.rule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 720px) {
  .rule-grid { grid-template-columns: 1fr; }
}

.rule-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  background: var(--surface2);
  font-size: 0.88rem;
}

.rule-card h3 {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.nav-row button {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.nav-row button.is-active {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 650;
}

.scenario-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  background: var(--surface2);
  margin-bottom: 0.65rem;
}

.scenario-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.scenario-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.diff-box,
.verdict-box,
.log-box,
.preview-box {
  font-family: var(--mono);
  font-size: 0.8rem;
  margin: 0;
  padding: 0.65rem 0.75rem;
  background: #1a222c;
  color: #e8eef4;
  border-radius: 8px;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  word-break: break-word;
}

.diff-box { min-height: 5rem; max-height: 9rem; overflow: auto; }
.verdict-box { min-height: 6rem; }
.log-box { min-height: 5.5rem; max-height: 9rem; overflow: auto; }
.preview-box { min-height: 4.5rem; margin-bottom: 0.65rem; }

.diff-box .add { color: #8fd4a8; }
.diff-box .path { color: #9ecbff; }

.verdict-box .ok { color: #8fd4a8; }
.verdict-box .warn { color: #f0c674; }
.verdict-box .err { color: #f5a8a8; }
.verdict-box .muted { color: #7a8a9a; }

.log-box .ok { color: #8fd4a8; }
.log-box .warn { color: #f0c674; }
.log-box .err { color: #f5a8a8; }
.log-box .muted { color: #7a8a9a; }

.form-grid {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.form-grid label {
  font-size: 0.85rem;
  color: var(--muted);
}

.form-grid input,
.form-grid textarea {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
}

.form-grid textarea {
  min-height: 6.5rem;
  resize: vertical;
  line-height: 1.4;
}

.char-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.char-meta.over { color: var(--err); }

.action-grid {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.action-grid button {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: left;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}

.action-grid button:hover { border-color: var(--accent); }

.score-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-bottom: 0.55rem;
}

.score-pill.pass { color: #047857; border-color: #047857; }
.score-pill.fail { color: var(--err); border-color: var(--err); }
.score-pill.idle { color: var(--muted); }

.cheat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.cheat-table th,
.cheat-table td {
  text-align: left;
  padding: 0.4rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.hint-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hint-list li { margin: 0.35rem 0; }

.status-row {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 0 0 0.55rem;
  color: var(--muted);
}

.status-row strong { color: var(--text); }

.example-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.example-row button {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
}

.example-row button:hover { border-color: var(--accent); }
.example-row button.bad { color: var(--err); }
.example-row button.good { color: #047857; }