.hint-tier h4{font-size:14px;line-height:1.5;margin:0 0 12px}.hint-coach-setup{margin:20px 0}.hint-coach-target{padding:16px 18px;background:#fff;border:1px solid #ddd8d0;border-left:3px solid #ef695c;border-radius:8px}.hint-coach-target>p{margin:7px 0 0;font-size:16px;line-height:1.7}.hint-coach-target .hint-coach-scope{font-size:12px;color:var(--muted)}.hint-coach-statement{font-size:14px;line-height:1.8}.hint-coach-givens{margin:20px 0}.hint-coach-givens dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0}.hint-coach-givens dl>div{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:7px;min-width:0}.hint-coach-givens dt{font-size:12px;font-weight:700;line-height:1.6}.hint-coach-givens dd{margin:5px 0 0;font-size:16px;line-height:1.6;overflow-wrap:anywhere}.hint-coach-givens dd span{color:var(--muted);font-size:12px}.hint-coach-equations{margin:22px 0}.hint-coach-equation-grid{display:grid;gap:10px}.hint-coach-equation{border:1px solid #a8cbd0;background:#fff;border-radius:8px;padding:15px 17px;min-width:0}.hint-coach-math{font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.8;letter-spacing:0;overflow-wrap:anywhere;color:#134c55}.hint-coach-equation p{font-size:13px;line-height:1.8;margin:7px 0 0;color:#465b5e}.hint-coach-variables{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 20px;padding:14px 0;margin:4px 0 0;border-bottom:1px solid var(--line)}.hint-coach-variables>div{display:flex;gap:10px;align-items:baseline;min-width:0}.hint-coach-variables dt{font-family:Georgia,'Times New Roman',serif;font-weight:700;font-size:14px;flex:0 0 auto;color:#134c55}.hint-coach-variables dd{margin:0;font-size:12px;line-height:1.8;overflow-wrap:anywhere}.hint-coach-variables dd span{color:var(--muted)}.hint-coach-notes{padding-left:20px;margin:14px 0;font-size:13px;line-height:1.8}.hint-coach-notes li{padding:3px 0}.hint-coach-plan{margin:22px 0}.hint-coach-method{font-size:14px;line-height:1.9}.hint-coach-plan ol{padding:0;list-style:none;counter-reset:coach;margin:15px 0 0;display:grid;gap:12px}.hint-coach-plan li{counter-increment:coach;position:relative;padding:3px 0 3px 37px;font-size:14px;line-height:1.8}.hint-coach-plan li:before{content:counter(coach);position:absolute;left:0;top:4px;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:#d7edf0;color:#134c55;font-size:12px;font-weight:700}.hint-coach-next{font-size:13px;line-height:1.8;padding:12px 0 0;margin:12px 0 0;border-top:1px solid var(--line)}.hint-coach-coverage{font-size:13px;line-height:1.8;background:#fff4df;border:1px solid #e8d0a4;border-radius:8px;padding:12px 15px;margin:16px 0}.hint-coach-setup>summary{font-size:13px;font-weight:700;cursor:pointer;padding:13px 15px;background:#f0f5f4;border:1px solid #c3d3d1;border-radius:8px}.hint-coach-setup[open]>summary{margin-bottom:14px}.hint-coach-explain{background:#eaf6f7;border-left:3px solid #22a7c9;padding:15px 17px;margin:22px 0 18px;border-radius:0 7px 7px 0}.hint-coach-explain p{font-size:14px;line-height:1.9;margin:7px 0 0}.hint-coach-explain .eyebrow{font-size:10px}.hint-coach-try{display:block;font-size:13px;font-weight:700;margin:20px 0 9px}.hint-coach-small-hint{margin:14px 0;padding:13px 15px;border:1px dashed #c9b6a9;border-radius:8px;background:#fff7ef}.hint-coach-small-hint summary{cursor:pointer;font-size:13px;font-weight:700;line-height:1.7}.hint-coach-small-hint p{font-size:13px;line-height:1.9;margin:12px 0 0}.hint-coach-links{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0}.hint-coach-links .btn{font-size:11px;text-decoration:none;white-space:normal;line-height:1.7}.hint-coach-setup>summary:focus-visible,.hint-coach-small-hint summary:focus-visible{outline:3px solid var(--aqua);outline-offset:3px}#hint-step-visual:empty{display:none}.hint-fill-sentence{white-space:pre-wrap}
@media(max-width:640px){.hint-coach-givens dl,.hint-coach-variables{grid-template-columns:1fr}.hint-coach-math{font-size:17px}.hint-coach-equation{padding:12px 13px}.hint-coach-target{padding:13px 14px}.hint-coach-links .btn{width:100%;justify-content:center}.hint-coach-variables>div{gap:12px}.hint-coach-try{margin-top:16px}}

.hint-reveal{margin-top:16px;padding:20px;border:1px solid #d6c7b9;border-radius:12px;background:#fffcf8}.hint-reveal h4{font-size:16px;margin:0 0 8px}.hint-revealed-solution{margin-top:18px;padding-top:18px;border-top:1px solid #d6c7b9}.hint-revealed-solution[hidden]{display:none!important}.hint-revealed-solution ol{padding-left:24px;line-height:1.85}.hint-revealed-solution li{padding:6px 0;overflow-wrap:anywhere}.hint-revealed-solution .hint-results{margin-top:16px}