:root {
    --primary: #6366f1;
    --background: #0f172a;
    --card-bg: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --error: #ef4444;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 25px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border-radius: 50%;
}

.online .dot {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.offline .dot {
    background: var(--error);
}

.pulse {
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0% { transform: scale(0.95); opacity: 0.9; }
    50% { transform: scale(1.1); opacity: 0.6; }
    100% { transform: scale(0.95); opacity: 0.9; }
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.info-item label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-item span {
    font-size: 1.1rem;
    font-weight: 500;
}

.instructions h3 {
    color: var(--success);
    margin-bottom: 10px;
}

.alert {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.note {
    background: rgba(99, 102, 241, 0.1);
    border-left: 4px solid var(--primary);
}

footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 480px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}