/* ==========================================================================
   Support Center Styles
   ========================================================================== */

/* CSS Custom Properties */
:root {
    --support-primary: #0d6efd;
    --support-secondary: #6c757d;
    --support-success: #198754;
    --support-info: #0dcaf0;
    --support-warning: #ffc107;
    --support-danger: #dc3545;
    --support-light: #f8f9fa;
    --support-dark: #212529;
    --support-gradient: linear-gradient(135deg, var(--support-primary), #7c3aed);
    --border-radius: 0.75rem;
    --border-radius-sm: 0.375rem;
    --border-radius-lg: 1rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --transition: all 0.3s ease;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    background: var(--support-gradient);
    color: white;
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Search Section
   ========================================================================== */
.search-container {
    margin-top: -2rem;
    position: relative;
    z-index: 2;
}

.search-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    border: none;
    transition: var(--transition);
    overflow: hidden;
}

.search-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.2);
}

.search-card:focus-within {
    outline: 2px solid var(--support-primary);
    outline-offset: 2px;
}

.search-input {
    border: none;
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    transition: var(--transition);
    background: transparent;
}

.search-input:focus {
    outline: none;
    box-shadow: none; /* Remove default focus shadow since parent handles it */
}

.search-input::placeholder {
    color: var(--support-secondary);
    opacity: 0.7;
}

.search-icon {
    color: var(--support-primary);
    font-size: 1.2rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.search-icon:hover {
    background: rgba(13, 110, 253, 0.1);
}

.search-icon:focus {
    outline: 2px solid var(--support-primary);
    outline-offset: -2px;
}

/* ==========================================================================
   Category Filters
   ========================================================================== */
.category-filters {
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.category-filter {
    border-radius: 2rem;
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--support-primary);
    color: var(--support-primary);
    background: white;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.category-filter::before {
    content: '';
    position: absolute;
    inset: 0 -100% 0 -100%;
    background: var(--support-primary);
    transition: left 0.3s ease;
    z-index: -1;
}

.category-filter:hover::before,
.category-filter.active::before {
    left: 0;
}

.category-filter:hover,
.category-filter.active {
    color: var(--support-primary);
    border-color: var(--support-primary);
    background: #eee;
}

.category-filter:focus {
    outline: 2px solid var(--support-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   FAQ Sections
   ========================================================================== */
.faq-section {
    margin-bottom: 2rem;
}

.faq-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.faq-card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.faq-header {
    background: var(--support-gradient);
    color: white;
    padding: 1.5rem;
}

.faq-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ==========================================================================
   Accordion Components
   ========================================================================== */
.accordion-button {
    background: transparent;
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--support-dark);
    transition: var(--transition);
    border-radius: 0;
}

.accordion-button:not(.collapsed) {
    background: rgba(13, 110, 253, 0.05);
    color: var(--support-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: transparent;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d6efd'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 1.5rem;
    color: var(--support-secondary);
    line-height: 1.6;
    background: var(--support-light);
}

/* ==========================================================================
   Category Browse Section
   ========================================================================== */
.category-browse-section {
    background: var(--support-light);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.category-browse-card {
    border: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    height: 100%;
    background: white;
    box-shadow: var(--box-shadow);
}

.category-browse-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--support-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

/* ==========================================================================
   No Results Section
   ========================================================================== */
.no-results {
    background: white;
    border-radius: var(--border-radius);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.no-results-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--support-light);
    color: var(--support-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.search-highlight {
    background: var(--support-warning);
    color: var(--support-dark);
    padding: 0.125rem 0.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-semibold);
}

.loading-spinner {
    display: none;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--support-primary);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0 2rem;
    }

    .search-container {
        margin-top: -1.5rem;
    }

    .category-filter {
        font-size: 0.875rem;
        padding: 0.4rem 1rem;
    }

    .faq-header {
        padding: 1rem;
    }

    .faq-title {
        font-size: 1.1rem;
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .accordion-button {
        padding: 1rem;
        font-size: 0.95rem;
    }

    .accordion-body {
        padding: 1rem;
    }

    .category-browse-section {
        padding: 2rem 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0 1.5rem;
    }

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

    .search-input {
        font-size: 1rem;
        padding: 0.875rem 1rem;
    }

    .search-icon {
        padding: 0.875rem 1rem;
    }

    .category-filters {
        gap: 0.25rem;
    }

    .category-filter {
        font-size: 0.8rem;
        padding: 0.375rem 0.875rem;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .hero-section,
    .search-container,
    .category-filters {
        display: none;
    }

    .faq-card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }

    .accordion-collapse {
        display: block !important;
    }
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .search-card,
    .faq-card,
    .category-browse-card {
        border: 2px solid;
    }
}