/* 네비게이션 바 공통 스타일 */
.main-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-title {
    margin: 0;
    padding: 15px 0;
}

.header-title a {
    color: white;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
    display: inline-block;
    transition: transform 0.3s;
}

.header-title a:hover {
    transform: scale(1.05);
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 10px 0;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    background: rgba(255,255,255,0.1);
    white-space: nowrap;
}

.main-nav a:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.main-nav a.active {
    background: white;
    color: #667eea;
    font-weight: bold;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header-title a {
        font-size: 18px;
    }
    
    .main-nav {
        justify-content: flex-start;
    }
    
    .main-nav a {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* 기존 container 스타일 조정 */
body {
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

main {
    padding: 20px 0;
}