.tool__app {   --accent:#0047AB; --ok:#1a7f37; --warn:#b3801a; --bad:#b3261e; --border:#ddd; --radius:8px;  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.tool__app .calc { display:grid; grid-template-columns:1fr; gap:24px; }
@media(min-width:860px) { .tool__app .calc { grid-template-columns:1fr 1.15fr; } }
.tool__app .panel { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.tool__app .panel h2 { font-size:16px; font-weight:800; margin:0 0 16px; text-transform:uppercase; letter-spacing:.5px; color:#444; }
.tool__app .grp { border:1px solid #eee; border-radius:8px; padding:14px; margin-bottom:14px; }
.tool__app .grp .gt { font-size:12px; font-weight:800; text-transform:uppercase; letter-spacing:.5px; margin-bottom:10px; }
.tool__app .grp.test .gt { color:var(--accent); }
.tool__app .grp.ctrl .gt { color:#666; }
.tool__app .field { margin-bottom:12px; }
.tool__app .field:last-child { margin-bottom:0; }
.tool__app .field label { display:block; font-size:12px; font-weight:700; color:#666; margin-bottom:5px; }
.tool__app .field input, .tool__app .field select { width:100%; padding:10px 11px; border:1px solid #ccc; border-radius:6px; font-size:14px; font-family:var(--mono); }
.tool__app .field input:focus, .tool__app .field select:focus { border-color:var(--accent); outline:none; box-shadow:0 0 0 3px rgba(0,71,171,.1); }
.tool__app .two { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.tool__app .res { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.tool__app .res-card { border:2px solid #000; border-radius:8px; padding:15px; }
.tool__app .res-card.primary { border-color:var(--accent); background:#f5f8ff; grid-column:1 / -1; }
.tool__app .res-card .lbl { font-size:11.5px; font-weight:700; text-transform:uppercase; color:#666; letter-spacing:.4px; }
.tool__app .res-card .val { font-size:24px; font-weight:800; color:var(--accent); margin-top:3px; line-height:1.1; }
.tool__app .res-card.primary .val { font-size:30px; }
.tool__app .res-card .sub { font-size:11.5px; color: #666; margin-top:4px; font-family:var(--mono); }
.tool__app .band { font-size:13px; font-weight:700; padding:3px 10px; border-radius:20px; display:inline-block; margin-top:8px; border:1px solid; }
.tool__app .steps { counter-reset:s; list-style:none; padding:0; }
.tool__app .steps li { position:relative; padding:4px 0 16px 44px; }
.tool__app .steps li::before { counter-increment:s; content:counter(s); position:absolute; left:0; top:2px; width:30px; height:30px; background:#000; color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:14px; }
.tool__app .deftable { width:100%; border-collapse:collapse; font-size:15px; margin:0 0 18px; }
.tool__app .deftable th, .tool__app .deftable td { border:1px solid #ddd; padding:9px 12px; text-align:left; vertical-align:top; }
.tool__app .deftable th { background:#f4f4f4; font-weight:700; }
.tool__app .callout { background:#f5f8ff; border:1px solid #cdd9f0; border-radius:8px; padding:16px 18px; margin:18px 0; font-size:15px; }