:root {
   --bg: #12131a;
   --bg-accent: #1b1d29;
   --text: #e8e9f0;
   --muted: #9aa0b5;
   --accent: #7c9cff;
}

* {
   box-sizing: border-box;
}

html, body {
   margin: 0;
   padding: 0;
   min-height: 100vh;
}

body {
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   gap: 0.75rem;
   padding: 2rem 1rem;
   background: radial-gradient(circle at 50% 0%, var(--bg-accent), var(--bg) 70%);
   color: var(--text);
   font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
   text-align: center;
   -webkit-font-smoothing: antialiased;
}

h1 {
   margin: 0;
   font-size: clamp(1.8rem, 4vw, 2.6rem);
   font-weight: 700;
   letter-spacing: -0.02em;
   background: linear-gradient(90deg, var(--accent), #b892ff);
   -webkit-background-clip: text;
   background-clip: text;
   color: transparent;
}

p.description {
   margin: 0 0 0.5rem;
   max-width: 42rem;
   font-size: clamp(0.95rem, 2vw, 1.1rem);
   line-height: 1.5;
   color: var(--muted);
}

canvas {
   display: block;
   border-radius: 12px;
   box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
   max-width: 100%;
}