.journey{max-width:800px;margin:0 auto;padding:2rem 1rem}.journey.in-preparation{opacity:.95}.subtitle{font-size:var(--type-body);color:var(--muted);margin-top:.5rem}.citation{font-style:italic;font-size:var(--type-fine);color:var(--muted)}.in-preparation-notice{border-left:3px solid var(--accent);background:var(--wash);padding:1rem 1.25rem;margin:1.5rem 0}.exercise-part{border:1px solid var(--line);background:var(--panel);padding:1.25rem;margin:1.5rem 0;border-radius:4px}.exercise-prompt{font-size:var(--type-small);margin-bottom:1rem}.exercise-form{display:flex;flex-direction:column;gap:.75rem}.exercise-error{color:var(--accent);font-size:var(--type-fine)}.exercise-verdict{margin-top:.75rem;padding:.75rem 1rem;background:var(--wash);border-radius:4px}.exercise-explanation{display:block;width:100%;max-width:100%;box-sizing:border-box;font:inherit;resize:vertical;margin-block:.5rem .25rem}.exercise-number{display:flex;gap:.5rem;align-items:stretch}.exercise-number input{flex:1 1 12ch;width:12ch;min-width:0}.exercise-number select{flex:0 0 auto;width:auto;min-height:44px;font:inherit}.exercise-worked{margin-top:1rem;border-top:1px dashed var(--line);padding-top:.75rem}