.dt-tool-03{display:grid;grid-template-columns:minmax(320px,.78fr) minmax(0,1.22fr);gap:18px;align-items:start}
.dt-tool-03 .markdown-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:18px;box-shadow:var(--shadow-sm);min-width:0}
.dt-tool-03 .markdown-input-card{position:sticky;top:20px}
.dt-tool-03-input{min-height:430px}
.dt-tool-03-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.dt-tool-03-options label{display:grid;gap:6px;color:var(--muted);font-size:.84rem}
.dt-tool-03-options select{width:100%;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);padding:10px 12px}
.dt-tool-03-file input{display:none}
.dt-tool-03-paper{min-height:430px;border:1px solid var(--border);border-radius:18px;padding:22px;overflow:auto;max-width:820px;margin:0 auto;background:#fff;color:#111827;box-shadow:inset 0 0 0 1px rgba(15,23,42,.04)}
.dt-tool-03-empty{min-height:320px;display:grid;place-content:center;text-align:center;border:1px dashed var(--border-strong);border-radius:16px;background:rgba(255,255,255,.64);color:var(--muted);padding:22px}
.dt-tool-03-empty h2{margin:0 0 8px;color:var(--text);font-size:1.04rem}
.dt-tool-03-empty p{margin:0}
.dt-tool-03-paper h1,.dt-tool-03-paper h2,.dt-tool-03-paper h3{line-height:1.2;margin:1.2em 0 .5em}
.dt-tool-03-paper h1{font-size:1.85rem;margin-top:0}
.dt-tool-03-paper h2{font-size:1.4rem}
.dt-tool-03-paper p,.dt-tool-03-paper ul,.dt-tool-03-paper ol,.dt-tool-03-paper blockquote,.dt-tool-03-paper pre{margin:0 0 1rem}
.dt-tool-03-paper code{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:.08em .35em}
.dt-tool-03-paper pre{background:#0f172a;color:#e5e7eb;border-radius:14px;padding:16px;overflow:auto}
.dt-tool-03-paper blockquote{border-left:4px solid var(--primary);background:var(--surface);border-radius:0 12px 12px 0;padding:10px 14px;color:var(--muted)}
.dt-tool-03-paper table{width:100%;border-collapse:collapse;margin:0 0 1rem;font-size:.94rem}
.dt-tool-03-paper th,.dt-tool-03-paper td{border:1px solid #d7deea;padding:8px 10px;text-align:left;vertical-align:top}
.dt-tool-03-paper th{background:#f8fafc;font-weight:700}
.dt-tool-03-paper input[type="checkbox"]{margin-right:8px}
.dt-tool-03-status{color:var(--muted);font-size:.82rem}
body[data-page-kind="tool"] .hero-mini+.dt-tool-03{margin-top:18px}
@media (max-width:900px){
  .dt-tool-03{grid-template-columns:1fr;margin-bottom:88px}
  .dt-tool-03 .markdown-input-card{position:static}
  .dt-tool-03-input,.dt-tool-03-paper{min-height:360px}
  .dt-tool-03-options{grid-template-columns:1fr}
  .dt-tool-03 .markdown-card{border-radius:18px;padding:14px}
  .dt-tool-03-paper{padding:16px}
}
@media (max-width:640px){
  body[data-page-kind="tool"] .hero-mini+.dt-tool-03{margin-top:14px}
}