:root{--ink:#1d1a1c;--paper:#f6f2e8;--card:#fffdf8;--muted:#6d655d;--line:#d9d1c2;--accent:#ef7f97;--accent-ink:#7a1f35;--radius:10px;color:var(--ink);background:var(--paper);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,Segoe UI,sans-serif;font-size:15px;line-height:1.45}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit;color:inherit}.app{grid-template-columns:320px 1fr;min-height:100vh;display:grid}.panel{border-right:2px solid var(--ink);background:var(--card);flex-direction:column;gap:18px;max-height:100vh;padding:22px 20px;display:flex;position:sticky;top:0;overflow-y:auto}.brand h1{letter-spacing:-.02em;margin:0;font-size:26px}.brand p{color:var(--muted);margin:2px 0 0;font-size:13px}.group{flex-direction:column;gap:12px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field>span,.range-head,.advanced summary{font-size:13px;font-weight:600}select,input[type=text]{border:1.5px solid var(--ink);background:#fff;border-radius:8px;width:100%;padding:8px 10px}select:focus-visible,input:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.segmented{border:1.5px solid var(--ink);border-radius:8px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.segmented button{border:0;border-left:1.5px solid var(--ink);color:var(--ink);cursor:pointer;background:#fff;padding:8px 2px;font-size:13px;font-weight:500}.segmented button:first-child{border-left:0}.segmented button.on{background:var(--ink);color:#fff;font-weight:700}.seed-row{gap:8px;display:flex}.seed-row input{flex:1;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}button{border:1.5px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;border-radius:8px;padding:9px 12px;font-weight:600;transition:transform 80ms}button:active{transform:translateY(1px)}button.ghost{color:var(--ink);background:#fff}button.small{align-self:flex-start;padding:6px 10px;font-size:13px}.advanced{border:1.5px dashed var(--line);border-radius:var(--radius);padding:10px 12px}.advanced summary{cursor:pointer}.advanced[open] summary{margin-bottom:10px}#advanced{flex-direction:column;gap:12px;margin-bottom:12px;display:flex}.range{flex-direction:column;gap:4px;display:flex}.range-head{justify-content:space-between;display:flex}.range output{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:400}input[type=range]{width:100%;accent-color:var(--ink)}.toggle{cursor:pointer;align-items:center;gap:8px;font-weight:600;display:flex}.toggle input{accent-color:#e5322d;width:18px;height:18px}.buttons{grid-template-columns:1fr 1fr;gap:8px;display:grid}.stats{border-top:1.5px solid var(--line);margin-top:auto;padding-top:12px}.stats dl{grid-template-columns:repeat(3,1fr);gap:8px 6px;margin:0;display:grid}.stats dt{color:var(--muted);font-size:11px}.stats dd{font-variant-numeric:tabular-nums;margin:0;font-weight:700}.stage{flex-direction:column;min-width:0;height:100vh;display:flex}.toolbar{border-bottom:1.5px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex}.zoom{display:flex}.zoom button{color:var(--ink);background:#fff;border-radius:0;padding:6px 12px;font-size:13px}.zoom button:first-child{border-radius:8px 0 0 8px}.zoom button:last-child{border-left:0;border-radius:0 8px 8px 0}.zoom button.on{background:var(--ink);color:#fff}.hint{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.viewport{flex:1;padding:24px;display:flex;overflow:auto}.sheet{border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink);background:#fff;border-radius:4px;max-width:100%;max-height:100%;margin:auto;padding:8px;display:flex}.sheet svg{width:auto;max-width:100%;height:auto;max-height:calc(100vh - 140px);display:block}.viewport.actual .sheet,.viewport.actual .sheet svg{max-width:none;max-height:none}@media (width<=860px){.app{grid-template-columns:1fr}.panel{border-right:0;border-bottom:2px solid var(--ink);max-height:none;position:static}.stage{height:auto}.sheet svg{max-height:none}}@media print{html,body{background:#fff}.panel,.toolbar{display:none}.app{min-height:0;display:block}.stage,.viewport{height:auto;padding:0;display:block;overflow:visible}.sheet{box-shadow:none;break-inside:avoid;-webkit-print-color-adjust:exact;print-color-adjust:exact;border:0;border-radius:0;justify-content:center;align-items:center;max-width:none;max-height:none;margin:0;padding:0}.sheet svg{width:100%;max-width:none;height:100%;max-height:none}}