/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    transition: transform 0.3s ease;
}

    .mobile-menu-toggle:hover {
        transform: scale(1.1);
    }

.hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--edtt-color-text-default);
    margin: 2px 0;
    transition: 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Sidebar */
.mobile-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.3s ease, opacity 0.3s ease;
}

    .mobile-sidebar.active {
        visibility: visible;
        opacity: 1;
    }

.mobile-sidebar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.mobile-sidebar-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    background-color: var(--edtt-color-bg-default);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
}

.mobile-sidebar.active .mobile-sidebar-content {
    transform: translateX(0);
}

.mobile-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 10;
}

    .mobile-sidebar-header .logo {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .mobile-sidebar-header .logo-img {
        width: 32px;
        height: 32px;
    }

    .mobile-sidebar-header .logo-text {
        font-weight: bold;
    }

.mobile-sidebar-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    color: var(--edtt-color-text-default);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .mobile-sidebar-close:hover {
        background-color: #f5f5f5;
        color: #333;
    }

.mobile-nav-menu {
    padding: 20px 0;
    flex: 1;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    text-decoration: none;
    color: var(--edtt-color-text-default);
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: var(--edtt-font-size-default);
    font-weight: 500;
}

    .mobile-nav-item:hover {
        background-color: #f8f9fa;
        color: #007bff;
        text-decoration: none;
    }

    .mobile-nav-item.active {
        background-color: var(--edtt-color-primary-100);
        color: var(--edtt-color-primary-base);
        border-left-color: var(--edtt-color-primary-base);
    }

    .mobile-nav-item .icon {
        margin-right: 16px;
        font-size: var(--edtt-font-size-2xl);
        width: 20px;
        text-align: center;
    }

.mobile-auth-section {
    padding: 20px;
    border-top: 1px solid #eee;
}

    .mobile-auth-section .image-container {
        text-align: center;
        margin-bottom: 20px;
    }

    .mobile-auth-section .auth-img {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        object-fit: cover;
    }

.mobile-auth-link {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--edtt-color-text-default);
    text-align: center;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: var(--edtt-font-size-default);
    font-weight: 500;
}

    .mobile-auth-link:hover {
        background-color: #e3f2fd;
        border-color: #1976d2;
        color: #1976d2;
        text-decoration: none;
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

/* Prevent body scroll when sidebar is open */
body.sidebar-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .header-content {
        justify-content: space-between;
    }

    .logo {
        order: 0;
    }

    .mobile-menu-toggle {
        order: -1;
    }
    .header {
        padding: var(--edtt-spacing-md) var(--edtt-spacing-md);
    }
}

/* Animation improvements */
@media (prefers-reduced-motion: reduce) {
    .mobile-sidebar,
    .mobile-sidebar-content,
    .hamburger-line,
    .mobile-nav-item,
    .mobile-auth-link {
        transition: none;
    }
}

/* Focus styles for accessibility */
.mobile-menu-toggle:focus,
.mobile-sidebar-close:focus,
.mobile-nav-item:focus,
.mobile-auth-link:focus {
    outline: 2px solid #1976d2;
    outline-offset: 2px;
}