/* Login/User buttons */
#loginButton,
#userMenu {
    z-index: 100;
}

.header-btn {
    height: 40px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #00d4ff, #00e5ff);
    border: none;
    border-radius: 10px;
    color: #0a0e1a;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

/* User avatar button */
.user-avatar-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1.5px solid #00d4ff;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.9);
}

.user-avatar-btn:hover {
    transform: translateY(-2px) scale(1.1);
    filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.5));
}

.user-avatar-btn svg {
    width: 40px;
    height: 40px;
}

/* User menu */
.user-menu {
    position: relative;
}

/* Dropdown menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 200px;
    background: rgba(26, 31, 58, 0.95);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    padding: 8px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.3s;
}

.dropdown-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.dropdown-header {
    padding: 12px 20px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown-email {
    font-size: 13px;
    color: #00d4ff;
    word-break: break-all;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 8px 0;
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: #e8ebf0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
}

.hidden {
    display: none;
}

/* Mobile optimizations */
@media (max-width: 600px) {
    #loginButton,
    #userMenu {
        top: 10px;
        right: 10px;
    }
    
    .header-btn {
        padding: 6px 16px;
        font-size: 13px;
        height: 36px;
    }
    
    .user-avatar-btn {
        width: 36px;
        height: 36px;
    }
    
    .user-avatar-btn svg {
        width: 28px;
        height: 28px;
    }
    
    .dropdown-menu {
        min-width: 160px;
    }
}

.header-auth-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1000;
}

.language-dropdown {
    position: relative;
}

.lang-current-btn {
    padding: 10px 16px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-current-btn:hover {
    color: #00d4ff;
}

.lang-menu {
    position: absolute;
    top: 48px;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 140px;
    display: none;
}

.lang-menu.active {
    display: block;
}

.lang-option {
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: none;
    color: white;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}

.lang-option:hover {
    background: rgba(0, 212, 255, 0.2);
}