/* ═══════════════════════════════════════════════════════
   PubMed Live Search — styles
   ═══════════════════════════════════════════════════════ */

.pm-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.pm-header {
  margin-bottom: 1.5rem;
}

.pm-header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #e6edf3;
}

.pm-header-sub {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: #8b949e;
}

/* ── Search bar ── */
.pm-search-bar {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.pm-search-row {
  display: flex;
  gap: 0.5rem;
}

.pm-search-input-wrap {
  position: relative;
  flex: 1;
}

.pm-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #484f58;
  pointer-events: none;
}

.pm-search-input {
  width: 100%;
  padding: 0.55rem 0.75rem 0.55rem 2.1rem;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #e6edf3;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s;
}

.pm-search-input:focus {
  border-color: #58a6ff;
}

.pm-search-input::placeholder {
  color: #484f58;
}

.pm-search-btn {
  padding: 0.55rem 1.1rem;
  background: #238636;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.pm-search-btn:hover {
  background: #2ea043;
}

/* ── Filters ── */
.pm-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.pm-filter-btn {
  padding: 0.3rem 0.75rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 20px;
  color: #8b949e;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.pm-filter-btn.pm-filter-active {
  background: rgba(88, 166, 255, 0.12);
  border-color: #58a6ff;
  color: #58a6ff;
}

.pm-filter-select {
  padding: 0.3rem 0.6rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #8b949e;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

.pm-filter-select:focus {
  border-color: #58a6ff;
  color: #e6edf3;
}

/* ── Quick searches ── */
.pm-quick-searches {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.pm-quick-label {
  font-size: 0.75rem;
  color: #484f58;
  margin-right: 0.25rem;
}

.pm-quick-btn {
  padding: 0.25rem 0.65rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 20px;
  color: #8b949e;
  font-size: 0.72rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.pm-quick-btn:hover {
  background: rgba(88, 166, 255, 0.08);
  border-color: #58a6ff;
  color: #58a6ff;
}

/* ── Results ── */
.pm-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.pm-count {
  font-size: 0.8rem;
  color: #8b949e;
}

.pm-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #8b949e;
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.pm-export-btn:hover {
  color: #e6edf3;
  border-color: #58a6ff;
}

.pm-article-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pm-article-card {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 8px;
  padding: 1rem;
  transition: border-color 0.15s;
}

.pm-article-card:hover {
  border-color: #30363d;
}

.pm-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.pm-journal {
  font-size: 0.75rem;
  color: #3fb950;
  font-weight: 600;
}

.pm-year,
.pm-pmid {
  font-size: 0.72rem;
  color: #484f58;
}

.pm-article-title {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #58a6ff;
  text-decoration: none;
  line-height: 1.45;
  margin-bottom: 0.3rem;
  transition: color 0.15s;
}

.pm-article-title:hover {
  color: #79c0ff;
  text-decoration: underline;
}

.pm-authors {
  font-size: 0.75rem;
  color: #8b949e;
  margin-bottom: 0.35rem;
}

.pm-abstract {
  font-size: 0.78rem;
  color: #8b949e;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.pm-article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.pm-action-link,
.pm-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.6rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 5px;
  font-size: 0.72rem;
  color: #8b949e;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.pm-action-link:hover,
.pm-action-btn:hover {
  color: #e6edf3;
  border-color: #58a6ff;
  background: rgba(88, 166, 255, 0.07);
}

/* ── Pagination ── */
.pm-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #21262d;
}

.pm-page-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.9rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #8b949e;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s, border-color 0.15s;
}

.pm-page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pm-page-btn:not(:disabled):hover {
  color: #e6edf3;
  border-color: #58a6ff;
}

.pm-page-info {
  font-size: 0.8rem;
  color: #8b949e;
}

/* ── States ── */
.pm-loading,
.pm-empty,
.pm-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem 1rem;
  color: #484f58;
  font-size: 0.85rem;
  text-align: center;
}

.pm-error {
  flex-direction: row;
  color: #ff6b6b;
  font-size: 0.82rem;
}

.pm-spinner {
  width: 22px;
  height: 22px;
  border: 2px solid #30363d;
  border-top-color: #58a6ff;
  border-radius: 50%;
  animation: pm-spin 0.7s linear infinite;
}

@keyframes pm-spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .pm-search-row {
    flex-direction: column;
  }

  .pm-search-btn {
    width: 100%;
  }

  .pm-article-title {
    font-size: 0.82rem;
  }
}