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.exercise-message{color:var(--color-success)}.exercise-failed .exercise-message,.exercise-error .exercise-message{color:var(--color-danger)}.exercise-note{color:color-mix(in srgb, var(--color-text) 38%, transparent);margin-bottom:10px;font-size:12px}.reference-list{flex-direction:column;gap:10px;display:flex}.reference-module{border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-sm);padding:16px 18px}.reference-module h2{margin:0 0 4px;font-size:17px}.reference-links{flex-direction:column;gap:6px;margin-top:10px;display:flex}.reference-links a{color:var(--color-accent-300);font-size:13.5px;text-decoration:none}@media (max-width:1024px){.unit-grid,.module-grid{grid-template-columns:minmax(0,1fr);gap:28px}.unit-rail,.module-rail{order:-1;padding-top:0;position:static}.toc-links{flex-flow:wrap;gap:4px 14px}.exercise-body{grid-template-columns:minmax(0,1fr)}.unit-list{padding-left:24px}}@media (max-width:860px){.auth{grid-template-columns:minmax(0,1fr)}.auth-pitch-col{border-right:0;border-bottom:1px solid var(--color-divider)}.course-header{flex-direction:column;align-items:flex-start;gap:18px}.module-head{grid-template-columns:30px 1fr;padding-bottom:44px}.module-toggle-cell{inset:auto auto 10px 60px}.page-body,.page-body-wide,.page-body-module,.site-nav{padding-inline:20px}}