:root {
    --bg: #050812;
    --fg: #e8f1ff;
    --muted: #8fa3c7;
    --accent: #7cf7ff;
    --danger: #ff5b7a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top, #16213e 0%, var(--bg) 55%);
    color: var(--fg);
    display: grid;
    place-items: center;
    padding: 20px;
}

.page {
    width: min(920px, 100%);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

h1 {
    margin: 0;
    font-size: clamp(1.4rem, 4vw, 2.3rem);
    letter-spacing: 0.04em;
}

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

.panel {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

canvas {
    width: 100%;
    display: block;
    background: #03050d;
    border-radius: 12px;
    image-rendering: pixelated;
}

.info {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.95rem;
    margin-top: 12px;
}

.controls {
    margin-top: 12px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

button {
    border: 0;
    border-radius: 999px;
    padding: 10px 16px;
    background: var(--accent);
    color: #06111f;
    font-weight: 700;
    cursor: pointer;
}

button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--fg);
}

button:hover {
    filter: brightness(1.08);
}