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.35rem;font-size:11px}.practice-hints{color:var(--ga-fg2);flex-direction:column;gap:.35rem;margin:0;padding-left:1.15rem;font-size:13px;line-height:1.5;display:flex}.challenge-workbench{flex-direction:column;gap:.85rem;display:flex}.challenge-toolbar{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.challenge-title{font-size:14px;font-weight:600}.challenge-lang-badge,.challenge-done-badge{font-family:var(--ga-font-mono);letter-spacing:.07em;text-transform:uppercase;border:1px solid var(--ga-border);color:var(--ga-fg2);border-radius:4px;padding:2px 7px;font-size:9.5px}.challenge-done-badge{color:var(--ga-cat-green);border-color:color-mix(in srgb, var(--ga-cat-green) 45%, var(--ga-border))}.challenge-toolbar-actions{gap:.5rem;margin-left:auto;display:flex}.challenge-btn{font-family:var(--ga-font-mono);letter-spacing:.03em;border:1px solid var(--ga-border-strong);cursor:pointer;border-radius:7px;padding:.4rem .85rem;font-size:11.5px;transition:background .15s,border-color .15s,opacity .15s}.challenge-btn:disabled{opacity:.55;cursor:default}.challenge-btn-run{color:var(--ga-fg1);background:0 0}.challenge-btn-run:hover:not(:disabled){border-color:var(--ga-fg1)}.challenge-btn-submit{background:var(--ga-cat-green);border-color:var(--ga-cat-green);color:#06120c;font-weight:600}.challenge-btn-submit:hover:not(:disabled){filter:brightness(1.08)}.challenge-editor{border:1px solid var(--ga-border);border-radius:10px;overflow:hidden}.challenge-hints{border:1px solid var(--ga-border);border-radius:10px;padding:.7rem .9rem}.challenge-hints-head{font-family:var(--ga-font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--ga-fg3);justify-content:space-between;align-items:center;margin-bottom:.4rem;font-size:10.5px;display:flex}.challenge-hint-btn{font-family:var(--ga-font-mono);color:var(--ga-cat-blue);border:1px solid color-mix(in srgb, var(--ga-cat-blue) 45%, var(--ga-border));cursor:pointer;background:0 0;border-radius:5px;padding:.15rem .5rem;font-size:10.5px}.challenge-hint-btn:disabled{color:var(--ga-fg3);border-color:var(--ga-border);cursor:default}.challenge-hint{color:var(--ga-fg2);margin:.25rem 0;font-size:13px;line-height:1.5}.challenge-result{border:1px solid var(--ga-border);border-radius:10px;padding:.8rem .9rem}.challenge-result.is-pass{border-color:color-mix(in srgb, var(--ga-cat-green) 55%, var(--ga-border))}.challenge-result.is-fail{border-color:color-mix(in srgb, #c05252 55%, var(--ga-border))}.challenge-result-head{font-family:var(--ga-font-mono);color:var(--ga-fg2);align-items:center;gap:.7rem;font-size:11px;display:flex}.challenge-result-verdict{text-transform:uppercase;letter-spacing:.05em}.is-pass .challenge-result-verdict{color:var(--ga-cat-green)}.is-fail .challenge-result-verdict{color:#c05252}.challenge-result-score{margin-left:auto}.challenge-result-message{color:var(--ga-fg2);margin:.5rem 0 0;font-size:13px;line-height:1.45}.challenge-result-cases{flex-wrap:wrap;gap:.35rem;margin:.6rem 0 0;padding:0;list-style:none;display:flex}.challenge-result-cases li{font-family:var(--ga-font-mono);border:1px solid var(--ga-border);color:var(--ga-fg2);border-radius:5px;align-items:center;gap:.35rem;padding:.15rem .45rem;font-size:10.5px;display:inline-flex}.challenge-result-cases li.is-pass span{color:var(--ga-cat-green)}.challenge-result-cases li.is-fail span{color:#c05252}.challenge-explain{border:1px solid var(--ga-border);border-radius:10px;flex-direction:column;gap:.5rem;padding:.9rem 1rem;display:flex}.challenge-explain-label{font-size:13px;font-weight:600}.challenge-explain textarea{resize:vertical;border:1px solid var(--ga-border-strong);background:var(--ga-panel,transparent);width:100%;color:var(--ga-fg1);border-radius:8px;padding:.55rem .7rem;font-size:13px;line-height:1.5}.challenge-explain textarea:focus{border-color:var(--ga-cat-blue);outline:none}.challenge-explain-note{color:var(--ga-fg3);font-size:11.5px}.challenge-explain-note a{color:var(--ga-cat-blue)}.challenge-privacy{color:var(--ga-fg3);text-align:right;font-size:11.5px}