* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
}

button,
textarea {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.svg-sprite {
  height: 0;
  overflow: hidden;
  position: absolute;
  width: 0;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.app-shell {
  direction: ltr;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
}

.sidebar {
  background:
    radial-gradient(circle at 100% 0, rgba(0, 120, 212, 0.18), transparent 34%),
    var(--color-navy-deep);
  color: #fff;
  direction: rtl;
  display: flex;
  flex-direction: column;
  grid-column: 2;
  grid-row: 1;
  min-height: 100vh;
  padding: 24px 18px 18px;
}

.brand-lockup {
  align-items: center;
  direction: ltr;
  display: flex;
  gap: 12px;
  margin: 0 5px 30px;
}

.brand-mark {
  align-items: center;
  background: transparent;
  border: 0;
  display: flex;
  flex: 0 0 52px;
  height: 52px;
  justify-content: center;
}

.brand-mark img {
  display: block;
  height: 51px;
  object-fit: contain;
  width: 51px;
}

.brand-copy {
  direction: ltr;
  min-width: 0;
  text-align: left;
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-family: var(--font-brand);
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.brand-copy small {
  color: #a9bad0;
  font-size: 0.67rem;
  margin-top: 3px;
}

.new-chat-button {
  align-items: center;
  background: var(--color-primary-blue);
  border: 0;
  border-radius: var(--radius-md);
  color: #fff;
  cursor: pointer;
  display: flex;
  font-weight: 700;
  gap: 10px;
  justify-content: center;
  margin-bottom: 26px;
  min-height: 45px;
  padding: 11px 16px;
  transition: background var(--transition-fast), transform var(--transition-fast);
  width: 100%;
}

.new-chat-button:hover {
  background: #1188de;
  transform: translateY(-1px);
}

.new-chat-button svg,
.nav-item svg,
.company-badge svg {
  height: 20px;
  width: 20px;
}

.primary-nav {
  display: grid;
  gap: 5px;
}

.nav-label {
  color: #7188a3;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 13px 8px;
}

.nav-item {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: #b6c4d5;
  cursor: pointer;
  display: flex;
  gap: 12px;
  min-height: 44px;
  padding: 10px 13px;
  text-align: right;
  transition: background var(--transition-fast), color var(--transition-fast);
  width: 100%;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.nav-item.active {
  background: rgba(0, 120, 212, 0.17);
  border-color: rgba(56, 169, 242, 0.14);
  color: #fff;
}

.nav-item.active svg {
  color: #49b6f4;
}

.sidebar-card {
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 11px;
  margin-top: auto;
  padding: 15px;
}

.sidebar-card-icon {
  align-items: center;
  background: rgba(143, 212, 61, 0.13);
  border-radius: 10px;
  color: var(--color-primary-green);
  display: flex;
  flex: 0 0 34px;
  height: 34px;
  justify-content: center;
}

.sidebar-card-icon svg {
  height: 18px;
  width: 18px;
}

.sidebar-card strong {
  font-size: var(--font-size-sm);
}

.sidebar-card p {
  color: #91a6be;
  font-size: 0.68rem;
  line-height: 1.65;
  margin: 4px 0 0;
}

.company-badge {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 10px;
  grid-template-columns: 38px 1fr 18px;
  margin-top: 16px;
  padding: 16px 5px 0;
}

.company-avatar {
  align-items: center;
  background: #fff;
  border-radius: 50%;
  color: var(--color-navy-deep);
  display: flex;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.company-avatar img {
  height: 31px;
  object-fit: contain;
  width: 31px;
}

.company-badge strong,
.company-badge small {
  display: block;
}

.company-badge strong {
  font-size: var(--font-size-sm);
}

.company-badge small {
  color: #8298b1;
  font-size: 0.65rem;
  margin-top: 2px;
}

.company-badge > svg {
  color: #7188a3;
  transform: rotate(180deg);
}

.main-content {
  direction: rtl;
  display: flex;
  flex-direction: column;
  grid-column: 1;
  grid-row: 1;
  height: 100vh;
  min-height: 100vh;
  min-width: 0;
  overflow: hidden;
}

.topbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 82px;
  padding: 14px clamp(24px, 3vw, 46px);
}

.page-title .eyebrow {
  color: var(--color-primary-blue);
  display: block;
  font-family: var(--font-brand);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.page-title h1 {
  color: var(--color-navy);
  font-size: 1.1rem;
  margin: 0;
}

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

.status-chip {
  align-items: center;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  display: inline-flex;
  direction: ltr;
  font-family: var(--font-brand);
  font-size: 0.7rem;
  font-weight: 600;
  gap: 7px;
  min-height: 32px;
  padding: 6px 11px;
  white-space: nowrap;
}

.status-dot {
  background: #94a3b8;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.13);
  height: 7px;
  width: 7px;
}

.brain-status {
  background: var(--color-primary-green-soft);
  border-color: #dcefc1;
  color: #517f1d;
}

.brain-status .status-dot,
.provider-status .status-dot,
.knowledge-status.available .status-dot {
  background: var(--color-primary-green);
  box-shadow: 0 0 0 3px rgba(143, 212, 61, 0.17);
}

.provider-status.error {
  background: #fff4f5;
  border-color: #ffdadd;
  color: var(--color-danger);
}

.provider-status.error .status-dot {
  background: var(--color-danger);
}

.chat-workspace {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.chat-workspace[hidden],
.knowledge-workspace[hidden],
.settings-workspace[hidden] {
  display: none;
}

.knowledge-workspace,
.settings-workspace {
  flex: 1;
  overflow-y: auto;
  padding: clamp(28px, 5vw, 64px);
}

.knowledge-workspace {
  background: var(--color-bg);
}

.knowledge-toolbar {
  align-items: end;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto 24px;
  max-width: 1180px;
}

.knowledge-toolbar .eyebrow,
.knowledge-viewer-header .eyebrow {
  color: var(--color-primary-blue);
  font-family: var(--font-brand);
  font-size: 0.72rem;
  font-weight: 800;
}

.knowledge-toolbar h2 {
  color: var(--color-navy);
  margin: 5px 0;
}

.knowledge-toolbar p {
  color: var(--color-text-muted);
  margin: 0;
}

.knowledge-search {
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  display: flex;
  flex: 0 1 480px;
  padding: 5px;
}

.knowledge-search:focus-within {
  border-color: #70b9e6;
  box-shadow: var(--shadow-focus);
}

.knowledge-search input {
  background: transparent;
  border: 0;
  color: var(--color-text);
  min-width: 0;
  outline: 0;
  padding: 9px 11px;
  width: 100%;
}

.knowledge-search button {
  background: var(--color-primary-blue);
  border: 0;
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  padding: 9px 18px;
}

.knowledge-layout {
  align-items: start;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
  margin: 0 auto;
  max-width: 1180px;
}

.knowledge-catalog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  grid-column: 2;
  max-height: calc(100vh - 250px);
  overflow: hidden;
  position: sticky;
  top: 0;
}

.knowledge-catalog-heading {
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  padding: 16px 18px;
}

.knowledge-catalog-heading strong {
  color: var(--color-navy);
  font-family: var(--font-brand);
  font-size: 0.8rem;
}

.knowledge-catalog-heading span {
  background: var(--color-primary-blue-soft);
  border-radius: 999px;
  color: var(--color-primary-blue);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 9px;
}

.knowledge-feedback {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  line-height: 1.7;
  margin: 0;
  padding: 20px;
}

.knowledge-list {
  display: grid;
  max-height: calc(100vh - 307px);
  overflow-y: auto;
  padding: 8px;
}

.knowledge-card {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  display: grid;
  gap: 4px;
  padding: 12px 13px;
  position: relative;
  text-align: right;
}

.knowledge-card:hover {
  background: var(--color-surface-subtle);
}

.knowledge-card.active {
  background: var(--color-primary-blue-soft);
  border-color: #cde7f8;
}

.knowledge-card strong {
  color: var(--color-navy);
  padding-inline-end: 34px;
}

.knowledge-card > span {
  color: var(--color-text-muted);
  font-size: 0.68rem;
}

.knowledge-card-score {
  background: var(--color-primary-green-soft);
  border-radius: 999px;
  color: #517f1d;
  font-family: var(--font-brand);
  font-size: 0.68rem;
  inset-inline-end: 10px;
  padding: 3px 7px;
  position: absolute;
  top: 10px;
}

.knowledge-viewer {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  grid-column: 1;
  min-height: 520px;
  overflow: hidden;
}

.knowledge-empty {
  align-items: center;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 520px;
  padding: 30px;
  text-align: center;
}

.knowledge-empty svg {
  color: var(--color-primary-blue);
  height: 40px;
  width: 40px;
}

.knowledge-empty h3 {
  color: var(--color-navy);
  margin: 15px 0 4px;
}

.knowledge-empty p {
  margin: 0;
}

.knowledge-viewer-header,
.knowledge-content,
.knowledge-images,
.knowledge-metadata {
  padding: 24px clamp(22px, 4vw, 38px);
}

.knowledge-viewer-header {
  background: linear-gradient(135deg, #f7fbff, #f8fff5);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.knowledge-viewer-header h3 {
  color: var(--color-navy);
  font-size: 1.55rem;
  margin: 6px 0 14px;
}

.knowledge-score {
  background: var(--color-primary-green-soft);
  border: 1px solid #dcefc1;
  border-radius: 999px;
  color: #517f1d;
  direction: ltr;
  font-family: var(--font-brand);
  font-size: 0.7rem;
  font-weight: 800;
  inset-inline-end: 28px;
  padding: 5px 10px;
  position: absolute;
  top: 24px;
}

.knowledge-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.knowledge-tags span {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 0.68rem;
  padding: 4px 9px;
}

.knowledge-matched {
  color: var(--color-primary-blue);
  direction: ltr;
  font-family: var(--font-brand);
  font-size: 0.7rem;
  margin: 12px 0 0;
  text-align: right;
}

.knowledge-content h4,
.knowledge-images h4,
.knowledge-metadata h4 {
  color: var(--color-navy);
  font-size: 0.9rem;
  margin: 0 0 14px;
}

.knowledge-content > div {
  color: var(--color-text);
  line-height: 2;
  white-space: pre-wrap;
}

.knowledge-images,
.knowledge-metadata {
  border-top: 1px solid var(--color-border);
}

.knowledge-images .message-images {
  margin-top: 0;
  max-width: none;
}

.knowledge-metadata dl {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.knowledge-metadata dl > div {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 12px 14px;
}

.knowledge-metadata dt {
  color: var(--color-text-muted);
  font-family: var(--font-brand);
  font-size: 0.67rem;
  font-weight: 700;
}

.knowledge-metadata dd {
  color: var(--color-navy);
  font-size: 0.78rem;
  margin: 5px 0 0;
  overflow-wrap: anywhere;
}

.settings-status-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin: 0 auto;
  max-width: 820px;
  padding: clamp(24px, 4vw, 40px);
}

.settings-status-heading .eyebrow {
  color: var(--color-primary-blue);
  font-family: var(--font-brand);
  font-size: 0.72rem;
  font-weight: 800;
}

.settings-status-heading h2 {
  color: var(--color-navy);
  margin: 7px 0;
}

.settings-status-heading p {
  color: var(--color-text-muted);
  margin: 0;
}

.provider-details {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 28px 0 0;
  overflow: hidden;
}

.provider-details > div {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 16px;
}

.provider-details dt {
  color: var(--color-text-muted);
  font-family: var(--font-brand);
  font-size: 0.72rem;
  font-weight: 700;
}

.provider-details dd {
  color: var(--color-navy);
  font-family: var(--font-brand);
  font-weight: 800;
  margin: 7px 0 0;
  overflow-wrap: anywhere;
}

.provider-details .provider-error-row {
  grid-column: 1 / -1;
}

.provider-error-row dd:not(:empty) {
  color: var(--color-danger);
}

.messages {
  display: flex;
  flex: 1;
  flex-direction: column;
  margin: 0 auto;
  max-width: 980px;
  min-height: 0;
  overflow-y: auto;
  padding: clamp(28px, 4vw, 52px) clamp(22px, 4vw, 44px) 30px;
  scrollbar-color: #cbd5e1 transparent;
  width: 100%;
}

.welcome-card {
  background:
    radial-gradient(circle at 0 100%, rgba(34, 197, 94, 0.075), transparent 30%),
    linear-gradient(135deg, #fff 0%, #f7fbff 100%);
  border: 1px solid #dce7f0;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  display: grid;
  flex-shrink: 0;
  gap: 18px;
  grid-template-columns: 48px 1fr;
  margin-bottom: 36px;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  position: relative;
}

.welcome-card::after {
  background: linear-gradient(180deg, var(--color-primary-blue), #18a9df, var(--color-primary-green));
  border-radius: 10px;
  content: "";
  height: 72px;
  inset-inline-start: -3px;
  position: absolute;
  top: 27px;
  width: 6px;
}

.welcome-icon {
  align-items: center;
  background: linear-gradient(145deg, var(--color-primary-blue-soft), #effcf4);
  border: 1px solid #d9eefa;
  border-radius: 15px;
  display: flex;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.welcome-icon img {
  height: 39px;
  object-fit: contain;
  width: 39px;
}

.welcome-kicker {
  color: var(--color-primary-blue);
  font-size: var(--font-size-xs);
  font-weight: 800;
  margin: 0 0 6px;
}

.welcome-copy h2 {
  color: var(--color-navy);
  font-size: clamp(1.35rem, 2.2vw, 1.82rem);
  line-height: 1.4;
  margin: 0 0 8px;
}

.welcome-copy > p:last-child {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 0;
}

.suggestions {
  display: grid;
  gap: 10px;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.suggestion {
  align-items: center;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  gap: 11px;
  justify-content: space-between;
  line-height: 1.55;
  min-height: 53px;
  padding: 10px 14px;
  text-align: right;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.suggestion:hover {
  border-color: #93c8e8;
  box-shadow: 0 7px 20px rgba(0, 120, 212, 0.07);
  transform: translateY(-1px);
}

.suggestion svg {
  color: var(--color-primary-blue);
  flex: 0 0 17px;
  height: 17px;
  transform: rotate(180deg);
  width: 17px;
}

.message {
  align-items: flex-start;
  display: flex;
  flex-shrink: 0;
  gap: 13px;
  margin-bottom: 30px;
  max-width: 850px;
  width: 100%;
}

.message.user {
  align-self: flex-start;
  flex-direction: row-reverse;
  max-width: 76%;
}

.avatar {
  align-items: center;
  border-radius: 12px;
  display: flex;
  flex: 0 0 38px;
  font-family: var(--font-brand);
  font-size: 0.78rem;
  font-weight: 800;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.assistant-avatar {
  background: #fff;
  border: 1px solid #dbe8ef;
  box-shadow: 0 4px 12px rgba(7, 28, 54, 0.08);
  overflow: hidden;
  padding: 4px;
}

.assistant-avatar img {
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.user .avatar {
  background: #e9eef3;
  color: var(--color-navy);
}

.message-body {
  min-width: 0;
}

.message-heading {
  align-items: center;
  display: flex;
  gap: 9px;
  margin: 0 2px 7px;
}

.message-heading strong {
  color: var(--color-navy);
  font-size: var(--font-size-sm);
}

.message-heading time {
  color: #94a3b8;
  font-size: 0.65rem;
}

.bubble {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-sm);
  line-height: 1.9;
  padding: 14px 17px;
  white-space: pre-wrap;
}

.bubble p {
  margin: 0;
}

.user .bubble {
  background: linear-gradient(135deg, #eaf5ff, #edf7ff);
  border-color: #d5eafa;
  border-radius: var(--radius-lg) 4px var(--radius-lg) var(--radius-lg);
}

.message.error .bubble {
  background: #fff6f6;
  border-color: #ffdadd;
  color: var(--color-danger);
}

.knowledge-fallback-badge {
  background: #e9f7f2;
  border: 1px solid #bde7d8;
  border-radius: 999px;
  color: #176c52;
  font-size: 0.67rem;
  font-weight: 750;
  padding: 3px 9px;
}

.fallback-details {
  color: #8795a8;
  font-size: 0.68rem;
  margin: 7px 3px 0;
}

.fallback-details summary {
  cursor: pointer;
  width: fit-content;
}

.fallback-details span {
  display: block;
  margin-top: 4px;
  max-width: 720px;
}

.response-meta {
  align-items: center;
  color: #8795a8;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.66rem;
  gap: 8px 16px;
  margin: 9px 3px 0;
}

.response-meta span {
  align-items: center;
  display: inline-flex;
  gap: 5px;
}

.response-meta svg {
  height: 13px;
  width: 13px;
}

.response-meta b {
  color: #58677b;
  font-weight: 700;
}

.message-images {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-top: 16px;
  max-width: 720px;
}

.message-sources {
  border-top: 1px solid var(--color-border);
  margin-top: 16px;
  padding-top: 13px;
}

.message-sources > strong {
  color: var(--color-navy);
  display: block;
  font-size: 0.72rem;
  margin-bottom: 8px;
}

.message-sources > div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.message-related {
  border-top: 1px solid var(--color-border);
  margin-top: 14px;
  padding-top: 12px;
}

.message-related > strong {
  color: var(--color-navy);
  display: block;
  font-size: 0.72rem;
  margin-bottom: 8px;
}

.message-related > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.related-suggestion {
  background: #f4f9fc;
  border: 1px solid #dceaf1;
  border-radius: 10px;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 11px;
  text-align: start;
}

.related-suggestion:hover {
  background: #eaf5fa;
  border-color: #bddce9;
}

.related-suggestion b {
  font-size: 0.72rem;
}

.related-suggestion small {
  color: #718096;
  font-size: 0.63rem;
}

.message-sources span {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  line-height: 1.4;
  padding: 7px 9px;
}

.message-sources b {
  color: var(--color-navy);
  font-size: 0.68rem;
}

.message-sources small {
  color: var(--color-text-muted);
  direction: ltr;
  font-size: 0.59rem;
}

.message-image {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: zoom-in;
  overflow: hidden;
  padding: 0;
  text-align: right;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.message-image:hover {
  border-color: #8fc9eb;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.message-image img {
  background: #eef3f7;
  display: block;
  height: 158px;
  object-fit: cover;
  width: 100%;
}

.message-image span {
  display: block;
  font-size: var(--font-size-xs);
  line-height: 1.55;
  padding: 10px 12px;
}

.composer {
  background: linear-gradient(180deg, rgba(246, 248, 250, 0.35), var(--color-bg) 28%);
  border-top: 1px solid rgba(226, 232, 240, 0.75);
  padding: 15px clamp(22px, 4vw, 44px) 20px;
}

.composer-inner {
  margin: 0 auto;
  max-width: 892px;
}

.chat-upload-previews:not(:empty) {
  display: flex;
  gap: .65rem;
  padding: .75rem .85rem 0;
  overflow-x: auto;
}

.conversation-history {
  align-self: stretch;
  direction: rtl;
  display: grid;
  flex-shrink: 0;
  gap: .3rem;
  grid-auto-rows: minmax(40px, auto);
  grid-template-columns: minmax(0, 1fr);
  margin: .55rem 0 1rem;
  max-height: 220px;
  min-width: 0;
  overflow-y: auto;
  padding-inline-end: 3px;
  scrollbar-color: rgba(255, 255, 255, .28) transparent;
  scrollbar-width: thin;
  width: 100%;
}

.conversation-history::-webkit-scrollbar {
  width: 6px;
}

.conversation-history::-webkit-scrollbar-track {
  background: transparent;
}

.conversation-history::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .28);
  border-radius: 999px;
}

.conversation-history-entry {
  align-items: center;
  border-radius: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  min-width: 0;
  position: relative;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.conversation-history-entry:hover,
.conversation-history-entry:focus-within {
  background: rgba(255, 255, 255, .08);
}

.conversation-history-entry[aria-busy="true"] {
  opacity: .5;
}

.conversation-history-item {
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  display: block;
  line-height: 1.45;
  min-height: 40px;
  min-width: 0;
  opacity: .82;
  overflow: hidden;
  padding: .55rem .65rem;
  text-align: right;
  text-overflow: ellipsis;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
  width: 100%;
}

.conversation-history-item:hover {
  opacity: 1;
}

.conversation-history-item:focus-visible {
  outline: 2px solid #49b6f4;
  outline-offset: -2px;
}

.conversation-history-options {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 7px;
  color: rgba(255, 255, 255, .8);
  cursor: pointer;
  display: flex;
  height: 32px;
  justify-content: center;
  opacity: 0;
  padding: 0;
  transition: background var(--transition-fast), color var(--transition-fast),
    opacity var(--transition-fast);
  width: 32px;
}

.conversation-history-options svg {
  fill: currentColor;
  height: 18px;
  width: 18px;
}

.conversation-history-entry:hover .conversation-history-options,
.conversation-history-entry:focus-within .conversation-history-options,
.conversation-history-options[aria-expanded="true"] {
  opacity: 1;
}

.conversation-history-options:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.conversation-history-options:focus-visible {
  opacity: 1;
  outline: 2px solid #49b6f4;
  outline-offset: -2px;
}

.conversation-history-menu {
  background: #102a43;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
  inset-inline-end: 4px;
  min-width: 130px;
  padding: 5px;
  position: absolute;
  top: calc(100% - 3px);
  z-index: 20;
}

.conversation-history-menu[hidden] {
  display: none;
}

.conversation-history-menu.open-upward {
  bottom: calc(100% - 3px);
  top: auto;
}

.conversation-history-delete {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 7px;
  color: #fca5a5;
  cursor: pointer;
  display: flex;
  font: inherit;
  gap: .55rem;
  padding: .55rem .65rem;
  text-align: right;
  width: 100%;
}

.conversation-history-delete:hover,
.conversation-history-delete:focus-visible {
  background: rgba(239, 68, 68, .16);
  color: #fecaca;
  outline: none;
}

.conversation-history-delete svg {
  fill: none;
  height: 18px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 18px;
}

.conversation-history-delete:disabled {
  cursor: wait;
}

@media (hover: none) {
  .conversation-history-options { opacity: 1; }
}

.chat-upload-preview {
  position: relative;
  flex: 0 0 92px;
}

.chat-upload-preview img {
  width: 92px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--color-border, #d9e1ea);
}

.chat-upload-preview button {
  position: absolute;
  inset-block-start: -7px;
  inset-inline-end: -7px;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: #102a43;
  color: white;
  cursor: pointer;
}

.attach-button {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: #486581;
  cursor: pointer;
}

.attach-button svg { width: 22px; height: 22px; fill: none; stroke: currentColor; }

.voice-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 11px;
  color: #486581;
  cursor: pointer;
  display: flex;
  flex: 0 0 42px;
  height: 42px;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  width: 42px;
}

.voice-button:hover { background: #edf7fc; color: var(--color-primary-blue); }
.voice-button svg { fill: none; height: 22px; stroke: currentColor; width: 22px; }
.voice-button.listening {
  animation: voice-pulse 1.5s ease-in-out infinite;
  background: #fff0f0;
  color: #c53030;
}
.voice-button.processing { color: #64748b; cursor: wait; }
.voice-button:disabled { cursor: not-allowed; opacity: .55; }

@keyframes voice-pulse {
  50% { box-shadow: 0 0 0 6px rgba(197, 48, 48, .12); }
}

.voice-feedback {
  align-items: center;
  color: #52667a;
  display: flex;
  font-size: .72rem;
  gap: 10px;
  padding: 7px 6px 0;
}

.voice-feedback[data-state="listening"] .voice-status { color: #b42323; font-weight: 800; }
.voice-feedback[data-state="completed"] .voice-status { color: #126954; }
.voice-feedback[data-state="failed"] .voice-status { color: #a53c3c; }
.voice-feedback button {
  background: transparent;
  border: 0;
  color: #52667a;
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
}

.voice-language {
  align-items: center;
  color: #718096;
  display: flex;
  font-size: .68rem;
  gap: 7px;
}

.voice-language select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 7px;
  color: var(--color-text);
  font: inherit;
  padding: 4px 7px;
}

.speech-controls {
  align-items: center;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
  padding-top: 11px;
}

.speech-controls button {
  align-items: center;
  background: #f6fbff;
  border: 1px solid #bfd3e5;
  border-radius: 999px;
  color: #164f77;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: .7rem;
  gap: 5px;
  padding: 6px 10px;
}

.speech-controls button:disabled { cursor: wait; opacity: .6; }
.speech-controls svg { fill: none; height: 15px; stroke: currentColor; width: 15px; }
.speech-status { color: #718096; font-size: .66rem; }

.message-teach-controls {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-top: .55rem;
  font-size: .78rem;
  color: #52667a;
}

.message-teach-controls button {
  border: 1px solid #bfd3e5;
  border-radius: 999px;
  background: #f6fbff;
  color: #164f77;
  padding: .35rem .7rem;
  cursor: pointer;
}

.message.selected-for-teaching .bubble {
  box-shadow: 0 0 0 2px #2b8ac6;
}

.teach-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}

.teach-field-grid > div { min-width: 0; }

.teach-dialog input,
.teach-dialog select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #c9d5df;
  border-radius: 9px;
  padding: .55rem .7rem;
  background: white;
}

.teach-image-choices {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: .6rem;
}

.teach-image-choice {
  display: grid;
  grid-template-columns: 24px 54px minmax(0, 1fr);
  align-items: center;
  gap: .5rem;
  border: 1px solid #d9e3ec;
  border-radius: 10px;
  padding: .45rem;
  cursor: pointer;
}

.teach-image-choice img {
  width: 54px;
  height: 42px;
  border-radius: 6px;
  object-fit: cover;
}

.teach-image-choice span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.composer form {
  align-items: flex-end;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.055);
  display: flex;
  gap: 10px;
  padding: 9px 10px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.composer form:focus-within {
  border-color: #70b9e6;
  box-shadow: var(--shadow-focus), 0 10px 30px rgba(15, 23, 42, 0.06);
}

.composer textarea {
  background: transparent;
  border: 0;
  color: var(--color-text);
  flex: 1;
  line-height: 1.7;
  max-height: 180px;
  min-height: 54px;
  outline: 0;
  padding: 9px 10px;
  resize: none;
}

.composer textarea::placeholder {
  color: #9aa7b7;
}

.send-button {
  align-items: center;
  background: var(--color-primary-blue);
  border: 0;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex: 0 0 45px;
  height: 45px;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.send-button:hover {
  background: var(--color-primary-blue-hover);
  transform: scale(1.03);
}

.send-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.send-button svg {
  height: 21px;
  transform: rotate(180deg);
  width: 21px;
}

.composer-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 8px 4px 0;
}

.teach-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-primary-blue);
  cursor: pointer;
  display: inline-flex;
  font-size: var(--font-size-xs);
  font-weight: 700;
  gap: 6px;
  padding: 5px 7px;
}

.teach-button:hover {
  background: var(--color-primary-blue-soft);
}

.teach-button svg {
  height: 15px;
  width: 15px;
}

.composer-hint {
  color: #94a3b8;
  font-size: 0.65rem;
  margin: 0;
}

kbd {
  background: #edf1f5;
  border: 1px solid #d9e0e7;
  border-radius: 4px;
  color: #66758a;
  font-family: var(--font-brand);
  font-size: 0.59rem;
  padding: 2px 5px;
}

.image-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 90px rgba(7, 28, 54, 0.3);
  max-height: 90vh;
  max-width: min(1000px, 92vw);
  padding: 48px 24px 22px;
  width: max-content;
}

.image-modal::backdrop {
  backdrop-filter: blur(4px);
  background: rgba(7, 28, 54, 0.72);
}

.image-modal h2 {
  color: var(--color-navy);
  font-size: 1rem;
  margin: 0 0 13px;
}

.image-modal img {
  border-radius: var(--radius-md);
  display: block;
  max-height: 67vh;
  max-width: 84vw;
  object-fit: contain;
}

.image-modal p {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  margin: 10px 0 0;
}

.modal-close {
  align-items: center;
  background: #edf2f6;
  border: 0;
  border-radius: 50%;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  height: 32px;
  justify-content: center;
  left: 14px;
  position: absolute;
  top: 12px;
  width: 32px;
}

.modal-close svg {
  height: 17px;
  width: 17px;
}

.sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

@media (max-width: 1050px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr) 92px;
  }

  .sidebar {
    align-items: center;
    padding-inline: 14px;
  }

  .brand-lockup {
    margin-inline: 0;
  }

  .brand-copy,
  .new-chat-button span,
  .nav-item span,
  .nav-label,
  .conversation-history,
  .sidebar-card,
  .company-badge > span:not(.company-avatar),
  .company-badge > svg {
    display: none;
  }

  .new-chat-button,
  .nav-item {
    justify-content: center;
    padding-inline: 0;
    width: 46px;
  }

  .primary-nav {
    justify-items: center;
    width: 100%;
  }

  .company-badge {
    display: block;
    margin-top: auto;
    padding-inline: 0;
  }

  .status-chip {
    font-size: 0.64rem;
  }
}

@media (max-width: 780px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    align-items: center;
    display: grid;
    gap: 10px;
    grid-template-columns: 46px 1fr auto;
    min-height: auto;
    padding: 11px 15px;
  }

  .brand-lockup,
  .new-chat-button {
    margin: 0;
  }

  .brand-mark {
    height: 42px;
    width: 42px;
  }

  .brand-copy,
  .new-chat-button span {
    display: none;
  }

  .new-chat-button {
    grid-column: 3;
    height: 42px;
    min-height: 42px;
    width: 42px;
  }

  .primary-nav {
    display: flex;
    gap: 4px;
    grid-column: 2;
    grid-row: 1;
    justify-content: center;
  }

  .nav-item {
    min-height: 42px;
    width: 42px;
  }

  .sidebar-card,
  .company-badge {
    display: none;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 13px 18px;
  }

  .main-content {
    height: calc(100vh - 64px);
    min-height: calc(100vh - 64px);
  }

  .status-group {
    justify-content: flex-start;
    width: 100%;
  }

  .messages {
    padding: 24px 16px;
  }

  .settings-workspace {
    padding: 20px 16px;
  }

  .knowledge-workspace {
    padding: 20px 16px;
  }

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

  .knowledge-search {
    flex-basis: auto;
  }

  .knowledge-layout {
    display: flex;
    flex-direction: column;
  }

  .knowledge-catalog {
    max-height: 300px;
    position: static;
    width: 100%;
  }

  .knowledge-list {
    max-height: 230px;
  }

  .knowledge-viewer {
    min-height: 420px;
    width: 100%;
  }

  .knowledge-metadata dl {
    grid-template-columns: 1fr;
  }

  .provider-details {
    grid-template-columns: 1fr;
  }

  .provider-details .provider-error-row {
    grid-column: auto;
  }

  .welcome-card {
    grid-template-columns: 42px 1fr;
    padding: 20px;
  }

  .welcome-icon {
    height: 42px;
    width: 42px;
  }

  .suggestions {
    grid-template-columns: 1fr;
  }

  .message.user {
    max-width: 90%;
  }

  .composer {
    padding: 12px 14px 15px;
  }

  .composer-hint {
    display: none;
  }

  .composer-footer {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

.teach-open-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 13px;
  color: #fff;
  border: 1px solid #167d68;
  border-radius: 999px;
  background: #167d68;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.teach-open-button svg,
.teach-close-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.teach-dialog {
  width: min(640px, calc(100% - 32px));
  padding: 0;
  color: var(--text-primary, #15263a);
  border: 1px solid var(--border-subtle, #dce5ee);
  border-radius: 22px;
  background: var(--surface-primary, #fff);
  box-shadow: 0 28px 90px rgba(7, 28, 54, .28);
}

.teach-dialog::backdrop {
  background: rgba(4, 17, 34, .68);
  backdrop-filter: blur(3px);
}

.teach-dialog form {
  display: grid;
  gap: 16px;
  padding: 26px;
}

.teach-dialog-header,
.teach-form-meta,
.teach-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.teach-dialog h2 {
  margin: 5px 0 0;
  font-size: 26px;
}

.teach-dialog p {
  margin: 0;
  color: var(--text-muted, #687b91);
  line-height: 1.7;
}

.teach-dialog label {
  font-weight: 800;
}

.teach-dialog textarea {
  width: 100%;
  min-height: 180px;
  padding: 14px;
  resize: vertical;
  color: inherit;
  border: 1px solid var(--border-subtle, #cad6e3);
  border-radius: 14px;
  font: inherit;
  line-height: 1.7;
}

.teach-dialog textarea:focus-visible {
  border-color: #167d68;
  outline: 3px solid rgba(22, 125, 104, .16);
}

.teach-close-button,
.teach-cancel-button,
.teach-submit-button {
  min-height: 42px;
  padding: 9px 15px;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.teach-close-button {
  display: grid;
  width: 42px;
  padding: 0;
  place-items: center;
  color: #52677d;
  background: #eef3f7;
}

.teach-cancel-button {
  color: #3c5066;
  background: #edf2f6;
}

.teach-submit-button {
  color: #fff;
  background: #167d68;
}

.teach-submit-button:disabled {
  cursor: wait;
  opacity: .58;
}

.teach-form-meta {
  color: var(--text-muted, #687b91);
  font-size: 12px;
}

.teach-status {
  min-height: 24px;
  padding: 0;
  font-weight: 700;
}

.teach-status.pending { color: #315f9d; }
.teach-status.success { color: #126954; }
.teach-status.error { color: #a53c3c; }

@media (max-width: 620px) {
  .teach-open-button span { display: none; }
  .teach-dialog form { padding: 20px; }
}
.brand-lockup,
.product-links a {
  text-decoration: none;
}

.product-links {
  display: grid;
  gap: 8px;
  margin-top: auto;
  padding: 18px 12px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.product-links a {
  color: var(--text-muted, #9fb2ca);
  font-size: 12px;
}

.product-links a:hover {
  color: var(--text-primary, #fff);
}

.simple-workspace {
  padding: clamp(30px, 6vw, 72px);
  overflow-y: auto;
}

.simple-workspace h2 {
  margin: 10px 0;
  font-size: clamp(28px, 4vw, 42px);
}

.simple-workspace > p {
  color: var(--text-muted, #7e91a9);
}

.simple-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.simple-cards article {
  padding: 22px;
  border: 1px solid var(--border-subtle, #dfe6ef);
  border-radius: 18px;
  background: var(--surface-primary, #fff);
}

.simple-cards h3 {
  margin: 0 0 8px;
}

.simple-cards p {
  margin: 0;
  color: var(--text-muted, #687b91);
  line-height: 1.7;
}

.answer-style-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.answer-style-options button,
.show-details-button {
  padding: 11px 16px;
  color: var(--text-primary, #15263a);
  border: 1px solid var(--border-subtle, #dce5ee);
  border-radius: 12px;
  background: var(--surface-primary, #fff);
  cursor: pointer;
}

.answer-style-options button.active,
.show-details-button:hover {
  color: #fff;
  border-color: #167d68;
  background: #167d68;
}

.show-details-button {
  margin-top: 14px;
  color: #126954;
  border-color: rgba(22, 125, 104, .25);
  background: rgba(22, 125, 104, .06);
}

.ai-answer-badge {
  padding: 4px 9px;
  color: #315f9d;
  border: 1px solid rgba(49, 95, 157, .2);
  border-radius: 999px;
  background: rgba(49, 95, 157, .08);
  font-size: 11px;
}

.auth-panel {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
}

.auth-panel a,
.auth-panel button {
  color: #9be2d4;
  border: 0;
  background: transparent;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

@media (max-width: 780px) {
  .simple-cards {
    grid-template-columns: 1fr;
  }
}
.teach-open-button[hidden],
[data-required-role][hidden] {
  display: none !important;
}