body { font-family: system-ui, sans-serif; margin: 1rem auto; max-width: 1100px; padding: 0 1rem; background: #101418; color: #e6edf3; }
h1 { margin-bottom: 0.2rem; }
.pane { background: #1a2129; border: 1px solid #2d3742; border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
label { display: block; margin: 0.4rem 0; }
input, textarea { width: 100%; box-sizing: border-box; background: #0d1117; color: #e6edf3; border: 1px solid #2d3742; border-radius: 6px; padding: 0.4rem; }
input { width: auto; }
textarea { font-size: 11px; }
button { background: #2f81f7; color: white; border: 0; border-radius: 6px; padding: 0.45rem 0.9rem; margin: 0.3rem 0.3rem 0.3rem 0; cursor: pointer; }
button:hover { background: #1f6feb; }
.row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
#view { width: 100%; height: 62vh; background: #87ceeb; border-radius: 8px; overflow: hidden; }
#view canvas { display: block; }
#hud { display: flex; gap: 1rem; flex-wrap: wrap; align-items: baseline; margin-top: 0.5rem; font-size: 13px; }
#status { color: #7ee787; }
.hint { color: #8b98a5; font-size: 12px; }
#log { background: #0d1117; border-radius: 6px; padding: 0.6rem; height: 110px; overflow: auto; font-size: 12px; white-space: pre-wrap; }
details { margin-top: 0.8rem; }