:root {
        --color-primary: #7c2d12;
        --color-secondary: #FFFFFF;
        --color-background: #fef3c7;
        --color-accent: #991b1b;
        --color-text: #1e1e1e;
        --color-text-muted: #64748b;
        --color-border: #e7e5e4;
        --color-light: #fef2f2;
        --header-height: 70px;
    }

    /* Top Navigation Bar */
    .natyasastra-header {
        background: var(--color-secondary);
        border-bottom: 2px solid var(--color-accent);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        position: sticky;
        top: 0;
        z-index: 1000;
        font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    }

    .header-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 1.25rem;
        height: var(--header-height);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1.5rem;
    }

    .header-brand {
        display: flex;
        align-items: center;
        gap: 1rem;
        min-width: 0;
        flex-shrink: 1;
    }

    .brand-link {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
        color: var(--color-primary);
        font-weight: 700;
        font-size: 1.5rem;
        transition: color 0.3s ease;
        letter-spacing: -0.01em;
        white-space: nowrap;
        min-width: 0;
    }

    .brand-link:hover {
        color: var(--color-accent);
    }

    .brand-link i {
        font-size: 1.75rem;
        flex-shrink: 0;
    }

    .brand-name {
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .section-indicator {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        background: var(--color-light);
        border: 1px solid var(--color-border);
        border-radius: 0.5rem;
        color: var(--color-accent);
        font-weight: 600;
        font-size: 0.9rem;
        letter-spacing: 0.01em;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .header-nav {
        display: flex;
        gap: 1rem;
        flex: 1;
        justify-content: center;
    }

    .nav-link {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
        color: var(--color-text);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .nav-link:hover, .nav-link.active {
        background: var(--color-light);
        color: var(--color-accent);
    }

    .header-user {
        display: flex;
        align-items: center;
        gap: 1rem;
        flex-shrink: 0;
    }

    .user-info {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        line-height: 1.3;
    }

    .user-greeting {
        font-size: 0.75rem;
        color: var(--color-text-muted);
    }

    .user-name {
        font-weight: 600;
        color: var(--color-primary);
        font-size: 0.9375rem;
    }

    .user-avatar-container {
        position: relative;
        cursor: pointer;
    }

    .user-avatar, .user-avatar-placeholder {
        width: 45px;
        height: 45px;
        border-radius: 50%;
        border: 2px solid var(--color-accent);
        transition: transform 0.3s ease;
    }

    .user-avatar-placeholder {
        background: var(--color-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-primary);
        font-size: 1.25rem;
    }

    .user-avatar-container:hover .user-avatar,
    .user-avatar-container:hover .user-avatar-placeholder {
        transform: scale(1.05);
    }

    .user-dropdown {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: 0;
        background: var(--color-secondary);
        border: 2px solid var(--color-border);
        border-radius: 0.5rem;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        min-width: 200px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }

    .user-avatar-container:hover .user-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
        color: var(--color-text);
        text-decoration: none;
        font-size: 0.9375rem;
        transition: all 0.3s ease;
    }

    .dropdown-item:hover {
        background: var(--color-light);
        color: var(--color-accent);
    }

    .dropdown-item.logout {
        color: var(--color-accent);
    }

    .dropdown-item.logout:hover {
        background: rgba(153, 27, 27, 0.1);
    }

    .dropdown-divider {
        height: 1px;
        background: var(--color-border);
        margin: 0.5rem 0;
    }

    .guest-actions {
        display: flex;
        gap: 0.75rem;
        align-items: center;
    }

    .login-btn, .register-btn {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        text-decoration: none;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }

    .login-btn {
        background: transparent;
        color: var(--color-primary);
        border: 2px solid var(--color-primary);
    }

    .login-btn:hover {
        background: var(--color-primary);
        color: var(--color-secondary);
    }

    .register-btn {
        background: var(--color-accent);
        color: var(--color-secondary);
        border: 2px solid var(--color-accent);
    }

    .register-btn:hover {
        background: transparent;
        color: var(--color-accent);
    }

    .mobile-menu-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--color-primary);
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.5rem;
        flex-shrink: 0;
    }

    .mobile-menu {
        display: none;
        background: var(--color-secondary);
        border-top: 1px solid var(--color-border);
        padding: 1rem;
    }

    .mobile-menu.active {
        display: block;
    }

    .mobile-menu-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
        color: var(--color-text);
        text-decoration: none;
        border-radius: 0.5rem;
        transition: all 0.3s ease;
        flex-direction: row;
    }

    .mobile-menu-item i {
        flex-shrink: 0;
    }

    .mobile-menu-item span {
        flex: 1;
    }

    .mobile-menu-item:hover {
        background: var(--color-light);
        color: var(--color-accent);
    }

    .mobile-menu-divider {
        height: 1px;
        background: var(--color-border);
        margin: 0.5rem 0;
    }

    /* Scholarly Page Header */
    .page-header {
        background: linear-gradient(180deg, #7c2d12 0%, #991b1b 100%);
        color: white;
        padding: 4rem 2rem 3rem;
        position: relative;
        overflow: hidden;
        border-bottom: 4px solid #92400e;
    }

    .header-ornament {
        position: absolute;
        font-size: 6rem;
        opacity: 0.06;
        pointer-events: none;
    }

    .ornament-1 { top: 5%; left: 3%; }
    .ornament-2 { top: 40%; right: 5%; }
    .ornament-3 { bottom: 5%; left: 12%; }

    .page-header .header-container {
        max-width: 1200px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
        height: auto;
        flex-direction: column;
        padding: 0;
    }
    
    .natyasastra-header .header-container {
        height: var(--header-height);
        flex-direction: row;
    }

    .header-content {
        text-align: center;
    }

    .brand-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.625rem;
        background: rgba(255, 255, 255, 0.12);
        padding: 0.5rem 1.125rem;
        border-radius: 2rem;
        font-size: 0.8125rem;
        margin-bottom: 1.5rem;
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        font-weight: 500;
    }

    .brand-label {
        opacity: 0.75;
    }

    .brand-name {
        font-weight: 600;
    }

    .page-title {
        font-size: 4.5rem;
        font-weight: 700;
        margin: 0 0 1rem;
        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        font-family: 'Noto Serif Devanagari', serif;
        line-height: 1.1;
        letter-spacing: -0.02em;
    }

    .page-subtitle {
        font-size: 1.75rem;
        font-weight: 400;
        margin: 0 0 1.25rem;
        opacity: 0.9;
        font-family: 'Playfair Display', serif;
        font-style: italic;
        letter-spacing: 0.01em;
    }

    .page-description {
        font-size: 1.0625rem;
        opacity: 0.85;
        max-width: 680px;
        margin: 0 auto 2.5rem;
        line-height: 1.6;
        font-weight: 300;
    }

    .page-header .header-nav {
        display: flex;
        gap: 0.75rem;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 0;
    }

    .header-nav-link {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.625rem 1.25rem;
        background: rgba(255, 255, 255, 0.1);
        color: white;
        text-decoration: none;
        border-radius: 0.5rem;
        font-weight: 500;
        font-size: 0.9375rem;
        transition: all 0.3s ease;
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .header-nav-link:hover, .header-nav-link.active {
        background: rgba(255, 255, 255, 0.95);
        color: var(--color-primary);
        border-color: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }

    /* Breadcrumbs */
    .breadcrumbs-container {
        background: #fafaf9;
        border-bottom: 1px solid var(--color-border);
        padding: 0.875rem 0;
        font-size: 0.875rem;
    }

    .breadcrumbs-container .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 1.25rem;
    }

    .breadcrumbs {
        list-style: none;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }

    .breadcrumbs li {
        display: flex;
        align-items: center;
        color: var(--color-text-muted);
    }

    .breadcrumbs li:not(:last-child)::after {
        content: "›";
        margin-left: 0.5rem;
        opacity: 0.5;
    }

    .breadcrumbs a {
        color: var(--color-text-muted);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .breadcrumbs a:hover {
        color: var(--color-accent);
    }

    .breadcrumbs li:last-child span {
        color: var(--color-text);
        font-weight: 500;
    }

    /* Main Content */
    .main-content {
        background: var(--color-secondary);
        min-height: calc(100vh - var(--header-height) - 300px);
    }

    .main-content .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 3rem 1.25rem;
    }

    /* Secondary Navigation */
    .secondary-nav {
        background: var(--color-background);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        position: sticky;
        top: var(--header-height);
        z-index: 999;
    }

    .secondary-nav-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0.75rem 1.25rem;
        display: flex;
        gap: 1.5rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .secondary-nav-link {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
        color: var(--color-text);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .secondary-nav-link:hover {
        background: var(--color-secondary);
        color: var(--color-primary);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    @media (max-width: 968px) {
        .header-container {
            padding: 0 1rem;
        }

        .page-title {
            font-size: 3rem;
        }

        .page-subtitle {
            font-size: 1.5rem;
        }

        .page-description {
            font-size: 1rem;
        }
    }

    @media (max-width: 768px) {
        .header-container {
            padding: 0 1rem;
            gap: 0.75rem;
        }

        /* Hide desktop navigation - keep only in dropdown */
        .header-nav {
            display: none !important;
        }

        .header-brand {
            gap: 0.75rem;
            flex: 1;
            min-width: 0;
        }

        .brand-link {
            font-size: 1.25rem;
            gap: 0.4rem;
        }

        .brand-link i {
            font-size: 1.5rem;
        }

        .brand-name {
            display: none;
        }

        /* Keep section indicator visible on mobile */
        .section-indicator {
            padding: 0.4rem 0.75rem;
            font-size: 0.85rem;
        }

        .header-user {
            gap: 0.5rem;
        }

        .header-user .user-info {
            display: none;
        }

        /* Hide guest actions (login/register) on mobile in main header */
        .header-user .guest-actions {
            display: none;
        }

        .mobile-menu-toggle {
            display: block;
        }
        
        /* Show mobile menu items when menu is active */
        .mobile-menu {
            display: none;
        }
        
        .mobile-menu.active {
            display: block;
        }
        
        .page-header {
            padding: 3rem 1rem 2rem;
        }

        .page-title {
            font-size: 2.5rem;
        }

        .page-subtitle {
            font-size: 1.25rem;
        }

        .page-description {
            font-size: 0.9375rem;
        }

        .page-header .header-nav {
            gap: 0.5rem;
        }

        .header-nav-link {
            font-size: 0.875rem;
            padding: 0.5rem 0.875rem;
        }

        .breadcrumbs-container .container {
            padding: 0 1rem;
        }

        .main-content .container {
            padding: 2rem 1rem;
        }

        .secondary-nav-container {
            gap: 1rem;
            padding: 0.5rem 1rem;
        }

        .secondary-nav-link {
            font-size: 0.85rem;
            padding: 0.4rem 0.75rem;
        }
    }

    @media (max-width: 480px) {
        .header-container {
            padding: 0 0.75rem;
            gap: 0.5rem;
        }

        .brand-link {
            font-size: 1.125rem;
        }

        .brand-link i {
            font-size: 1.25rem;
        }

        .section-indicator {
            padding: 0.3rem 0.6rem;
            font-size: 0.75rem;
        }

        .section-indicator i {
            font-size: 0.875rem;
        }

        .page-header {
            padding: 2.5rem 0.75rem 1.5rem;
        }

        .page-title {
            font-size: 2rem;
        }

        .page-subtitle {
            font-size: 1.125rem;
        }

        .page-description {
            font-size: 0.875rem;
        }

        .breadcrumbs-container .container,
        .main-content .container {
            padding-left: 0.75rem;
            padding-right: 0.75rem;
        }

        .secondary-nav-link span {
            display: none;
        }

        .secondary-nav-link {
            padding: 0.5rem;
            min-width: 36px;
            justify-content: center;
        }
    }