/* Excel theme - ES5/ASCII safe */
:root{--green:#217346;--green2:#21a366;--border:#e5e7eb;--text:#0f172a}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
.hidden{display:none}
.hero{background:linear-gradient(90deg,var(--green),var(--green2));color:#fff;border-bottom:1px solid #166534}
.hero-inner{max-width:1100px;margin:0 auto;padding:18px 16px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.brand h1{margin:0 0 4px 0;font-size:24px}
.sub{opacity:.9}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{border:1px solid #d1d5db;background:#f8fafc;color:#0f172a;padding:10px 12px;border-radius:10px;cursor:pointer;font-weight:600}
.btn.primary{background:#1f9d55;color:#fff;border-color:#15803d}
.btn.outline{background:#fff}
.container{max-width:1100px;margin:16px auto;padding:0 16px;display:grid;gap:16px}
@media(min-width:1000px){.container{grid-template-columns:1fr 1fr}}
.panel{border:1px solid var(--border);border-radius:14px;padding:14px}
.panel h3{margin:0 0 8px 0;font-size:14px;color:#475569}
textarea{width:100%;height:300px;border:1px solid var(--border);border-radius:10px;padding:10px;background:#f8fafc;resize:vertical}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.switch{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border:1px dashed #cbd5e1;border-radius:10px;background:#f8fafc}
.hint,.stats{font-size:12px;color:#64748b}
.footer{border-top:1px solid var(--border);text-align:center;padding:12px;color:#64748b;font-size:12px}
.kbd{border:1px solid #c7d2fe;background:#eef2ff;border-radius:6px;padding:1px 6px}
.pill{padding:2px 8px;border-radius:999px;font-weight:700;font-size:11px;display:inline-block}
.ok{background:rgba(22,163,74,.12);color:#166534}
.warn{background:rgba(245,158,11,.12);color:#b45309}
.grid-3{display:grid;gap:12px}
@media(min-width:1000px){.grid-3{grid-template-columns:1fr 1fr 1fr}}
.bottom-actions{margin-top:8px}
.log{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:10px;max-height:180px;overflow:auto;white-space:pre-wrap}