:root {
  --tf-accent: #2c3e6b;
  --tf-accent-hover: #212f52;
  --tf-accent-wash: #edf1f8;
  --tf-accent-soft: #c4d1e8;
  --pcsh-surface: var(--tf-surface, #ffffff);
  --pcsh-line: var(--tf-rule, #ddd8d0);
  --pcsh-text: var(--tf-ink, #12100e);
  --pcsh-muted: var(--tf-ink-soft, #5c574f);
  --pcsh-code-bg: #f8fafc;
  --pcsh-code-border: #e2e8f0;
}

.pcsh-main {
  max-width: 56rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.pcsh-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Control Panel */
.pcsh-panel {
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  padding: 1.25rem;
  box-shadow: none;
}

.pcsh-lang-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.pcsh-lang-tab {
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  padding: 0.4rem 0.8rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pcsh-text);
  cursor: pointer;
  transition: all 0.12s ease;
}

.pcsh-lang-tab:hover {
  background: var(--tf-accent-wash);
  border-color: var(--tf-accent);
}

.pcsh-lang-tab.active {
  background: var(--tf-accent);
  color: #ffffff;
  border-color: var(--tf-accent);
}

.pcsh-search-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pcsh-search-input {
  flex: 1;
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  padding: 0.55rem 0.75rem;
  font-size: 0.95rem;
  color: var(--pcsh-text);
  outline: none;
}

.pcsh-search-input:focus {
  border-color: var(--tf-accent);
  outline: 1px solid var(--tf-accent);
}

.pcsh-topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.pcsh-topic-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--pcsh-muted);
  margin-right: 0.25rem;
}

.pcsh-topic-pill {
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  color: var(--pcsh-text);
  cursor: pointer;
}

.pcsh-topic-pill.active {
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  border-color: var(--tf-accent);
  font-weight: 600;
}

/* Results / Snippets Grid */
.pcsh-snippets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
}

@media (max-width: 640px) {
  .pcsh-snippets-grid {
    grid-template-columns: 1fr;
  }
}

.pcsh-snippet-card {
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

.pcsh-snippet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.pcsh-snippet-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pcsh-text);
  margin: 0;
  font-family: var(--tf-font-display, Charter, Georgia, serif);
}

.pcsh-snippet-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  white-space: nowrap;
}

.pcsh-snippet-desc {
  font-size: 0.85rem;
  color: var(--pcsh-muted);
  line-height: 1.4;
  margin: 0;
}

.pcsh-code-box {
  background: var(--pcsh-code-bg);
  border: 1px solid var(--pcsh-code-border);
  border-radius: 2px;
  position: relative;
  overflow-x: auto;
}

.pcsh-code-box pre {
  margin: 0;
  padding: 0.75rem 1rem;
  font-family: var(--tf-font-mono, monospace);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--pcsh-text);
  white-space: pre;
}

.pcsh-copy-btn {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  background: var(--pcsh-surface);
  border: 1px solid var(--pcsh-line);
  border-radius: 2px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  color: var(--pcsh-text);
  opacity: 0.85;
  transition: opacity 0.15s ease;
}

.pcsh-copy-btn:hover {
  opacity: 1;
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  border-color: var(--tf-accent);
}

.pcsh-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--pcsh-muted);
  font-style: italic;
  font-size: 0.95rem;
}

/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --tf-accent: #6d86c3;
  --tf-accent-hover: var(--tf-ink);
  --tf-accent-wash: var(--tf-surface);
  --tf-accent-soft: #8aa3d1;
  --pcsh-code-bg: var(--tf-surface);
  --pcsh-code-border: var(--tf-surface);
}