.circuit-project .project-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-block: 16px; }
.circuit-project .project-fields input, .circuit-project .project-fields select { width: 100%; box-sizing: border-box; border-radius: 0; }
.circuit-project .project-reflection { display: grid; gap: 8px; max-width: 60rem; margin-block: 20px 8px; }
.circuit-project textarea { width: 100%; min-height: 8rem; padding: 12px; box-sizing: border-box; font: inherit; color: var(--text); background: var(--sunken); border: 1px solid var(--border-strong); border-radius: 0; }
.circuit-project pre { max-width: 100%; overflow-x: auto; }
.circuit-project .project-histogram { max-width: 720px; }
.circuit-project .btn { border-radius: 0; }
.circuit-project table { border-collapse: collapse; }
.circuit-project th, .circuit-project td { padding: 6px 12px; text-align: left; }

.circuit-project .project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 16px; margin-top: 20px; }
a.project-card, a.project-card:hover, a.project-card:focus { display: grid; grid-template-rows: auto 1fr auto; gap: 14px; min-width: 0; min-height: 210px; box-sizing: border-box; padding: 22px; border: 1px solid var(--border); border-radius: 0; background: var(--panel); color: var(--text); text-decoration: none; transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease; }
.project-card h2 { margin: 0; font-size: 19px; color: var(--green); }
.project-card p { line-height: 1.6; margin: 0; color: var(--muted); font-size: 14px; }
.project-card .project-passed { color: var(--green); }
@media (hover: hover) { a.project-card:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 12px 28px #0005; } }
a.project-card:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) { a.project-card, a.project-card:hover { transition: none; transform: none; } }
html[data-reduce-motion="1"] a.project-card { transition: none; transform: none; }

.project-card-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 13px; }
.project-access { color: var(--muted); }
.project-open { color: var(--green); font-weight: 600; }
#view-study.circuit-project { max-width: 1440px; }

.circuit-project .project-history { margin-block: 24px; padding: 16px; border: 1px solid var(--border); background: var(--panel); }
.circuit-project .project-history summary { cursor: pointer; font-weight: 600; }
.circuit-project .project-history-list { display: grid; gap: 24px; margin-top: 16px; }
.circuit-project .project-history-entry { min-width: 0; border-top: 1px solid var(--border); padding-top: 16px; }
.circuit-project .project-history-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 16px; }
.circuit-project .project-result-facts { display: grid; grid-template-columns: minmax(9rem, auto) 1fr; gap: 8px 16px; }
.circuit-project .project-result-facts dt { font-weight: 600; }
.circuit-project .project-result-facts dd { margin: 0; }
.circuit-project .project-explanation { white-space: pre-wrap; overflow-wrap: anywhere; max-width: 70ch; }
.circuit-project .project-submitted-circuits { display: grid; gap: 16px; margin-block: 16px; }
.circuit-project .project-submitted-circuits section { min-width: 0; padding: 16px; border: 1px solid var(--border); }
.circuit-project .project-operation-list li { margin-block: 8px; line-height: 1.6; }
.circuit-project .project-operation-text { display: inline-block; margin: 8px 16px 8px 0; overflow-wrap: anywhere; }
.circuit-project .project-circuit-facts, .circuit-project .project-case-limit { font-size: 14px; color: var(--muted); }
.circuit-project .project-history pre { font-size: 13px; }
@media (max-width: 520px) {
  .circuit-project .project-result-facts { grid-template-columns: 1fr; }
  .circuit-project .project-result-facts dd { margin-bottom: 8px; }
  .circuit-project .project-history-actions .btn { width: 100%; }
}