/* Support Page Styles */

.support-header {
    background: linear-gradient(135deg, #4fc3d0 0%, #5b36a2 100%);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.support-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.support-header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.support-title {
    font-size: 52px;
    font-weight: 700;
    color: white;
    margin: 0 0 16px 0;
}

.support-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 40px 0;
}

/* Support Search */
.support-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 12px;
}

.support-search-input {
    flex: 1;
    padding: 18px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.support-search-input:focus {
    outline: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.support-search-btn {
    padding: 18px 28px;
    background: var(--primary-color);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.support-search-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Support Content */
.support-content {
    padding: 60px 0;
    background: #f8f9fa;
}

.support-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

/* Sidebar */
.support-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 20px 0;
    color: var(--text-primary);
}

.guide-nav {
    background: white;
    border-radius: 16px;
    padding: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.guide-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: none;
    background: transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    font-size: 15px;
    text-align: left;
}

.guide-item svg {
    flex-shrink: 0;
}

.guide-item:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.guide-item.active {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
}

.guide-item.active svg {
    color: white;
}

.sidebar-cta {
    margin-top: 32px;
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.sidebar-cta h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.sidebar-cta p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
}

.sidebar-cta .btn {
    width: 100%;
}

/* Main Content */
.support-main {
    background: white;
    border-radius: 21px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* Filters */
.support-filters {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 2px solid #e9ecef;
}

.filter-group {
    flex: 1;
}

.filter-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.filter-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 15px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-select:hover {
    border-color: var(--primary-color);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(91, 54, 162, 0.1);
}

/* Guide Sections */
.guide-sections {
    margin-bottom: 60px;
}

.guide-section {
    display: none;
}

.guide-section.active {
    display: block;
}

.guide-section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 32px 0;
}

/* Guide Cards */
.guide-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.guide-card {
    padding: 28px;
    border: 2px solid #e9ecef;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.guide-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(91, 54, 162, 0.12);
    transform: translateY(-4px);
}

.guide-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border-radius: 16px;
    margin-bottom: 20px;
}

.guide-card-icon svg {
    color: white;
}

.guide-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
}

.guide-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 16px 0;
}

.guide-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.guide-link:hover {
    color: var(--primary-dark);
}

/* Guide Content Detail */
.guide-content-detail {
    line-height: 1.8;
}

.guide-content-detail h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 32px 0 16px 0;
}

.guide-content-detail h3:first-child {
    margin-top: 0;
}

.guide-content-detail h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 24px 0 12px 0;
}

.guide-content-detail p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
}

.guide-content-detail ul,
.guide-content-detail ol {
    margin: 0 0 16px 0;
    padding-left: 24px;
    color: var(--text-secondary);
}

.guide-content-detail li {
    margin-bottom: 8px;
}

/* Video Tutorials */
.video-tutorials {
    padding-top: 40px;
    border-top: 2px solid #e9ecef;
}

.section-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 32px 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.video-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(91, 54, 162, 0.12);
    transform: translateY(-4px);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 16px 20px 8px 20px;
}

.video-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 20px 12px 20px;
    line-height: 1.6;
}

.video-duration {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    margin: 0 20px 16px 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .support-layout {
        grid-template-columns: 240px 1fr;
        gap: 24px;
    }

    .guide-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .support-header {
        padding: 60px 0 40px;
    }

    .support-title {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .support-subtitle {
        font-size: 15px;
        margin-bottom: 24px;
        padding: 0 16px;
    }

    .support-search {
        flex-direction: column;
        gap: 12px;
    }
    
    .support-search input {
        font-size: 16px;
        padding: 12px 16px;
    }
    
    .support-search button {
        width: 100%;
    }

    .support-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .support-sidebar {
        position: static;
        width: 100%;
        max-height: none;
    }

    .support-main {
        padding: 20px 16px;
    }

    .support-filters {
        flex-direction: column;
        gap: 12px;
    }
    
    .filter-btn {
        width: 100%;
        justify-content: center;
    }

    .guide-section-title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .guide-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .guide-card {
        padding: 20px 16px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .video-card {
        padding: 16px;
    }
}

@media (max-width: 576px) {
    .support-title {
        font-size: 24px;
    }
    
    .guide-section-title {
        font-size: 22px;
    }
}