* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Header Styles - Updated to match your dark theme but adapted for light background */
        header, .header_L_R {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(102, 126, 234, 0.1);
            z-index: 999;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            box-sizing: border-box;
            box-shadow: 0 4px 20px rgba(102, 126, 234, 0.1);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* Logo Button - Enhanced with gradient */
        .Todo_button {
            cursor: pointer;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 14px;
            padding: 0.65rem 1.4rem;
            margin: 0;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: 1.5px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.35);
            position: static;
            text-transform: uppercase;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }

        .Todo_button::before {
            content: "◆";
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .Todo_button:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 8px 28px rgba(102, 126, 234, 0.55);
            letter-spacing: 2px;
        }

        .Todo_button:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
        }

        /* Main Buttons - Light theme adaptation */
        .main_buttons {
            cursor: pointer;
            background: transparent;
            color: #333;
            border: 2px solid rgba(102, 126, 234, 0.3);
            border-radius: 12px;
            padding: 0.9rem 1.6rem;
            margin: 0 0.3rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .main_buttons:hover {
            background: rgba(102, 126, 234, 0.1);
            border-color: rgba(102, 126, 234, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
            color: #667eea;
        }

        /* Special accent button */
        .main_buttons.accent {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            color: white;
        }

        .main_buttons.accent:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        /* Off-screen Menu - Light theme adaptation */
        .off-screen-menu {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-right: 1px solid rgba(102, 126, 234, 0.1);
            bottom: 0;
            width: 100%;
            max-width: 280px;
            position: fixed;
            left: -280px;
            top: 0;
            display: flex;
            z-index: 998;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 1rem 1.5rem 1rem;
            font-size: 1.1rem;
            transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 4px 0 30px rgba(102, 126, 234, 0.1);
            overflow-y: auto;
        }

        .off-screen-menu.active {
            left: 0;
        }

        /* Navigation Links */
        .header_ul {
            padding: 0;
            list-style: none;
            width: 100%;
            text-align: center;
        }

        .header_ul li {
            padding: 0.3rem 0;
            width: 100%;
        }

        .header_ul li a {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            padding: 1rem 1.2rem;
            border-radius: 10px;
            display: block;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .header_ul li a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
            transition: left 0.5s ease;
        }

        .header_ul li a:hover::before {
            left: 100%;
        }

        .header_ul li a:hover {
            color: white;
            background: rgba(102, 126, 234, 0.8);
            transform: translateX(8px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        /* Add a subtle glow effect to the header */
        header::after, .header_L_R::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #667eea, #764ba2, transparent);
            opacity: 0.6;
        }

        /* Menu Toggle Button */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #333;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .menu-toggle:hover {
            background: rgba(102, 126, 234, 0.1);
            color: #667eea;
        }

        /* Demo Content */
        .demo-content {
            margin-top: 120px;
            padding: 2rem;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .demo-content h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .demo-content p {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            header, .header_L_R {
                padding: 0.8rem 1rem;
            }

            .menu-toggle {
                display: block;
            }

            .Todo_button, .main_buttons {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }

            .main_buttons {
                display: none;
            }

            .off-screen-menu {
                max-width: 260px;
                padding: 0.5rem 1rem 0.5rem;
            }

            .user-off-screen-menu {
                max-width: 260px;
                padding: 0.5rem 1rem 0.5rem;
            }

            .off-screen-menu .header_ul li,
            .user-off-screen-menu .header_ul li {
                padding: 0.1rem 0;
            }

            .off-screen-menu .header_ul li a,
            .user-off-screen-menu .header_ul li a {
                padding: 0.6rem 1rem;
                font-size: 0.95rem;
            }

            .off-screen-menu .logout-button,
            .user-off-screen-menu .logout-button {
                margin-left: 0;
                padding: 0.6rem 1.2rem;
                font-size: 0.95rem;
            }

            .demo-content h1 {
                font-size: 2rem;
            }

            .demo-content {
                padding: 1rem;
            }
        }

        /* Optional: Add some micro-animations */
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }

        .Todo_button {
            animation: pulse 3s ease-in-out infinite;
        }

        @media (max-width: 768px) {
            .desktop-buttons {
                display: none;
            }

            .mobile-only {
                display: block;
            }
        }

        @media (min-width: 769px) {
            .mobile-only {
                display: none;
            }
        }

.user-off-screen-menu {
    position: fixed;
    right: -280px; /* Start hidden off the right edge */
    top: 0;
    bottom: 0;
    width: 100%;
    max-width: 280px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: -4px 0 30px rgba(102, 126, 234, 0.1);
    padding: 1rem 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    font-size: 1.1rem;
    z-index: 998;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Active = slide in */
.user-off-screen-menu.active {
    right: 0;
}

/* Logout form pinned at bottom of sidebar */
.sidebar-logout-form {
    margin-top: auto;
    width: 100%;
    padding: 0.5rem 0;
    flex-shrink: 0;
}

/* Make the nav list scrollable while logout stays pinned */
.user-off-screen-menu .header_ul {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.logout-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-button:hover {
    transform: translateY(-2px) scale(1.03);
}

.logout-icon {
    font-size: 1.2rem;
}


.user_button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    padding: 0.3rem;
    cursor: pointer;
    transition: all 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    position: relative;
    overflow: hidden;
}

.user_button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.6);
}

.user_button img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.user_button:hover img {
    transform: scale(1.1);
}


.desktop-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart_button {
    cursor: pointer;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0.8rem 1.6rem;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    animation: pulse 3s ease-in-out infinite;
}

.cart_button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem; /* space between cart and user button */
}

.logout-button {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.logout-button:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.logout-icon {
    font-size: 1.2rem;
}

/* ── Notification Bell ── */
.notif-bell-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.notif-bell-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
}

.notif-bell-btn:hover {
    background: rgba(102, 126, 234, 0.1);
}

.notif-bell-btn svg {
    width: 24px;
    height: 24px;
    stroke: #555;
    transition: stroke 0.3s ease;
}

.notif-bell-btn:hover svg {
    stroke: #667eea;
}

.notif-bell-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    padding: 0 4px;
    pointer-events: none;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
}

.notif-bell-badge.hidden {
    display: none;
}

/* Dropdown panel */
.notif-bell-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 340px;
    max-height: 420px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.18), 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(102, 126, 234, 0.12);
    z-index: 1001;
    overflow: hidden;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.notif-bell-dropdown.active {
    display: flex;
}

.notif-dd-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.notif-dd-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: #333;
}

.notif-dd-mark-all {
    background: none;
    border: none;
    color: #667eea;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.notif-dd-mark-all:hover {
    background: rgba(102, 126, 234, 0.1);
}

.notif-dd-list {
    overflow-y: auto;
    flex: 1;
    max-height: 320px;
}

.notif-dd-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: background 0.2s ease;
    cursor: pointer;
}

.notif-dd-item:hover {
    background: rgba(102, 126, 234, 0.06);
}

.notif-dd-item.unread {
    background: rgba(102, 126, 234, 0.08);
}

.notif-dd-item.unread:hover {
    background: rgba(102, 126, 234, 0.14);
}

.notif-dd-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
    line-height: 1.4;
}

.notif-dd-body {
    flex: 1;
    min-width: 0;
}

.notif-dd-item-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notif-dd-item-msg {
    font-size: 0.78rem;
    color: #666;
    margin-top: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notif-dd-item-time {
    font-size: 0.7rem;
    color: #999;
    margin-top: 3px;
}

.notif-dd-footer {
    display: block;
    text-align: center;
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #667eea;
    text-decoration: none;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
    transition: background 0.2s ease;
}

.notif-dd-footer:hover {
    background: rgba(102, 126, 234, 0.06);
}

.notif-dd-empty {
    text-align: center;
    padding: 32px 16px;
    color: #999;
    font-size: 0.88rem;
}

/* ── Active Navigation State ── */
.header_ul li a.nav-active {
    color: white;
    background: rgba(102, 126, 234, 0.85);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.25);
}

/* ── Breadcrumb Utilities ── */
.vrc-breadcrumbs {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem 0;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.vrc-breadcrumbs a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.vrc-breadcrumbs a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.vrc-breadcrumbs .bc-sep {
    color: #aaa;
    font-size: 0.8rem;
    user-select: none;
}

.vrc-breadcrumbs .bc-current {
    color: #555;
    font-weight: 600;
}

/* ── Back Link Utility ── */
.vrc-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    margin-bottom: 1rem;
}

.vrc-back-link:hover {
    color: #764ba2;
}

.vrc-back-link::before {
    content: "←";
    font-size: 1rem;
}

/* Responsive: dropdown near full-width on mobile */
@media (max-width: 768px) {
    .notif-bell-dropdown {
        position: fixed;
        top: 70px;
        right: 8px;
        left: 8px;
        width: auto;
        max-height: 70vh;
    }
}