:root{color-scheme:light;--background:#f6f7f3;--surface:#ffffff;--surface-muted:#eef1ea;--text:#16201c;--muted:#5d6a62;--line:#d8ded5;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--warning:#9a5b00}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}button{border:0;border-radius:6px;background:var(--accent);color:#ffffff;cursor:pointer;font-weight:700;padding:10px 14px}button:hover{background:var(--accent-strong)}button:disabled{cursor:not-allowed;opacity:.45}main{min-height:100vh;padding:22px}.topbar{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;display:flex;justify-content:space-between;gap:18px;margin:0 auto 18px;padding:18px 20px}h1,h2,h3,p{margin:0}h1{font-size:28px}.field-card p,.topbar p{color:var(--muted)}.topbar-actions{align-items:flex-end;display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.language-switch{display:grid;grid-gap:4px;gap:4px;min-width:128px}.language-switch span{color:var(--muted);font-size:12px}.workspace{display:grid;grid-gap:18px;gap:18px;grid-template-columns:minmax(360px,1.05fr) minmax(380px,.95fr);margin:18px auto}.editor-panel,.fields-panel,.results{background:var(--surface);border:1px solid var(--line);border-radius:8px;min-width:0;padding:16px}.section-heading{align-items:center;display:flex;justify-content:space-between;gap:14px;margin-bottom:12px}.section-heading h2{font-size:18px}.section-heading span{color:var(--muted);font-size:13px}textarea{background:#101815;border:1px solid #24362f;border-radius:8px;color:#e8fff5;font-family:Consolas,Courier New,monospace;min-height:510px;outline:none;padding:14px;resize:vertical;width:100%}.notice{border-radius:6px;display:grid;grid-gap:4px;gap:4px;margin-top:12px;padding:10px 12px}.notice.error{background:#fff0ee;color:var(--danger)}.notice.warn{background:#fff7e6;color:var(--warning)}.field-list{display:grid;grid-gap:10px;gap:10px;max-height:610px;overflow:auto;padding-right:4px}.field-card{border:1px solid var(--line);border-radius:8px;padding:12px}.field-header{display:flex;justify-content:space-between;margin-bottom:10px}.field-header h3{font-size:15px}.field-header p{font-size:12px;margin-top:3px}.constraint-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}.constraint-grid label{display:grid;grid-gap:4px;gap:4px}.constraint-grid .wide{grid-column:1/-1}.union-editor{display:grid;grid-gap:10px;gap:10px}label span{color:var(--muted);font-size:12px}input,select{background:#ffffff;border:1px solid var(--line);border-radius:6px;color:var(--text);min-height:36px;padding:7px 9px;width:100%}input[type=checkbox]{height:20px;min-height:20px;width:20px}.results{margin:0 auto}.privacy{background:var(--surface);border:1px solid var(--line);border-radius:8px;color:var(--muted);display:grid;font-size:12px;grid-gap:5px;gap:5px;margin:18px auto 0;padding:12px 14px}.privacy strong{color:var(--text);font-size:13px}.debug-analytics{background:#101815;border:1px solid #24362f;border-radius:8px;color:#d6f7eb;font-size:12px;margin:12px auto 0;padding:10px 12px}.debug-analytics summary{cursor:pointer;font-weight:700}.debug-analytics pre{margin:10px 0 0;max-height:260px;overflow:auto;white-space:pre-wrap}.actions{display:flex;flex-wrap:wrap;gap:8px}.actions button{background:#24352f;padding:8px 12px}.actions button:hover{background:#17231f}.tabs{display:flex;gap:8px;margin-bottom:12px}.badge,.tabs span{border-radius:999px;font-size:12px;font-weight:700;padding:5px 9px}.tabs span{background:var(--surface-muted);color:var(--muted)}.table-wrap{overflow:auto}.result-toolbar{align-items:flex-end;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}.result-toolbar label{display:grid;grid-gap:4px;gap:4px;min-width:180px}.result-toolbar span{color:var(--muted);font-size:12px}.result-count{margin-left:auto;padding:9px 0}table{border-collapse:collapse;min-width:100%;table-layout:auto}td,th{border-bottom:1px solid var(--line);font-size:13px;max-width:260px;padding:10px;text-align:left;vertical-align:top;white-space:pre-wrap;word-break:break-word}th{background:var(--surface-muted);color:#314039;font-weight:700;position:-webkit-sticky;position:sticky;top:0}.case-reason{font-weight:600}.cell-value{background:transparent;color:var(--text);font-family:Consolas,Courier New,monospace;font-size:12px}.badge.normal{background:#e5f7ef;color:#087443}.badge.boundary{background:#e9f0ff;color:#284fa3}.badge.invalid{background:#fff0ee;color:var(--danger)}.badge.special{background:#fff7e6;color:var(--warning)}.empty{color:var(--muted);padding:26px 8px}@media (max-width:920px){main{padding:12px}.topbar,.workspace{grid-template-columns:1fr}.topbar{align-items:stretch;flex-direction:column}.topbar-actions{justify-content:stretch}.topbar-actions button{flex:1 1}.constraint-grid{grid-template-columns:1fr 1fr}.result-count{margin-left:0}textarea{min-height:360px}}@media (max-width:560px){.constraint-grid{grid-template-columns:1fr}.section-heading{align-items:stretch;flex-direction:column}}