:root {
--bg: #0e0f12;
--panel: #16181d;
--muted: #9aa4b2;
--text: #e7edf7;
--accent: #00ff88;
--border: #262a33;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
margin: 0;
font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
background: var(--bg);
color: var(--text);
}
.topbar {
position: sticky; top: 0; z-index: 20;
display: grid; grid-template-columns: auto 1fr auto; gap: 12px;
align-items: center;
padding: 10px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; letter-spacing: 1px; }
.tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tool { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); }
.tool input[type="range"] { width: 120px; }
.btn {
background: #1f232b; border: 1px solid var(--border); color: var(--text);
padding: 8px 10px; border-radius: 10px; cursor: pointer; transition: transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn[aria-pressed="true"], .btn.primary { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.post-box { display: flex; gap: 8px; align-items: center; }
.post-box input {
background: #101217; border: 1px solid var(--border); border-radius: 10px; color: var(--text);
padding: 8px 10px; min-width: 180px;
}
.stage-wrap { height: calc(100dvh - 120px); padding: 10px; }
#board {
width: 100%; height: 100%; display: block; background: #0a0c10;
border: 1px solid var(--border); border-radius: 12px;
background-image: radial-gradient(#10141b 1px, transparent 1px);
background-size: 16px 16px; background-position: 0 0;
touch-action: none;         /* critical: let pointer/touch events reach JS instead of scrolling/zooming */
user-select: none;
-webkit-user-select: none;
}
.footer { display: flex; justify-content: center; padding: 10px; color: var(--muted); }
.footer a { color: var(--accent); text-decoration: none; }
@media (max-width: 880px) {
.topbar { grid-template-columns: 1fr; align-items: start; gap: 10px; }
.tools { order: 2; }
.post-box { order: 3; flex-wrap: wrap; }
}