:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --border: #e2e0db;
  --text: #23211d;
  --text-muted: #6b6860;
  --accent: #2e7d4f;
  --accent-hover: #256641;
  --brand: #2e7d4f;
  --mark-bg: #f6d9a8;
  --toc-w: 240px;
}

* { box-sizing: border-box; }

html { overflow-x: hidden; }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Segoe UI", "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  background: var(--brand);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 20;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  color: #fff;
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
}
.menu-toggle:hover { border-color: #fff; background: rgba(255, 255, 255, 0.15); }

.icon { display: inline-block; vertical-align: -0.2em; flex-shrink: 0; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  white-space: nowrap;
}
.brand:hover { color: #fff; opacity: 0.85; text-decoration: none; }

.search-box {
  position: relative;
  flex: 1;
  max-width: 560px;
  margin-left: auto;
}

.search-box input {
  width: 100%;
  padding: 0.5rem 2.2rem 0.5rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
}
.search-box input:focus {
  outline: none;
  border-color: #fff;
  background: #fff;
}

.search-submit {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 0 6px 6px 0;
}
.search-submit:hover { color: var(--accent); }

.search-suggest {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  max-height: 70vh;
  overflow-y: auto;
  z-index: 30;
}

.suggest-item {
  display: block;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.suggest-item:hover { background: var(--bg); text-decoration: none; }
.suggest-title { display: block; font-weight: 600; font-size: 0.92rem; }
.suggest-meta { display: block; font-size: 0.75rem; color: var(--text-muted); margin: 0.1rem 0 0.2rem; }
.suggest-snippet { display: block; font-size: 0.82rem; color: var(--text-muted); }
.suggest-snippet mark { background: var(--mark-bg); padding: 0 0.15em; border-radius: 3px; color: var(--text); }
.suggest-more { display: block; padding: 0.55rem 0.9rem; font-size: 0.85rem; font-weight: 600; text-align: center; }
.suggest-empty { padding: 0.7rem 0.9rem; font-size: 0.85rem; color: var(--text-muted); }

/* ---------- App shell ---------- */

.app-shell {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
}

.sidebar {
  position: fixed;
  inset: 57px 0 0 0;
  width: 80vw;
  max-width: 320px;
  height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 1.2rem 0.75rem;
  border-right: 1px solid var(--border);
  background: var(--bg);
  transform: translateX(-100%);
  transition: transform 0.18s ease;
  z-index: 15;
}
body.sidebar-open .sidebar {
  transform: translateX(0);
  box-shadow: 8px 0 24px rgba(0, 0, 0, 0.15);
}

.sidebar-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 0 0.5rem 0.5rem;
}

.sidebar-list { list-style: none; margin: 0; padding: 0; }
.sidebar-list a {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.88rem;
}
.sidebar-list a:hover { background: var(--surface); text-decoration: none; }
.sidebar-list a.active { background: var(--accent); color: #fff; font-weight: 600; }
.sidebar-cat-count { color: var(--text-muted); font-size: 0.78rem; }
.sidebar-list a.active .sidebar-cat-count { color: #f0ded0; }

.content {
  min-width: 0;
  padding: 2rem 2rem 4rem;
}

/* ---------- Home ---------- */

.hero h1 { margin-bottom: 0.3rem; }
.hero p { color: var(--text-muted); max-width: 60ch; }

/* ---------- Search results ---------- */

.filter-panel {
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 0.2rem 1rem 1rem;
}
.filter-panel-static { padding-top: 1rem; }
.filter-panel-static h2 { margin: 0 0 0.7rem; font-size: 0.9rem; }
.filter-form { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: start; }
.filter-terms { display: flex; flex-wrap: wrap; gap: 1.5rem; flex-basis: 100%; }
.filter-group { display: flex; flex-direction: column; gap: 0.35rem; min-width: 140px; }
.filter-group-wide { flex: 1 1 260px; min-width: 220px; }
.filter-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); }

/* Term builder: chuoi cum-tu + toan tu va/hoac. Moi hang (Tu khoa / Loai tru) rong
   het dong, khong khung bao, khong nen, chi co ke chan (border-bottom). */
.term-group { display: flex; flex-direction: column; gap: 0.9rem; width: 100%; }
.term-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 2.2rem;
  padding: 0.3rem 0 0.4rem;
  border-bottom: 1px solid var(--border);
  cursor: text;
}
.term-row:focus-within { border-bottom-color: var(--accent); }
.term-row-label { font-size: 0.9rem; color: var(--text); white-space: nowrap; flex-shrink: 0; }
.term-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem 0.5rem; flex: 1 1 auto; align-self: stretch; }
.term-group input.term-input[type="text"] {
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
  padding: 0.2rem 0.15rem;
  min-width: 4ch;
  outline: none;
}
.term-input::placeholder { color: var(--text-muted); }
.term-op {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0.1rem 0.15rem;
  cursor: pointer;
  outline: none;
}
.term-chain-exclude .term-input { color: #a13c3c; }

.query-preview {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.query-preview strong { color: var(--text); font-weight: 600; }

.filter-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 160px;
  overflow-y: auto;
  padding-right: 0.5rem;
  font-size: 0.85rem;
}
.filter-checkboxes label { display: flex; align-items: center; gap: 0.4rem; cursor: pointer; }

/* Select2 (danh muc) - can chinh cho khop mau chu/vien voi phan con lai cua form */
.select2-container--default .select2-selection--multiple {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  min-height: 34px;
}
.select2-container--default.select2-container--focus .select2-selection--multiple,
.select2-container--default.select2-container--open .select2-selection--multiple {
  border-color: var(--accent);
}
.select2-container--default .select2-selection--multiple .select2-selection__choice {
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
  color: rgba(255, 255, 255, 0.8);
  margin-right: 0.3rem;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
  color: #fff;
}
.select2-container--default .select2-selection--multiple .select2-selection__rendered {
  font-size: 0.85rem;
}
.select2-dropdown {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}
.select2-container--default .select2-search--dropdown .select2-search__field {
  border-color: var(--border);
  background: var(--bg);
  color: var(--text);
}
.select2-container--default .select2-results__option--highlighted[aria-selected] {
  background: var(--accent);
  color: #fff;
}
.select2-container--default .select2-results__option[aria-selected="true"] {
  background: var(--surface);
  color: var(--text-muted);
}
.filter-group input[type="date"],
.filter-group input[type="text"] {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
}
.filter-actions { display: flex; align-items: center; gap: 0.9rem; align-self: end; }
.filter-actions button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.85rem;
}
.filter-actions a { font-size: 0.85rem; }

.search-syntax-hint {
  margin: 0.9rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.search-syntax-hint code {
  background: #f0ede6;
  padding: 0.05em 0.4em;
  border-radius: 4px;
  font-size: 0.85em;
}

.result-count { color: var(--text-muted); margin-top: -0.5rem; }

.result-list { list-style: none; padding: 0; }
.result-item { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.result-title { font-size: 1.05rem; font-weight: 600; }
.result-meta { display: block; font-size: 0.8rem; color: var(--text-muted); margin: 0.15rem 0 0.4rem; }
.result-snippet { margin: 0; color: var(--text); }
.result-snippet mark { background: var(--mark-bg); padding: 0 0.15em; border-radius: 3px; }

/* ---------- Category / doc list ---------- */

.breadcrumb { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.doc-count { color: var(--text-muted); margin-top: -0.6rem; }

.doc-list { list-style: none; padding: 0; }
.doc-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.doc-meta { font-size: 0.8rem; color: var(--text-muted); }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.2rem;
}
.page-numbers { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.page-link {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text);
  text-decoration: none;
}
.page-link:hover { border-color: var(--accent); }
.page-link.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.page-link.disabled {
  color: var(--text-muted);
  cursor: default;
  opacity: 0.5;
}
.pagination-compact {
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 0.25rem;
  overflow-x: auto;
}
.pagination-compact .page-numbers { flex-wrap: nowrap; gap: 0.2rem; }
.pagination-compact .page-link { padding: 0.3rem 0.5rem; font-size: 0.78rem; flex-shrink: 0; }
.pagination-compact .page-ellipsis { padding: 0.3rem 0.1rem; flex-shrink: 0; }

.page-ellipsis {
  display: inline-block;
  padding: 0.35rem 0.3rem;
  color: var(--text-muted);
}

[data-ajax-zone] { scroll-margin-top: 72px; }
[data-ajax-zone].zone-loading { opacity: 0.5; pointer-events: none; }

/* ---------- Document page ---------- */

.doc-layout {
  display: grid;
  grid-template-columns: var(--toc-w) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.doc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.doc-path { color: var(--text-muted); font-size: 0.85rem; margin-top: -0.5rem; }

.download-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.9rem 0 0.3rem;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  white-space: nowrap;
}
.download-btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.doc-body {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin-top: 1.4em; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 0; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 0.4em 0.6em; text-align: left; }
.markdown-body code { background: #f0ede6; padding: 0.1em 0.35em; border-radius: 4px; }
.markdown-body pre { background: #23211d; color: #f0ede6; padding: 1em; border-radius: 6px; overflow-x: auto; max-width: 100%; }
.markdown-body pre code { background: none; padding: 0; }
.markdown-body img, .markdown-body video, .markdown-body iframe, .markdown-body embed, .markdown-body object {
  max-width: 100%;
  height: auto;
}

/* Bang trong noi dung tai lieu: cuon ngang trong khung rieng, khong day rong ca trang */
.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin: 1em 0;
  -webkit-overflow-scrolling: touch;
}
.table-scroll table { margin: 0; }

.extracted-text pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Consolas", monospace;
  font-size: 0.9rem;
}
.extracted-note { color: var(--text-muted); font-size: 0.85rem; }

.doc-aside { position: sticky; top: 77px; display: flex; flex-direction: column; gap: 1.25rem; }

.toc-box, .related-box, .category-box {
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
}
.toc-title { font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 0.5rem; }

.category-box summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.category-box summary::-webkit-details-marker { display: none; }
.category-box summary::after {
  content: "+";
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
}
.category-box[open] summary { margin-bottom: 0.6rem; }
.category-box[open] summary::after { content: "\2212"; }
.category-box .sidebar-list { max-height: 320px; overflow-y: auto; }
.toc-box ul { list-style: none; padding-left: 0.9rem; margin: 0.2rem 0; }
.toc-box > ul { padding-left: 0; }
.toc-box a {
  display: block;
  color: var(--text-muted);
  padding: 0.15rem 0 0.15rem 0.6rem;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.toc-box a:hover { color: var(--accent); }
.toc-box a.active {
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
}
.related-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.45rem; }

.empty { color: var(--text-muted); }

.footer { text-align: center; padding: 1.5rem; font-size: 0.8rem; color: var(--text-muted); }
.footer-branches {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem 1.1rem;
  margin-bottom: 0.6rem;
}
.footer-meta { border-top: 1px solid var(--border); padding-top: 0.6rem; }

/* ---------- Member bar (cuoi trang, kieu Cho Tot) ---------- */

.member-bar {
  background: var(--brand);
  color: #fff;
}
.member-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.member-bar-name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.member-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.member-bar-upload {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: #fff;
  color: var(--accent);
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}
.member-bar-upload:hover { background: #fbeee0; text-decoration: none; color: var(--accent-hover); }
.member-bar-logout { margin: 0; }
.member-bar-logout button {
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  color: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
}
.member-bar-logout button:hover { background: rgba(255, 255, 255, 0.15); }

/* ---------- Upload / tao tai lieu ---------- */

.upload-error {
  margin: 0.5rem 0 1rem;
  padding: 0.6rem 0.9rem;
  background: #fbeaea;
  color: #a13a3a;
  border-radius: 6px;
  font-size: 0.9rem;
}
.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.upload-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}
.upload-card h2 { margin-top: 0; font-size: 1.05rem; }
.upload-hint { color: var(--text-muted); font-size: 0.85rem; }
.upload-form { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 1rem; }
.upload-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.upload-label input {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}
.upload-submit {
  align-self: start;
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}
.upload-submit:hover { background: var(--accent-hover); }

/* ---------- Access log ---------- */

.log-summary { color: var(--text-muted); font-size: 0.9rem; }

.log-filter {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin: 1rem 0 1.25rem;
  align-items: center;
  overflow-x: auto;
}
.log-filter input {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  background: var(--surface);
  color: var(--text);
  flex: 1 1 0;
  min-width: 120px;
}
.log-filter button {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.85rem;
  flex: none;
  white-space: nowrap;
}
.log-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
.log-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; background: var(--surface); }
.log-table th, .log-table td {
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.log-table th { color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.log-table .nowrap { white-space: nowrap; }
.log-table .path-cell { max-width: 260px; word-break: break-all; }
.log-table .ua-cell { max-width: 260px; word-break: break-all; color: var(--text-muted); font-size: 0.78rem; }
.log-table .status-ok { color: #2e7d32; font-weight: 600; }
.log-table .status-err { color: #c62828; font-weight: 600; }

/* ---------- Tro ly AI (sidebar phai) ---------- */

.assistant-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 1070;
}
.assistant-toggle:hover { background: var(--accent-hover); }

.assistant-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  max-width: 100vw;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.15);
  z-index: 1080;
  display: flex;
  flex-direction: column;
}
.assistant-panel[hidden] { display: none; }

.assistant-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  flex: none;
}
.assistant-panel-actions { display: flex; gap: 0.4rem; }
.assistant-icon-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  border-radius: 4px;
}
.assistant-icon-btn:hover { background: var(--bg); color: var(--text); }

.assistant-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.assistant-msg {
  max-width: 88%;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.assistant-msg-bot { align-self: flex-start; background: var(--bg); border: 1px solid var(--border); }
.assistant-msg-user { align-self: flex-end; background: var(--accent); color: #fff; }
.assistant-msg-error { align-self: flex-start; background: #fdecea; color: #c62828; border: 1px solid #f5c6c2; }
.assistant-msg-pending { align-self: flex-start; color: var(--text-muted); font-style: italic; }

.assistant-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  flex: none;
}
.assistant-input-row textarea {
  flex: 1;
  resize: none;
  max-height: 100px;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  background: var(--surface);
  color: var(--text);
}
.assistant-send-btn {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  width: 38px;
  flex: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.assistant-send-btn:hover { background: var(--accent-hover); }
.assistant-send-btn:disabled { opacity: 0.6; cursor: default; }

@media (max-width: 480px) {
  .assistant-panel { width: 100vw; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-aside { position: static; order: 2; }
  .doc-main { order: 1; }
}

@media (max-width: 760px) {
  html { font-size: 15px; }
  .content { padding: 1.25rem 1.1rem 3rem; }
  .member-bar-inner { padding: 0.75rem 1.1rem; }
  .doc-body { padding: 1rem; }
  .markdown-body th, .markdown-body td { padding: 0.35em 0.5em; font-size: 0.85rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a17;
    --surface: #262421;
    --border: #3a362f;
    --text: #ece8e0;
    --text-muted: #a39d90;
    --accent: #5fcf94;
    --accent-hover: #7fdcaa;
    --mark-bg: #6b4a1f;
  }
  .markdown-body code { background: #33302a; }
  .search-suggest { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); }
  .search-syntax-hint code { background: #33302a; }
  .assistant-msg-error { background: #3a1f1d; color: #ff8a80; border-color: #5c2d2a; }
}