.fl-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.fl-unlock-cta{flex:none;white-space:nowrap}.fl-primer{margin-top:34px}.fl-primer-intro{margin:0 0 12px;max-width:760px;line-height:1.55}.fl-primer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.fl-primer-grid .card-h{margin-bottom:8px}.fl-primer-grid .secondary{margin:0;line-height:1.55}.fl-primer-grid code{font-family:var(--font-mono);color:var(--navy)}.fl-primer-tip{margin:14px 0 0;max-width:900px;line-height:1.55}.fl-primer-tip code{font-family:var(--font-mono);color:var(--navy)}.fl-primer-subhead{margin:22px 0 0}.fl-primer-links{display:flex;gap:14px;margin:12px 0 0}.fl-primer-links a{color:var(--blue);font-weight:700;font-size:13px}.fl-preview-note{margin-top:10px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-weight:500;font-size:13px;line-height:1.4;color:var(--ink-2)}.fl-lock-legend,.fl-lock-chip{display:inline-flex;align-items:center;gap:5px;background:var(--sunken);border-radius:var(--r-chip)}.fl-lock-legend{padding:5px 9px;font-weight:600;font-size:11px;color:var(--ink-3)}.fl-lock-chip{padding:5px 9px}.fl-track{margin-bottom:28px}.fl-track-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.fl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.fl-card{display:flex;align-items:center;justify-content:space-between;padding:14px 16px}.fl-card:hover{background:var(--sunken)}.fl-card-name{font-weight:700;font-size:14px;color:var(--navy)}.fl-card-locked{background:#fbfcfe}.fl-card-locked .fl-card-name{color:var(--ink-3)}.fl-card-button{width:100%;text-align:left;font:inherit;cursor:pointer}.fl-preview-guide{max-width:760px}.fl-preview-guide .secondary{line-height:1.55}.fl-preview-practice{padding:0;margin:22px 0 8px}.fl-preview-paragraph{margin:0 0 10px}.fl-preview-checks{margin:0;padding-left:20px}.fl-preview-checks li+li{margin-top:4px}.fl-preview-related{margin:18px 0 0;font-size:13px;font-weight:700}.fl-preview-related a{color:var(--blue)}.fl-preview-loading{margin:18px 0;color:var(--ink-3);font-size:13px}.fl-syntax{margin-top:12px}.fl-syntax .eyebrow{display:block;margin-bottom:5px}.fl-syntax code,.fl-solution code{display:block;background:var(--sunken);border-radius:var(--r-chip);padding:8px 12px;font-size:13px;color:var(--navy);overflow-x:auto;white-space:nowrap}.ms-scroll{overflow-x:auto;border:1px solid var(--hairline);border-radius:var(--r-btn)}.ms-grid{border-collapse:collapse;table-layout:fixed;width:100%}.ms-grid th,.ms-grid td{border:1px solid var(--grid-line);height:28px;padding:0 8px;font-size:13px}.ms-corner{width:30px;background:var(--sunken)}.ms-colhead{background:var(--sunken);font:700 11px/1 var(--font-mono);color:var(--ink-2);text-align:center;min-width:74px}.ms-rowhead{width:30px;background:var(--sunken);font-size:11px;color:var(--ink-2);text-align:center}.ms-cell{color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ms-num{text-align:right;font-variant-numeric:tabular-nums}.ms-data{background:#fbfcfe}.ms-task{box-shadow:inset 0 0 0 2px var(--blue);font-weight:700}.fl-bar{margin-top:14px;display:flex;align-items:center;gap:10px}.wb-namebox{font-weight:700;font-size:12px;color:var(--navy);border:1px solid var(--hairline);border-radius:6px;padding:6px 8px;text-align:center}.wb-fx{font-style:italic;color:var(--ink-3);font-family:var(--font-serif)}.fl-input{flex:1;border:1px solid var(--border-strong);border-radius:var(--r-btn);padding:9px 12px;font-size:14px;color:var(--ink);background:var(--surface)}.fl-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.fl-result{margin-top:14px;border-radius:var(--r-btn);padding:12px 14px}.fl-ok{background:var(--mint-tint)}.fl-no{background:var(--rose-tint)}.fl-result-head{font-weight:700;font-size:var(--t-body);color:var(--ink)}.fl-ok .fl-result-head{color:var(--mint)}.fl-no .fl-result-head{color:var(--rose)}.fl-result-msg{font-weight:500;color:var(--ink-2);margin-left:6px}.fl-solution{margin-top:10px}.fl-solution .eyebrow{display:block;margin-bottom:5px}@media (max-width: 780px){.fl-primer-grid{grid-template-columns:1fr}.fl-grid{grid-template-columns:repeat(2,1fr)}}