/**
 * Modern Responsive Header CSS
 * Author: AI Assistant
 * Date: 2025-10-07
 * Features: Beautiful design, smooth animations, mobile-first responsive
 */

/* ===== CSS VARIABLES FOR CONSISTENCY ===== */
:root {
    --header-bg: #ffffff;
    --header-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --header-shadow-scrolled: 0 4px 20px rgba(0, 0, 0, 0.15);
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #e9ecef;
    --hover-bg: #f8f9fa;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 65px;
    --header-height-mobile: 60px;
    --border-radius: 8px;
    --spacing-xs: 2px;
    --spacing-sm: 4px;
    --spacing-md: 6px;
    --spacing-lg: 8px;
    --spacing-xl: 12px;
}

/* ===== BASE HEADER STYLES ===== */
.cb-header {
    position: fixed;
    top: 0;
    left: -200px;
    right: -100px;
    z-index: 1050;
    background: var(--header-bg);
    border: none;
    box-shadow: var(--header-shadow);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    min-height: var(--header-height);
    height: auto;
    overflow: visible;
}

.cb-header.scrolled {
    box-shadow: var(--header-shadow-scrolled);
    background: rgba(255, 255, 255, 0.95);
}

.cb-header.header-hidden {
    transform: translateY(-150%);
}
/* ===== CONTAINER ===== */
.cb-header .container {
    max-width: 2600px;
    width: 100%;
    margin: 0 auto;
    padding: 8px var(--spacing-lg);              /* Tăng padding top/bottom */
    padding-left: calc(var(--spacing-lg) + 200px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 0;
    min-height: var(--header-height);
    transition: all 0.3s ease;
}

/* ===== NAVBAR HEADER ===== */
.navbar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 auto;
    transition: all 0.3s ease;
}

/* ===== LOGO STYLES ===== */
.navbar-brand,
.navbar-nav {
    margin: 0;
    padding: 0;
}

.navbar-nav .logo-pc {
    height: 45px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    flex-shrink: 0;
    margin-left: -100px;
}

.navbar-nav .logo-pc:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

/* ===== NAVIGATION MENU ===== */
.navbar-collapse {
    border: none;
    box-shadow: none;
    background: transparent;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    min-height: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
    flex-wrap: nowrap;
    justify-content: center;
    width: auto;
    max-width: none;
}

.navbar-nav > li {
    position: relative;
    list-style: none;
}

.navbar-nav > li > a,
.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2px 4px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 16px;
    line-height: 1.2;
    transition: var(--transition);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-width: fit-content;
}

.navbar-nav > li > a::before,
.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav > li > a:hover,
.nav-link:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
}

.navbar-nav > li > a:hover::before,
.nav-link:hover::before {
    width: 80%;
}

/* Menu text styling */
.menu-text {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

/* ===== RIGHT SIDE ELEMENTS ===== */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0;
    flex-shrink: 0;
}

/* ===== CONTACT INFO ===== */
.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1px 3px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    min-width: 60px;
}

.contact-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

.contact-label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.2px;
    margin-bottom: 1px;
    line-height: 1;
}

.phone-info {
    display: flex;
    align-items: center;
    gap: 1px;
}

.phone-info img {
    width: 10px;
    height: 10px;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.hotline-number {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.hotline-number:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* ===== LANGUAGE SWITCHER ===== */
.language-switcher {
    position: relative;
    z-index: 1001;
    margin-right: -50px;
    margin-left: 50px;
}

.language-switcher .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 2px 4px;
    background: linear-gradient(135deg, var(--hover-bg) 0%, #e9ecef 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    transition: var(--transition);
    cursor: pointer;
    min-width: 60px;
    justify-content: center;
}

.language-switcher .dropdown-toggle:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: var(--text-color);
}

.flag-icon {
    width: 16px;
    height: 12px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.lang-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.dropdown-arrow,
.caret {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--text-light);
    transition: var(--transition);
    margin-left: auto;
}

.language-switcher.open .dropdown-arrow,
.language-switcher.open .caret {
    transform: rotate(180deg);
}

/* ===== DROPDOWN MENU ===== */
.language-switcher .dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 200px;
    background: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: var(--transition);
    z-index: 1002;
    padding: var(--spacing-sm) 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.language-switcher.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.language-switcher .dropdown-menu li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.language-switcher .dropdown-menu a,
.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.language-switcher .dropdown-menu a:hover,
.language-option:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
    padding-left: calc(var(--spacing-lg) + var(--spacing-xs));
    text-decoration: none;
}

/* ===== MOBILE TOGGLE BUTTON ===== */
.navbar-toggle {
    display: none;
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.navbar-toggle:hover,
.navbar-toggle:focus {
    background: #e9ecef;
    transform: scale(1.05);
    outline: none;
}

.navbar-toggle .icon-bar {
    display: block;
    width: 22px;
    height: 3px;
    background: var(--text-color);
    border-radius: 2px;
    margin: 4px 0;
    transition: var(--transition);
    transform-origin: center;
}

.navbar-toggle.active .icon-bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active .icon-bar:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.navbar-toggle.active .icon-bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== LARGE DESKTOP (1400px+) ===== */
@media (min-width: 1400px) {
    .cb-header .container {
        flex-wrap: nowrap;
        padding: var(--spacing-sm) var(--spacing-xl);
        padding-left: calc(var(--spacing-xl) + 200px);
        max-width: 2600px;
        gap: 0;
    }
    
    .navbar-nav {
        flex-wrap: nowrap;
        gap: 0;
        justify-content: center;
    }
    
    .navbar-nav > li > a {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 15px;
    }
    
    .menu-text {
        font-size: 14px;
        max-width: none;
    }
    
    .navbar-right {
        gap: 0;
    }
    
    .contact-info {
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: 100px;
    }
    
    .contact-label {
        font-size: 10px;
    }
    
    .hotline-number {
        font-size: 14px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: 80px;
        font-size: 13px;
    }
    
    .flag-icon {
        width: 22px;
        height: 16px;
    }
    
    .lang-text {
        font-size: 12px;
    }
    
    /* Logo lớn hơn trên màn hình rộng */
    .navbar-nav .logo-pc {
        height: 55px;
        max-width: 200px;
    }
}

/* ===== ULTRA WIDE DESKTOP (1800px+) ===== */
@media (min-width: 1800px) {
    .cb-header .container {
        padding: var(--spacing-md) calc(var(--spacing-xl) * 2);
        padding-left: calc(calc(var(--spacing-xl) * 2) + 200px);
        max-width: 2800px;
        gap: 0;
    }
    
    .navbar-nav {
        gap: 0;
    }
    
    .navbar-nav > li > a {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 16px;
    }
    
    .menu-text {
        font-size: 15px;
    }
    
    .navbar-nav .logo-pc {
        height: 60px;
        max-width: 250px;
    }
    
    .navbar-right {
        gap: 0;
    }
    
    .contact-info {
        padding: var(--spacing-md) var(--spacing-lg);
        min-width: 120px;
    }
    
    .contact-label {
        font-size: 11px;
    }
    
    .hotline-number {
        font-size: 15px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-md) var(--spacing-lg);
        min-width: 100px;
        font-size: 14px;
    }
    
    .flag-icon {
        width: 24px;
        height: 18px;
    }
    
    .lang-text {
        font-size: 13px;
    }
}

/* ===== EXTRA LARGE DESKTOP (1200px - 1399px) ===== */
@media (max-width: 1399px) and (min-width: 1200px) {
    .cb-header .container {
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
    }
    
    .navbar-nav {
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
    }
    
    .navbar-nav > li > a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
    }
    
    .menu-text {
        font-size: 13px;
        max-width: 110px;
    }
    
    .navbar-right {
        gap: var(--spacing-md);
    }
    
    .contact-info {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 90px;
    }
    
    .contact-label {
        font-size: 9px;
    }
    
    .hotline-number {
        font-size: 13px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 65px;
        font-size: 11px;
    }
    
    .flag-icon {
        width: 18px;
        height: 14px;
    }
    
    .lang-text {
        font-size: 10px;
    }
}

/* ===== MEDIUM DESKTOP (1024px - 1199px) ===== */
@media (max-width: 1199px) and (min-width: 1025px) {
    .cb-header .container {
        flex-wrap: wrap;
        align-items: center;
        padding-left: calc(var(--spacing-lg) + 200px);
        gap: 0;
    }
    
    .navbar-header {
        flex: 0 0 auto;
        order: 1;
    }
    
    .navbar-collapse {
        flex: 1 1 100%;
        order: 3;
        margin-top: var(--spacing-sm);
    }
    
    .navbar-right {
        flex: 0 0 auto;
        order: 2;
        gap: 0;
    }
    
    .navbar-nav {
        gap: 0;
        justify-content: center;
    }
    
    .navbar-nav > li > a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 13px;
    }
    
    .menu-text {
        font-size: 12px;
        max-width: 90px;
    }
    
    .contact-info {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 85px;
    }
    
    .contact-label {
        font-size: 8px;
    }
    
    .hotline-number {
        font-size: 12px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 60px;
        font-size: 11px;
    }
    
    .flag-icon {
        width: 18px;
        height: 13px;
    }
    
    .lang-text {
        font-size: 10px;
    }
}

/* ===== TABLET RESPONSIVE (768px - 1024px) ===== */
@media (max-width: 1024px) and (min-width: 769px) {
    .cb-header .container {
        padding: var(--spacing-sm) var(--spacing-lg);
        padding-left: calc(var(--spacing-lg) + 200px);
        flex-wrap: wrap;
        justify-content: center;
        gap: 0;
    }
    
    .navbar-header {
        order: 1;
        width: 100%;
        justify-content: space-between;
        margin-bottom: var(--spacing-sm);
    }
    
    .navbar-collapse {
        order: 2;
        width: 100%;
        justify-content: center;
    }
    
    .navbar-right {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-sm);
        gap: 0;
    }
    
    .navbar-nav .logo-pc {
        height: 45px;
        max-width: 180px;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0;
    }
    
    .navbar-nav > li > a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 13px;
    }
    
    .menu-text {
        font-size: 12px;
        max-width: 80px;
    }
    
    .contact-info {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 80px;
    }
    
    .contact-label {
        font-size: 8px;
    }
    
    .hotline-number {
        font-size: 12px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 65px;
        font-size: 11px;
    }
    
    .flag-icon {
        width: 18px;
        height: 13px;
    }
    
    .lang-text {
        font-size: 10px;
    }
}

/* ===== TABLET LANDSCAPE (768px - 1024px) ===== */
@media (min-width: 768px) and (max-width: 1024px) {
    .cb-header .container {
        padding: 0 var(--spacing-lg);
        padding-left: calc(var(--spacing-lg) + 100px);
    }
    
    .navbar-nav .logo-pc {
        height: 38px;
        max-width: 150px;
        margin-left: -100px;
    }
    
    .navbar-nav > li > a,
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 13px;
    }
    
    .menu-text {
        font-size: 12px;
    }
    
    .contact-info {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 70px;
    }
    
    .hotline-number {
        font-size: 11px;
    }
    
    .language-switcher .dropdown-toggle {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
        min-width: 60px;
    }
}

/* ===== MOBILE RESPONSIVE (≤ 767px) ===== */
/* Note: Mobile menu styles are now in mobile-menu-fix.css for better organization */
@media (max-width: 767px) {
    /* Basic mobile adjustments only */
    .cb-header {
        min-height: 60px;
    }
    
    .navbar-nav .logo-pc {
        height: 40px;
        max-width: 160px;
    }
}

/* ===== LANDSCAPE MOBILE ===== */
@media (max-width: 667px) and (orientation: landscape) {
    :root {
        --header-height-mobile: 50px;
    }
    
    .navbar-nav .logo-pc {
        height: 30px;
    }
    
    .navbar-toggle {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .navbar-toggle .icon-bar {
        width: 18px;
        height: 2px;
        margin: 3px 0;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Focus styles for accessibility */
.navbar-nav > li > a:focus,
.language-switcher .dropdown-toggle:focus,
.language-switcher .dropdown-menu a:focus,
.navbar-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.25);
}

/* ===== HIGH DPI DISPLAYS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .flag-icon,
    .phone-info img,
    .navbar-nav .logo-pc {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --header-bg: #1a1a1a;
        --text-color: #ffffff;
        --text-light: #cccccc;
        --border-color: #333333;
        --hover-bg: #333333;
    }
    
    .cb-header.scrolled {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .contact-info,
    .language-switcher .dropdown-toggle {
        background: linear-gradient(135deg, #333333 0%, #404040 100%);
    }
    
    .language-switcher .dropdown-menu {
        background: #1a1a1a;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .cb-header {
        position: static !important;
        box-shadow: none !important;
        border-bottom: 1px solid #000 !important;
        background: #fff !important;
    }
    
    .navbar-toggle,
    .language-switcher {
        display: none !important;
    }
    
    .navbar-nav > li > a {
        color: #000 !important;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.cb-header * {
    box-sizing: border-box;
}

.cb-header img {
    will-change: transform;
}

.language-switcher .dropdown-menu {
    will-change: opacity, transform;
}

/* ===== TOUCH TARGETS (44px minimum) ===== */
@media (pointer: coarse) {
    .navbar-nav > li > a,
    .language-switcher .dropdown-toggle,
    .language-switcher .dropdown-menu a,
    .navbar-toggle {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ===== LOADING STATES ===== */
.language-switcher.translating .dropdown-toggle {
    opacity: 0.7;
    pointer-events: none;
}

.language-switcher.translating .lang-text::after {
    content: "...";
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: ""; }
    40% { content: "."; }
    60% { content: ".."; }
    80%, 100% { content: "..."; }
}

/* ===== SMOOTH SCROLL BEHAVIOR ===== */
html {
    scroll-behavior: smooth;
}

/* ===== AUTO-WRAP LAYOUT OVERRIDE ===== */
/* Cho phép các khối tự quấn dòng */

.cb-header .container {
    display: flex;
    flex-wrap: wrap !important;                 /* Cho phép container quấn dòng */
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0 !important;
}

/* Logo / nút toggle */
.navbar-header { 
    flex: 0 0 auto; 
}

/* Khối chứa menu + phải - ULTRA COMPACT */
.navbar-collapse.cb_collapse {
    display: flex !important;
    flex: 1 1 auto;                  /* Tự động co giãn */
    flex-wrap: nowrap !important;    /* Không wrap để gần nhau */
    align-items: center !important;
    gap: 4px !important;             /* Giảm gap từ 8px xuống 4px */
    background: transparent !important;
    box-shadow: none !important;
    margin-left: 8px !important;     /* Giảm margin từ 12px xuống 8px */
}

/* Menu trái (quấn item khi chật) - ULTRA COMPACT */
.cb_collapse .nav.navbar-nav {
    order: 1 !important;
    flex: 1 1 auto !important;       /* Tự động co giãn */
    display: flex !important;
    flex-wrap: nowrap !important;    /* Không wrap để gần nhau */
    gap: 0px !important;             /* Không gap giữa menu items */
    justify-content: flex-start !important; /* Căn trái để gần logo */
    min-width: auto !important;
}

/* Menu items styling - COMPACT PADDING */
.cb_collapse .nav.navbar-nav li a {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    padding: 8px 6px !important;     /* Giảm horizontal padding từ 12px xuống 6px */
    font-size: 16px !important;      /* Tăng từ 14px lên 16px */
    line-height: 1.2 !important;
    white-space: nowrap !important;
    font-weight: 600 !important;     /* Đậm hơn */
}

.cb_collapse .nav.navbar-nav li a span {
    font-size: 15px !important;      /* Tăng từ 13px lên 15px */
    font-weight: 700 !important;     /* Đậm hơn */
    text-align: center !important;
}

/* Cụm bên phải (hotline + chọn ngôn ngữ) - ULTRA CLOSE TO MENU */
.cb_collapse .navbar-right {
    order: 2 !important;
    flex: 0 0 auto !important;       /* Không co giãn, size cố định */
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 4px !important;             /* Giảm gap từ 6px xuống 4px */
    margin-left: 8px !important;     /* Giảm margin từ 16px xuống 8px */
}

/* Contact info - LARGER FONT & PADDING */
.cb_collapse .navbar-right .contact-info {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    padding: 8px 12px !important;    /* Tăng padding cho header cao hơn */
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
    border-radius: var(--border-radius) !important;
    border: 1px solid var(--border-color) !important;
    min-width: 90px !important;      /* Rộng hơn cho padding lớn */
    text-decoration: none !important;
    font-size: 14px !important;      /* Tăng font size */
    font-weight: 600 !important;     /* Đậm hơn */
}

.cb_collapse .navbar-right .contact-info a {
    text-decoration: none !important;
    color: inherit !important;
}

/* Language switcher - LARGER FONT */
.cb_collapse .navbar-right .language-switcher {
    position: relative !important;
    z-index: 1001 !important;
}

.cb_collapse .navbar-right .language-switcher .dropdown-toggle {
    font-size: 14px !important;      /* Tăng font size */
    font-weight: 600 !important;     /* Đậm hơn */
    padding: 8px 12px !important;    /* Tăng padding cho header cao hơn */
    min-width: 80px !important;      /* Rộng hơn cho padding lớn */
}

/* Khi thực sự đã rớt xuống hàng, tăng chiều cao header & đệm body */
.cb-header.multi-line {
    height: auto !important;
    min-height: calc(var(--header-height) + 20px) !important;
}

/* Offset for fixed header */
body {
    padding-top: var(--header-height);
}

/* Dynamic header height adjustments */
@media (max-width: 1024px) and (min-width: 769px) {
    body {
        padding-top: calc(var(--header-height) + 20px); /* Extra space for wrapped content */
    }
}

@media (max-width: 768px) {
    body {
        padding-top: var(--header-height-mobile);
    }
    
    /* Giữ nguyên phần mobile collapse */
    .cb-header .container {
        flex-wrap: nowrap !important;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .cb-header.multi-line {
        min-height: calc(var(--header-height) + 40px) !important;
    }
}