var(--primary-light);
}

.subcategory-item.open {
    border-color: var(--primary);
}

/* Single Answer Subcategory Display */
.subcategory-item.single-answer {
    border: 1px solid var(--border-color);
    background: white;
}

.subcategory-item.single-answer.open {
    border-color: var(--primary);
}

.subcategory-item.single-answer .faqs {
    padding: 0;
    display: none;
}

.subcategory-item.single-answer .faqs.open {
    display: block;
    padding: 0;
}

.subcategory-item.single-answer .faq-item.single-answer {
    border: none;
    background: #fafbfc;
}

.subcategory-item.single-answer .faq-answer {
    padding: 0;
    background: transparent;
    border-top: none;
}

.subcategory-header {
    padding: 14px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: var(--text-secondary);
    background: white;
    border: none;
    width: 100%;
    transition: all 0.3s ease;
    text-align: left;
}

.subcategory-header:hover {
    background: #fafbfc;
    color: var(--primary);
}

.subcategory-header.open {
    background: #fafbfc;
}

.subcategory-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.subcategory-count {
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 8px;
}

.subcategory-toggle {
    font-size: 1.2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
    font-weight: 300;
}

.subcategory-toggle.open {
    transform: rotate(45deg);
}

/* FAQs Container */
.faqs {
    display: none;
    padding: 12px 12px;
    margin: 0;
}

.faqs.open {
    display: block;
}

/* FAQ Item */
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 0 0 12px 0;
    background: white;
    padding: 0;
    transition: all 0.3s ease;
    overflow: hidden;
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-item.open {
    border-color: var(--primary);
}

/* Single Answer Display */
.faq-item.single-answer {
    border: 1px solid var(--primary-light);
    background: white;
}

.faq-item.single-answer:hover {
    border-color: var(--primary);
}

.faq-item.single-answer.open {
    border-color: var(--primary);
}

.faq-question {
    padding: 14px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    color: var(--text-primary);
    background: white;
    border: none;
    width: 100%;
    transition: all 0.3s ease;
    text-align: left;
}

.faq-question:hover {
    color: var(--primary);
    background: #fafbfc;
}

.faq-item.single-answer .faq-question {
    cursor: default;
    padding: 0;
    display: none;
}

.faq-toggle {
    font-size: 1.2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
    font-weight: 300;
}

.faq-toggle.open {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 14px 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    background: #fafbfc;
    border-top: 1px solid var(--border-color);
    text-align: left;
}

.faq-item.single-answer .faq-answer {
    display: block;
    padding: 14px 18px;
    background: #fafbfc;
    border-top: none;
}

.faq-answer.open {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .faq-hero {
        padding: 50px 15px;
        margin-bottom: 30px;
    }

    .faq-hero h1 {
        font-size: 2rem;
    }

    .faq-controls {
        flex-direction: column;
        gap: 15px;
    }

    .role-buttons,
    .action-buttons {
        width: 100%;
        justify-content: center;
    }

    .role-btn,
    .action-btn {
        flex: 1;
        justify-content: center;
    }

    .category-header {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .subcategory-header {
        padding: 12px 16px 12px 20px;
        font-size: 0.9rem;
    }

    .faq-question {
        padding: 10px 16px 10px 20px;
        font-size: 0.9rem;
    }

    .faq-answer {
        padding: 10px 16px 10px 20px;
        font-size: 0.85rem;
    }
}

/* FAQ with Image Layout */
.faq-content-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 50px;
}

.faq-content-col {
    flex: 1;
    min-width: 0;
}

.faq-image-col {
    flex: 0 0 45%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.faq-image-col img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    opacity: 0.95;
}

/* Flip layout for vendor role */
.faq-content-wrapper.vendor-role {
    flex-direction: row-reverse;
}

@media (max-width: 1024px) {
    .faq-content-wrapper {
        gap: 30px;
    }

    .faq-image-col {
        flex: 0 0 40%;
    }
}

@media (max-width: 768px) {
    .faq-content-wrapper {
        flex-direction: column;
        gap: 30px;
        padding: 0 15px;
    }

    .faq-content-wrapper.vendor-role {
        flex-direction: column;
    }

    .faq-content-col {
        width: 100%;
        flex: 1;
    }

    .faq-image-col {
        flex: 1;
        width: 100%;
        padding: 0 15px;
    }

    .faq-image-col img {
        max-height: 300px;
        object-fit: cover;
        width: 100%;
    }

    .faq-main {
        padding: 0;
    }

    .faq-category {
        border-radius: 8px;
        margin-bottom: 12px;
    }

    .category-header {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .subcategory-header {
        padding: 12px 16px 12px 20px;
        font-size: 0.9rem;
    }

    .faq-question {
        padding: 10px 16px 10px 20px;
        font-size: 0.9rem;
    }

    .faq-answer {
        padding: 10px 16px 10px 20px;
        font-size: 0.85rem;
    }
}