/* force-curve.css — Force-Time Curve Lab page-specific styles */
.force-curve .topnav a{min-height:44px;display:inline-flex;align-items:center;}
.force-curve .back-link{min-height:44px;display:inline-flex;align-items:center;gap:6px;color:var(--cy);text-decoration:none;font:600 .85rem var(--font-body);margin-bottom:20px;}
.force-curve .back-link:hover{text-decoration:underline;}
.force-curve .back-link:focus-visible{outline:2px solid var(--cy);outline-offset:3px;}
.force-curve .fc-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px;}
.force-curve .fc-field{display:flex;flex-direction:column;gap:6px;}
.force-curve .fc-field label{font:600 .72rem var(--font-mono);color:var(--dim);letter-spacing:.06em;text-transform:uppercase;}
.force-curve .fc-field input{padding:10px 12px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-sm);color:var(--ink);font:400 .9rem var(--font-mono);min-height:44px;}
.force-curve .fc-field input:focus-visible{outline:2px solid var(--cy);outline-offset:2px;}
.force-curve .race-btn{width:100%;padding:14px;border:none;border-radius:var(--r-sm);background:var(--cy);color:#fff;font:700 1rem var(--font-display);cursor:pointer;min-height:44px;transition:transform .1s;}
.force-curve .race-btn:active{transform:scale(.98);}
.force-curve .fc-canvas-wrap{margin-top:20px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:16px;overflow-x:auto;}
.force-curve #fc-canvas{display:block;width:100%;max-width:780px;height:auto;}
.force-curve .fc-readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-top:16px;}
.force-curve .fc-readout{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;display:flex;flex-direction:column;gap:4px;}
.force-curve .fc-r-label{font:600 .72rem var(--font-mono);color:var(--dim);letter-spacing:.06em;text-transform:uppercase;}
.force-curve .fc-r-value{font:700 1.6rem var(--font-display);color:var(--ink);line-height:1.1;}
.force-curve .fc-r-unit{font:400 .78rem var(--font-mono);color:var(--faint);}