/* ================================ */
/* Mobile Responsive Styles         */
/* For Elements Pages                */
/* ================================ */

/* Navigation Drawer Styles */
.nav-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
    flex-direction: column;
}

.nav-drawer.active {
    transform: translateX(0);
}

.nav-drawer-header {
    padding: 20px;
    border-bottom: 1px solid var(--medium-gray);
    background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
    color: white;
    position: sticky;
    top: 0;
}

.nav-drawer-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.nav-drawer-content {
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.nav-drawer .tab {
    padding: 15px 20px;
    border: none;
    background: none;
    font-size: 1rem;
    color: var(--dark-gray);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    border-left: 4px solid transparent;
    width: 100%;
    justify-content: flex-start;
    display: flex;
    align-items: center;
}

.nav-drawer .tab i {
    margin-right: 15px;
    font-size: 1rem;
    color: var(--accent-color);
    width: 20px;
    text-align: center;
}

.nav-drawer .tab:hover {
    background-color: var(--light-gray);
    border-left-color: var(--accent-color);
}

.nav-drawer .tab.active {
    background-color: rgba(49, 130, 206, 0.1);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
    font-weight: 600;
}

/* Mobile toggle button - default hidden on desktop */
.mobile-toggle {
    display: none;
}

/* Password Modal - Base Styles for Mobile */
.password-modal {
    overflow-y: auto;
    padding: 20px;
    display: none !important;
}

.password-modal.open {
    display: flex !important;
}

.password-modal-content {
    max-height: 90vh;
    overflow-y: auto;
}

/* Media query for tablets (max-width: 992px) */
@media (max-width: 992px) {
    /* Hide nav-tabs-container on mobile */
    .nav-tabs-container {
        display: none;
    }

    .container {
        flex-direction: column;
    }

    .sidebar {
        transform: translateX(-100%);
        position: fixed;
        width: 320px;
        height: 100vh;
        z-index: 999;
        overflow-y: auto;
    }

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

    .main-content {
        margin-left: 0;
        padding: 40px 30px;
        min-height: calc(100vh - 100px);
    }

    .profile-img-container {
        width: 150px;
        height: 150px;
    }

    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 1000;
        background: var(--accent-color);
        color: white;
        border: none;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        font-size: 1.2rem;
        cursor: pointer;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        transition: var(--transition);
    }

    .mobile-toggle:hover {
        background: var(--primary-color);
        transform: scale(1.05);
    }

    .overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
    }

    .overlay.active {
        display: block;
    }

    .nav-drawer {
        display: flex;
    }

    .nav-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        white-space: nowrap;
        padding-bottom: 10px;
        scrollbar-width: thin;
    }

    /* Password modal for 992px breakpoint */
    .password-modal {
        padding: 20px;
    }

    .password-modal-content {
        max-width: 450px;
        width: 90%;
        padding: 35px 25px;
    }

    .password-modal-content h2 {
        font-size: 1.5rem;
    }

    #passwordInput {
        padding: 12px 15px;
    }

    #submitPassword, #cancelPassword {
        padding: 12px 25px;
    }
}

/* Media query for tablets and small devices (max-width: 768px) */
@media (max-width: 768px) {
    .main-content {
        padding: 30px 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .portfolio-grid,
    .course-grid,
    .skills-container,
    .footer-content,
    .publication-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .highlight-box {
        padding: 25px;
    }

    .nav-tabs-container {
        padding: 10px;
    }

    .tab {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .tab i {
        font-size: 0.8rem;
    }

    .photo-filter-tabs {
        justify-content: center;
    }

    .photo-filter {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    /* Publication styles */
    .publication-item {
        padding: 15px;
        margin-bottom: 20px;
    }

    .pub-title {
        font-size: 1.1rem;
    }

    .pub-authors {
        font-size: 0.9rem;
    }

    .pub-venue {
        font-size: 0.85rem;
    }

    .pub-links {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pub-links a {
        padding: 8px 15px;
        font-size: 0.85rem;
    }

    /* Blog and article styles */
    .blog-item {
        padding: 15px;
    }

    .blog-header {
        margin-bottom: 10px;
    }

    .blog-title {
        font-size: 1.1rem;
    }

    .blog-date {
        font-size: 0.85rem;
    }

    .blog-excerpt {
        font-size: 0.95rem;
    }

    /* Research content */
    .research-item {
        padding: 15px;
        margin-bottom: 20px;
    }

    .research-title {
        font-size: 1.1rem;
    }

    /* CV and bio styles */
    .cv-section {
        margin-bottom: 30px;
    }

    .cv-section-title {
        font-size: 1.3rem;
    }

    .cv-item {
        padding: 10px 0;
        margin-bottom: 15px;
    }

    .cv-item-date {
        font-size: 0.85rem;
    }

    .cv-item-title {
        font-size: 1rem;
    }

    /* Resource items */
    .resource-item {
        padding: 15px;
        margin-bottom: 15px;
    }

    .resource-title {
        font-size: 1.05rem;
    }

    .resource-description {
        font-size: 0.9rem;
    }

    /* Password modal for 768px+ */
    .password-modal {
        padding: 20px;
    }

    .password-modal-content {
        max-width: 400px;
        width: 95%;
        padding: 35px 25px;
    }

    .password-modal-content h2 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }

    .password-modal-content p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    #passwordInput {
        padding: 12px 15px;
        font-size: 1rem;
        margin-bottom: 20px;
    }

    #submitPassword, #cancelPassword {
        padding: 12px 25px;
        font-size: 0.95rem;
        margin: 5px;
    }
}

/* Media query for small mobile phones (max-width: 480px) */
@media (max-width: 480px) {
    .main-content {
        padding: 20px 15px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .tab {
        padding: 10px 15px;
        font-size: 0.85rem;
    }

    .tab i {
        margin-right: 4px;
    }

    .metric-card {
        padding: 20px;
    }

    .metric-value {
        font-size: 2rem;
    }

    .pub-links {
        flex-direction: column;
        gap: 10px;
    }

    .pub-links a {
        width: 100%;
        justify-content: center;
        padding: 10px 15px;
    }

    .photo-grid {
        grid-template-columns: 1fr;
    }

    /* Sidebar mobile */
    .sidebar {
        width: 100%;
    }

    .profile-img-container {
        width: 120px;
        height: 120px;
    }

    .site-title {
        font-size: 1.4rem;
    }

    .sidebar-name {
        font-size: 1.2rem;
    }

    .bio {
        font-size: 0.85rem;
        padding: 12px;
    }

    .social-links {
        gap: 10px;
    }

    .social-links a {
        width: 35px;
        height: 35px;
    }

    /* Publication mobile */
    .publication-item {
        padding: 12px;
        margin-bottom: 15px;
    }

    .pub-title {
        font-size: 1rem;
    }

    .pub-authors {
        font-size: 0.85rem;
    }

    .pub-venue {
        font-size: 0.8rem;
    }

    .pub-badge {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    /* Blog mobile */
    .blog-item {
        padding: 12px;
        margin-bottom: 15px;
    }

    .blog-title {
        font-size: 1rem;
    }

    .blog-date {
        font-size: 0.8rem;
    }

    .blog-excerpt {
        font-size: 0.9rem;
    }

    /* CV mobile */
    .cv-section {
        margin-bottom: 25px;
    }

    .cv-section-title {
        font-size: 1.1rem;
    }

    .cv-item {
        padding: 8px 0;
        margin-bottom: 12px;
    }

    .cv-item-title {
        font-size: 0.95rem;
    }

    .cv-item-date {
        font-size: 0.8rem;
    }

    .cv-item-subtitle {
        font-size: 0.85rem;
    }

    /* Resource items mobile */
    .resource-item {
        padding: 12px;
        margin-bottom: 12px;
    }

    .resource-title {
        font-size: 1rem;
    }

    .resource-description {
        font-size: 0.85rem;
    }

    .resource-link {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    /* Password modal mobile */
    .password-modal-content {
        width: 90%;
        padding: 30px 20px;
    }

    .password-modal-content h2 {
        font-size: 1.3rem;
    }

    #passwordInput {
        font-size: 1rem;
        padding: 10px 12px;
    }

    #submitPassword, #cancelPassword {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
}

/* Extra small mobile (max-width: 360px) */
@media (max-width: 360px) {
    .main-content {
        padding: 15px 10px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .tab {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .sidebar {
        width: 100%;
    }

    .profile-img-container {
        width: 100px;
        height: 100px;
    }

    .site-title {
        font-size: 1.3rem;
    }

    .sidebar-name {
        font-size: 1.1rem;
    }

    .publication-item {
        padding: 10px;
    }

    .blog-item {
        padding: 10px;
    }

    .cv-item {
        padding: 5px 0;
    }

    .pub-links {
        flex-direction: column;
    }

    .pub-links a {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    /* Password Modal Responsive */
    .password-modal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        justify-content: center;
        align-items: center;
        overflow-y: auto;
        padding: 20px;
    }

    .password-modal.open {
        display: flex;
    }

    .password-modal-content {
        background-color: white;
        padding: 30px 20px;
        border-radius: var(--border-radius);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        max-width: 90%;
        width: 100%;
        max-width: 350px;
        text-align: center;
        margin: auto;
    }

    .password-modal-content h2 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .password-modal-content p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    #passwordInput {
        padding: 10px 12px;
        font-size: 1rem;
        margin-bottom: 15px;
    }

    #submitPassword, #cancelPassword {
        padding: 10px 20px;
        font-size: 0.9rem;
        margin: 5px;
    }
}