body {
    margin: 0;
    padding: 0;
    font-family: 'Nanum Gothic', sans-serif;
    background: #0d1117;
    color: #c9d1d9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #161b22;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 700;
    color: #58a6ff;
    user-select: none;
    text-decoration: none;
}

.logo-img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
}

nav {
    display: flex;
    gap: 18px;
}

nav a {
    color: #c9d1d9;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 8px 14px;
    border-radius: 6px;
    transition: background-color 0.25s ease;
}

nav a:hover {
    background-color: #238636;
    color: white;
}

main {
    flex: 1;
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

main h1 {
    font-size: 2.4rem;
    margin-bottom: 15px;
}

main p {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.btn {
    background-color: #238636;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #2ea043;
}

footer {
    background-color: #161b22;
    color: #8b949e;
    padding: 15px;
    text-align: center;
    font-size: 0.9rem;
}

/* 모바일 대응 */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
        padding: 15px 20px;
    }
    header .logo {
        flex: 1 1 100%;
        margin-bottom: 10px;
        font-size: 1.5rem;
        text-align: center;
    }
    nav.nav-links {
        display: none;
    }
    .nav-dropdown {
        display: block;
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
        padding: 10px;
        font-size: 1rem;
        border-radius: 6px;
        background-color: #161b22;
        color: #c9d1d9;
        border: 1px solid #30363d;
    }
}

nav a.premium-aurora {
    background: linear-gradient(90deg, #76FFD2, #56CCF2, #2F80ED, #833AB4, #DA22FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

nav a.premium-instagram {
    background: linear-gradient(90deg, #feda75, #fa7e1e, #d62976, #962fbf, #4f5bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

nav a.premium-lavender-pink {
    background: linear-gradient(90deg, #ff9a9e, #fad0c4, #fad0c4, #fbc7c7, #f4a7a7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

nav a.premium-sunset {
    background: linear-gradient(90deg, #ff9966, #ff5e62, #ff2a68, #d61c59, #8b0e44);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

nav a.premium-neon-blue {
    background: linear-gradient(90deg, #00f260, #0575e6, #00f260, #0575e6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-weight: 900;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7);
}

/* premium.html 전용 스타일 */
main {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: left;
    color: #c9d1d9;
}

main h2 {
    color: #58a6ff;
    margin-top: 30px;
}

.section-desc {
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 1.1rem;
}

form {
    margin-top: 30px;
    background-color: #161b22;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.5);
}

form label {
    display: block;
    margin-bottom: 12px;
    font-weight: 700;
    cursor: pointer;
}

form input[type="radio"] {
    margin-right: 10px;
}

.submit-btn {
    background-color: #238636;
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 1.1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 20px;
    display: inline-block;
}

.submit-btn:hover {
    background-color: #2ea043;
}

.note {
    margin-top: 12px;
    font-size: 0.9rem;
    color: #8b949e;
}

.form-section {
    margin-top: 20px;
    display: none;
}

select,
input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
    border: 1px solid #30363d;
    background-color: #0d1117;
    color: #c9d1d9;
    font-size: 1rem;
}


@media (min-width: 769px) {
    .nav-dropdown {
        display: none;
    }
}

/* 서버 상태 영역 */
.status-section {
    margin-top: 30px;
    background-color: #161b22;
    padding: 20px;
    border-radius: 10px;
    color: #c9d1d9;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.2);
}

.status-item {
    margin-bottom: 12px;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-label {
    font-weight: 700;
    color: #c9d1d9;
}

.status-value {
    font-weight: 600;
}

.status-green {
    color: #00ff88;
}

.status-yellow {
    color: #ffdd57;
}

.status-red {
    color: #ff5555;
}

@media (max-width: 768px) {
    .status-section {
        font-size: 0.95rem;
        padding: 15px;
    }
    .status-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .status-value {
        margin-top: 5px;
    }
}