* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #0b1120;
    color: #ffffff;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 50px 20px;
    border-bottom: 1px solid #1e293b;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

header p {
    color: #94a3b8;
}

main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.card {
    background: #111827;
    border: 1px solid #1e293b;
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 25px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.status {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}

.online {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.offline {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.unknown {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.info p {
    margin-bottom: 10px;
}

.btn {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    text-decoration: none;
    margin-right: 10px;
    margin-top: 10px;
}

.btn:hover {
    background: #1d4ed8;
}

.secondary {
    background: #374151;
}

.secondary:hover {
    background: #4b5563;
}

footer {
    text-align: center;
    color: #64748b;
    padding: 30px;
    border-top: 1px solid #1e293b;
}

.navbar {
    background: #111827;
    border-bottom: 1px solid #1e293b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
}

.nav-logo a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: 0.2s;
}

.nav-links a:hover {
    color: #60a5fa;
}