.navigation-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 70px;
}

/* 브랜드 로고 */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    text-decoration: none;
}

.brand-logo {
    font-size: 32px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-text h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.brand-text span {
    font-size: 12px;
    opacity: 0.9;
    display: block;
    line-height: 1;
}

/* 모바일 메뉴 토글 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 메인 메뉴 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
    justify-content: center;
}

.menu-items {
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: none;
    border: none;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
    white-space: nowrap;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.menu-item.active {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.menu-item.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: white;
    border-radius: 2px;
}

.menu-icon {
    font-size: 16px;
}

.menu-label {
    font-weight: 600;
}

.admin-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

/* 사용자 메뉴 */
.user-menu-container {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-menu-trigger:hover {
    background: rgba(255, 255, 255, 0.2);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    opacity: 0.9;
    line-height: 1;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.user-menu-trigger:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 사용자 드롭다운 */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    animation: dropdownSlide 0.3s ease-out;
    z-index: 1000;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown-header {
    padding: 24px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details .user-name {
    font-size: 16px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 4px;
}

.user-username {
    font-size: 14px;
    color: #718096;
    margin-bottom: 4px;
}

.user-email {
    font-size: 13px;
    color: #4a5568;
    margin-bottom: 8px;
    word-break: break-all;
}

.user-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.role-badge,
.access-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.role-badge { background: #bee3f8; color: #2b6cb0; }
.access-badge { background: #c6f6d5; color: #2f855a; }

.user-department {
    font-size: 12px;
    color: #718096;
    font-style: italic;
}

.user-dropdown-menu {
    padding: 8px 0;
}

.dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: none;
    border: none;
    color: #4a5568;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.dropdown-item:hover {
    background: #f7fafc;
    color: #2d3748;
}

.dropdown-item.logout-item {
    color: #e53e3e;
}

.dropdown-item.logout-item:hover {
    background: #fed7d7;
    color: #c53030;
}

.item-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 8px 0;
}

.user-dropdown-footer {
    padding: 16px 24px;
    background: #f7fafc;
    border-top: 1px solid #e2e8f0;
}

.permissions-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.permissions-label {
    font-size: 12px;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
}

.permissions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.permission-tag {
    padding: 2px 6px;
    background: #e2e8f0;
    color: #4a5568;
    font-size: 10px;
    border-radius: 8px;
    font-weight: 500;
}

.permission-more {
    padding: 2px 6px;
    background: #cbd5e0;
    color: #2d3748;
    font-size: 10px;
    border-radius: 8px;
    font-weight: 600;
}

/* 모바일 오버레이 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
    .menu-items {
        gap: 4px;
    }
    
    .menu-item {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .menu-label {
        display: none;
    }
    
    .menu-icon {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
        height: 60px;
    }
    
    .brand-text h1 {
        font-size: 18px;
    }
    
    .brand-text span {
        font-size: 11px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.mobile-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-overlay {
        display: block;
    }
    
    .menu-items {
        flex-direction: column;
        gap: 8px;
        width: 100%;
        margin-bottom: 16px;
    }
    
    .menu-item {
        width: 100%;
        justify-content: flex-start;
        padding: 16px;
        color: #2d3748;
        border-radius: 12px;
        background: #f7fafc;
    }
    
    .menu-item:hover {
        background: #edf2f7;
        transform: none;
    }
    
    .menu-item.active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .menu-label {
        display: block;
    }
    
    .user-menu-container {
        width: 100%;
    }
    
    .user-menu-trigger {
        width: 100%;
        justify-content: flex-start;
        background: #f7fafc;
        color: #2d3748;
        border-radius: 12px;
        padding: 16px;
    }
    
    .user-avatar {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .user-dropdown {
        position: static;
        width: 100%;
        margin-top: 8px;
        box-shadow: none;
        border: 1px solid #e2e8f0;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 12px;
    }
    
    .brand-text h1 {
        font-size: 16px;
    }
    
    .user-dropdown {
        width: calc(100vw - 24px);
        left: 12px;
        right: 12px;
    }
}