.exercise{border-top:1px solid var(--line);margin:0}.exercise-disclosure>summary{cursor:pointer;align-items:center;gap:.75rem;min-height:52px;padding-block:.6rem;font-size:1rem;font-weight:550;list-style:none;display:flex}.exercise-disclosure>summary::-webkit-details-marker{display:none}.exercise-disclosure>summary svg{flex-shrink:0}.exercise-disclosure[open]>summary svg{transform:rotate(90deg)}.exercise-body{padding-bottom:1rem}.exercise-disclosure>summary:hover{color:var(--accent)}.exercise fieldset{border:0;margin-block:1rem;padding:0}.exercise legend,.exercise-answer{font-weight:600}.exercise-option{align-items:baseline;gap:.6rem;min-height:44px;padding-block:.35rem;display:flex}.exercise-option input{flex-shrink:0}.exercise-answer{gap:.5rem;margin-block:1rem;display:grid}.exercise-answer input,.exercise-answer textarea{box-sizing:border-box;border:1px solid var(--line);background:var(--surface);width:100%;max-width:100%;color:var(--text);font:inherit;border-radius:6px;padding:.65rem;font-weight:400}.exercise-answer textarea{resize:vertical}.exercise-answer small{color:var(--muted);font-size:.8rem;font-weight:400}.exercise-actions{flex-wrap:wrap;gap:.6rem;display:flex}.exercise [hidden]{display:none}.exercise button{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--text);cursor:pointer;border-radius:6px;padding:.5rem .8rem;font-size:.85rem}.exercise :is([data-check],[data-code-check]){background:var(--accent);color:var(--page);border-color:var(--accent)}.exercise button:hover{filter:brightness(.95)}.exercise-feedback{min-height:1.6em;color:var(--muted);margin-block:.5rem .75rem;font:13px/1.5 Manrope Variable,sans-serif}.exercise .playground-toolbar button{min-height:36px;padding:6px 9px;font:13px/1.5 Manrope Variable,sans-serif}.exercise .playground-result [data-code-status]{margin:0;font:13px/1.5 Manrope Variable,sans-serif}.exercise .playground-result [data-code-output]{max-height:280px;font:12px/1.6 var(--code-font);border-radius:6px;margin:8px 0 0;padding:10px 12px;overflow:auto}.exercise .playground-input :is(ol,p){font-size:13px;line-height:1.5}.exercise .playground-input ol{padding-left:20px}.exercise .playground-input li+li{margin-top:12px}.exercise .playground-input :is(pre,code){font-size:12px}.exercise-feedback[data-result=correct]{color:var(--accent)}.exercise-feedback-row,.code-feedback-row{align-items:baseline;gap:6px;font:13px/1.5 Manrope Variable,sans-serif;display:flex}.exercise-feedback-row>svg,.code-feedback-row>svg{flex:none;align-self:center;display:none}.exercise-feedback-row:has([data-result=correct])>.feedback-correct,.exercise-feedback-row:has([data-result=self-correct])>.feedback-correct,.playground-result[data-result=correct] .feedback-correct{color:var(--accent);display:block}.exercise-feedback-row:has([data-result=attempted])>.feedback-attempted,.exercise-feedback-row:has([data-result=self-incorrect])>.feedback-attempted,.playground-result[data-result=attempted] .feedback-attempted{color:var(--text);display:block}.exercise .editor-workspace [data-code-output]{max-height:none}.exercise-feedback:empty{min-height:0;margin:0}.exercise-confetti{pointer-events:none;z-index:10;width:220px;height:160px;position:fixed}.exercise button:focus-visible,.exercise summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.exercise button:disabled{cursor:wait;opacity:.65}@media (prefers-reduced-motion:reduce){.exercise-confetti{display:none}}.exercise-help>details{border-block-start:1px solid var(--line);padding-block:.3rem}.exercise-help summary{cursor:pointer;align-items:center;gap:.5rem;min-height:44px;font-size:.9rem;list-style:none;display:flex}.exercise-help summary::-webkit-details-marker{display:none}.exercise-help details[open]>summary svg{transform:rotate(90deg)}.exercise-help summary svg{flex-shrink:0}.exercise-explanation{padding-block:.6rem;font-size:.85rem;display:inline-block}.exercise-checklist,.exercise-mistakes{margin-block:1rem}@media print{.exercise{break-inside:avoid;border:0;margin-block:.5rem;padding-block:.4rem;font-size:10pt}.exercise-option{min-height:0;padding-block:.15rem}.exercise-help,[data-exercise-controls],.exercise .playground{display:none}.exercise:after{content:"";border-bottom:1px solid #bbb;height:12mm;display:block}.exercise[data-answer-kind=self]:after{height:18mm}}
