:root {
    --primary-color: #3b82f6; /* A vibrant blue */
    --primary-hover: #2563eb;
    --background-color: #111827; /* Dark blue-gray */
    --surface-color: #1f2937; /* Lighter surface for cards */
    --text-color: #f9fafb; /* Off-white */
    --text-muted-color: #9ca3af; /* Gray for subtitles */
    --border-color: #374151;
    --success-color: #10B981; /* Green for success/online states */
    --error-color: #ef4444; /* Red for error/offline states */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}