:root{--bg:#f6f7f9;--surface:#fff;--surface-2:#eef1f5;--text:#14181f;--muted:#687180;--border:#d9dee7;--border-strong:#b9c2cf;--primary:#176b87;--primary-hover:#12566c;--primary-text:#fff;--focus:#d9822b;--shadow:0 16px 42px #14181f14;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--text);background:var(--bg);font-family:var(--sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;margin:0}button,textarea{font:inherit}button{cursor:pointer}#app{min-height:100svh}.app-shell{grid-template-rows:auto minmax(0,1fr) auto;min-height:100svh;display:grid}.topbar{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;gap:24px;min-height:76px;padding:16px 22px;display:flex}.eyebrow,.pane-header p,.statusbar{color:var(--muted);font-size:13px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;margin:0 0 2px;font-weight:700}h1,h2{letter-spacing:0;margin:0;line-height:1.1}h1{font-size:24px}h2{font-size:15px}.toolbar{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.file-input{display:none}.button{border:1px solid var(--border-strong);background:var(--surface);min-height:36px;color:var(--text);border-radius:6px;padding:0 13px;font-size:14px;font-weight:650}.button:hover{border-color:var(--primary)}.button:focus-visible,textarea:focus-visible{outline:3px solid color-mix(in srgb, var(--focus) 38%, transparent);outline-offset:2px}.button.primary{border-color:var(--primary);background:var(--primary);color:var(--primary-text)}.button.primary:hover{background:var(--primary-hover)}.workspace{grid-template-columns:minmax(360px,.95fr) minmax(420px,1.05fr);gap:14px;min-height:0;padding:14px;display:grid}.pane{border:1px solid var(--border);background:var(--surface);min-width:0;min-height:0;box-shadow:var(--shadow);border-radius:8px;grid-template-rows:auto minmax(0,1fr);display:grid;overflow:hidden}.pane-header{border-bottom:1px solid var(--border);background:#fbfcfd;justify-content:space-between;align-items:center;gap:16px;min-height:58px;padding:12px 14px;display:flex}.pane-header p{margin:4px 0 0}.badge{border:1px solid var(--border);color:var(--muted);background:var(--surface);border-radius:999px;flex:none;padding:4px 8px;font-size:12px;font-weight:700;line-height:1}textarea{resize:none;color:#f8fafc;caret-color:#f9b44a;width:100%;min-height:0;font-family:var(--mono);tab-size:2;background:#111827;border:0;padding:16px;font-size:14px;line-height:1.55}.preview-surface{background-color:#fafbfc;background-image:linear-gradient(45deg,#eef1f5 25%,#0000 25%),linear-gradient(-45deg,#eef1f5 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#eef1f5 75%),linear-gradient(-45deg,#0000 75%,#eef1f5 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-repeat:repeat,repeat,repeat,repeat;background-size:20px 20px;background-attachment:scroll,scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box;place-items:center;min-width:0;min-height:0;padding:18px;display:grid;overflow:auto}.svg-preview{border:1px solid var(--border);object-fit:contain;background:#fff;border-radius:8px;width:min(100%,900px);height:auto;max-height:100%;display:block}.empty-state{border:1px dashed var(--border-strong);background:var(--surface);color:var(--muted);border-radius:8px;margin:0;padding:18px 22px;font-size:14px}.statusbar{border-top:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;gap:16px;min-height:34px;padding:8px 16px;display:flex}@media (width<=860px){.topbar{flex-direction:column;align-items:flex-start;gap:12px}.toolbar{justify-content:flex-start;width:100%}.workspace{grid-template-rows:minmax(320px,48svh) minmax(320px,1fr);grid-template-columns:1fr}.statusbar{flex-direction:column;align-items:flex-start;gap:3px}}@media (width<=520px){.topbar,.workspace{padding-inline:10px}h1{font-size:21px}.button{flex:calc(50% - 8px)}}