:root {
  color-scheme: light;
  --canvas: #f3f5f3;
  --surface: #ffffff;
  --surface-muted: #eef2ef;
  --surface-strong: #e3e9e5;
  --ink: #17201f;
  --ink-soft: #34413f;
  --muted: #687571;
  --line: #d7dfda;
  --line-strong: #bdc9c2;
  --accent: #17665b;
  --accent-hover: #105148;
  --accent-soft: #dcece7;
  --rust: #985038;
  --rust-soft: #f2e4df;
  --ochre: #a87524;
  --ochre-soft: #f5ebd8;
  --blue: #3e6573;
  --blue-soft: #e1eaed;
  --danger: #aa3e34;
  --danger-soft: #f7e3e1;
  --shadow: 0 16px 44px rgba(18, 31, 28, 0.12);
  --sidebar-width: 286px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

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

button {
  border: 0;
}

a {
  color: inherit;
}

svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.8;
  flex: 0 0 auto;
}

.hidden {
  display: none !important;
}

.mobile-only {
  display: none !important;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.toast-region {
  position: fixed;
  z-index: 1000;
  top: 16px;
  right: 16px;
  width: min(360px, calc(100vw - 32px));
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.toast {
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.45;
  pointer-events: auto;
  animation: toast-in 160ms ease-out;
}

.toast.success {
  border-left: 4px solid var(--accent);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Authentication */

.auth-screen {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(420px, 46%) minmax(460px, 54%);
  background: var(--surface);
}

.auth-context {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  background: #203b36;
  color: #f4f7f5;
}

.strata {
  position: absolute;
  inset-inline: -12%;
  z-index: -1;
}

.strata-a {
  top: 0;
  height: 37%;
  background: #254d46;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 76% 80%, 46% 62%, 17% 86%, 0 72%);
}

.strata-b {
  top: 27%;
  height: 31%;
  background: #a05b40;
  clip-path: polygon(0 26%, 17% 3%, 45% 18%, 74% 0, 100% 25%, 100% 72%, 73% 55%, 45% 82%, 16% 61%, 0 80%);
}

.strata-c {
  top: 49%;
  height: 33%;
  background: #d0b57f;
  clip-path: polygon(0 12%, 18% 0, 46% 30%, 73% 2%, 100% 18%, 100% 76%, 78% 91%, 48% 62%, 20% 84%, 0 65%);
}

.strata-d {
  bottom: 0;
  height: 34%;
  background: #4b5960;
  clip-path: polygon(0 23%, 20% 3%, 48% 30%, 76% 0, 100% 24%, 100% 100%, 0 100%);
}

.auth-context::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(11, 28, 25, 0.18);
}

.auth-brand-lockup {
  position: absolute;
  top: 38px;
  left: 42px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 7px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  background: rgba(15, 42, 37, 0.38);
}

.brand-symbol.small {
  width: 38px;
  height: 38px;
  border-color: #8cb4aa;
  background: var(--accent);
  font-size: 18px;
}

.auth-brand-lockup strong,
.auth-brand-lockup span,
.auth-mobile-brand strong,
.auth-mobile-brand span,
.sidebar-brand strong,
.sidebar-brand span {
  display: block;
}

.auth-brand-lockup strong {
  font-size: 18px;
}

.auth-brand-lockup span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.auth-context-copy {
  position: absolute;
  left: 42px;
  bottom: 110px;
  max-width: 420px;
}

.auth-context-copy .auth-kicker {
  margin: 0 0 13px;
  color: #e9d5aa;
  font-size: 14px;
  font-weight: 700;
}

.auth-context-copy h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.08;
  font-weight: 760;
}

.auth-context-copy > p:last-child {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.core-index {
  position: absolute;
  right: 28px;
  bottom: 34px;
  display: flex;
  gap: 14px;
  color: rgba(255, 255, 255, 0.6);
  font: 11px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.auth-form-area {
  min-height: 100dvh;
  padding: 48px clamp(34px, 7vw, 112px);
  display: grid;
  place-items: center;
  background: #f8faf8;
}

.auth-mobile-brand {
  display: none;
}

.auth-panel {
  width: min(100%, 470px);
}

.auth-heading {
  margin-bottom: 26px;
}

.auth-heading h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.auth-heading > p:last-child {
  margin: 9px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.segmented-control {
  min-height: 42px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-muted);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
}

.segmented-control.compact {
  width: fit-content;
  min-height: 36px;
  grid-template-columns: repeat(3, auto);
}

.segmented-control.single-option {
  grid-template-columns: minmax(0, 1fr);
}

.segment {
  min-width: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  padding: 7px 14px;
  cursor: pointer;
  font-size: 14px;
}

.segment.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(20, 35, 31, 0.1);
  font-weight: 700;
}

.auth-form {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input,
select {
  min-height: 42px;
  padding: 9px 11px;
}

textarea {
  padding: 12px;
  resize: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #6aa397;
  box-shadow: 0 0 0 3px rgba(23, 102, 91, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: #96a19e;
}

.input-shell {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  display: flex;
  align-items: center;
  padding-left: 12px;
  color: var(--muted);
}

.input-shell:focus-within {
  border-color: #6aa397;
  box-shadow: 0 0 0 3px rgba(23, 102, 91, 0.1);
}

.input-shell input {
  border: 0;
  min-height: 42px;
  box-shadow: none;
  padding-left: 10px;
}

.email-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
}

.email-code-row .secondary-command {
  min-height: 44px;
}

.form-row {
  display: grid;
  gap: 12px;
}

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

.primary-command,
.secondary-command,
.icon-text-button {
  min-height: 38px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 13px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.primary-command {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.primary-command:hover,
.send-button:hover,
.new-chat-button:hover {
  background: var(--accent-hover);
}

.secondary-command,
.icon-text-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
}

.secondary-command:hover,
.icon-text-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-muted);
}

.full-width {
  width: 100%;
  min-height: 46px;
}

button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.form-error {
  min-height: 21px;
  margin: 13px 0 0;
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
}

.auth-footnote {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* Main application */

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: relative;
  z-index: 30;
  height: 100dvh;
  border-right: 1px solid #27403b;
  background: #172c28;
  color: #eef5f2;
  padding: 16px 13px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-brand {
  min-height: 48px;
  padding: 0 5px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.sidebar-brand strong {
  font-size: 16px;
}

.sidebar-brand span {
  margin-top: 2px;
  color: #91a9a3;
  font-size: 11px;
}

.new-chat-button {
  width: 100%;
  min-height: 42px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  cursor: pointer;
  font-weight: 700;
}

.primary-nav {
  display: grid;
  gap: 3px;
}

.nav-item {
  width: 100%;
  min-height: 39px;
  border-radius: 6px;
  background: transparent;
  color: #b8c9c4;
  padding: 8px 11px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-align: left;
}

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

.nav-item.active {
  background: #dcece7;
  color: #153c35;
  font-weight: 700;
}

.conversation-section {
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.section-label-row {
  min-height: 32px;
  padding: 0 7px;
  color: #8fa69f;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
}

.tiny-icon-button,
.icon-button {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  flex: 0 0 auto;
}

.tiny-icon-button {
  width: 28px;
  height: 28px;
}

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

.icon-button:hover,
.tiny-icon-button:hover {
  border-color: var(--line);
  background: var(--surface-muted);
}

.icon-button.copied,
.icon-text-button.copied {
  border-color: rgba(23, 102, 91, 0.35);
  background: var(--accent-soft);
  color: var(--accent);
}

.sidebar .tiny-icon-button:hover,
.sidebar .icon-button:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
}

.conversation-list {
  min-height: 0;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: #49625c transparent;
}

.sidebar-empty {
  margin: 10px 8px;
  color: #78918a;
  font-size: 12px;
}

.conversation-item {
  width: 100%;
  min-height: 39px;
  border-radius: 6px;
  background: transparent;
  color: #b9c9c5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px;
  align-items: center;
  cursor: pointer;
}

.conversation-item:hover,
.conversation-item.active {
  background: rgba(255, 255, 255, 0.065);
  color: #fff;
}

.conversation-open {
  min-width: 0;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 8px 9px;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  font-size: 13px;
}

.conversation-delete {
  opacity: 0;
  color: #9eb0ab;
}

.conversation-item:hover .conversation-delete,
.conversation-item.active .conversation-delete {
  opacity: 1;
}

.sidebar-account {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding-top: 10px;
}

.account-button {
  width: 100%;
  min-height: 48px;
  border-radius: 6px;
  background: transparent;
  color: #edf4f1;
  padding: 5px 7px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  text-align: left;
}

.account-button:hover {
  background: rgba(255, 255, 255, 0.06);
}

.account-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #d4b777;
  color: #25322f;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.account-copy {
  min-width: 0;
}

.account-copy strong,
.account-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-copy strong {
  font-size: 13px;
}

.account-copy small {
  margin-top: 2px;
  color: #8fa69f;
  font-size: 10px;
}

.account-menu {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 58px;
  border: 1px solid #405650;
  border-radius: 7px;
  background: #213a35;
  padding: 5px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.account-menu button {
  width: 100%;
  min-height: 36px;
  border-radius: 5px;
  background: transparent;
  color: #dce7e3;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  text-align: left;
}

.account-menu button:hover {
  background: rgba(255, 255, 255, 0.07);
}

.main-workspace {
  min-width: 0;
  height: 100dvh;
  overflow: hidden;
  background: var(--canvas);
}

.topbar {
  height: 72px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar-title-row,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar h2 {
  margin: 0;
  font-size: 18px;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.topbar .icon-button {
  border-color: var(--line);
  background: #fff;
  color: var(--ink-soft);
  text-decoration: none;
}

.quota-button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink-soft);
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
}

.quota-button:hover {
  background: var(--surface-muted);
}

.quota-button span {
  color: var(--muted);
  font-size: 12px;
}

.quota-button strong {
  color: var(--accent);
  font-size: 13px;
}

.workspace-view {
  display: none;
}

.workspace-view.active {
  display: flex;
}

#chatView {
  height: calc(100dvh - 72px);
  flex-direction: column;
}

.chat-scroll {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

.chat-empty-state {
  min-height: 100%;
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0 46px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.empty-mark {
  width: 54px;
  height: 54px;
  border: 1px solid #a9c9c1;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.empty-mark svg {
  width: 26px;
  height: 26px;
}

.chat-empty-state h1 {
  margin: 18px 0 0;
  font-size: 29px;
  line-height: 1.25;
}

.chat-empty-state > p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.suggestion-grid {
  width: 100%;
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.suggestion {
  min-height: 118px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 15px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20px;
  grid-template-rows: auto 1fr;
  gap: 8px;
  cursor: pointer;
  text-align: left;
}

.suggestion:hover {
  border-color: #8fb7ad;
  box-shadow: 0 7px 20px rgba(25, 60, 52, 0.07);
}

.suggestion span {
  grid-column: 1 / 2;
  color: var(--accent);
  font-size: 11px;
  font-weight: 750;
}

.suggestion strong {
  grid-column: 1 / 2;
  align-self: end;
  font-size: 14px;
  line-height: 1.45;
}

.suggestion svg {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  color: var(--muted);
}

.message-list {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 56px;
  display: grid;
  gap: 28px;
}

.message {
  min-width: 0;
  display: grid;
  gap: 9px;
}

.user-message {
  justify-items: end;
}

.user-bubble {
  max-width: min(78%, 720px);
  border-radius: 8px 8px 2px 8px;
  background: #dfe8e4;
  color: #1e302c;
  padding: 11px 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.assistant-message {
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
}

.assistant-avatar {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.assistant-body {
  min-width: 0;
  padding-top: 4px;
}

.answer-content {
  color: var(--ink-soft);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.answer-content p {
  margin: 0 0 12px;
}

.answer-content h2,
.answer-content h3 {
  margin: 20px 0 9px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.45;
}

.answer-content ul,
.answer-content ol {
  margin: 6px 0 14px;
  padding-left: 22px;
}

.answer-content li {
  margin: 5px 0;
}

.answer-content a,
.source-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.answer-content code {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-muted);
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

.markdown-table-wrap {
  width: 100%;
  margin: 10px 0 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.markdown-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: #fff;
  font-size: 12px;
  line-height: 1.55;
}

.markdown-table th,
.markdown-table td {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}

.markdown-table th:last-child,
.markdown-table td:last-child {
  border-right: 0;
}

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

.markdown-table th {
  background: var(--surface-muted);
  color: var(--ink);
  font-weight: 750;
  white-space: nowrap;
}

.typing-indicator {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #78918a;
  animation: typing 1.1s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 140ms; }
.typing-indicator span:nth-child(3) { animation-delay: 280ms; }

@keyframes typing {
  0%, 70%, 100% { transform: translateY(0); opacity: 0.45; }
  35% { transform: translateY(-4px); opacity: 1; }
}

.answer-meta {
  margin-top: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.status-chip {
  border-radius: 999px;
  padding: 4px 8px;
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}

.status-chip.answered,
.status-chip.completed { background: var(--accent-soft); color: var(--accent); }
.status-chip.out_of_scope,
.status-chip.failed,
.status-chip.cancelled { background: var(--rust-soft); color: var(--rust); }
.status-chip.queued_for_enrichment,
.status-chip.insufficient_evidence,
.status-chip.partial { background: var(--ochre-soft); color: var(--ochre); }
.status-chip.clarification_required { background: var(--blue-soft); color: var(--blue); }

.clarification-panel {
  margin-top: 12px;
  border-left: 3px solid #7397a2;
  padding-left: 12px;
}

.clarification-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.clarification-option {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink-soft);
  padding: 9px 11px;
  text-align: left;
  cursor: pointer;
}

.clarification-option:hover {
  border-color: #78a298;
  background: var(--accent-soft);
}

.clarification-option strong,
.clarification-option span {
  display: block;
}

.clarification-option strong {
  color: var(--ink);
  font-size: 13px;
}

.clarification-option span,
.clarification-panel > p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

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

.mode-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 700;
}

.evidence-details {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.evidence-details > summary {
  width: fit-content;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
}

.evidence-details[open] > summary {
  margin-bottom: 10px;
}

.source-list {
  display: grid;
  gap: 8px;
}

.source-item {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 11px 12px;
}

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

.source-title {
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.source-meta {
  margin-top: 4px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
}

.source-quote {
  margin: 9px 0 0;
  border-left: 3px solid #86aaa1;
  padding-left: 10px;
  color: #45514f;
  font-size: 12px;
  line-height: 1.6;
}

.retrieval-summary,
.limitation-list {
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.message-actions {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.message-action-button {
  width: 30px;
  height: 30px;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
}

.message-action-button:hover,
.message-action-button.selected {
  background: var(--surface-strong);
  color: var(--accent);
}

.message-action-button svg {
  width: 16px;
  height: 16px;
}

.deep-upgrade-button {
  min-height: 30px;
  margin-left: 5px;
  border: 1px solid #b9c9c4;
  border-radius: 6px;
  background: #fff;
  color: var(--accent);
  padding: 5px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.deep-upgrade-button:hover {
  background: var(--accent-soft);
}

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

.research-progress-head,
.research-coverage {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.research-progress-head strong {
  color: var(--ink);
  font-size: 14px;
}

.research-progress-head span,
.research-coverage {
  color: var(--muted);
  font-size: 11px;
}

.research-progress-track {
  height: 5px;
  margin-top: 11px;
  overflow: hidden;
  border-radius: 3px;
  background: var(--surface-strong);
}

.research-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 220ms ease;
}

.research-progress-message {
  margin: 10px 0 7px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.feedback-form {
  margin-top: 8px;
  max-width: 640px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 7px;
}

.feedback-form select,
.feedback-form input {
  min-height: 36px;
  font-size: 12px;
}

.feedback-form button {
  min-height: 36px;
}

.composer-area {
  flex: 0 0 auto;
  border-top: 1px solid rgba(215, 223, 218, 0.7);
  background: rgba(243, 245, 243, 0.96);
  padding: 13px 20px 12px;
}

.mode-toolbar {
  width: min(900px, 100%);
  min-height: 48px;
  margin: 0 auto 9px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.mode-control {
  min-height: 38px;
}

.mode-description {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.mode-description strong {
  color: var(--ink);
  font-size: 12px;
}

.mode-description span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.mode-cost {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  padding: 5px 9px;
  white-space: nowrap;
  font-size: 11px;
  font-weight: 750;
}

.composer {
  width: min(900px, 100%);
  min-height: 92px;
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 5px 20px rgba(27, 45, 41, 0.07);
  padding: 6px 7px 7px 12px;
  display: grid;
}

.composer:focus-within {
  border-color: #73a99d;
  box-shadow: 0 0 0 3px rgba(23, 102, 91, 0.08), 0 5px 20px rgba(27, 45, 41, 0.07);
}

.composer textarea {
  max-height: 160px;
  min-height: 44px;
  border: 0;
  box-shadow: none;
  padding: 9px 4px 5px;
  line-height: 1.55;
}

.composer-footer {
  min-height: 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.composer-scope {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
}

.composer-scope svg {
  width: 14px;
  height: 14px;
}

.send-button {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.composer-note {
  width: min(900px, 100%);
  margin: 7px auto 0;
  color: #84908d;
  font-size: 10px;
  text-align: center;
}

/* Content views */

.content-view.active {
  height: calc(100dvh - 72px);
  overflow-y: auto;
  display: block;
  padding: 38px clamp(24px, 4vw, 58px) 70px;
}

.content-view > * {
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.view-heading {
  margin-bottom: 28px;
}

.view-heading.with-action,
.section-heading.with-action {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.view-heading h1 {
  margin: 0;
  font-size: 27px;
  line-height: 1.25;
}

.view-heading > div > p:last-child,
.section-heading p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.toolbar-form {
  min-height: 62px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 190px 170px auto;
  gap: 9px;
  align-items: center;
}

.search-field {
  position: relative;
  display: block;
}

.search-field svg {
  position: absolute;
  z-index: 1;
  left: 11px;
  top: 12px;
  color: var(--muted);
}

.search-field input {
  padding-left: 38px;
}

.compact-input,
.compact-select {
  min-height: 42px;
}

.result-status {
  min-height: 50px;
  padding: 16px 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.standards-table-wrap,
.data-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.standard-row {
  min-width: 780px;
  border-bottom: 1px solid var(--line);
  padding: 14px 4px;
  display: grid;
  grid-template-columns: minmax(260px, 1.8fr) 150px 115px 115px 100px;
  align-items: center;
  gap: 14px;
}

.standard-row:hover {
  background: rgba(255, 255, 255, 0.55);
}

.standard-main strong,
.standard-main span {
  display: block;
}

.standard-main strong {
  line-height: 1.45;
}

.standard-main span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.standard-cell {
  color: var(--ink-soft);
  font-size: 12px;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent);
  font-weight: 700;
}

.availability.unavailable {
  color: var(--muted);
}

.content-section {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 17px;
}

.section-heading h2 {
  margin: 0;
  font-size: 18px;
}

.section-heading p {
  font-size: 13px;
}

.key-list {
  display: grid;
  gap: 8px;
}

.key-item {
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.key-item strong,
.key-item span {
  display: block;
}

.key-item strong {
  font-size: 13px;
}

.key-item span {
  margin-top: 4px;
  color: var(--muted);
  font: 11px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.danger-text-button {
  min-height: 32px;
  border-radius: 5px;
  background: transparent;
  color: var(--danger);
  padding: 5px 8px;
  cursor: pointer;
}

.danger-text-button:hover {
  background: var(--danger-soft);
}

.empty-row {
  padding: 25px 4px;
  color: var(--muted);
  font-size: 13px;
}

.code-toolbar {
  min-height: 48px;
  border: 1px solid #33413e;
  border-bottom: 0;
  border-radius: 7px 7px 0 0;
  background: #202927;
  color: #e8efec;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.code-toolbar .segmented-control {
  border-color: #465451;
  background: #151c1a;
}

.code-toolbar .segment {
  color: #9eaaa7;
}

.code-toolbar .segment.active {
  background: #394541;
  color: #fff;
  box-shadow: none;
}

.code-toolbar .icon-text-button {
  min-height: 32px;
  border-color: #465451;
  background: transparent;
  color: #dce6e2;
}

.code-block {
  min-height: 230px;
  margin: 0;
  border: 1px solid #33413e;
  border-radius: 0 0 7px 7px;
  background: #18201e;
  color: #dbe7e2;
  padding: 18px;
  overflow: auto;
  white-space: pre;
  font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.endpoint-list {
  border-top: 1px solid var(--line);
}

.endpoint-row {
  min-height: 58px;
  border-bottom: 1px solid var(--line);
  padding: 11px 4px;
  display: grid;
  grid-template-columns: 58px 190px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.endpoint-row code {
  color: var(--ink);
  font: 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.endpoint-row p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.method {
  width: fit-content;
  border-radius: 4px;
  padding: 4px 7px;
  font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace;
}

.method.post { background: var(--accent-soft); color: var(--accent); }
.method.get { background: var(--blue-soft); color: var(--blue); }

.metric-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-strip > div {
  min-height: 132px;
  padding: 20px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.metric-strip > div:last-child {
  border-right: 0;
}

.metric-strip span,
.metric-strip small {
  color: var(--muted);
}

.metric-strip span {
  font-size: 12px;
  font-weight: 700;
}

.metric-strip strong {
  margin: 8px 0 7px;
  color: var(--ink);
  font-size: 27px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.metric-strip small {
  font-size: 10px;
  line-height: 1.4;
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  text-align: left;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 11px 10px;
  vertical-align: middle;
}

.feedback-table {
  min-width: 1040px;
}

.feedback-question-cell {
  width: 260px;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.table-subtext {
  display: block;
  max-width: 220px;
  margin-top: 3px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.data-table td {
  color: var(--ink-soft);
  font-size: 12px;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.6);
}

.amount-positive { color: var(--accent) !important; font-weight: 750; }
.amount-negative { color: var(--rust) !important; font-weight: 750; }

.user-cell {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.user-cell-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.user-cell strong,
.user-cell span {
  display: block;
}

.user-cell span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.quota-mode-control {
  width: 100%;
}

.table-action {
  min-height: 30px;
  border-radius: 5px;
  background: transparent;
  color: var(--accent);
  padding: 5px 7px;
  cursor: pointer;
}

.table-action:hover {
  background: var(--accent-soft);
}

.table-action.danger {
  color: var(--danger);
}

.table-action.danger:hover {
  background: var(--danger-soft);
}

/* Dialogs */

.app-dialog {
  width: min(520px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.app-dialog::backdrop {
  background: rgba(13, 24, 21, 0.52);
}

.dialog-shell {
  margin: 0;
}

.dialog-header {
  min-height: 72px;
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.dialog-header h2 {
  margin: 0;
  font-size: 18px;
}

.dialog-body {
  padding: 19px;
  display: grid;
  gap: 14px;
}

.dialog-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.dialog-body > .dialog-question {
  max-height: 110px;
  overflow: auto;
  color: var(--ink-soft);
}

.dialog-actions {
  min-height: 64px;
  border-top: 1px solid var(--line);
  padding: 12px 18px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.secret-value {
  min-height: 50px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface-muted);
  padding: 7px 8px 7px 11px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  align-items: center;
  gap: 8px;
}

.secret-value code {
  overflow-wrap: anywhere;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  user-select: all;
}

.lexicon-table {
  min-width: 1120px;
}

.lexicon-dialog {
  width: min(1040px, calc(100vw - 28px));
  max-height: calc(100dvh - 28px);
}

.lexicon-dialog .dialog-shell {
  max-height: calc(100dvh - 28px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.lexicon-dialog-body {
  overflow-y: auto;
}

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

.lexicon-form-grid .span-two {
  grid-column: 1 / -1;
}

.lexicon-switches {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-muted);
  padding: 10px 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 10px 18px;
}

.lexicon-switches label {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
}

.lexicon-switches input {
  width: 17px;
  height: 17px;
  min-height: 0;
  flex: 0 0 17px;
  padding: 0;
  accent-color: var(--accent);
}

.lexicon-preview-toolbar {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px;
}

.lexicon-preview-result {
  min-height: 138px;
  max-height: 280px;
  margin: 0;
  border: 1px solid #33413e;
  border-radius: 6px;
  background: #18201e;
  color: #dbe7e2;
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 12px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (max-width: 980px) {
  .auth-screen {
    grid-template-columns: minmax(330px, 40%) minmax(0, 60%);
  }

  .auth-form-area {
    padding: 40px;
  }

  .auth-context-copy h1 {
    font-size: 42px;
  }

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

  .suggestion {
    min-height: 86px;
  }

  .mode-toolbar {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .mode-cost {
    grid-column: 1 / -1;
    justify-self: end;
    margin-top: -7px;
  }

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

  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-strip > div:nth-child(2) {
    border-right: 0;
  }

  .metric-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .lexicon-dialog {
    width: min(840px, calc(100vw - 28px));
  }
}

@media (max-width: 760px) {
  .mobile-only {
    display: inline-grid !important;
  }

  .auth-screen {
    grid-template-columns: 1fr;
  }

  .auth-context {
    display: none;
  }

  .auth-form-area {
    min-height: 100dvh;
    padding: 24px 20px 38px;
    place-items: start center;
  }

  .auth-mobile-brand {
    width: min(100%, 470px);
    margin: 0 auto 54px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .auth-mobile-brand .brand-symbol {
    border-color: #a9c9c1;
    background: var(--accent);
  }

  .auth-mobile-brand strong,
  .auth-mobile-brand span {
    color: var(--ink);
  }

  .auth-mobile-brand span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 11px;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(88vw, 310px);
    transform: translateX(-102%);
    transition: transform 180ms ease;
    box-shadow: 12px 0 34px rgba(0, 0, 0, 0.22);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-brand .mobile-only {
    margin-left: auto;
  }

  .sidebar-backdrop {
    position: fixed;
    z-index: 20;
    inset: 0;
    background: rgba(10, 20, 18, 0.5);
  }

  .main-workspace {
    width: 100%;
  }

  .topbar {
    height: 64px;
    padding: 0 13px;
  }

  .topbar p,
  .quota-button span {
    display: none;
  }

  .topbar h2 {
    font-size: 16px;
  }

  #chatView,
  .content-view.active {
    height: calc(100dvh - 64px);
  }

  .chat-empty-state,
  .message-list {
    width: calc(100% - 28px);
  }

  .chat-empty-state {
    padding-top: 38px;
    justify-content: flex-start;
  }

  .chat-empty-state h1 {
    font-size: 23px;
  }

  .suggestion-grid {
    margin-top: 24px;
  }

  .message-list {
    padding-top: 24px;
  }

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

  .assistant-message {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .assistant-avatar {
    width: 30px;
    height: 30px;
  }

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

  .composer-area {
    padding: 9px 10px 8px;
  }

  .mode-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px 10px;
  }

  .mode-control {
    grid-column: 1 / -1;
    width: 100%;
  }

  .mode-description {
    min-height: 38px;
  }

  .mode-cost {
    grid-column: auto;
    align-self: start;
    margin-top: 0;
  }

  .composer-scope {
    max-width: 74%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .content-view.active {
    padding: 26px 16px 54px;
  }

  .view-heading.with-action,
  .section-heading.with-action {
    align-items: flex-start;
  }

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

  .metric-strip {
    grid-template-columns: 1fr;
  }

  .metric-strip > div,
  .metric-strip > div:nth-child(2) {
    min-height: 105px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-strip > div:last-child {
    border-bottom: 0;
  }

  .endpoint-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .endpoint-row p {
    grid-column: 1 / -1;
  }

  .code-toolbar {
    align-items: flex-start;
  }

  .segmented-control.compact .segment {
    padding-inline: 9px;
  }

  .lexicon-form-grid,
  .lexicon-switches,
  .lexicon-preview-toolbar {
    grid-template-columns: 1fr;
  }

  .lexicon-dialog .dialog-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 460px) {
  .two-columns {
    grid-template-columns: 1fr;
  }

  .auth-mobile-brand {
    margin-bottom: 36px;
  }

  .auth-heading h2 {
    font-size: 26px;
  }

  .view-heading.with-action,
  .section-heading.with-action {
    display: grid;
  }

  .view-heading.with-action .secondary-command,
  .section-heading.with-action .primary-command {
    width: 100%;
  }

  .code-toolbar {
    display: grid;
  }

  .segmented-control.compact {
    width: 100%;
  }

  .icon-text-button {
    width: 100%;
  }

  .lexicon-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100dvh - 16px);
  }

  .lexicon-dialog .dialog-shell {
    max-height: calc(100dvh - 16px);
  }

  .lexicon-dialog .dialog-actions > button {
    flex: 1 1 calc(50% - 8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}