/* HueBen: Theme TH1090 - Website Trường Đại học Điều dưỡng Nam Định (NDUN) */
/* HueBen: File CSS Responsive - Tối ưu hoàn hảo đa thiết bị (Desktop, Laptop, Tablet, Mobile) */

/* Large Laptops & Tablets Landscape (<= 1100px) */
@media screen and (max-width: 1100px) {
  .nav-link-item {
    font-size: 13.5px;
    padding: 6px 2px;
  }
  .main-nav-links {
    gap: 12px;
  }
  .top-shape-links {
    gap: 10px;
    font-size: 13px;
  }
  .top-shape-links a {
    font-size: 13px;
  }
  .header-search-box input {
    width: 130px;
  }
  .partners-8-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tablets (<= 992px) */
@media screen and (max-width: 992px) {
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
    padding: 6px 15px;
  }

  .site-brand-logo {
    padding: 6px 0;
    flex-shrink: 0;
  }

  .top-blue-shape {
    display: none;
  }

  .header-right-col {
    margin-left: auto;
    flex-grow: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-direction: row;
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0;
    margin-left: auto;
  }

  .main-nav-links {
    position: fixed;
    top: 74px;
    left: -100%;
    width: 290px;
    height: calc(100vh - 74px);
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    z-index: 1500;
    gap: 4px;
  }

  .main-nav-links.active {
    left: 0;
  }

  .nav-link-item {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
  }

  .nav-item-dropdown {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border: none;
    background-color: var(--bg-blue-tint);
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 4px 6px;
    margin: 2px 0 6px;
    border-radius: var(--radius-sm);
    pointer-events: auto;
  }

  .nav-item-dropdown.open .dropdown-menu {
    display: block;
  }

  /* Mobile Submenu đa cấp */
  .dropdown-submenu-item {
    width: 100%;
  }

  .dropdown-menu-sub {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    pointer-events: auto !important;
    box-shadow: none !important;
    border: none !important;
    border-left: 2px solid var(--primary-light) !important;
    border-radius: 0 !important;
    padding: 2px 0 2px 8px !important;
    margin: 4px 0 4px 10px !important;
    background: #ffffff !important;
    display: none !important;
  }

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

  .dropdown-submenu-item.open > .dropdown-link-item .submenu-arrow-icon {
    transform: rotate(90deg);
  }

  /* Grid Layouts on Tablet */
  .quick-cards-8-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .announcements-6-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-showcase-grid {
    grid-template-columns: 1fr;
  }

  .about-3col-grid {
    grid-template-columns: 1fr;
  }

  .four-banners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .science-4-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .admissions-2col-layout {
    grid-template-columns: 1fr;
  }

  .faculties-6-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .media-dual-grid {
    grid-template-columns: 1fr;
  }

  .footer-5col-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-5col-grid > div:last-child {
    grid-column: span 2;
  }

  /* Subpages Tablet Responsive */
  .news-layout-2col {
    grid-template-columns: 1fr;
  }

  .featured-news-card {
    grid-template-columns: 1fr;
  }

  .news-cards-3x3-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-news-5grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-top-cards-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .contact-top-item {
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 14px;
  }

  .contact-middle-2col {
    grid-template-columns: 1fr;
  }

  .depts-5cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile Devices (<= 768px) */
@media screen and (max-width: 768px) {
  .site-brand-logo {
    padding: 8px 0;
  }

  .logo-emblem {
    height: 44px;
  }

  .logo-title-1, .logo-title-2 {
    font-size: 12.5px;
  }

  .logo-title-en {
    font-size: 7.5px;
  }

  .quick-cards-8-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .quick-action-card {
    min-height: 100px;
    padding: 14px 6px;
  }

  .quick-card-icon {
    font-size: 26px;
    margin-bottom: 8px;
  }

  .quick-card-text {
    font-size: 12px;
  }

  .announcements-6-grid {
    grid-template-columns: 1fr;
  }

  .about-numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .four-banners-grid {
    grid-template-columns: 1fr;
  }

  .science-4-grid {
    grid-template-columns: 1fr;
  }

  .faculties-6-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-dual-wrap {
    grid-template-columns: 1fr;
  }

  .photos-6-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners-8-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-5col-grid {
    grid-template-columns: 1fr;
  }

  .footer-5col-grid > div:last-child {
    grid-column: span 1;
  }

  .footer-bottom-bar {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .news-hero-title {
    font-size: 28px;
  }

  .admissions-grid {
    grid-template-columns: 1fr !important;
  }

  .faculties-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Small Mobiles (<= 600px) */
@media screen and (max-width: 600px) {
  .news-cards-3x3-grid {
    grid-template-columns: 1fr !important;
  }

  .related-news-5grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .contact-top-cards-bar {
    grid-template-columns: 1fr !important;
  }

  .form-2col-row {
    grid-template-columns: 1fr !important;
  }

  .depts-5cards-grid {
    grid-template-columns: 1fr !important;
  }

  .news-tabs-bar {
    gap: 8px;
  }

  .news-tab-item, .news-tab-btn {
    padding: 8px 14px;
    font-size: 12px;
  }

  .four-banners-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
}

@media screen and (max-width: 992px) {
  .four-banners-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
}