:root {
    --primary-blue: #2563EB;
    --accent-green: #10B981;
    --highlight-red: #F43F5E;
    --dark-bg: #1E293B;
    --darker-bg: #0F172A;
    --text-light: #F8FAFC;
    --text-muted: #94A3B8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: #f8f8f8;
    display: flex;
    flex-direction: column;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-bg);
    display: flex;
    align-items: center;
    padding: 0.5rem 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    height: 50px;
    transition: background-color 0.3s ease;
    font-size: 14px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.logo-main {
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-green) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-right: 0.3rem;
}

.logo-pro {
    background: var(--highlight-red);
    color: white;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    font-size: 0.55em;
    margin-left: 0.3rem;
    position: relative;
    box-shadow: 0 2px 4px rgba(244, 63, 94, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    margin-left: 20px;
    flex-grow: 1;
}

.header-wtp-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.header-wtp-nav-item {
    position: relative;
    margin: 1px;
    white-space: nowrap;
}

.header-wtp-nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 5px;
    display: block;
    transition: color 0.3s;
    font-size: 16px;
}

.header-wtp-nav-link:hover {
    color: var(--accent-green);
}

.header-wtp-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--darker-bg);
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 2px 0;
    min-width: auto;
    width: max-content;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
}

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

.header-wtp-dropdown-item {
    display: block;
    padding: 2px 5px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 13px;
}

.header-wtp-dropdown-item:hover {
    color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.05);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 2px;
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    left: -175px;
    width: 175px;
    height: 100vh;
    background-color: var(--darker-bg);
    z-index: 1001;
    transition: all 0.3s ease;
    overflow-y: auto;
    padding-top: 50px;
}

.mobile-sidebar.active {
    left: 0;
}

.mobile-sidebar .header-wtp-nav-menu {
    flex-direction: column;
    padding: 2px;
    width: 100%;
}

.mobile-sidebar .header-wtp-nav-item {
    margin: 2px 0 2px 2px;
    width: 100%;
}

.mobile-sidebar .header-wtp-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    display: none;
    background-color: transparent;
    box-shadow: none;
    padding-left: 7px;
    width: 100%;
    list-style: none;
}

.mobile-sidebar .header-wtp-nav-item.active .header-wtp-dropdown-menu {
    display: block;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
}

.sidebar-overlay.active {
    display: block;
}

.eyou-logo img {
    height: 35px;
    width: auto;
    display: block;
    margin-left: -20px;
}

.eyou-nav-active {
    color: var(--accent-green) !important;
    font-weight: 600;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--darker-bg);
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 2px 0;
    min-width: auto;
    width: max-content;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
}

.header-wtp-nav-item:hover .sub-menu {
    opacity: 1;
    visibility: visible;
}

.sub-menu li {
    margin: 0;
}

.sub-menu a {
    display: block;
    padding: 2px 5px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
}

.sub-menu a:hover {
    color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.05);
}

.mobile-sidebar .header-wtp-nav-link {
    position: relative;
    padding-right: 30px;
    font-size: 14px;
}

.mobile-sidebar .header-wtp-nav-item.has-children .header-wtp-nav-link::after {
    content: '▼';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    transition: transform 0.3s;
}

.mobile-sidebar .header-wtp-nav-item.active.has-children .header-wtp-nav-link::after {
    transform: translateY(-50%) rotate(180deg);
}

@media (max-width: 1200px) {
    .mobile-sidebar {
        top: 50px;
        height: calc(100vh - 50px);
        padding-top: 0;
        width: 175px;
        left: -175px;
    }
    
    .mobile-sidebar .header-wtp-nav-menu {
        padding: 2px;
    }
    
    .navbar {
        padding: 0.5rem;
        flex-direction: row;
        justify-content: center;
    }
    
    .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .nav-container {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
    }
}