/* static/research/css/base.css */

:root { 
    --theme-green: #015726; 
    --overlay-gray: rgba(0,0,0,.38);
}

body { 
    font-family: 'Montserrat', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

button, .btn {
    font-family: 'Montserrat', sans-serif !important;
}

input, select, textarea {
    font-family: 'Montserrat', sans-serif !important;
}

label, .form-label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.card-title, .card-header, h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
}

/* ==================== TOP LOGO BAR ==================== */
.top-logo-bar {
    background: white;
    padding: 12px 22px;
    border-bottom: 2px solid var(--theme-green);
    position: relative;
    z-index: 100;
}

.top-logo-bar img { 
    height: 46px; 
    cursor: pointer; 
}

.top-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--theme-green);
    font-family: 'Montserrat', sans-serif;
}

.top-title:hover { 
    opacity: .7; 
    transition: .3s; 
}

/* ==================== NAVIGATION ==================== */
nav.nav-main {
    background: var(--theme-green);
    padding: 6px 15px;
    position: relative;
    z-index: 50;
}

.nav-main .navbar-collapse {
    background: transparent;
}

.nav-main .navbar-nav {
    flex-direction: row;
    align-items: center;
    gap: 0;
}

.nav-main .nav-item {
    margin: 0;
}

.nav-main a {
    color: white !important;
    margin-right: 15px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 4px;
    transition: .3s;
    font-family: 'Montserrat', sans-serif;
    display: inline-block;
}

.nav-main a:hover {
    background: white;
    color: var(--theme-green) !important;
    transform: scale(1.03);
}

/* Active nav link styling */
.nav-main .nav-link.active,
.nav-main a.nav-link.active,
.navbar-nav .nav-link.active,
.nav-main a.active {
    background: white !important;
    color: var(--theme-green) !important;
    font-weight: 700 !important;
    border-radius: 6px !important;
}

.navbar-toggler { 
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 8px 10px;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.15rem rgba(255, 255, 255, 0.5);
}

/* ==================== BUTTONS ==================== */
.btn-success {
    --bs-btn-color: #fff;
    --bs-btn-bg: #015726;
    --bs-btn-border-color: #015726;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #013d1c;
    --bs-btn-hover-border-color: #013d1c;
    --bs-btn-focus-shadow-rgb: 1, 87, 38;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #013d1c;
    --bs-btn-active-border-color: #013d1c;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #015726;
    --bs-btn-disabled-border-color: #015726;
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
}

.btn-outline-success {
    --bs-btn-color: #015726;
    --bs-btn-border-color: #015726;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #015726;
    --bs-btn-hover-border-color: #015726;
    --bs-btn-focus-shadow-rgb: 1, 87, 38;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #015726;
    --bs-btn-active-border-color: #015726;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #015726;
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: #015726;
    --bs-gradient: none;
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
}

.top-logo-bar .btn-success.dropdown-toggle {
    background-color: white !important;
    border: 2px solid var(--theme-green) !important;
    color: var(--theme-green) !important;
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
    font-size: 0.95rem !important;
    border-radius: 50px !important;
    transition: all 0.3s ease !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-logo-bar .btn-success.dropdown-toggle:hover {
    background-color: var(--theme-green) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(1, 87, 38, 0.3);
}

.top-logo-bar .btn-success.dropdown-toggle i {
    font-size: 1.1rem;
}

.top-logo-bar .btn-success.dropdown-toggle .user-name {
    display: inline-block;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.top-logo-bar .btn-outline-success {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
    padding: 8px 16px !important;
    font-size: 0.95rem !important;
    border-radius: 50px !important;
}

/* ==================== DROPDOWN ==================== */
.dropdown-menu {
    font-size: 0.95rem;
    font-family: 'Montserrat', sans-serif;
    z-index: 200 !important;
    position: absolute !important;
    border: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 8px;
    min-width: 180px;
    background: white;
    color: #333;
}

.dropdown-item {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
    color: #333 !important;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    transform: translateX(4px);
}

.dropdown-item.text-danger {
    color: #dc3545 !important;
}

.dropdown-item.text-danger:hover {
    background-color: #fff5f5;
    color: #c82333 !important;
}

.dropdown-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.dropdown {
    position: relative;
    z-index: 9999;
}

/* ==================== HEADER BANNER ==================== */
.header-banner {
    height: 350px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    animation: fadeDown 1.8s ease-out forwards;
    z-index: 10;
    overflow: hidden;
    background: #333;
}

.header-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: white;
    z-index: 1;
}

.header-banner img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .40;
    filter: brightness(.75);
    z-index: 2;
}

.header-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-gray);
    z-index: 3;
}

.header-title {
    position: relative;
    color: white;
    font-size: 2.8rem;
    font-weight: 700;
    text-shadow: 0 5px 12px rgba(0,0,0,.85);
    transition: .4s;
    font-family: 'Montserrat', sans-serif;
    z-index: 4;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    animation: shimmerText 3s linear infinite;
}

@keyframes fadeDown {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes shimmerText {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* ==================== CONTENT ==================== */
.content-container {
    padding: 55px 0;
    flex: 1;
    position: relative;
    z-index: 10;
    background: transparent !important;
}

.content-container.has-header { 
    padding-top: 10px; 
}

.page-wrapper {
    flex: 1;
}

/* ==================== MESSAGES ==================== */
.messages-container {
    position: relative;
    z-index: 20;
}

/* ==================== PARTICLES ==================== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: linear-gradient(135deg, #013d1c 0%, var(--theme-green) 50%, #013d1c 100%);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: auto;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    overflow: hidden;
    z-index: 5;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h5 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.1rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    height: 80px;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.footer-description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

.contact-info {
    list-style: none;
    padding: 0;
}

.contact-info li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.contact-info li:hover {
    color: white;
    transform: translateX(5px);
}

.contact-info i {
    margin-right: 0.75rem;
    color: white;
    font-size: 1.1rem;
    min-width: 20px;
}

.contact-info a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-info a:hover {
    color: white;
    text-decoration: underline;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    height: 220px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.map-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(0.3) brightness(0.9);
    transition: all 0.3s ease;
}

.map-container:hover iframe {
    filter: grayscale(0) brightness(1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-copyright a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-copyright a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* ==================== AUTH BUTTONS RESPONSIVE ==================== */

.top-logo-bar > div:last-child {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-logo-bar .dropdown {
    position: relative;
}

.top-logo-bar .dropdown-toggle {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

/* ==================== RESEARCH NAVBAR MEGA DROPDOWN ==================== */

.research-mega-menu {
    min-width: 220px;
    border-radius: 12px;
    border: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
    padding: 8px;
    z-index: 9999;
    background: white !important;
}

.research-mega-menu .dropdown-item {
    border-radius: 8px;
    padding: 9px 14px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1a1a1a !important;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    text-align: left !important;
    display: flex !important;
    align-items: center !important;
}

.research-mega-menu .dropdown-item:hover {
    background: var(--theme-green) !important;
    color: white !important;
    transform: translateX(3px);
}

.research-all-link {
    color: var(--theme-green) !important;
    font-weight: 700 !important;
}

.research-all-link:hover {
    color: white !important;
}

.strand-emoji-sm {
    font-size: 1rem;
    margin-right: 4px;
}

/* ==================== DESKTOP DROPDOWN TEXT COLOR FIX ==================== */
/* nav-main sets color:white !important on all <a> — these higher-specificity
   rules restore green text inside the white dropdown panels. */

.nav-main .research-mega-menu .dropdown-item {
    color: var(--theme-green) !important;
    font-weight: 600 !important;
}

.nav-main .research-mega-menu .dropdown-item:hover {
    color: white !important;
}

.nav-main .research-mega-menu .research-all-link {
    color: var(--theme-green) !important;
    font-weight: 700 !important;
}

.nav-main .research-mega-menu .research-all-link:hover {
    color: white !important;
}

.nav-main .dropdown-submenu-menu .dropdown-item {
    color: var(--theme-green) !important;
    font-weight: 500 !important;
}

.nav-main .dropdown-submenu-menu .dropdown-item:hover {
    color: white !important;
}

.nav-main .research-mega-menu .strand-toggle {
    color: var(--theme-green) !important;
    font-weight: 600 !important;
}

.nav-main .research-mega-menu .strand-toggle:hover {
    color: white !important;
}

/* ==================== NESTED SUBMENU ==================== */

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu .strand-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.submenu-chevron {
    font-size: 0.7rem;
    opacity: 0.6;
    transition: transform 0.2s ease, opacity 0.2s;
    margin-left: auto;
    flex-shrink: 0;
}

@media (min-width: 992px) {
    .dropdown-submenu:hover .submenu-chevron {
        transform: rotate(90deg);
        opacity: 1;
    }
}

.dropdown-submenu.open .submenu-chevron {
    transform: rotate(90deg);
    opacity: 1;
}

.dropdown-submenu-menu {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 190px;
    border-radius: 12px;
    border: none;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
    padding: 8px;
    z-index: 10000;
    background: white !important;
}

.dropdown-submenu-menu .dropdown-item {
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #1a1a1a !important;
    transition: background 0.2s, color 0.2s, transform 0.15s;
}

.dropdown-submenu-menu .dropdown-item:hover {
    background: var(--theme-green) !important;
    color: white !important;
    transform: translateX(3px);
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.96) translateY(-4px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

@media (min-width: 992px) {
    .dropdown-submenu:hover > .dropdown-submenu-menu {
        display: block;
        animation: fadeInScale 0.15s ease-out;
    }
}

/* ==================== NAVBAR SEARCH BAR ==================== */

.navbar-search-wrapper {
    position: relative;
    flex-shrink: 0;
    margin-left: auto;
    width: 260px;
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-search-wrapper:focus-within {
    width: 420px;
}

.navbar-search-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    border-radius: 50px;
    padding: 5px 14px;
    width: 100%;
    transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
    overflow: hidden;
}

.navbar-search-container:focus-within {
    background: white;
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

.navbar-search-icon {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.9rem;
    flex-shrink: 0;
    pointer-events: none;
    transition: color 0.25s;
}

.navbar-search-container:focus-within .navbar-search-icon {
    color: var(--theme-green) !important;
}

.navbar-search-input {
    background: transparent;
    border: none;
    outline: none;
    color: white !important;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    flex: 1;
    min-width: 0;
    padding: 0 8px;
    transition: color 0.25s;
}

.navbar-search-container:focus-within .navbar-search-input {
    color: #1a1a1a !important;
}

.navbar-search-input::placeholder {
    color: rgba(255, 255, 255, 0.75) !important;
    transition: color 0.25s;
}

.navbar-search-container:focus-within .navbar-search-input::placeholder {
    color: #bbb !important;
}

.navbar-search-clear {
    background: none;
    border: none;
    padding: 0;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: color 0.2s;
    flex-shrink: 0;
}

.navbar-search-container:focus-within .navbar-search-clear {
    color: #888;
}

.navbar-search-clear:hover {
    color: var(--theme-green) !important;
}

.navbar-search-clear.visible {
    display: flex;
}

/* ==================== SEARCH RESULTS DROPDOWN ==================== */

.navbar-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    min-width: 300px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
    z-index: 99999;
    overflow: hidden;
    display: none;
    max-height: 420px;
    overflow-y: auto;
    color: #1a1a1a;
}

.navbar-search-results.visible {
    display: block;
    animation: fadeInScale 0.15s ease-out;
}

.navbar-search-results .search-results-header {
    padding: 10px 16px 6px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #999 !important;
    border-bottom: 1px solid #f0f0f0;
}

.navbar-search-results a.search-result-item,
.navbar-search-results .search-result-item {
    display: block;
    padding: 11px 16px;
    text-decoration: none;
    color: #1a1a1a !important;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.15s;
    background: white;
    margin-right: 0;
    border-radius: 0;
    font-weight: 500;
    transform: none !important;
}

.navbar-search-results a.search-result-item:last-of-type {
    border-bottom: none;
}

.navbar-search-results a.search-result-item:hover,
.navbar-search-results .search-result-item:hover {
    background: #f4faf6 !important;
    color: var(--theme-green) !important;
    transform: none !important;
}

.navbar-search-results .search-result-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.4;
    margin-bottom: 3px;
    color: inherit !important;
}

.navbar-search-results .search-result-title mark {
    background: #fffde7;
    color: var(--theme-green);
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 700;
}

.navbar-search-results .search-result-meta {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    color: #666 !important;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 4px;
}

.navbar-search-results .search-result-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    background: #e8f5ee;
    color: var(--theme-green) !important;
    font-weight: 700;
    font-size: 0.7rem;
}

.navbar-search-results .search-results-empty {
    padding: 20px 16px;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    color: #999 !important;
}

.navbar-search-results .search-results-empty i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 6px;
    opacity: 0.4;
    color: #999 !important;
}

.navbar-search-results .search-results-loading {
    padding: 16px;
    text-align: center;
    color: #999 !important;
}

.navbar-search-results .search-results-loading .spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 0.15em;
    color: var(--theme-green);
}

.navbar-search-results a.search-result-see-all {
    display: block;
    padding: 10px 16px;
    text-align: center;
    background: #f8fffe;
    color: var(--theme-green) !important;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 700 !important;
    text-decoration: none;
    border-top: 1px solid #e8f5ee;
    transition: background 0.15s;
    margin-right: 0;
    border-radius: 0;
    transform: none !important;
}

.navbar-search-results a.search-result-see-all:hover {
    background: #e8f5ee !important;
    color: var(--theme-green) !important;
    transform: none !important;
}

/* ── Search result keyword chips ─────────────────────────────
   Rendered by navbar-search.js when the backend returns
   a `keywords` array on each paper result object.
   ---------------------------------------------------------- */
.navbar-search-results .search-result-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 5px;
}

.navbar-search-results .search-result-keyword {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    background: #f0f8f3;
    border: 1px solid #c4e0cc;
    color: #2d7a4f !important;
    font-size: 0.68rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.02em;
    transition: background 0.15s, color 0.15s;
}

/* keyword chips keep their green styling even when the parent row is hovered */

/* ==================== MOBILE RESPONSIVE ==================== */

@media (max-width: 991px) {
    .navbar-collapse {
        background: white !important;
    }
}

@media (max-width: 768px) {
    .top-logo-bar {
        padding: 10px 15px;
        display: flex;
        flex-wrap: nowrap;
        gap: 0.5rem;
    }
    
    .top-logo-bar > a {
        flex: 1;
        min-width: 0;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .top-logo-bar img {
        height: 36px;
        flex-shrink: 0;
    }
    
    .top-title {
        font-size: 0.9rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .top-logo-bar .dropdown {
        flex-shrink: 0;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle {
        padding: 8px 12px !important;
        font-size: 0.85rem !important;
        gap: 0.35rem;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle i {
        font-size: 1rem;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle .user-name {
        max-width: 140px;
    }
    
    .top-logo-bar > div:last-child {
        flex-shrink: 0;
        gap: 0.25rem;
    }
    
    .top-logo-bar .btn {
        padding: 6px 12px !important;
        font-size: 0.85rem !important;
    }
    
    nav.nav-main {
        padding: 3px 10px;
    }
    
    .navbar-toggler {
        padding: 5px 7px;
        font-size: 0.85rem;
    }
    
    .navbar-toggler-icon {
        width: 20px;
        height: 20px;
    }

    .header-banner {
        height: 250px;
    }
    
    .header-title {
        font-size: 2rem;
    }
    
    .content-container {
        padding: 30px 0;
    }
    
    .content-container.has-header {
        padding-top: 20px;
    }
    
    .navbar-collapse {
        margin-top: 6px !important;
        padding: 8px !important;
    }
    
    .navbar-collapse .nav-link {
        padding: 6px 10px !important;
        font-size: 0.85rem !important;
        margin-bottom: 3px !important;
    }
    
    .navbar-collapse .nav-link i {
        font-size: 0.9rem !important;
        margin-right: 0.4rem !important;
    }
}

@media (max-width: 576px) {
    .top-logo-bar {
        padding: 8px 12px;
    }
    
    .top-logo-bar img {
        height: 32px;
    }
    
    .top-title {
        font-size: 0.8rem;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
        min-width: auto;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle i {
        font-size: 0.95rem;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle .user-name {
        max-width: 90px;
        font-size: 0.75rem;
    }
    
    .top-logo-bar .btn {
        padding: 5px 10px !important;
        font-size: 0.75rem !important;
    }
    
    nav.nav-main {
        padding: 2px 8px;
    }
    
    .navbar-toggler {
        padding: 4px 6px;
        font-size: 0.8rem;
    }
    
    .navbar-toggler-icon {
        width: 18px;
        height: 18px;
    }
    
    .navbar-collapse {
        margin-top: 5px !important;
        padding: 6px !important;
        margin-bottom: 5px !important;
    }
    
    .navbar-collapse .nav-link {
        padding: 5px 8px !important;
        font-size: 0.8rem !important;
        margin-bottom: 2px !important;
    }
    
    .navbar-collapse .nav-link i {
        font-size: 0.85rem !important;
        margin-right: 0.3rem !important;
    }
    
    .navbar-collapse .nav-link:last-child {
        margin-bottom: 0 !important;
    }

    .header-banner {
        height: 200px;
    }
    
    .header-title {
        font-size: 1.5rem;
        padding: 0 15px;
    }
    
    .content-container {
        padding: 20px 0 40px !important;
    }
    
    .page-wrapper {
        padding-bottom: 40px;
    }

    .site-footer {
        padding: 2rem 0 1rem;
    }

    .footer-logo img {
        height: 60px;
    }

    .footer-tagline {
        font-size: 1rem;
    }

    .map-container {
        height: 180px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
        padding: 0 10px;
    }

    .navbar-search-container {
        padding: 4px 10px;
    }

    .navbar-search-input {
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    .top-logo-bar {
        padding: 6px 10px;
    }
    
    .top-logo-bar img {
        height: 28px;
    }
    
    .top-title {
        font-size: 0.7rem;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle {
        padding: 5px 8px !important;
        font-size: 0.75rem !important;
        min-width: 36px;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle i {
        font-size: 0.9rem;
        margin: 0;
    }
    
    .top-logo-bar .btn-success.dropdown-toggle .user-name {
        display: none !important;
    }
    
    .top-logo-bar .btn {
        padding: 4px 8px !important;
        font-size: 0.7rem !important;
    }
    
    .navbar-collapse .nav-link {
        padding: 4px 6px !important;
        font-size: 0.75rem !important;
    }

    .dropdown-menu {
        min-width: 140px;
        font-size: 0.8rem;
    }
    
    .dropdown-item {
        padding: 6px 10px;
    }
}

@media (max-width: 991px) {
    nav.nav-main {
        padding: 10px 15px;
    }
    
    .nav-main .navbar-nav {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-main > .container-fluid > .navbar-collapse > .navbar-nav > .nav-item > a {
        margin-right: 0;
        margin-bottom: 5px;
        display: block;
        text-align: center;
    }

    .nav-main a.nav-link {
        margin-right: 0;
        margin-bottom: 5px;
        display: block;
        text-align: center;
    }
    
    .navbar-collapse {
        margin-top: 10px;
        padding: 10px;
        border-radius: 8px;
        background: white !important;
    }
    
    .navbar-nav {
        padding: 10px 0;
    }
    
    .navbar-collapse .nav-link {
        color: var(--theme-green) !important;
    }

    .navbar-collapse .nav-link:hover,
    .navbar-collapse .nav-link.active {
        background: var(--theme-green) !important;
        color: white !important;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-logo {
        align-items: center;
        text-align: center;
    }

    .footer-section h5 {
        text-align: center;
    }

    .contact-info {
        text-align: left;
    }

    /* ── Mobile dropdown: full-width, centered, inline ── */
    .nav-main .research-nav-dropdown .research-mega-menu {
        position: static !important;
        width: 100% !important;
        min-width: 0 !important;
        box-shadow: none !important;
        border: 1.5px solid #d0ead9 !important;
        border-radius: 10px !important;
        margin: 4px 0 8px 0 !important;
        padding: 6px !important;
        background: white !important;
        animation: none !important;
    }

    .nav-main .research-mega-menu .dropdown-item {
        width: 100% !important;
        text-align: left !important;
        display: flex !important;
        align-items: center !important;
    }

    .nav-main .research-mega-menu .strand-toggle {
        justify-content: space-between !important;
        color: var(--theme-green) !important;
    }

    .nav-main .research-mega-menu .strand-toggle:hover,
    .nav-main .research-mega-menu .dropdown-submenu.open > .strand-toggle {
        background: var(--theme-green) !important;
        color: white !important;
    }

    .nav-main .dropdown-submenu-menu {
        width: 100% !important;
        min-width: 0 !important;
    }
}

/* ==================== GREEN NAVBAR RESPONSIVE ==================== */

@media (max-width: 991px) {
    nav.nav-main {
        padding: 4px 12px;
    }
    
    .navbar-toggler {
        padding: 6px 8px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    nav.nav-main {
        padding: 2px 8px;
    }
    
    .navbar-toggler {
        padding: 4px 6px;
        font-size: 0.8rem;
    }
    
    .navbar-toggler-icon {
        width: 18px;
        height: 18px;
    }
}

/* ==================== MOBILE MENU ITEMS ==================== */

@media (max-width: 991px) {
    .navbar-collapse {
        margin-top: 8px !important;
        padding: 10px !important;
    }
    
    .navbar-collapse .nav-link {
        padding: 8px 12px !important;
        font-size: 0.9rem !important;
        margin-bottom: 4px !important;
    }
    
    .navbar-collapse .nav-link i {
        font-size: 0.95rem !important;
    }
}

@media (max-width: 576px) {
    .dropdown-menu {
        min-width: 160px;
        font-size: 0.85rem;
    }
    
    .dropdown-item {
        padding: 8px 12px;
    }
    
    .dropdown-item i {
        font-size: 1rem;
    }
}

/* ==================== MOBILE NAVBAR SEARCH ==================== */

@media (max-width: 991px) {
    .navbar-search-wrapper {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 8px;
        margin-bottom: 4px;
        transition: none;
    }

    .navbar-search-wrapper:focus-within {
        width: 100% !important;
    }

    .navbar-search-container {
        width: 100%;
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.4);
    }

    .navbar-collapse .navbar-search-container {
        background: #f0f8f3;
        border-color: var(--theme-green);
    }

    .navbar-collapse .navbar-search-container:focus-within {
        background: white;
        border-color: var(--theme-green);
        box-shadow: 0 0 0 3px rgba(1, 87, 38, 0.15);
    }

    .navbar-collapse .navbar-search-input {
        color: var(--theme-green) !important;
    }

    .navbar-collapse .navbar-search-container:focus-within .navbar-search-input {
        color: #1a1a1a !important;
    }

    .navbar-collapse .navbar-search-input::placeholder {
        color: rgba(1, 87, 38, 0.5) !important;
    }

    .navbar-collapse .navbar-search-icon {
        color: var(--theme-green) !important;
    }

    .navbar-collapse .navbar-search-clear {
        color: #888;
    }

    .navbar-search-results {
        left: 0;
        right: 0;
        min-width: 0;
        width: 100%;
    }

    /* Mobile submenu: expand below instead of flying out to the side */
    .dropdown-submenu-menu {
        position: static !important;
        box-shadow: none !important;
        border-radius: 8px !important;
        margin: 4px 0 !important;
        border-left: 3px solid #e8f5ee !important;
        padding: 4px 0 !important;
        background: #fafffe !important;
        display: none !important;
    }

    .dropdown-submenu.open > .dropdown-submenu-menu {
        display: block !important;
    }

    /* Strand toggle rows */
    .navbar-collapse .strand-toggle {
        display: flex !important;
        align-items: center !important;
        text-align: left !important;
        justify-content: space-between !important;
        color: var(--theme-green) !important;
        padding: 8px 12px !important;
        border-radius: 8px !important;
        font-weight: 600 !important;
    }

    .navbar-collapse .strand-toggle:hover,
    .dropdown-submenu.open > .strand-toggle {
        background: var(--theme-green) !important;
        color: white !important;
    }

    .navbar-collapse .strand-toggle:hover .submenu-chevron,
    .dropdown-submenu.open > .strand-toggle .submenu-chevron {
        color: white !important;
    }

    .dropdown-submenu.open > .strand-toggle {
        border-bottom-left-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
    }

    /* Submenu items inside mobile expanded menu */
    .dropdown-submenu-menu .dropdown-item {
        color: var(--theme-green) !important;
        padding: 7px 14px !important;
        font-size: 0.85rem !important;
    }

    .dropdown-submenu-menu .dropdown-item:hover {
        background: var(--theme-green) !important;
        color: white !important;
        transform: none !important;
    }

    /* Chevron rotation on open */
    .dropdown-submenu.open .submenu-chevron {
        transform: rotate(90deg) !important;
        opacity: 1 !important;
    }
}