/**
 * MODERN MOBILE MENU - REDESIGNED
 * Concept: Thin header (20px) when closed, full screen when open
 * Only logo + hamburger visible when closed
 */

/* ===== DESKTOP FIXES (≥768px) ===== */
@media (min-width: 768px) {
    /* Hide hamburger button on desktop */
    .navbar-toggle {
        display: none !important;
    }
    
    /* Ensure desktop menu shows normally */
    .navbar-collapse {
        display: flex !important;
        position: static !important;
        background: transparent !important;
        height: auto !important;
        overflow: visible !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* Restore desktop navbar styles */
    .navbar-nav {
        display: flex !important;
        flex-direction: row !important;
    }
    
    .navbar-right {
        display: flex !important;
        flex-direction: row !important;
    }
}

/* ===== MODERN MOBILE DESIGN (≤767px) ===== */
@media (max-width: 767px) {
    
    /* MOBILE HEADER */
    .cb-header {
        height: 48px !important;
        min-height: 48px !important;
        background: rgba(255,255,255,0.95) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border-bottom: 1px solid rgba(0,0,0,0.1) !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
    }
    
    /* EXPANDED HEADER WHEN MENU OPEN */
    body.menu-open .cb-header {
        height: 120vh !important;
        background: #ffffff !important;
        backdrop-filter: none !important;
        border-bottom: none !important;
        overflow-y: auto !important;
    }
    
    /* CONTAINER ADJUSTMENTS */
    .cb-header .container {
        height: 20px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0 15px !important;
        transition: all 0.4s ease !important;
    }
    
    body.menu-open .cb-header .container {
        height: 120vh !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        padding: 40px 20px 60px 20px !important;
    }
    
    /* HIDE DESKTOP MENU COMPLETELY */
    .navbar-collapse,
    .cb_collapse {
        display: none !important;
    }
    
    /* MINI LOGO IN THIN HEADER */
    .navbar-header {
        display: flex !important;
        align-items: center !important;
        height: 20px !important;
    }
    
    .navbar-nav .logo-pc {
        height: 16px !important;
        width: auto !important;
        filter: drop-shadow(0 1px 3px rgba(0,0,0,0.2)) !important;
        transition: all 0.4s ease !important;
    }
    
    /* EXPANDED LOGO WHEN MENU OPEN */
    body.menu-open .navbar-nav .logo-pc {
        height: 80px !important;
        margin: 20px 0 40px 0 !important;
        filter: drop-shadow(0 4px 20px rgba(0,0,0,0.1)) !important;
    }
    
    /* MODERN HAMBURGER BUTTON */
    .navbar-toggle {
        display: flex !important;
        position: fixed !important;
        right: 12px !important;
        top: 6px !important;
        width: 36px !important;
        height: 36px !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        z-index: 10001 !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    /* HAMBURGER LINES */
    .navbar-toggle .icon-bar {
        display: block !important;
        width: 16px !important;
        height: 2px !important;
        background: #333 !important;
        border-radius: 1px !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        margin: 0 !important;
    }
    
    /* EXPANDED HAMBURGER WHEN MENU OPEN */
    body.menu-open .navbar-toggle {
        position: absolute !important;
        right: 20px !important;
        top: 20px !important;
        width: 30px !important;
        height: 30px !important;
    }
    
    body.menu-open .navbar-toggle .icon-bar {
        background: #333 !important;
        width: 30px !important;
        height: 3px !important;
    }
    
    /* X ANIMATION WHEN ACTIVE */
    .navbar-toggle.active .icon-bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px) !important;
    }
    
    .navbar-toggle.active .icon-bar:nth-child(2) {
        opacity: 0 !important;
        transform: scale(0) !important;
    }
    
    .navbar-toggle.active .icon-bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px) !important;
    }
    
    /* SHOW MENU CONTENT WHEN OPEN - MULTIPLE SELECTORS */
    body.menu-open .navbar-collapse,
    body.menu-open .cb_collapse,
    .navbar-collapse.in,
    .cb_collapse.in {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        width: 100% !important;
        height: auto !important;
        padding: 0 20px !important;
        margin-top: 20px !important;
        position: fixed !important;
        top: 60px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: #ffffff !important;
        z-index: 9999 !important;
        overflow-y: auto !important;
    }
    
    /* FORCE NAVBAR-RIGHT TO SHOW */
    body.menu-open .navbar-right {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* FORCE SINGLE COLUMN LAYOUT - MULTIPLE SELECTORS */
    body.menu-open .navbar-nav,
    body.menu-open .nav.navbar-nav,
    body.menu-open .cb_collapse .navbar-nav,
    .navbar-collapse.in .navbar-nav,
    .navbar-collapse.in .nav.navbar-nav,
    .cb_collapse.in .navbar-nav,
    .cb_collapse.in .nav.navbar-nav {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        width: 100% !important;
        max-width: 300px !important;
        margin: 0 auto !important;
        padding: 0 !important;
        list-style: none !important;
        grid-template-columns: none !important; /* Override any grid */
    }
    
    /* UNIFORM MENU ITEMS - MULTIPLE SELECTORS */
    body.menu-open .navbar-nav > li,
    body.menu-open .nav.navbar-nav > li,
    body.menu-open .cb_collapse .navbar-nav > li,
    .navbar-collapse.in .navbar-nav > li,
    .navbar-collapse.in .nav.navbar-nav > li,
    .cb_collapse.in .navbar-nav > li,
    .cb_collapse.in .nav.navbar-nav > li {
        display: block !important;
        width: 100% !important;
        height: 50px !important;
        min-height: 50px !important;
        max-height: 50px !important;
        background: #f8f9fa !important;
        border: 2px solid #e9ecef !important;
        border-radius: 12px !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
        transition: all 0.3s ease !important;
        transform: translateY(0px) !important;
        opacity: 1 !important;
        animation: none !important;
        margin: 0 !important;
        float: none !important;
        grid-column: unset !important;
        visibility: visible !important;
    }
    
    /* STAGGERED ANIMATION */
    body.menu-open .navbar-nav > li:nth-child(1) { animation-delay: 0.1s !important; }
    body.menu-open .navbar-nav > li:nth-child(2) { animation-delay: 0.2s !important; }
    body.menu-open .navbar-nav > li:nth-child(3) { animation-delay: 0.3s !important; }
    body.menu-open .navbar-nav > li:nth-child(4) { animation-delay: 0.4s !important; }
    body.menu-open .navbar-nav > li:nth-child(5) { animation-delay: 0.5s !important; }
    
    @keyframes slideInUp {
        to {
            transform: translateY(0) !important;
            opacity: 1 !important;
        }
    }
    
    /* UNIFORM MENU LINKS - MULTIPLE SELECTORS */
    body.menu-open .navbar-nav > li > a,
    body.menu-open .nav.navbar-nav > li > a,
    body.menu-open .cb_collapse .navbar-nav > li > a,
    .navbar-collapse.in .navbar-nav > li > a,
    .navbar-collapse.in .nav.navbar-nav > li > a,
    .cb_collapse.in .navbar-nav > li > a,
    .cb_collapse.in .nav.navbar-nav > li > a {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        height: 50px !important;
        width: 100% !important;
        color: #2c3e50 !important;
        font-size: 15px !important;
        font-weight: 600 !important;
        text-decoration: none !important;
        text-align: center !important;
        transition: all 0.3s ease !important;
        border-radius: 12px !important;
        padding: 0 15px !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* HOVER EFFECTS */
    body.menu-open .navbar-nav > li:hover,
    body.menu-open .nav.navbar-nav > li:hover,
    body.menu-open .cb_collapse .navbar-nav > li:hover {
        background: #ffffff !important;
        border-color: #007bff !important;
        transform: translateY(-1px) !important;
        box-shadow: 0 4px 15px rgba(0,123,255,0.15) !important;
    }
    
    /* TEXT STYLING - MULTIPLE SELECTORS */
    body.menu-open .navbar-nav > li > a > span,
    body.menu-open .nav.navbar-nav > li > a > span,
    body.menu-open .cb_collapse .navbar-nav > li > a > span,
    .navbar-collapse.in .navbar-nav > li > a > span,
    .navbar-collapse.in .nav.navbar-nav > li > a > span,
    .cb_collapse.in .navbar-nav > li > a > span,
    .cb_collapse.in .nav.navbar-nav > li > a > span {
        color: #2c3e50 !important;
        font-weight: 600 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    body.menu-open .navbar-nav > li:hover > a > span,
    body.menu-open .nav.navbar-nav > li:hover > a > span,
    body.menu-open .cb_collapse .navbar-nav > li:hover > a > span,
    .navbar-collapse.in .navbar-nav > li:hover > a > span,
    .navbar-collapse.in .nav.navbar-nav > li:hover > a > span,
    .cb_collapse.in .navbar-nav > li:hover > a > span,
    .cb_collapse.in .nav.navbar-nav > li:hover > a > span {
        color: #007bff !important;
    }
    
    /* BOTTOM SECTION - CONTACT & LANGUAGE */
    body.menu-open .navbar-right {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
        margin-top: 25px !important;
        width: 100% !important;
        max-width: 300px !important;
        animation: slideInUp 0.6s ease forwards !important;
        animation-delay: 0.6s !important;
        opacity: 0 !important;
        transform: translateY(20px) !important;
        visibility: visible !important;
    }
    
    /* FORCE CONTACT INFO TO SHOW */
    body.menu-open .contact-info {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: #f8f9fa !important;
        border: 2px solid #e9ecef !important;
        border-radius: 12px !important;
        padding: 15px !important;
        text-align: center !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
        transition: all 0.3s ease !important;
        height: 50px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* FORCE LANGUAGE SWITCHER TO SHOW */
    body.menu-open .language-switcher {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    body.menu-open .language-switcher .dropdown-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: #f8f9fa !important;
        border: 2px solid #e9ecef !important;
        border-radius: 12px !important;
        padding: 15px !important;
        color: #2c3e50 !important;
        text-decoration: none !important;
        font-weight: 600 !important;
        gap: 8px !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
        transition: all 0.3s ease !important;
        height: 50px !important;
        width: 100% !important;
        font-size: 15px !important;
    }
    
    /* HOVER EFFECTS FOR BOTTOM SECTION */
    body.menu-open .contact-info:hover {
        background: #ffffff !important;
        border-color: #007bff !important;
        transform: translateY(-1px) !important;
        box-shadow: 0 4px 15px rgba(0,123,255,0.15) !important;
    }
    
    body.menu-open .language-switcher .dropdown-toggle:hover {
        background: #ffffff !important;
        border-color: #28a745 !important;
        transform: translateY(-1px) !important;
        box-shadow: 0 4px 15px rgba(40,167,69,0.15) !important;
        color: #28a745 !important;
    }
    
    /* FORCE ALL TEXT TO SHOW */
    body.menu-open .contact-info *,
    body.menu-open .language-switcher * {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        color: #2c3e50 !important;
    }
    
    body.menu-open .hotline-number {
        font-weight: 700 !important;
        color: #007bff !important;
    }
    
    /* LOCK BODY SCROLL WHEN MENU OPEN */
    body.menu-open {
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
        height: 100% !important;
    }
    
    
    /* FORCE BOTTOM SECTION */
    .navbar-collapse.in .navbar-right,
    .cb_collapse.in .navbar-right {
        display: flex !important;
        flex-direction: column !important;
        gap: 20px !important;
        padding: 30px 20px !important;
        width: 100% !important;
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%) !important;
        border-top: 3px solid #007bff !important;
        margin-top: auto !important;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.1) !important;
    }
    
    /* DESKTOP-STYLE CONTACT CARD */
    .navbar-collapse.in .contact-info,
    .cb_collapse.in .contact-info {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: linear-gradient(135deg, #007bff 0%, #0056b3 100%) !important;
        color: white !important;
        padding: 25px !important;
        border-radius: 20px !important;
        text-align: center !important;
        box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4) !important;
        border: 3px solid rgba(255,255,255,0.2) !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .navbar-collapse.in .contact-info *,
    .cb_collapse.in .contact-info * {
        color: white !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-collapse.in .contact-label,
    .cb_collapse.in .contact-label {
        font-size: 14px !important;
        font-weight: 600 !important;
        margin-bottom: 8px !important;
        text-transform: uppercase !important;
        letter-spacing: 1px !important;
    }
    
    .navbar-collapse.in .hotline-number,
    .cb_collapse.in .hotline-number {
        font-size: 22px !important;
        font-weight: 800 !important;
        text-shadow: 0 2px 4px rgba(0,0,0,0.3) !important;
    }
    
    /* MODERN LANGUAGE SWITCHER */
    .navbar-collapse.in .language-switcher,
    .cb_collapse.in .language-switcher {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-collapse.in .language-switcher .dropdown-toggle,
    .cb_collapse.in .language-switcher .dropdown-toggle {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 15px !important;
        padding: 25px !important;
        background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
        color: white !important;
        border-radius: 20px !important;
        text-decoration: none !important;
        font-weight: 700 !important;
        font-size: 16px !important;
        box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4) !important;
        border: 3px solid rgba(255,255,255,0.2) !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    /* FORCE HAMBURGER BUTTON VISIBILITY */
    .navbar-toggle {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: fixed !important;
        right: 15px !important;
        top: 5px !important;
        z-index: 10001 !important;
        width: 50px !important;
        height: 50px !important;
        background: #ffffff !important;
        border: 2px solid #000000 !important;
        border-radius: 14px !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        cursor: pointer !important;
        pointer-events: auto !important;
        box-shadow: 0 4px 20px rgba(0,0,0,0.2) !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    /* EXPANDED SIZE WHEN MENU IS OPEN */
    .navbar-toggle.active {
        width: 60px !important;
        height: 60px !important;
        border-radius: 18px !important;
        background: #f8f9fa !important;
        border-color: #007bff !important;
        box-shadow: 0 8px 30px rgba(0, 123, 255, 0.3) !important;
        transform: scale(1.1) !important;
    }
    
    /* HOVER EFFECTS */
    .navbar-toggle:hover {
        transform: scale(1.05) !important;
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25) !important;
        background: #f8f9fa !important;
    }
    
    .navbar-toggle.active:hover {
        transform: scale(1.15) !important;
        box-shadow: 0 10px 35px rgba(0, 123, 255, 0.4) !important;
    }
    
    /* FORCE 3 ICON BARS VISIBILITY */
    .navbar-toggle .icon-bar {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 26px !important;
        height: 3px !important;
        background-color: #000000 !important;
        background: #000000 !important;
        margin: 4px 0 !important;
        border-radius: 3px !important;
        transition: all 0.3s ease !important;
    }
    
    /* ENSURE 3 BARS ARE SPACED */
    .navbar-toggle .icon-bar:nth-child(1) {
        margin-top: 0 !important;
    }
    
    .navbar-toggle .icon-bar:nth-child(2) {
        margin: 4px 0 !important;
    }
    
    .navbar-toggle .icon-bar:nth-child(3) {
        margin-bottom: 0 !important;
    }
    
    /* ACTIVE STATE (X) */
    .navbar-toggle.active .icon-bar:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px) !important;
    }
    
    .navbar-toggle.active .icon-bar:nth-child(2) {
        opacity: 0 !important;
        transform: scale(0) !important;
    }
    
    .navbar-toggle.active .icon-bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px) !important;
    }
    
    /* HIDE DESKTOP MENU */
    .navbar-collapse {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    /* SHOW MOBILE MENU WHEN OPEN - FORCE EVERYTHING */
    .navbar-collapse.in,
    .cb_collapse.in,
    .navbar-collapse.collapse.in {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: fixed !important;
        top: 60px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(255,255,255,0.98) !important;
        z-index: 10000 !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        animation: slideDown 0.3s ease !important;
        transform: none !important;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* MODERN 1-COLUMN LAYOUT - SHOW WHEN MENU OPEN */
    .navbar-collapse.in .navbar-nav,
    .navbar-collapse.in .nav.navbar-nav {
        display: flex !important;                 /* THAY ĐỔI: Chuyển sang Flexbox */
        flex-direction: column !important;         /* THAY ĐỔI: Sắp xếp theo cột */
        align-items: center !important;            /* THAY ĐỔI: Căn giữa cột theo chiều ngang */
        gap: 12px !important;                      /* Điều chỉnh lại khoảng cách dọc */
        padding: 20px !important;
        margin: 0 auto !important;                 /* Căn giữa khối menu */
        list-style: none !important;
        width: 100% !important;
        max-width: 350px !important;               /* Giới hạn chiều rộng tối đa của cột */
        flex: none !important;
        order: 1 !important;
    }
    
    /* FORCE MENU ITEMS VISIBILITY */
    .navbar-collapse.in .navbar-nav > li {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: #ffffff !important;
        border: 2px solid #e9ecef !important;
        border-radius: 16px !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
        min-height: 80px !important;
    }
    
    /* FORCE LINKS VISIBILITY */
    .navbar-collapse.in .navbar-nav > li > a {
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 20px 12px !important;
        text-decoration: none !important;
        color: #2c3e50 !important;
        font-size: 15px !important;
        font-weight: 700 !important;
        min-height: 80px !important;
        text-align: center !important;
    }
    
    /* FORCE TEXT VISIBILITY */
    .navbar-collapse.in .navbar-nav > li > a > span {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        color: #2c3e50 !important;
    }
    
    /* FORCE BOTTOM SECTION */
    .navbar-collapse.in .navbar-right,
    .navbar-collapse.in .cb_collapse .navbar-right {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
        padding: 20px !important;
        width: 100% !important;
        background: #f8f9fa !important;
        border-top: 2px solid #e9ecef !important;
        order: 2 !important;
        flex: none !important;
        min-width: 100% !important;
    }
    
    /* FORCE CONTACT VISIBILITY */
    .navbar-collapse.in .contact-info {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: linear-gradient(135deg, #007bff, #0056b3) !important;
        color: white !important;
        padding: 20px !important;
        border-radius: 16px !important;
        text-align: center !important;
    }
    
    .navbar-collapse.in .contact-info * {
        color: white !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* FORCE LANGUAGE VISIBILITY */
    .navbar-collapse.in .language-switcher {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-collapse.in .language-switcher .dropdown-toggle {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 12px !important;
        padding: 20px !important;
        background: linear-gradient(135deg, #28a745, #20c997) !important;
        color: white !important;
        border-radius: 16px !important;
        text-decoration: none !important;
    }
    
    /* LOCK BODY SCROLL */
    body.menu-open {
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
    }
}

/* =========================================
   MOBILE ONE-COLUMN + EQUAL CARDS (OVERRIDE)
   ========================================= */
@media (max-width: 767px) {
  /* Tham số chiều cao & bo góc cho mọi "ô" */
  :root {
    --m-card-h: 68px;   /* chỉnh 60–80 nếu muốn */
    --m-card-r: 14px;
  }

  /* Khung menu khi mở: căn dọc, chiếm full-width, không dùng grid */
  body.menu-open .navbar-collapse,
  body.menu-open .cb_collapse,
  .navbar-collapse.in,
  .cb_collapse.in {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;        /* để con full-width */
    justify-content: flex-start !important;
    padding: 0 !important;
  }

  /* Dùng 1 cột: bỏ grid 2 cột, chuyển sang flex-column */
  body.menu-open .navbar-nav,
  body.menu-open .nav.navbar-nav,
  body.menu-open .cb_collapse .navbar-nav,
  .navbar-collapse.in .navbar-nav,
  .navbar-collapse.in .nav.navbar-nav,
  .cb_collapse.in .navbar-nav,
  .cb_collapse.in .nav.navbar-nav {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    grid-template-columns: none !important; /* override mọi grid cũ */
    width: 100% !important;
    max-width: 1500px !important;           /* Đồng nhất với các blocks khác */
    margin: 0 auto !important;
    padding: 20px 24px !important;
  }

  /* Mỗi item là 1 "ô" bằng nhau */
  body.menu-open .navbar-nav > li,
  body.menu-open .nav.navbar-nav > li,
  body.menu-open .cb_collapse .navbar-nav > li,
  .navbar-collapse.in .navbar-nav > li,
  .navbar-collapse.in .nav.navbar-nav > li,
  .cb_collapse.in .navbar-nav > li,
  .cb_collapse.in .nav.navbar-nav > li {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: var(--m-card-h) !important;
    min-height: var(--m-card-h) !important;
    max-height: var(--m-card-h) !important;
    background: #ffffff !important;
    border: 2px solid #e9ecef !important;
    border-radius: var(--m-card-r) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06) !important;
    margin: 0 !important;
  }

  /* Link bên trong cũng cao bằng ô */
  body.menu-open .navbar-nav > li > a,
  body.menu-open .nav.navbar-nav > li > a,
  body.menu-open .cb_collapse .navbar-nav > li > a,
  .navbar-collapse.in .navbar-nav > li > a,
  .navbar-collapse.in .nav.navbar-nav > li > a,
  .cb_collapse.in .navbar-nav > li > a,
  .cb_collapse.in .nav.navbar-nav > li > a {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: var(--m-card-h) !important;
    width: 100% !important;
    padding: 0 14px !important;
    border-radius: var(--m-card-r) !important;
    text-align: center !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #2c3e50 !important;
  }

  /* Cụm dưới (contact + language) cũng thành ô bằng nhau */
  .navbar-collapse.in .navbar-right,
  .cb_collapse.in .navbar-right,
  body.menu-open .navbar-right {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
    max-width: 1500px !important;
    margin: 0 auto 24px !important;
    padding: 0 20px !important;
    background: transparent !important;
    border-top: 0 !important;
    order: 2 !important;
  }

  .navbar-collapse.in .contact-info,
  .cb_collapse.in .contact-info,
  body.menu-open .contact-info,
  .navbar-collapse.in .language-switcher .dropdown-toggle,
  .cb_collapse.in .language-switcher .dropdown-toggle,
  body.menu-open .language-switcher .dropdown-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: var(--m-card-h) !important;
    min-height: var(--m-card-h) !important;
    width: 100% !important;
    border-radius: var(--m-card-r) !important;
    border: 2px solid #e9ecef !important;
    background: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06) !important;
    padding: 0 14px !important;
  }

  /* Tinh gọn nội dung trong contact */
  .contact-label { display: none !important; }
  .phone-info img { width: 18px !important; height: 18px !important; }
  .hotline-number { font-size: 15px !important; font-weight: 800 !important; }

  /* Nhỏ hơn nữa (≤480px): hạ chiều cao cho gọn */
  @media (max-width: 480px) {
    :root { --m-card-h: 62px; --mobile-item-h: 68px; }
    .navbar-collapse.in .navbar-nav,
    .cb_collapse.in .navbar-nav,
    .navbar-collapse.in .navbar-right,
    .cb_collapse.in .navbar-right,
    .language-switcher .dropdown-menu { 
      max-width: 95vw !important;         /* 95% viewport width cho mobile nhỏ */
      padding: 16px 20px !important; 
    }
  }
}

/* ===== ONE-COLUMN CARDS: CONTACT & LANGUAGE ===== */
:root{
  --mobile-item-h: 72px;           /* Tăng chiều cao từ 64px lên 72px */
  --accent-green: #28a745;         /* Xanh lá đậm hơn */
  --primary-color: #007bff;
  --card-radius: 18px;             /* Bo góc đồng nhất */
  --card-shadow: 0 4px 16px rgba(0,0,0,0.08);
  --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
}

/* vùng dưới (Liên hệ + Ngôn ngữ) xếp 1 cột, thẻ bằng nhau */
@media (max-width: 767px){
  .navbar-collapse.in .navbar-right,
  .cb_collapse.in .navbar-right,
  body.menu-open .navbar-right{
    display: grid !important;
    grid-template-columns: 1fr !important;    /* 1 cột */
    gap: 16px !important;
    width: 100% !important;
    max-width: 1500px !important;             /* Đồng nhất với block trên */
    margin: 20px auto 30px !important;
    padding: 0 24px !important;
    visibility: visible !important;
    opacity: 1 !important;
    background: transparent !important;
    border-top: none !important;
    order: 2 !important;
  }
  
  /* FORCE ALL CHILDREN TO SHOW */
  .navbar-collapse.in .navbar-right *,
  .cb_collapse.in .navbar-right *,
  body.menu-open .navbar-right * {
    visibility: visible !important;
    opacity: 1 !important;
  }
  

  /* === MODERN CONTACT CARD === */
  .navbar-collapse.in .contact-info,
  .cb_collapse.in .contact-info,
  body.menu-open .contact-info{
    height: var(--mobile-item-h) !important;
    min-height: var(--mobile-item-h) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    border-radius: var(--card-radius) !important;
    border: 2px solid #e1e8ed !important;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
    box-shadow: var(--card-shadow) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow: hidden !important;
    text-align: center !important;
    position: relative !important;
  }
  
  .navbar-collapse.in .contact-info::before,
  .cb_collapse.in .contact-info::before,
  body.menu-open .contact-info::before{
    content: "" !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 4px !important;
    background: linear-gradient(90deg, var(--primary-color), #0056b3) !important;
  }
  
  .navbar-collapse.in .contact-info:hover,
  .cb_collapse.in .contact-info:hover,
  body.menu-open .contact-info:hover{
    transform: translateY(-2px) scale(1.02) !important;
    border-color: var(--primary-color) !important;
    box-shadow: var(--card-shadow-hover) !important;
  }
  
  /* nội dung bên trong */
  .contact-info a{
    display:flex !important; align-items:center !important; gap:12px !important;
    width:100% !important; height:100% !important; justify-content:center !important;
    text-decoration:none !important; color:inherit !important; padding:0 16px !important;
  }
  .contact-label{ display:none !important; }
  .phone-info{ display:flex !important; align-items:center !important; gap:10px !important; }
  .phone-info img{ width:24px !important; height:24px !important; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)) !important; }
  .hotline-number{ 
    font-weight:800 !important; 
    color:var(--primary-color) !important; 
    font-size:18px !important;
    letter-spacing: 0.5px !important;
  }

  /* === LANGUAGE CARD (nút mở dropdown) === */
  .navbar-collapse.in .language-switcher,
  .cb_collapse.in .language-switcher,
  body.menu-open .language-switcher {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .navbar-collapse.in .language-switcher .dropdown-toggle,
  .cb_collapse.in .language-switcher .dropdown-toggle,
  body.menu-open .language-switcher .dropdown-toggle{
    height: var(--mobile-item-h) !important;
    min-height: var(--mobile-item-h) !important;
    width: 100% !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    gap: 12px !important;
    border-radius: var(--card-radius) !important;
    border: 2px solid #e1e8ed !important;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
    text-decoration: none !important; color:#2c3e50 !important;
    font-weight: 700 !important;
    box-shadow: var(--card-shadow) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    overflow: hidden !important;
  }
  
  .navbar-collapse.in .language-switcher .dropdown-toggle::before,
  .cb_collapse.in .language-switcher .dropdown-toggle::before,
  body.menu-open .language-switcher .dropdown-toggle::before{
    content: "" !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 4px !important;
    background: linear-gradient(90deg, var(--accent-green), #20c997) !important;
  }
  
  .navbar-collapse.in .language-switcher .dropdown-toggle:hover,
  .cb_collapse.in .language-switcher .dropdown-toggle:hover,
  body.menu-open .language-switcher .dropdown-toggle:hover{
    transform: translateY(-2px) scale(1.02) !important;
    border-color: var(--accent-green) !important;
    box-shadow: var(--card-shadow-hover) !important;
  }
  
  .language-switcher .flag-icon{ 
    width:24px !important; 
    height:18px !important; 
    border-radius:4px !important;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15) !important;
  }
  .language-switcher .lang-text{ 
    font-size:16px !important; 
    font-weight:800 !important; 
    letter-spacing:0.5px !important;
    color: #2c3e50 !important;
  }

  /* === DROPDOWN NGÔN NGỮ toàn chiều ngang (sheet) === */
  .language-switcher .dropdown-menu{
    position: static !important;          /* bám theo luồng */
    width: 100% !important;
    max-width: 1500px !important;         /* Đồng nhất với blocks khác */
    margin: 12px auto 0 !important;
    padding: 12px !important;
    border-radius: var(--card-radius) !important;
    border: 2px solid #e1e8ed !important;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
    box-shadow: var(--card-shadow-hover) !important;
    transform: none !important; opacity:1 !important; visibility: visible !important;
  }
  /* ẩn/hiện theo class .open */
  .language-switcher:not(.open) .dropdown-menu{ display:none !important; }
  .language-switcher.open .dropdown-menu{ display:block !important; }

  /* item trong dropdown: cao đều, dễ bấm */
  .language-switcher .dropdown-menu .language-option{
    display:flex !important; align-items:center !important; gap:10px !important;
    height: 48px !important; border-radius: 10px !important;
    padding: 0 12px !important; color:#2c3e50 !important; text-decoration:none !important;
    transition: background .15s ease, transform .15s ease !important;
  }
  .language-switcher .dropdown-menu .language-option:hover{
    background:#f8f9fa !important; transform: translateY(-1px) !important; color:var(--primary-color) !important;
  }

  /* trạng thái đang dịch (nếu có gắn class) */
  .language-switcher.translating .dropdown-toggle{
    opacity:.7 !important; pointer-events:none !important;
  }
}

/* dark mode tinh chỉnh */
@media (prefers-color-scheme: dark){
  @media (max-width:767px){
    .navbar-collapse.in .contact-info,
    .cb_collapse.in .contact-info,
    body.menu-open .contact-info,
    .navbar-collapse.in .language-switcher .dropdown-toggle,
    .cb_collapse.in .language-switcher .dropdown-toggle,
    body.menu-open .language-switcher .dropdown-toggle{
      background:#2a2a2a !important; border-color:#3a3a3a !important; color:#eaeaea !important;
    }
    .language-switcher .dropdown-menu{ background:#1f1f1f !important; border-color:#333 !important; }
    .language-switcher .dropdown-menu .language-option{ color:#eaeaea !important; }
    .language-switcher .dropdown-menu .language-option:hover{ background:#2a2a2a !important; }
  }
}

/* ========== BOTTOM SHEET (MOBILE) ========== */
@media (max-width: 767px){
  :root{
    --m-header-h: 48px;
    --sheet-radius: 16px;
  }

  /* Overlay mờ nền khi sheet mở - ULTRA FAST */
  .cb-overlay{
    position: fixed; inset: var(--m-header-h) 0 0 0; /* để lộ header */
    background: rgba(0,0,0,.4);
    z-index: 999; /* thấp hơ sheet một bậc */
    opacity: 0; pointer-events: none;
    transition: opacity .1s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .cb-overlay.show{ opacity: 1; pointer-events: auto; }

  /* Ẩn collapse khi chưa mở */
  .cb-header .navbar-collapse,
  .cb-header .cb_collapse{ display: none; }

  /* Khi mở: sheet cố định đáy, trượt từ dưới lên */
  .cb-header .navbar-collapse.in,
  .cb-header .cb_collapse.in{
    display: flex !important;
    flex-direction: column; align-items: stretch;
    position: fixed;
    left: 0; right: 0; bottom: 0; top: auto;
    /* cao tối đa, chừa header: 100dvh an toàn cho mobile */
    height: calc(100dvh - var(--m-header-h));
    max-height: calc(100dvh - var(--m-header-h));
    background: #fff;
    z-index: 1000;
    border-top-left-radius: var(--sheet-radius);
    border-top-right-radius: var(--sheet-radius);
    box-shadow: 0 -12px 30px rgba(0,0,0,.18);
    overflow-y: auto; -webkit-overflow-scrolling: touch;
    padding: 4px 8px 8px;                /* Minimal padding for 32px items */
    /* hiệu ứng trượt lên - ULTRA FAST */
    transform: translateY(100%);
    animation: sheetUp .1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  }

  @keyframes sheetUp{
    0%  { transform: translateY(100%); opacity: 0.9; }
    60% { transform: translateY(10%);  opacity: 0.98; }
    100%{ transform: translateY(0);    opacity: 1; }
  }

  /* Nội dung bên trong sheet - ULTRA COMPACT */
  .cb-header .navbar-collapse.in .navbar-nav{
    display:flex !important; flex-direction:column; gap:4px;
    margin:0; padding:0; list-style:none;
    width:100%; /* Ensure full width */
  }
  .cb-header .navbar-collapse.in .navbar-nav > li{
    border:1px solid #e1e5e9; border-radius:8px; background:#fff;
    overflow:hidden; /* Prevent content overflow */
    position:relative; /* Fix positioning context */
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    margin-bottom: 2px;
  }
  
  .cb-header .navbar-collapse.in .navbar-nav > li:hover{
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }
  .cb-header .navbar-collapse.in .navbar-nav > li > a{
    display:flex; align-items:center; justify-content:center;
    min-height:44px; padding:10px 12px; font-weight:600; color:#2677f1; text-decoration:none;
    font-size:13px; line-height:1.2;
    width:100%; /* Ensure full width */
    box-sizing:border-box; /* Include padding in width */
    text-overflow:ellipsis; /* Handle long text */
    white-space:nowrap; /* Prevent text wrapping */
    border:none; /* Remove any inherited borders */
    outline:none; /* Remove focus outline */
    background:transparent; /* Ensure transparent background */
    transition: all 0.3s ease;
  }
  
  /* FORCE NAVBAR-RIGHT TO SHOW - MODERN STYLE */
  .cb-header .navbar-collapse.in .navbar-right,
  .cb-header .cb_collapse.in .navbar-right{
    display:flex !important; flex-direction:column; gap:6px;
    padding-top:12px; margin-top:8px; 
    border-top:1px solid #e1e5e9;
    visibility: visible !important; opacity: 1 !important;
    position: relative;
  }
  
  .cb-header .navbar-collapse.in .navbar-right::before,
  .cb-header .cb_collapse.in .navbar-right::before{
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
  }
  
  /* FORCE CONTACT & LANGUAGE TO SHOW - ULTRA COMPACT */
  .cb-header .navbar-collapse.in .contact-info,
  .cb-header .cb_collapse.in .contact-info{
    display:flex !important; align-items:center; justify-content:center;
    min-height:32px; border:1px solid #e9ecef; border-radius:6px; background:#fff;
    font-size:12px; visibility: visible !important; opacity: 1 !important;
    padding:0 6px; line-height:1.1; width:100%; box-sizing:border-box;
  }
  
  .cb-header .navbar-collapse.in .contact-info a,
  .cb-header .cb_collapse.in .contact-info a{
    display:flex !important; align-items:center; justify-content:center; gap:6px;
    width:100%; text-decoration:none; color:#2c3e50; font-size:11px;
  }
  
  .cb-header .navbar-collapse.in .language-switcher,
  .cb-header .cb_collapse.in .language-switcher{
    display:flex !important; width:100%;
    visibility: visible !important; opacity: 1 !important;
  }
  
  .cb-header .navbar-collapse.in .language-switcher .dropdown-toggle,
  .cb-header .cb_collapse.in .language-switcher .dropdown-toggle{
    display:flex !important; align-items:center; justify-content:center; gap:6px;
    min-height:32px; border:1px solid #e9ecef; border-radius:6px; background:#fff; text-decoration:none;
    font-size:12px; visibility: visible !important; opacity: 1 !important;
    padding:0 6px; line-height:1.1; width:100%; box-sizing:border-box; color:#2c3e50;
  }
  
  /* FORCE ALL CHILDREN IN NAVBAR-RIGHT - SELECTIVE */
  .cb-header .navbar-collapse.in .navbar-right > *,
  .cb-header .cb_collapse.in .navbar-right > * {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* FORCE SPECIFIC ELEMENTS - DETAILED */
  .cb-header .navbar-collapse.in .phone-info,
  .cb-header .cb_collapse.in .phone-info{
    display: flex !important; align-items:center; gap:4px;
    visibility: visible !important; opacity: 1 !important;
  }
  
  .cb-header .navbar-collapse.in .hotline-number,
  .cb-header .cb_collapse.in .hotline-number{
    display: flex !important; font-size: 11px !important; font-weight:600;
    visibility: visible !important; opacity: 1 !important; color:#2c3e50;
  }
  
  .cb-header .navbar-collapse.in .flag-icon,
  .cb-header .cb_collapse.in .flag-icon{
    display: flex !important; width:20px; height:14px; object-fit:cover;
    visibility: visible !important; opacity: 1 !important; border-radius:2px;
  }
  
  .cb-header .navbar-collapse.in .lang-text,
  .cb-header .cb_collapse.in .lang-text{
    display: flex !important; font-size: 11px !important; font-weight:600;
    visibility: visible !important; opacity: 1 !important; color:#2c3e50;
  }
  
  .cb-header .navbar-collapse.in .contact-label,
  .cb-header .cb_collapse.in .contact-label{
    display: none !important; /* Ẩn text "LIÊN HỆ NGAY" để tiết kiệm chỗ */
  }
  
  /* REMOVE OLD DECORATIVE ELEMENTS IN BOTTOM SHEET */
  .cb-header .navbar-collapse.in *::before,
  .cb-header .cb_collapse.in *::before,
  .cb-header .navbar-collapse.in *::after,
  .cb-header .cb_collapse.in *::after {
    content: none !important;
    display: none !important;
    background: none !important;
  }
  
  /* MODERN CONTACT & LANGUAGE CARDS */
  .cb-header .navbar-collapse.in .navbar-right::before,
  .cb-header .cb_collapse.in .navbar-right::before {
    content: "LIÊN HỆ & NGÔN NGỮ";
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white; padding: 6px 12px; margin-bottom: 8px;
    font-size: 10px; text-align: center; font-weight: 600;
    border-radius: 8px; letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
  }
  
  /* Contact Card */
  .cb-header .navbar-collapse.in .navbar-right::after,
  .cb-header .cb_collapse.in .navbar-right::after {
    content: "  0915.059.666";
    display: flex; align-items: center; justify-content: center;
    background: #fff; 
    border: 1px solid #e1e5e9; 
    border-radius: 8px;
    padding: 10px 12px; 
    min-height: 44px; 
    font-size: 12px; 
    color: #2677f1;
    font-weight: 600;
    box-sizing: border-box; 
    margin-bottom: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;

  }
  
  .cb-header .navbar-collapse.in .navbar-right::after:hover,
  .cb-header .cb_collapse.in .navbar-right::after:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }
  
  /* iOS safe area cho mép dưới */
  .cb-header .navbar-collapse.in{ padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
  
  body.menu-open { 
    overflow: hidden !important; 
    position: static !important; 
    height: auto !important; 
  }
}

/* Desktop giữ wrap như cũ */
@media (min-width: 768px){
  .cb-header .navbar-collapse{ display:flex !important; flex-wrap:wrap; align-items:center; gap:8px 16px; }
  .cb-header .nav.navbar-nav{ display:flex !important; flex-wrap:wrap; gap:8px 16px; }
  .cb-header .navbar-right{ margin-left:auto; display:flex !important; flex-wrap:wrap; gap:8px 12px; }
  .cb-header .nav.navbar-nav>li>a{ white-space:nowrap; }
}