/* =========================================================
   product-tutorial.css
   TUTORIALS / USER MANUAL MODERN REDESIGN
   ========================================================= */

html {
    font-size: 16px !important;
}

body {
    font-family: var(--font-body) !important;
    background-color: var(--color-bg-primary) !important;
    color: var(--color-text-main) !important;
}

.tutorial-page {
    margin-top: 80px !important;
    background: var(--color-bg-primary) !important;
    position: relative !important;
    overflow: visible !important;
    width: 100% !important;
}

/* Hero Header */
.tutorial-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%) !important;
    padding: 60px 20px !important;
    text-align: center !important;
    position: relative !important;
    overflow: hidden !important;
    z-index: 1 !important;
}

.tutorial-hero::before {
    content: "" !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: radial-gradient(circle at 50% 50%, rgba(0, 74, 153, 0.22) 0%, transparent 70%) !important;
    z-index: -1 !important;
}

.tutorial-hero h1 {
    font-family: var(--font-heading) !important;
    font-size: clamp(2rem, 4vw, 3rem) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin: 0 !important;
    letter-spacing: -0.02em !important;
    line-height: 1.3 !important;
}

/* Main Section Grid */
.tutorial-section {
    padding: 60px 0 100px !important;
    position: relative !important;
    z-index: 2 !important;
}

.tutorial-layout {
    display: grid !important;
    grid-template-columns: 300px 1fr !important;
    gap: var(--space-lg) !important;
    align-items: start !important;
}

/* Sidebar Styling */
.tutorial-sidebar-card {
    background: #ffffff !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    padding: var(--space-md) !important;
    box-shadow: var(--shadow-md) !important;
    position: sticky !important;
    top: 100px !important;
    max-height: calc(100vh - 140px) !important;
    overflow-y: auto !important;
}

.search-box {
    position: relative;
    margin-bottom: var(--space-md);
}

.search-input {
    width: 100% !important;
    border: 1px solid var(--color-border) !important;
    background-color: var(--color-bg-secondary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 14px !important;
    font-size: 0.9rem !important;
    color: var(--color-text-main) !important;
    transition: all var(--transition-fast) !important;
    box-sizing: border-box !important;
    height: 40px !important;
}

.search-input:focus {
    border-color: var(--color-primary-light) !important;
    background-color: #ffffff !important;
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1) !important;
    outline: none !important;
}

.category-group {
    margin-bottom: var(--space-md);
}

.category-group h3 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-sub);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
    border-left: 3px solid var(--color-accent);
    padding-left: 8px;
}

.category-links {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-link {
    display: block !important;
    padding: 8px 12px !important;
    color: var(--color-text-sub) !important;
    font-size: 0.92rem !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    border-radius: var(--radius-sm) !important;
    transition: all var(--transition-fast) !important;
}

.category-link:hover {
    color: var(--color-primary) !important;
    background-color: var(--color-bg-secondary) !important;
}

.category-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
    box-shadow: var(--shadow-sm) !important;
    font-weight: 600 !important;
}

/* Content Area Styling */
.tutorial-content-card {
    background: #ffffff !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-lg) !important;
    padding: 40px !important;
    box-shadow: var(--shadow-lg) !important;
    box-sizing: border-box !important;
}

.tutorial-content-card h3.title {
    font-family: var(--font-heading) !important;
    font-size: 1.8rem !important;
    font-weight: 800 !important;
    color: var(--color-primary-dark) !important;
    margin-top: 0 !important;
    margin-bottom: var(--space-md) !important;
    line-height: 1.3 !important;
    border-bottom: 2px solid var(--color-border) !important;
    padding-bottom: 16px !important;
}

.tutorial-content-card .ct {
    font-size: 1.05rem !important;
    line-height: 1.8 !important;
    color: var(--color-text-main) !important;
}

.tutorial-content-card .ct p {
    margin-bottom: 1.25rem !important;
    text-align: left !important;
}

.tutorial-content-card .ct img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-sm) !important;
    margin: var(--space-md) 0 !important;
}

/* Play Video Button */
.btn-play-video {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 12px 24px !important;
    font-weight: 700 !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.95rem !important;
    cursor: pointer !important;
    text-decoration: none !important;
    transition: all var(--transition-fast) !important;
    box-shadow: var(--shadow-glow-orange) !important;
    margin-top: var(--space-md);
}

.btn-play-video:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 20px rgba(var(--color-accent-rgb), 0.3) !important;
    color: #ffffff !important;
}

/* Modal Overrides */
.avn-center-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.avn-modal-content {
    background-color: #000000 !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    position: relative;
}

.avn-modal-content i.fa-times-circle {
    position: absolute;
    top: -15px;
    right: -15px;
    font-size: 2rem;
    color: #ffffff;
    cursor: pointer;
    z-index: 1050;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.avn-modal-content i.fa-times-circle:hover {
    opacity: 1;
}

.video-modal {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* Collapsible Sidebar Toggler (Desktop defaults) */
.sidebar-toggle-btn {
    display: none !important;
}

.sidebar-toggle-btn i {
    font-size: 1rem !important;
    color: inherit !important;
}

.sidebar-toggle-btn .toggle-icon {
    transition: transform var(--transition-fast) !important;
}

/* Responsive Layout */
@media (max-width: 991px) {
    .tutorial-layout {
        grid-template-columns: 1fr !important;
        gap: var(--space-md) !important;
    }

    .tutorial-sidebar-card {
        position: relative !important;
        top: 0 !important;
        max-height: none !important;
        padding: 12px !important;
    }

    .sidebar-toggle-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
        padding: 12px 16px !important;
        background: var(--color-bg-secondary) !important;
        border: 1px solid var(--color-border) !important;
        border-radius: var(--radius-sm) !important;
        color: var(--color-primary-dark) !important;
        font-family: var(--font-heading) !important;
        font-weight: 700 !important;
        font-size: 0.95rem !important;
        cursor: pointer !important;
        transition: all var(--transition-fast) !important;
    }

    .sidebar-toggle-btn:hover {
        background-color: var(--color-border) !important;
    }

    .sidebar-menu-wrapper {
        display: none;
        margin-top: var(--space-md) !important;
        padding-top: var(--space-sm) !important;
        border-top: 1px solid var(--color-border) !important;
    }

    .tutorial-sidebar-card.menu-open .sidebar-menu-wrapper {
        display: block !important;
    }

    .tutorial-sidebar-card.menu-open .sidebar-toggle-btn {
        background-color: var(--color-bg-secondary) !important;
        border-bottom-left-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
    }

    .tutorial-sidebar-card.menu-open .toggle-icon {
        transform: rotate(180deg) !important;
    }
}