:root{color-scheme:dark;--bg:#0b0e13;--panel:#141a22;--line:#26303c;--fg:#e7edf5;--muted:#8fa0b4;--accent:#6ea8fe;--err:#ff8b8b;--warn:#ffcf7a}*{box-sizing:border-box}body,html{margin:0;height:100%;color:var(--fg);font:15px/1.5 ui-sans-serif,system-ui,Noto Sans Thai,sans-serif}body{background:radial-gradient(1100px 560px at 85% -10%,rgba(110,168,254,.2),transparent 60%),radial-gradient(760px 440px at 12% 6%,rgba(110,168,254,.16),transparent 60%),radial-gradient(900px 520px at -10% 110%,rgba(167,110,254,.14),transparent 60%),radial-gradient(rgba(231,237,245,.11) 1.2px,transparent 1.7px) 0 0 /22px 22px,var(--bg);background-attachment:fixed}.page{display:grid;grid-template-columns:minmax(420px,1fr) 1fr;min-height:100dvh}.col{display:flex;flex-direction:column;gap:2px;padding:24px;min-width:0}.stage{position:relative;height:clamp(320px,52dvh,640px)}.stage-canvas{display:block;width:100%;height:100%}.stage-gear{position:absolute;top:12px;right:12px;width:36px;height:36px;padding:0;font-size:18px;line-height:1;color:var(--fg);background:rgba(20,26,34,.75);border:1px solid var(--line);border-radius:10px;cursor:pointer}.stage-gear:hover{border-color:var(--accent)}.stage-settings{position:absolute;top:56px;right:12px;width:240px;gap:12px;padding:14px;background:rgba(20,26,34,.92);border:1px solid var(--line);border-radius:12px;z-index:5}.setting,.stage-settings{display:flex;flex-direction:column}.setting{gap:6px}.setting .field-label{margin:0}.setting input[type=range]{width:100%}.swatches{display:flex;gap:8px}.swatch{width:28px;height:28px;padding:0;border:1px solid var(--line);border-radius:8px;cursor:pointer}.swatch-on{outline:2px solid var(--accent);outline-offset:1px}.swatch-clear{background:conic-gradient(#8fa0b4 0 25%,#39424e 0 50%,#8fa0b4 0 75%,#39424e 0) 0 0 /14px 14px}.swatch-pick{background:none}.stage-loading{position:absolute;inset:0;display:grid;place-items:center;background:rgba(11,14,19,.55);font-size:15px}.caption{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);max-width:90%;padding:6px 16px;border-radius:999px;background:rgba(0,0,0,.55);color:#fff;font-size:20px;text-align:center}.controls{display:flex;flex-direction:column;gap:16px;padding:24px;background:rgba(20,26,34,.65);border:1px solid var(--line);border-radius:16px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-width:0}.title{margin:0;font-size:22px;font-weight:600}.sub{margin:4px 0 0;color:var(--muted);font-size:13px}.row{display:flex;flex-wrap:wrap;gap:8px}.fields2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.fields2,.fields2>.field,.fields2>.setting{min-width:0}.field,.field-label{display:block}.field-label{margin-bottom:6px;color:var(--muted);font-size:13px}.btn,.charbtn,.control{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 12px}.control{width:100%}.btn,.charbtn{cursor:pointer}.btn:hover:not(:disabled),.charbtn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled,.charbtn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#08131f;font-weight:600}.charrow{display:flex;flex-wrap:wrap;gap:8px}.charbtn{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:74px}.charbtn-name{font-size:15px}.charbtn-char{font-size:12px;color:var(--muted)}.charbtn:disabled .charbtn-char{text-decoration:line-through}.warn{color:var(--warn)}.err,.warn{margin:0;font-size:13px}.err{color:var(--err);white-space:pre-wrap}