/**
 * Scolta — Base search UI styles.
 *
 * All class names prefixed with "scolta-" to avoid conflicts with
 * host page styles. Colors are neutral (no site-specific branding).
 *
 * Platform adapters can override any of these in their own stylesheets.
 * CSS custom properties are provided for easy theming.
 */

:root {
  --scolta-primary: #1a3a5c;
  --scolta-primary-hover: #0f2a44;
  --scolta-accent: #4a7fb5;
  --scolta-bg: #f5f5f5;
  --scolta-card-bg: #fff;
  --scolta-text: #333;
  --scolta-text-muted: #666;
  --scolta-text-light: #888;
  --scolta-border: #ddd;
  --scolta-highlight: #fff3cd;
  --scolta-summary-bg-start: #f0f7ff;
  --scolta-summary-bg-mid: #e8f4fe;
  --scolta-summary-border: #c4d9f2;
  --scolta-badge-bg: #e8f0fe;
}

/* Search box */
.scolta-search-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.scolta-search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}
.scolta-search-box input[type="text"] {
  width: 100%;
  font-size: 1.1rem;
  padding: 0.75rem 2.2rem 0.75rem 1rem;
  border: 2px solid var(--scolta-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.scolta-search-box input[type="text"]:focus {
  border-color: var(--scolta-primary);
}
.scolta-search-clear {
  position: absolute;
  right: 0.5rem;
  background: none;
  border: none;
  font-size: 1.3rem;
  color: #999;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  line-height: 1;
  border-radius: 50%;
  transition: color 0.15s, background 0.15s;
}
.scolta-search-clear:hover { color: var(--scolta-text); background: #eee; }
.scolta-search-btn {
  padding: 0.75rem 1.5rem;
  background: var(--scolta-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}
.scolta-search-btn:hover { background: var(--scolta-primary-hover); }

/* Layout */
.scolta-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.scolta-layout.has-filters {
  grid-template-columns: 220px minmax(0, 1fr);
}
@media (max-width: 700px) {
  .scolta-layout.has-filters { grid-template-columns: 1fr; }
}

/* Filters sidebar */
.scolta-filters { font-size: 0.9rem; }
.scolta-filters:empty { display: none; }
.scolta-filters h3 { margin-bottom: 0.75rem; color: var(--scolta-primary); font-size: 1rem; }
.scolta-filter-group { margin-bottom: 1rem; }
.scolta-filter-group:last-child { margin-bottom: 0; }
.scolta-filter-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0;
  cursor: pointer;
  font-size: 0.85rem;
}
.scolta-filter-item input { cursor: pointer; }
.scolta-filter-item.active { font-weight: 600; color: var(--scolta-primary); }
.scolta-filter-count { color: #999; font-size: 0.8rem; }

/* Results */
.scolta-results-header {
  color: var(--scolta-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.scolta-results-header span:first-child {
  min-width: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.scolta-result-card {
  background: var(--scolta-card-bg);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: box-shadow 0.2s;
}
.scolta-result-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.scolta-result-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--scolta-primary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.3rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.scolta-result-title:hover { text-decoration: underline; }
.scolta-result-meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}
.scolta-site-badge {
  display: inline-block;
  background: var(--scolta-badge-bg);
  color: var(--scolta-primary);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.scolta-result-date {
  font-size: 0.8rem;
  color: var(--scolta-text-light);
}
.scolta-result-url {
  font-size: 0.8rem;
  color: #0066cc;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
  max-width: 100%;
}
.scolta-result-url:hover { text-decoration: underline; }
.scolta-result-excerpt {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
  margin-top: 0.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.scolta-result-excerpt mark {
  background: var(--scolta-highlight);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}
.scolta-load-more {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  background: var(--scolta-card-bg);
  border: 2px solid var(--scolta-border);
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--scolta-primary);
}
.scolta-load-more:hover { border-color: var(--scolta-primary); }
.scolta-searching { opacity: 0.6; }
.scolta-no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--scolta-text-muted);
}

/* AI Summary panel */
.scolta-ai-summary {
  background: linear-gradient(135deg, var(--scolta-summary-bg-start) 0%, var(--scolta-summary-bg-mid) 50%, var(--scolta-summary-bg-start) 100%);
  border: 1px solid var(--scolta-summary-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--scolta-primary);
  position: relative;
  box-shadow: 0 1px 4px rgba(26, 58, 92, 0.06);
}
.scolta-ai-summary-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--scolta-accent);
  margin-bottom: 0.6rem;
}
.scolta-ai-summary-label svg { flex-shrink: 0; }
.scolta-ai-summary-text {
  color: var(--scolta-text);
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.scolta-ai-summary-text p { margin: 0 0 0.4rem 0; }
.scolta-ai-summary-text p:last-child { margin-bottom: 0; }
.scolta-ai-summary-text strong { color: var(--scolta-primary); font-weight: 600; }
.scolta-ai-summary-text a {
  color: var(--scolta-primary);
  text-decoration: underline;
  text-decoration-color: var(--scolta-summary-border);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}
.scolta-ai-summary-text a:hover { text-decoration-color: var(--scolta-primary); }
.scolta-ai-summary-text ul {
  margin: 0.3rem 0 0.4rem 0;
  padding-left: 1.25rem;
  list-style: none;
}
.scolta-ai-summary-text li {
  position: relative;
  padding-left: 0.2rem;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
  line-height: 1.5;
}
.scolta-ai-summary-text li::before {
  content: "\203A";
  position: absolute;
  left: -1rem;
  color: var(--scolta-accent);
  font-weight: 700;
}
.scolta-ai-summary-text li:last-child { margin-bottom: 0; }
.scolta-ai-summary-disclaimer {
  margin-top: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(196, 217, 242, 0.5);
  font-size: 0.7rem;
  color: #8aa8c8;
  line-height: 1.4;
}

/* Follow-up conversation */
.scolta-ai-followup-thread {
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(196, 217, 242, 0.5);
}
.scolta-ai-followup-turn { margin-bottom: 0.6rem; }
.scolta-ai-followup-turn:last-child { margin-bottom: 0; }
.scolta-ai-followup-question {
  font-size: 0.85rem;
  color: var(--scolta-accent);
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.scolta-ai-followup-answer {
  font-size: 0.9rem;
  color: var(--scolta-text);
  line-height: 1.6;
}
.scolta-ai-followup-answer p { margin: 0 0 0.3rem 0; }
.scolta-ai-followup-answer p:last-child { margin-bottom: 0; }
.scolta-ai-followup-answer strong { color: var(--scolta-primary); font-weight: 600; }
.scolta-ai-followup-answer a { color: var(--scolta-primary); text-decoration: underline; text-decoration-color: var(--scolta-summary-border); text-underline-offset: 2px; }
.scolta-ai-followup-answer a:hover { text-decoration-color: var(--scolta-primary); }
.scolta-ai-followup-answer ul { margin: 0.2rem 0 0.3rem 0; padding-left: 1.25rem; list-style: none; }
.scolta-ai-followup-answer li { position: relative; padding-left: 0.2rem; margin-bottom: 0.2rem; font-size: 0.85rem; }
.scolta-ai-followup-answer li::before { content: "\203A"; position: absolute; left: -1rem; color: var(--scolta-accent); font-weight: 700; }
.scolta-ai-followup-input {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(196, 217, 242, 0.5);
}
.scolta-ai-followup-input input {
  flex: 1;
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--scolta-summary-border);
  border-radius: 6px;
  outline: none;
  background: white;
  color: var(--scolta-text);
}
.scolta-ai-followup-input input:focus { border-color: var(--scolta-accent); }
.scolta-ai-followup-input input::placeholder { color: #a0b8d0; }
.scolta-ai-followup-input button {
  padding: 0.5rem 1rem;
  background: var(--scolta-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.scolta-ai-followup-input button:hover { background: var(--scolta-primary-hover); }
.scolta-ai-followup-input button:disabled { background: #a0b8d0; cursor: default; }
.scolta-ai-followup-counter {
  font-size: 0.7rem;
  color: #8aa8c8;
  white-space: nowrap;
  align-self: center;
}
.scolta-ai-summary.loading .scolta-ai-summary-text { color: var(--scolta-text-light); }

/* Shimmer animation for loading state */
@keyframes scolta-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.scolta-ai-shimmer {
  display: inline-block;
  height: 0.9em;
  width: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #dce8f5 25%, #eaf1fa 50%, #dce8f5 75%);
  background-size: 200% 100%;
  animation: scolta-shimmer 1.5s infinite;
  margin-bottom: 0.4rem;
}
.scolta-ai-summary.error {
  background: #fff8f0;
  border-color: #f0d0a0;
  color: #886633;
  font-size: 0.85rem;
}

/* Spinner dot animation */
@keyframes scolta-pulse-dot {
  0%, 80%, 100% { opacity: 0.3; }
  40% { opacity: 1; }
}
.scolta-ai-dots span {
  animation: scolta-pulse-dot 1.4s infinite;
  font-size: 1.2em;
  letter-spacing: 0.15em;
}
.scolta-ai-dots span:nth-child(2) { animation-delay: 0.2s; }
.scolta-ai-dots span:nth-child(3) { animation-delay: 0.4s; }

/* Expanded terms */
.scolta-expanded-terms {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.scolta-expanded-term {
  background: var(--scolta-badge-bg);
  color: var(--scolta-primary);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--scolta-summary-border);
  transition: background 0.15s;
}
.scolta-expanded-term:hover { background: #d0e2f7; }

/* Sort indicator */
#scolta-sort-indicator { margin-bottom: 0.5rem; }
.scolta-sort-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--scolta-badge-bg);
  color: var(--scolta-primary);
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  border: 1px solid var(--scolta-summary-border);
}
.scolta-sort-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  margin-left: 0.1rem;
}
.scolta-sort-dismiss:hover { color: var(--scolta-primary); opacity: 0.7; }

/* Filter indicator (LLM-applied filter badges) */
#scolta-filter-indicator { margin-bottom: 0.5rem; }
.scolta-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--scolta-badge-bg);
  color: var(--scolta-primary);
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  border: 1px solid var(--scolta-summary-border);
  margin-right: 0.25rem;
}
.scolta-filter-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  margin-left: 0.1rem;
}
.scolta-filter-dismiss:hover { color: var(--scolta-primary); opacity: 0.7; }