.top-bar {
    background-color: var(--color-gray-100);
    padding: 0.15rem 0;
}

.top-bar-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 24px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 0;
    font-size: 0.85rem;
    color: var(--color-gray-800);
}

.top-bar-datetime {
    font-weight: 500;
    padding: 0 0.75rem;
    border-right: 1px solid var(--color-gray-400);
}

.top-bar-sep {
    display: none;
}

.top-bar-visitors {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0 0.75rem;
}

.sparkline-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.visitor-sparkline {
    overflow: visible;
    cursor: pointer;
}

.sparkline-grid {
    stroke: rgba(0, 0, 0, 0.1);
    stroke-width: 0.5;
}

.sparkline-line {
    fill: none;
    stroke: var(--color-success);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.sparkline-dot {
    fill: transparent;
    cursor: pointer;
}

.sparkline-dot:hover {
    fill: var(--color-success);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 0;
}

.top-bar-right > * {
    padding: 0 0.75rem;
    border-left: 1px solid var(--color-gray-400);
}

.top-bar-right > *:first-child {
    border-left: none;
}

.top-bar-right > .lang-selector {
    display: flex;
    align-items: center;
    background: var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: 0;
    font-size: 0.85rem;
    border-left: none;
    margin: 0 0.5rem;
}

.lang-btn {
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 600;
    padding: 0.1rem 0.5rem 0.3rem 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    line-height: 1;
    height: 100%;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.lang-btn:hover {
    color: var(--color-gray-900);
}

.lang-btn.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lang-sep {
    display: none;
}

.lang-btn:last-child {
    display: none;
}

.top-bar .btn-login {
    color: var(--color-gray-800);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: transparent !important;
    border: none !important;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
    outline: none !important;
    box-shadow: none !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.top-bar .btn-login:hover {
    color: var(--color-gray-900);
}

.top-bar .btn-login:focus,
.top-bar .btn-login:active {
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
}

.header {
    background-color: var(--color-white);
    padding: 1rem 0;
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    position: relative;
    min-height: 50px;
}

.logo {
    position: absolute;
    left: 2rem;
    bottom: 0;
    text-decoration: none;
    display: flex;
    align-items: flex-end;
    gap: 0.6rem;
}

.logo-img {
    height: 42px;
    width: auto;
    filter: brightness(0);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-900);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.logo-main {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.3px;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav a {
    text-decoration: none;
    color: var(--color-gray-800);
    font-size: 1.2rem;
    font-weight: 500;
    position: relative;
    padding: 0;
    transition: color 0.3s ease;
}

.nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: var(--gradient-underline);
    border-radius: var(--radius-xs);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover,
.nav a.active {
    color: var(--color-primary);
}

.nav a:hover::before,
.nav a.active::before {
    transform: translateX(-50%) scaleX(1);
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 140px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    color: var(--color-gray-800);
    text-decoration: none;
    transition: var(--transition-fast);
}

.dropdown-menu a::before {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

.header-right {
    position: absolute;
    right: 2rem;
    bottom: 0;
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

.btn-search {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--color-gray-900);
    transition: var(--transition-fast);
}

.btn-search:hover {
    transform: scale(1.1);
}

.btn-icon {
    color: var(--color-gray-900);
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-icon:hover {
    color: var(--color-text);
    transform: scale(1.1);
}

.header-emoji {
    font-size: 1.6rem;
    line-height: 1;
}

/* Utility classes for inline style replacement */
.icon-sm {
    width: 14px;
    height: 14px;
}

.font-semibold {
    font-weight: 600;
}

.mobile-nav-divider {
    border: none;
    border-top: 1px solid var(--color-gray-300);
    margin: 0.5rem 1rem;
}

body.dark-mode .mobile-nav-divider {
    border-color: var(--color-gray-400);
}

.btn-login {
    text-decoration: none;
    color: var(--color-gray-700);
    font-size: 0.8rem;
    font-weight: 500;
    transition: color 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
}

.btn-login:hover {
    color: var(--color-text);
}

/* User Profile Mini */
.user-profile-mini {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.5rem;
}

.user-profile-mini .btn-group {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    border-radius: var(--radius-md);
    padding: 0 0.2rem;
}

/* Mobile Admin Bar - separate row */
.top-bar-admin {
    display: none;
    justify-content: center;
    align-items: center;
    gap: 0.2rem;
    padding: 0.5rem 1rem 0;
}

.admin-group {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 0.15rem;
    border-radius: var(--radius-md);
}

.admin-group.personal {
    background: var(--color-purple-alpha-15);
}

.admin-group.control {
    background: var(--color-purple-alpha-15);
}

.admin-group.console {
    background: var(--color-info-alpha-15);
}

.admin-group a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.admin-group a:hover {
    background: rgba(0, 0, 0, 0.1);
}

.admin-group a svg,
.admin-group a i {
    width: 14px;
    height: 14px;
}


body.dark-mode .admin-group.personal,
body.dark-mode .admin-group.control {
    background: var(--color-purple-alpha-25);
}

body.dark-mode .admin-group.console {
    background: var(--color-info-alpha-25);
}

body.dark-mode .admin-group a {
    color: var(--color-gray-400);
}

body.dark-mode .admin-group a:hover {
    background: rgba(255, 255, 255, 0.1);
}


.user-profile-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    padding: 0;
    transition: opacity 0.2s;
}

.user-profile-link:hover {
    opacity: 0.8;
}

.user-avatar-mini {
    width: 20px;
    height: 20px;
    background: var(--gradient-primary-dark);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-white);
}

.user-avatar-mini-img {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.user-name-text {
    color: var(--color-gray-800);
    font-size: 0.85rem;
    font-weight: 600;
}

.user-badge {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.user-badge.admin {
    background: var(--gradient-badge-admin);
    color: var(--color-white);
}

.user-badge.staff {
    background: var(--gradient-badge-staff);
    color: var(--color-white);
}

.user-badge.member {
    background: var(--color-gray-300);
    color: var(--color-gray-700);
}

.btn-edit,
.btn-control,
.btn-admin,
.btn-api-link,
.btn-logout-mini {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    border: none;
    outline: none;
    background: transparent;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-edit:hover {
    background: var(--color-purple-alpha-10);
    color: var(--color-purple);
}

.btn-control:hover {
    background: var(--color-success-alpha-10);
    color: var(--color-success);
}

.btn-admin:hover {
    background: rgba(41, 128, 185, 0.1);
    color: var(--color-info-dark);
}

/* API Link Buttons - Color definitions */
.btn-api-link.gemini { --btn-rgb: 66, 133, 244; --btn-color: var(--color-google); --btn-color-dark: #5a9cf5; }
.btn-api-link.cloudflare { --btn-rgb: 245, 130, 32; --btn-color: var(--color-cloudflare); --btn-color-dark: #f7a052; }
.btn-api-link.openai { --btn-rgb: 16, 163, 127; --btn-color: var(--color-openai); --btn-color-dark: #19c99a; }
.btn-api-link.personal { --btn-rgb: 155, 89, 182; --btn-color: var(--color-purple); --btn-color-dark: #af7ac5; }
.btn-api-link.docs { --btn-rgb: 230, 126, 34; --btn-color: #e67e22; --btn-color-dark: var(--color-warning); }
.btn-api-link.vnc { --btn-rgb: 52, 152, 219; --btn-color: var(--color-info); --btn-color-dark: #5dade2; }
.btn-api-link.vnc-gsc { --btn-rgb: 16, 185, 129; --btn-color: #10b981; --btn-color-dark: #34d399; }
.btn-api-link.oracle { --btn-rgb: 231, 76, 60; --btn-color: var(--color-primary); --btn-color-dark: var(--color-accent); }
.btn-api-link.google { --btn-rgb: 66, 133, 244; --btn-color: var(--color-google); --btn-color-dark: #5a9cf5; }
.btn-api-link.bing { --btn-rgb: 0, 120, 212; --btn-color: #0078d4; --btn-color-dark: #3a9efc; }
.btn-api-link.naver { --btn-rgb: 3, 199, 90; --btn-color: #03c75a; --btn-color-dark: #2edb72; }

.btn-api-link:hover {
    background: rgba(var(--btn-rgb), 0.1);
    color: var(--btn-color);
}

.btn-logout-mini:hover {
    background: var(--color-primary-alpha-10);
    color: var(--color-primary);
}

/* Dark mode - User Profile Mini */
body.dark-mode .user-profile-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-mode .user-badge.member {
    background: var(--color-gray-400);
    color: var(--color-gray-700);
}

body.dark-mode .btn-edit,
body.dark-mode .btn-control,
body.dark-mode .btn-admin,
body.dark-mode .btn-api-link,
body.dark-mode .btn-logout-mini {
    color: var(--color-gray-700);
}

body.dark-mode .btn-edit:hover {
    background: var(--color-purple-alpha-20);
    color: #af7ac5;
}

body.dark-mode .btn-control:hover {
    background: var(--color-success-light-alpha-20);
    color: var(--color-success-light);
}

body.dark-mode .btn-admin:hover {
    background: var(--color-info-alpha-20);
    color: var(--color-info);
}

body.dark-mode .btn-api-link:hover {
    background: rgba(var(--btn-rgb), 0.2);
    color: var(--btn-color-dark);
}

body.dark-mode .btn-logout-mini:hover {
    background: var(--color-primary-alpha-20);
    color: var(--color-primary-light);
}

/* Admin Sidebar - Fixed Right */
.admin-sidebar {
    position: fixed;
    right: 0;
    top: 5%;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.4rem;
    background: var(--color-bg);
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: var(--z-sticky);
}

.sidebar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.25rem;
    border-radius: var(--radius-lg);
}

.sidebar-group.personal-tools {
    background: var(--color-purple-alpha-08);
}

.sidebar-group.admin-tools {
    background: var(--color-purple-alpha-08);
}

.sidebar-group.console-links {
    background: var(--color-info-alpha-08);
}

.sidebar-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-gray-800);
    text-decoration: none;
    transition: var(--transition-fast);
}

.sidebar-link svg,
.sidebar-link i {
    width: 15px;
    height: 15px;
}

.sidebar-link:hover {
    background: rgba(0, 0, 0, 0.08);
    transform: scale(1.1);
}

/* Dark Mode Admin Sidebar */
body.dark-mode .admin-sidebar {
    background: var(--color-bg);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}

body.dark-mode .sidebar-group.personal-tools,
body.dark-mode .sidebar-group.admin-tools {
    background: var(--color-purple-alpha-12);
}

body.dark-mode .sidebar-group.console-links {
    background: var(--color-info-alpha-12);
}

body.dark-mode .sidebar-link {
    color: var(--color-gray-400);
}

body.dark-mode .sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Dark Mode Toggle in Top Bar */
.btn-darkmode-small {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    font-size: 0.9rem;
}

.btn-darkmode-small:hover {
    transform: scale(1.1);
}

.btn-darkmode-small .icon-moon {
    display: none;
}

body.dark-mode .btn-darkmode-small .icon-sun {
    display: none;
}

body.dark-mode .btn-darkmode-small .icon-moon {
    display: inline;
}

/* Dark Mode - Top Bar */
body.dark-mode .top-bar {
    background-color: var(--color-bg-secondary);
}

body.dark-mode .top-bar-left,
body.dark-mode .top-bar-datetime {
    color: var(--color-gray-700);
    border-color: var(--color-gray-400);
}

body.dark-mode .sparkline-grid {
    stroke: rgba(255, 255, 255, 0.15);
}

body.dark-mode .sparkline-line {
    stroke: var(--color-success);
}

body.dark-mode .sparkline-dot:hover {
    fill: var(--color-success);
}

body.dark-mode .top-bar-right > * {
    border-color: var(--color-gray-400);
}

body.dark-mode .user-name-text {
    color: var(--color-gray-700);
}

body.dark-mode .lang-selector {
    background: var(--color-gray-500) !important;
    border: 1px solid var(--color-gray-700);
}

body.dark-mode .lang-selector .lang-btn {
    color: var(--color-gray-600);
}

body.dark-mode .lang-selector .lang-btn:hover {
    color: var(--color-gray-500);
}

body.dark-mode .lang-selector .lang-btn.active {
    background: var(--color-primary) !important;
    color: var(--color-white);
}

body.dark-mode .top-bar .btn-login,
body.dark-mode .btn-darkmode-small {
    color: var(--color-gray-700);
}

body.dark-mode .top-bar .btn-login:hover,
body.dark-mode .btn-darkmode-small:hover {
    color: var(--color-white);
}

/* Dark Mode - Header */
body.dark-mode .header {
    background-color: var(--color-bg);
}

body.dark-mode .header::after {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-mode .logo-img {
    filter: brightness(0) invert(1);
}

body.dark-mode .logo-sub,
body.dark-mode .logo-main {
    color: var(--color-white);
}

body.dark-mode .nav a {
    color: var(--color-gray-500);
}

body.dark-mode .nav a:hover,
body.dark-mode .nav a.active {
    color: var(--color-primary-light);
}

body.dark-mode .btn-search,
body.dark-mode .btn-icon {
    color: var(--color-gray-500);
}

body.dark-mode .btn-search:hover,
body.dark-mode .btn-icon:hover {
    color: var(--color-white);
}

body.dark-mode .dropdown-menu {
    background: var(--color-bg-secondary);
    border-color: var(--color-gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body.dark-mode .dropdown-menu a {
    color: var(--color-gray-500);
}

body.dark-mode .dropdown-menu a:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary-light);
}

/* ===== Mobile Navigation ===== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--color-gray-800);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

body.dark-mode .mobile-menu-btn {
    color: var(--color-gray-500);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-overlay);
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: var(--color-white);
    z-index: var(--z-modal);
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    right: 0;
}

body.dark-mode .mobile-nav {
    background: var(--color-bg-secondary);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray-300);
}

body.dark-mode .mobile-nav-header {
    border-color: var(--color-gray-200);
}

.mobile-nav-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-gray-800);
}

body.dark-mode .mobile-nav-close {
    color: var(--color-gray-500);
}

.mobile-nav-links {
    padding: 1rem 0;
}

.mobile-nav-links a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--color-gray-800);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    background: var(--color-bg-hover);
    color: var(--color-primary);
}

body.dark-mode .mobile-nav-links a {
    color: var(--color-gray-300);
}

body.dark-mode .mobile-nav-links a:hover,
body.dark-mode .mobile-nav-links a.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-primary-light);
}

.mobile-nav-sub {
    padding-left: 1.5rem;
    background: var(--color-gray-100);
}

body.dark-mode .mobile-nav-sub {
    background: rgba(0, 0, 0, 0.2);
}

.mobile-nav-sub a {
    font-size: 1rem;
    padding: 0.6rem 1.5rem;
}

/* ===== Responsive: 1400px ===== */
@media (max-width: 1400px) {
    .header::after {
        left: 0;
        transform: none;
        width: 100%;
    }
}

/* ===== Responsive: 1300px ===== */
@media (max-width: 1300px) {
    .top-bar-datetime,
    .top-bar-left > .top-bar-sep:first-of-type {
        display: none;
    }
}

/* ===== Responsive: 1024px ===== */
@media (max-width: 1024px) {
    .sparkline-wrap {
        display: none;
    }
}

/* ===== Responsive: 900px (Tablet) ===== */
@media (max-width: 900px) {
    .top-bar-container {
        padding: 0 0.5rem;
    }

    .header-container {
        padding: 0 1rem;
    }

    .logo {
        left: 1rem;
    }

    .header-right {
        right: 1rem;
    }

    .nav {
        gap: 1.5rem;
    }

    .nav a {
        font-size: 1rem;
    }

    .logo-img {
        height: 36px;
    }

    .logo-sub {
        font-size: 0.65rem;
    }

    .logo-main {
        font-size: 1.2rem;
    }

}

/* ===== Responsive: 768px (Small Tablet) ===== */
@media (max-width: 768px) {
    /* Top bar - allow flexible height */
    .top-bar-container {
        height: auto;
        min-height: 24px;
        flex-wrap: nowrap;
        justify-content: flex-end;
    }

    .top-bar-left {
        display: none;
    }

    .top-bar-right {
        flex-shrink: 0;
    }

    .btn-search {
        display: none;
    }

    /* Top bar simplification */
    .top-bar-datetime {
        display: none;
    }

    .top-bar-visitors {
        padding: 0 0.5rem;
        border-right: none;
        white-space: nowrap;
    }

    /* Hide admin sidebar, show admin bar on mobile */
    .admin-sidebar {
        display: none;
    }

    .top-bar-admin {
        display: flex !important;
    }

    /* Hide desktop nav, show hamburger */
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-right {
        display: flex;
        gap: 0.5rem;
    }

    .header-container {
        padding: 0 1.25rem;
        min-height: 45px;
    }
}

/* ===== Responsive: 600px (Large Phone) ===== */
@media (max-width: 600px) {
    .top-bar-container {
        height: auto;
        min-height: 20px;
        padding: 0 0.75rem;
    }

    .top-bar-left {
        font-size: 0.75rem;
    }

    .top-bar-visitors {
        padding: 0 0.3rem;
        gap: 0.2rem;
    }

    .visitor-sparkline {
        width: 28px;
        height: 12px;
    }

    .top-bar-right > * {
        padding: 0 0.5rem;
    }

    .lang-selector {
        margin: 0 0.25rem;
    }

    .lang-btn {
        padding: 0.1rem 0.35rem;
        font-size: 0.75rem;
    }

    .header {
        padding: 0.75rem 0;
    }

    .header-container {
        padding: 0 0.75rem;
        min-height: 40px;
    }

    .logo {
        left: 0.75rem;
        gap: 0.4rem;
    }

    .logo-img {
        height: 32px;
    }

    .logo-sub {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }

    .logo-main {
        font-size: 1.1rem;
    }

    .header-right {
        right: 0.75rem;
    }

    .btn-darkmode-small {
        font-size: 0.8rem;
    }
}

/* ===== Responsive: 480px (Small Phone) ===== */
@media (max-width: 480px) {
    .top-bar {
        padding: 0.1rem 0;
    }

    .top-bar-container {
        height: auto;
        min-height: 18px;
        padding: 0 0.5rem;
    }

    .top-bar-left {
        font-size: 0.7rem;
    }

    /* Hide sparkline on very small screens */
    .sparkline-wrap {
        display: none;
    }

    .top-bar-visitors {
        padding: 0;
    }

    .top-bar-right > * {
        padding: 0 0.35rem;
    }

    .lang-selector {
        margin: 0 0.15rem;
    }

    .lang-btn {
        padding: 0.05rem 0.25rem;
        font-size: 0.7rem;
    }

    /* Hide user name, keep avatar */
    .user-name-text {
        display: none;
    }

    .user-badge {
        display: none;
    }

    .header {
        padding: 0.5rem 0;
    }

    .header-container {
        padding: 0 0.75rem;
        min-height: 36px;
    }

    .logo {
        left: 0.5rem;
        gap: 0.3rem;
    }

    .logo-img {
        height: 28px;
    }

    .logo-text {
        display: none;
    }

    .header-right {
        right: 0.5rem;
        gap: 0.3rem;
    }

    .btn-darkmode-small {
        font-size: 0.75rem;
        padding: 0.1rem;
    }
}

/* ===== Responsive: 360px (Very Small Phone) ===== */
@media (max-width: 360px) {
    /* Hide visitor count text, keep only numbers */
    .top-bar-visitors {
        font-size: 0.65rem;
    }

    .top-bar-right > * {
        padding: 0 0.25rem;
    }

    .lang-selector {
        display: none;
    }
}