:root{--bg: #f7f7f5;--fg: #1c1c1a;--muted: #6b6b66;--accent: #2456c4;--danger: #b3261e;--ok: #1e7d3c;--warn-bg: #fdf3e0;--sensitive-bg: #fff2f0;--border: #d9d9d4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,sans-serif}main{max-width:960px;margin:0 auto;padding:1.5rem 1rem 4rem}header h1{margin-bottom:0}.tagline,.hint{color:var(--muted)}footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--muted);font-size:.85rem}button,.button{font:inherit;padding:.4rem .9rem;border:1px solid var(--border);border-radius:6px;background:#fff;cursor:pointer;text-decoration:none;color:inherit;display:inline-block}button.primary,.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:default}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:3rem 1rem;text-align:center;background:#fff}.dropzone.dragging{border-color:var(--accent);background:#eef3ff}.error{color:var(--danger)}table{width:100%;border-collapse:collapse;background:#fff;margin-bottom:1rem}th,td{text-align:left;padding:.35rem .6rem;border-bottom:1px solid var(--border);vertical-align:top;overflow-wrap:anywhere}tr.sensitive{background:var(--sensitive-bg)}tr.deleted td{text-decoration:line-through;color:var(--muted)}tr.edited td,tr.changed{background:#f0f6ff}tr.removed{background:#fdeceb}tr.added{background:#ecf7ef}.badge{display:inline-block;margin-left:.3rem;color:var(--danger);font-weight:700}.badge.link{color:var(--accent)}.value{width:100%;border:1px solid transparent;background:transparent;font:inherit;padding:.1rem .25rem}.value:focus{border-color:var(--accent);background:#fff;outline:none}.readonly{color:var(--muted)}.toolbar{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:1rem}.toolbar .filename{font-weight:600;margin-right:auto}.oer-panel,.add-field{display:flex;flex-wrap:wrap;gap:.5rem;padding:.8rem;background:#fff;border:1px solid var(--border);border-radius:8px;margin-bottom:1rem}.oer-panel input,.add-field input,.add-field select{font:inherit;padding:.35rem .5rem;border:1px solid var(--border);border-radius:6px}.linked-hint{padding:.6rem .8rem;background:var(--warn-bg);border:1px solid #e5c98a;border-radius:8px;margin-bottom:1rem}.banner{padding:.7rem 1rem;border-radius:8px;margin-bottom:.8rem}.banner.ok{background:#ecf7ef;color:var(--ok)}.banner.warn{background:var(--warn-bg)}.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0 2rem}.additions{background:#fff;border:1px solid var(--border);border-radius:8px;padding:.6rem 1rem .6rem 2rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center}.modal{background:#fff;border-radius:12px;padding:1.2rem 1.5rem;max-width:640px;max-height:80vh;overflow:auto;width:92%}.modal-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:1rem}.op{font-weight:700;margin-right:.4rem}.op.del{color:var(--danger)}.op.set{color:var(--accent)}.op.add{color:var(--ok)}