/* Chapter Practice Categories page — layout + card styles. Loaded as a companion
   to standards.css. Prefixed with sp-cat- to avoid collisions with the base SPA. */

.sp-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.sp-cat-grid--muted { opacity: 0.85; }

.sp-cat-empty {
  padding: 32px;
  text-align: center;
  color: var(--ink-muted);
  font-size: .9rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}

.sp-cat-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: box-shadow .15s, transform .15s;
}
.sp-cat-card.is-core { border-left-color: var(--gold-500); }
.sp-cat-card:hover  { box-shadow: var(--shadow); }

.sp-cat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.sp-cat-card-header h3 {
  margin: 4px 0 0 0;
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--navy-900);
}
.sp-cat-card-header .eyebrow {
  color: var(--ink-muted);
}

.sp-cat-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sp-cat-note {
  margin: 0;
  padding: 8px 10px;
  font-size: .82rem;
  color: var(--ink-soft);
  background: var(--surface-tint);
  border-radius: 8px;
  line-height: 1.45;
  font-style: italic;
}

.sp-cat-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
}
.sp-cat-progress-track {
  height: 10px;
  border-radius: 6px;
  background: var(--line);
  overflow: hidden;
}
.sp-cat-progress-fill {
  height: 100%;
  border-radius: 6px;
  transition: width .4s;
}
.sp-cat-progress-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
.sp-cat-score {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
}
.sp-cat-level {
  font-family: var(--font-mono);
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-muted);
}

.sp-cat-counts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .78rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.sp-cat-counts li strong,
.sp-cat-counts li span {
  font-family: var(--font-mono);
  font-weight: 600;
}

.sp-cat-details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.sp-cat-details summary {
  cursor: pointer;
  font-size: .78rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .06em;
  outline: none;
  user-select: none;
}
.sp-cat-details summary:hover { color: var(--ink); }
.sp-cat-details[open] summary { margin-bottom: 8px; color: var(--ink); }

.sp-cat-doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
}
.sp-cat-doc-list li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 8px;
  background: var(--surface-tint);
  border-radius: 6px;
  font-size: .8rem;
  color: var(--ink);
}
.sp-cat-doc-list a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color .15s;
}
.sp-cat-doc-list a:hover { text-decoration-color: var(--blue); }
.sp-cat-doc-owner {
  color: var(--ink-muted);
  font-size: .75rem;
  margin-left: auto;
}

.sp-cat-empty-note {
  margin: 0;
  font-size: .82rem;
  color: var(--ink-muted);
  font-style: italic;
}

.sp-cat-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.sp-cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .8rem;
  color: var(--blue);
  text-decoration: none;
}
.sp-cat-card-link i { width: 12px; height: 12px; }
.sp-cat-card-link:hover { text-decoration: underline; }

.sp-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--gold-500);
  border-radius: 6px;
  background: var(--gold-500);
  color: #fff;
  font-size: .82rem;
  cursor: pointer;
  transition: filter .15s, background .15s;
}
.sp-btn:hover:not(:disabled) { filter: brightness(1.05); }
.sp-btn:disabled { opacity: .55; cursor: not-allowed; }
.sp-btn--sm      { padding: 4px 10px; font-size: .76rem; }
.sp-btn--outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--line-strong);
}
.sp-btn--outline:hover:not(:disabled) { background: var(--surface-tint); filter: none; }

.sp-cat-lead-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 12px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  color: var(--ink-muted);
  font-size: .82rem;
}
.sp-cat-lead-hint i { width: 14px; height: 14px; color: var(--gold-600); }

.sp-error-block button {
  margin-top: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.sp-chapter-select {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  font-size: .85rem;
  color: var(--ink);
  outline: none;
}
.sp-chapter-select:focus {
  border-color: var(--navy-500);
  box-shadow: 0 0 0 2px rgba(44,74,130,.14);
}