@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --accent-h: 38;
  --accent: oklch(0.58 0.12 var(--accent-h));
  --accent-hover: oklch(0.52 0.13 var(--accent-h));
  --accent-soft: oklch(0.96 0.028 var(--accent-h));
  --accent-softer: oklch(0.98 0.015 var(--accent-h));
  --accent-border: oklch(0.88 0.05 var(--accent-h));

  --bg: #f7f4ee;
  --bg-raised: #fffdf9;
  --bg-sunken: #f1ede6;
  --bg-hover: #f3efe8;
  --border: #e6e0d7;
  --border-strong: #d4cbbb;
  --text: #1f1d19;
  --text-secondary: #5a544b;
  --text-tertiary: #8b8479;
  --text-quaternary: #b2aba1;

  --green: oklch(0.56 0.11 158);
  --green-soft: oklch(0.96 0.028 158);
  --amber: oklch(0.68 0.12 78);
  --amber-soft: oklch(0.97 0.03 78);
  --red: oklch(0.58 0.17 24);
  --red-soft: oklch(0.96 0.034 24);
  --blue: oklch(0.57 0.11 240);
  --blue-soft: oklch(0.96 0.028 240);

  --radius: 6px;
  --radius-lg: 10px;
  --sidebar-w: 244px;
  --preview-w: 410px;

  --shadow-sm: 0 1px 2px rgba(31, 29, 25, 0.04);
  --shadow-md: 0 6px 18px rgba(31, 29, 25, 0.06), 0 1px 2px rgba(31, 29, 25, 0.04);
  --shadow-lg: 0 18px 44px rgba(31, 29, 25, 0.08), 0 2px 6px rgba(31, 29, 25, 0.04);
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  height: 100%;
  margin: 0;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(187, 116, 57, 0.08), transparent 18%),
    radial-gradient(circle at bottom right, rgba(37, 115, 93, 0.06), transparent 16%),
    linear-gradient(180deg, #faf8f4 0%, #f6f2eb 48%, #f2ede5 100%);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
  padding: 0;
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea {
  resize: vertical;
}

kbd,
.mono {
  font-family: "IBM Plex Mono", monospace;
}

kbd {
  font-size: 10.5px;
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--bg-raised);
  color: var(--text-secondary);
  line-height: 1;
}

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  width: 100vw;
}

.sidebar {
  background: rgba(252, 250, 246, 0.92);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(18px);
}

.sidebar-header {
  padding: 14px 14px 10px;
}

.workspace-select {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  min-width: 0;
  justify-content: flex-start;
}

.workspace-select:hover {
  background: var(--bg-hover);
}

.workspace-logo {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, #c9834f, #8f5730);
  color: #fff8f1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.workspace-copy {
  min-width: 0;
  flex: 1;
}

.workspace-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.workspace-plan {
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.sidebar-search {
  margin: 2px 10px 12px;
  position: relative;
}

.scope-search {
  margin-top: 0;
}

.sidebar-section-label {
  margin-bottom: 7px;
  padding: 0 2px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar-search input {
  width: 100%;
  height: 32px;
  padding: 0 34px 0 30px;
  font-size: 12.5px;
}

.sidebar-search .icon {
  position: absolute;
  left: 9px;
  top: 8px;
  color: var(--text-tertiary);
}

.sidebar-search kbd {
  position: absolute;
  right: 6px;
  top: 7px;
}

.project-picker {
  position: relative;
}

.project-picker-shell {
  position: relative;
}

.project-picker-shell input {
  width: 100%;
  height: 34px;
  padding: 0 58px 0 31px;
  font-size: 12.5px;
}

.project-picker-shell .icon {
  position: absolute;
  left: 9px;
  top: 9px;
  color: var(--text-tertiary);
}

.picker-pill {
  position: absolute;
  right: 6px;
  top: 6px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
}

.project-picker-menu {
  position: absolute;
  inset: calc(100% + 8px) 0 auto;
  z-index: 4;
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 253, 249, 0.98);
  box-shadow: var(--shadow-lg);
}

.project-option {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
}

.project-option:hover,
.project-option.active {
  background: var(--bg-hover);
}

.project-option strong {
  display: block;
  font-size: 12.5px;
}

.project-option-meta {
  margin-top: 1px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.project-option-count {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.project-option-empty {
  padding: 10px;
  color: var(--text-tertiary);
  font-size: 11.5px;
}

.sidebar-nav {
  padding: 0 8px 10px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-section {
  padding: 12px 6px 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar-section button {
  color: var(--text-tertiary);
  width: 20px;
  height: 20px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sidebar-section button:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 1px 0;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(128, 118, 104, 0.08);
}

.nav-icon {
  color: var(--text-tertiary);
}

.nav-item.active .nav-icon {
  color: var(--accent);
}

.nav-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.nav-dot {
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.collection-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--text-secondary);
  margin: 1px 0;
}

.collection-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.collection-item.selectable {
  width: 100%;
  text-align: left;
}

.collection-item.active {
  background: var(--bg-hover);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(128, 118, 104, 0.1);
}

.collection-item .c-swatch {
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: linear-gradient(135deg, rgba(186, 120, 60, 0.85), rgba(137, 84, 46, 0.85));
  flex-shrink: 0;
}

.collection-item .c-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-tertiary);
}

.provider-pill {
  min-width: 28px;
  height: 18px;
  padding: 0 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.provider-pill.github {
  background: #f0f1f4;
  border-color: #dde0e5;
  color: #404854;
}

.provider-pill.r2 {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.sidebar-empty {
  padding: 6px 8px;
  color: var(--text-tertiary);
  font-size: 11.5px;
}

.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.signal-row strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.sidebar-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 6px;
}

.sidebar-footline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-secondary);
}

.led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.led.ok {
  background: var(--green);
}

.led.warm {
  background: var(--amber);
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.84);
  backdrop-filter: blur(18px);
}

.topbar-left {
  min-width: 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.breadcrumb .crumb.current {
  color: var(--text);
  font-weight: 600;
}

.breadcrumb .sep,
.sep {
  color: var(--text-quaternary);
}

.topbar-title h1 {
  margin: 0 0 4px;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.topbar-title p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 780px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--text-secondary);
}

.admin-input {
  width: 220px;
  height: 30px;
  padding: 0 11px;
  font-size: 12px;
}

.filterbar {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.76);
  overflow-x: auto;
  scrollbar-width: none;
}

.filterbar::-webkit-scrollbar {
  display: none;
}

.scope-badge {
  display: grid;
  gap: 3px;
  min-width: 180px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.82);
}

.scope-badge-label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.scope-badge strong {
  font-size: 12.5px;
}

.inline-field {
  display: grid;
  gap: 4px;
  min-width: 140px;
}

.inline-field span {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.inline-field input,
.inline-field select {
  min-width: 130px;
  height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.filter-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  margin: 2px 2px 2px 4px;
  flex-shrink: 0;
}

.filter-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  font-size: 11.5px;
  color: var(--text);
  white-space: nowrap;
}

.chip-key {
  color: var(--text-tertiary);
  font-weight: 500;
}

.content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: transparent;
}

.banner {
  margin: 12px 18px 0;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--accent-border);
  background: var(--accent-soft);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.banner strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
}

.banner-warning {
  border-color: var(--amber);
  background: var(--amber-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn-primary {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg-raised);
}

.btn-primary:hover {
  background: #14120f;
  border-color: #14120f;
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fffaf3;
}

.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-accent-soft {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.btn-accent-soft:hover {
  background: var(--accent-softer);
  border-color: var(--accent-border);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

.btn-xs {
  height: 24px;
  padding: 0 8px;
  font-size: 11.5px;
}

.btn[disabled],
.search-mode-toggle button[disabled] {
  opacity: 0.52;
  cursor: default;
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 7px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-muted,
.badge-neutral {
  background: var(--bg-sunken);
  color: var(--text-secondary);
  border-color: var(--border);
}

.badge-green {
  background: var(--green-soft);
  color: var(--green);
  border-color: color-mix(in srgb, var(--green) 26%, white);
}

.badge-amber {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: color-mix(in srgb, var(--amber) 28%, white);
}

.badge-red {
  background: var(--red-soft);
  color: var(--red);
  border-color: color-mix(in srgb, var(--red) 28%, white);
}

.badge-blue {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: color-mix(in srgb, var(--blue) 28%, white);
}

.search-layout,
.chat-layout,
.doc-detail {
  display: grid;
  grid-template-columns: 1fr var(--preview-w);
  height: 100%;
  min-height: 0;
}

.search-main,
.library-main,
.doc-main,
.settings-stack {
  overflow-y: auto;
  min-height: 0;
}

.search-main {
  padding: 24px 30px 40px;
}

.search-input-wrap {
  position: relative;
  max-width: 920px;
  margin-bottom: 18px;
}

.search-input-wrap > .icon {
  position: absolute;
  left: 15px;
  top: 15px;
  color: var(--text-tertiary);
}

.search-input {
  width: 100%;
  height: 48px;
  padding: 0 168px 0 44px;
  font-size: 15px;
  border-radius: 12px;
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.search-mode-toggle {
  position: absolute;
  right: 8px;
  top: 8px;
  display: flex;
  gap: 3px;
  padding: 3px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-sunken);
}

.search-mode-toggle button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.search-mode-toggle button.active {
  background: var(--bg-raised);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.results-header {
  max-width: 920px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.results-count {
  font-size: 13px;
  color: var(--text-secondary);
}

.results-count strong {
  color: var(--text);
  font-weight: 600;
}

.results-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.scope-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-right: 4px;
  margin-right: 4px;
  border-right: 1px solid var(--border);
}

.result-card {
  max-width: 920px;
  margin-bottom: 10px;
  background: rgba(255, 253, 249, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
}

.result-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.result-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-md);
}

.result-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px 10px;
}

.result-icon {
  width: 34px;
  height: 40px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  font-weight: 700;
}

.result-icon.docs,
.result-icon.md,
.result-icon.txt {
  background: #f2f0eb;
  color: #61564a;
}

.result-icon.code,
.result-icon.ts,
.result-icon.py,
.result-icon.js {
  background: #24211d;
  color: #dfd6ca;
  border-color: #24211d;
}

.result-icon.pdf {
  background: #fdf1f1;
  color: #b64b4b;
  border-color: #f3d7d7;
}

.result-icon.doc,
.result-icon.docx {
  background: #eef4fd;
  color: #345f9f;
  border-color: #d7e3f5;
}

.result-icon.xls,
.result-icon.xlsx,
.result-icon.csv,
.result-icon.ods {
  background: #eff7ef;
  color: #2d7f49;
  border-color: #d3ead8;
}

.result-icon.html,
.result-icon.xml {
  background: #fdf4ea;
  color: #b97321;
  border-color: #ecd9be;
}

.result-title-block {
  flex: 1;
  min-width: 0;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 600;
}

.result-meta {
  display: flex;
  align-items: center;
  gap: 6px 10px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.result-score {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  flex-shrink: 0;
}

.result-score .label {
  color: var(--text-tertiary);
  margin-right: 4px;
}

.result-score.inline {
  padding: 3px 7px;
}

.result-snippets {
  border-top: 1px solid var(--border);
  padding: 6px 16px 10px;
}

.snippet-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
}

.snippet-row:last-child {
  border-bottom: 0;
}

.snippet-loc {
  min-width: 144px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 2px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.snippet-text {
  flex: 1;
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.snippet-text mark,
.chunk-snippet mark,
.part-item-desc mark {
  padding: 0 2px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--amber) 18%, white);
  color: var(--text);
}

.snippet-score {
  padding-top: 2px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.result-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  background: rgba(241, 237, 230, 0.62);
}

.tag-label {
  color: var(--text-tertiary);
  font-size: 11px;
}

.actions-right {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  font-size: 11px;
  color: var(--text-secondary);
}

.chunk-list {
  max-width: 920px;
  display: grid;
  gap: 10px;
}

.chunk-card {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  background: rgba(255, 253, 249, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.chunk-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.chunk-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.chunk-title {
  font-size: 13px;
  font-weight: 600;
}

.chunk-meta {
  font-size: 10.5px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.chunk-snippet {
  font-size: 12.5px;
  line-height: 1.58;
  color: var(--text-secondary);
}

.preview-panel,
.sources-panel,
.doc-side {
  border-left: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.9);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.preview-panel.empty,
.sources-panel .state-card {
  padding: 16px;
}

.preview-header,
.sources-header {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.preview-title-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.preview-title {
  font-size: 14px;
  font-weight: 600;
}

.preview-tabs {
  display: flex;
  gap: 0;
}

.preview-tab {
  padding: 7px 11px;
  font-size: 12px;
  color: var(--text-tertiary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.preview-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.preview-body,
.sources-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  padding: 16px;
}

.preview-section {
  margin-bottom: 18px;
}

.preview-section-title {
  margin-bottom: 8px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.preview-kv {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 7px 12px;
  font-size: 12px;
}

.preview-kv .k {
  color: var(--text-tertiary);
}

.preview-kv .v {
  color: var(--text);
  word-break: break-word;
}

.preview-paragraph {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.part-item {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  background: var(--bg-raised);
}

.part-item.match {
  background: var(--accent-softer);
  border-color: var(--accent-border);
}

.part-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
  font-size: 12px;
  font-weight: 500;
}

.part-score {
  margin-left: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.part-item-desc {
  font-size: 11.5px;
  color: var(--text-tertiary);
  line-height: 1.45;
}

.chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.full-width {
  width: calc(100% - 32px);
  margin: 0 16px 16px;
}

.chat-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.86);
}

.chat-title {
  font-size: 14px;
  font-weight: 600;
}

.editable {
  color: var(--text);
}

.chat-corpus-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--accent-border);
  background: var(--accent-softer);
  color: var(--accent);
  font-size: 11px;
  font-weight: 500;
}

.spacer,
.grow {
  flex: 1;
}

.chat-transcript {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  padding: 20px 0 120px;
}

.chat-turn {
  max-width: 820px;
  margin: 0 auto 24px;
  padding: 0 24px;
}

.chat-turn.user {
  display: flex;
  justify-content: flex-end;
}

.bubble {
  max-width: 76%;
  padding: 11px 14px;
  border-radius: 16px 16px 5px 16px;
  background: var(--accent-softer);
  border: 1px solid var(--accent-border);
  font-size: 13.5px;
  line-height: 1.55;
}

.answer-role {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 11.5px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.answer-block {
  max-width: 100%;
}

.avatar-ai {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #a86b3f, #774c2f);
  color: #fffaf4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  font-family: "IBM Plex Mono", monospace;
}

.latency {
  margin-left: auto;
  font-family: "IBM Plex Mono", monospace;
}

.answer-content {
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--text);
}

.answer-content pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
}

.composer-wrap {
  padding: 0 24px 20px;
  background: linear-gradient(to top, rgba(247, 244, 238, 0.96) 72%, transparent);
  position: sticky;
  bottom: 0;
}

.composer {
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.composer:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-md);
}

.composer-context {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px 10px 0;
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.composer-context-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  font-size: 11px;
  color: var(--text-secondary);
}

.composer-context-item.subtle {
  color: var(--text-tertiary);
}

.composer textarea {
  width: 100%;
  min-height: 58px;
  padding: 10px 14px 4px;
  border: 0;
  background: transparent;
}

.composer-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px 8px;
}

.toggle-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

.toggle-pill:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.toggle-pill.on {
  background: var(--accent-softer);
  border-color: var(--accent-border);
  color: var(--accent);
}

.sources-header .h {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 3px;
}

.sources-header .sub {
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.sources-count {
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
}

.source-card {
  width: 100%;
  text-align: left;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-raised);
  margin-bottom: 6px;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.source-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.source-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.source-card-title {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12.5px;
  font-weight: 500;
}

.source-card-score {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.source-card-section {
  margin-bottom: 6px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.source-card-footer {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.library-main,
.settings-stack {
  height: 100%;
  padding: 20px 28px 40px;
}

.library-head {
  margin-bottom: 14px;
}

.read-only-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-secondary);
  font-size: 11.5px;
  white-space: nowrap;
}

.library-finder {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

.library-search {
  position: relative;
  max-width: 760px;
}

.library-search-shell {
  position: relative;
}

.library-search-shell .icon {
  position: absolute;
  left: 13px;
  top: 13px;
  color: var(--text-tertiary);
}

.library-search-shell input {
  width: 100%;
  height: 42px;
  padding: 0 14px 0 40px;
  border-radius: 12px;
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
}

.library-suggestion-menu {
  position: absolute;
  inset: calc(100% + 8px) 0 auto;
  z-index: 5;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 253, 249, 0.98);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.library-suggestion,
.library-suggestion-empty {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
}

.library-suggestion {
  text-align: left;
}

.library-suggestion:hover {
  background: var(--bg-hover);
}

.library-suggestion-copy {
  min-width: 0;
  display: grid;
}

.library-suggestion-copy strong {
  font-size: 12.5px;
}

.library-suggestion-copy span {
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.library-suggestion-type {
  margin-left: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.library-suggestion-empty {
  color: var(--text-tertiary);
  font-size: 11.5px;
}

.library-type-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.upload-zone {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  margin-bottom: 18px;
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  background: rgba(255, 253, 249, 0.84);
}

.upload-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.upload-text {
  flex: 1;
}

.upload-text .h {
  margin-bottom: 3px;
  font-size: 13.5px;
  font-weight: 600;
}

.upload-text .s {
  font-size: 12px;
  color: var(--text-tertiary);
}

.library-upload-card,
.panel-card {
  background: rgba(255, 253, 249, 0.9);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.library-upload-card {
  margin-bottom: 18px;
}

.panel-card {
  margin-bottom: 14px;
}

.panel-card-head {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 253, 249, 0.84);
}

.panel-card-head .h {
  font-size: 12.5px;
  font-weight: 600;
}

.panel-card-body {
  padding: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.wide {
  grid-column: span 2;
}

.field > span {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  height: 38px;
  padding: 0 12px;
}

.field textarea {
  min-height: 120px;
  padding: 10px 12px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 4px;
  color: var(--text-secondary);
}

.checkbox-row input {
  width: auto;
  margin: 0;
}

.form-foot {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.inline-note {
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.inline-note.success {
  color: var(--green);
}

.inline-note.failed {
  color: var(--red);
}

.inline-note.loading {
  color: var(--accent);
}

.library-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.library-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.library-tab:hover {
  color: var(--text-secondary);
}

.library-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.tab-badge {
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10.5px;
  color: var(--text-secondary);
}

.library-tab.active .tab-badge {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg-raised);
}

.library-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: rgba(255, 253, 249, 0.9);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.library-table thead tr {
  background: var(--bg-sunken);
}

.library-table th {
  padding: 10px 12px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.library-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.library-table tbody tr:last-child td {
  border-bottom: 0;
}

.library-table tbody tr:hover {
  background: rgba(241, 237, 230, 0.48);
}

.library-table td.doc {
  display: flex;
  align-items: center;
  gap: 10px;
}

.library-table td.doc .result-icon {
  width: 26px;
  height: 30px;
  font-size: 8px;
}

.name {
  font-weight: 500;
}

.doc-link {
  text-align: left;
  min-width: 0;
}

.doc-link .name:hover {
  color: var(--accent);
}

.path,
.related-path {
  font-size: 10.5px;
  color: var(--text-tertiary);
}

.file-type-pill {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
  color: var(--text-secondary);
}

.tags-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.12s ease;
}

.library-table tbody tr:hover .row-actions {
  opacity: 1;
}

.doc-main {
  padding: 24px 30px 40px;
}

.doc-side {
  padding: 20px 18px;
  overflow-y: auto;
}

.doc-header {
  max-width: 920px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.doc-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.doc-back:hover {
  color: var(--text);
}

.doc-title-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.doc-title-row .result-icon {
  width: 44px;
  height: 52px;
  font-size: 11px;
}

.doc-title {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.doc-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-tertiary);
}

.doc-actions {
  display: flex;
  gap: 6px;
  margin-top: 12px;
}

.pipeline {
  max-width: 920px;
  display: flex;
  gap: 0;
  padding: 14px 16px;
  margin-bottom: 20px;
  background: rgba(255, 253, 249, 0.88);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.pipeline-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.pipeline-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 15px;
  width: 20px;
  height: 2px;
  background: var(--border);
}

.pipeline-step.done:not(:last-child)::after {
  background: var(--green);
}

.pipeline-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text-tertiary);
}

.pipeline-step.done .pipeline-dot {
  background: var(--green-soft);
  border-color: var(--green);
  color: var(--green);
}

.pipeline-info .t {
  font-size: 12.5px;
  font-weight: 500;
}

.pipeline-info .s {
  font-size: 10.5px;
  color: var(--text-tertiary);
  font-family: "IBM Plex Mono", monospace;
}

.parts-tree-item {
  display: grid;
  grid-template-columns: 20px 90px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 7px 4px;
  border-radius: 6px;
  font-size: 12px;
}

.parts-tree-item:hover {
  background: var(--bg-hover);
}

.part-chev,
.part-type-cell,
.part-tokens {
  color: var(--text-tertiary);
}

.part-type-cell,
.part-tokens {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px;
}

.part-name {
  font-weight: 500;
}

.doc-content-preview {
  max-width: 920px;
  padding: 0;
  background: rgba(255, 253, 249, 0.88);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
}

.doc-content-preview.binary,
.doc-content-preview > .state-card {
  margin: 20px;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.84);
  font-size: 11.5px;
  color: var(--text-secondary);
}

.viewer-note {
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-tertiary);
}

.doc-content-preview pre {
  margin: 0;
}

.doc-markdown,
.doc-code,
.doc-plain {
  padding: 20px 24px 24px;
}

.doc-plain {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text);
}

.doc-code {
  overflow-x: auto;
  background: #faf7f1;
}

.doc-code code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

.doc-markdown {
  color: var(--text);
}

.doc-markdown > *:first-child {
  margin-top: 0;
}

.doc-markdown > *:last-child {
  margin-bottom: 0;
}

.doc-markdown h1,
.doc-markdown h2,
.doc-markdown h3,
.doc-markdown h4 {
  margin: 1.4em 0 0.5em;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.doc-markdown p,
.doc-markdown li,
.doc-markdown blockquote {
  font-size: 13px;
  line-height: 1.72;
}

.doc-markdown code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
}

.doc-markdown p code,
.doc-markdown li code {
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
}

.doc-markdown pre {
  overflow-x: auto;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #faf7f1;
}

.doc-markdown pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

.doc-markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

.doc-markdown th,
.doc-markdown td {
  padding: 8px 10px;
  border: 1px solid var(--border);
  text-align: left;
}

.doc-markdown blockquote {
  margin: 16px 0;
  padding-left: 14px;
  border-left: 3px solid var(--accent-border);
  color: var(--text-secondary);
}

.source-stat-grid .stat-tile strong {
  font-size: 18px;
}

.related-item {
  width: 100%;
  text-align: left;
  padding: 10px 11px;
  margin-bottom: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}

.related-item:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

.related-title {
  font-size: 12.5px;
  font-weight: 500;
  margin-bottom: 2px;
}

.settings-stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.workspace-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.workspace-head h2 {
  margin: 0 0 6px;
  font-size: 21px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.workspace-head p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 820px;
}

.eyebrow {
  margin-bottom: 6px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.panel-note {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stat-tile {
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-sunken);
  display: grid;
  gap: 6px;
}

.stat-tile span {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-tile strong {
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.state-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 253, 249, 0.88);
  color: var(--text-secondary);
  max-width: 640px;
}

.state-card h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--text);
}

.state-card p {
  margin: 0;
  line-height: 1.58;
}

.state-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.state-card.danger {
  border-color: color-mix(in srgb, var(--red) 28%, white);
  background: var(--red-soft);
}

.chat-empty {
  padding: 0 24px;
}

.cursor-blink {
  display: inline-block;
  width: 7px;
  height: 15px;
  background: var(--text);
  vertical-align: -2px;
  margin-left: 1px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.truncate {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

:hover::-webkit-scrollbar-thumb,
*:hover > ::-webkit-scrollbar-thumb {
  background: rgba(139, 132, 121, 0.4);
  background-clip: padding-box;
}

@media (max-width: 1200px) {
  .search-layout,
  .chat-layout,
  .doc-detail {
    grid-template-columns: 1fr 360px;
  }

  :root {
    --preview-w: 360px;
  }
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .search-layout,
  .chat-layout,
  .doc-detail,
  .grid-two {
    grid-template-columns: 1fr;
  }

  .preview-panel,
  .sources-panel,
  .doc-side {
    display: none;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-right {
    justify-content: flex-start;
  }

  .admin-input {
    width: 100%;
  }

  .search-main,
  .library-main,
  .doc-main,
  .settings-stack {
    padding: 16px;
  }

  .form-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .field.wide {
    grid-column: span 1;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .filterbar {
    padding: 10px 12px;
  }

  .search-main,
  .library-main,
  .doc-main,
  .settings-stack {
    padding: 14px 12px 28px;
  }

  .chat-header,
  .chat-turn,
  .composer-wrap {
    padding-left: 12px;
    padding-right: 12px;
  }

  .bubble {
    max-width: 100%;
  }

  .upload-zone,
  .form-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .search-input {
    padding-right: 16px;
    height: 52px;
  }

  .search-mode-toggle {
    position: static;
    margin-top: 8px;
    width: fit-content;
  }
}