/* CPAMC-style design system: warm gray tones, glass effects, light/dark toggle */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg-primary: #1d1b18;
  --bg-secondary: #151412;
  --bg-tertiary: #2a2724;
  --bg-elevated: #322f2b;
  --bg-surface: #1d1b18;
  --text-primary: #f6f4f1;
  --text-secondary: #c9c3bb;
  --text-muted: #8a837b;
  --border: #3a3530;
  --border-hover: #4a4540;
  --border-focus: #4D6BFE;
  --primary: #4D6BFE;
  --primary-hover: #6B85FE;
  --success: #10b981;
  --error: #c65746;
  --warning: #d4a853;
  --bg-hover: #3a3530;
  --primary-soft: rgba(77, 107, 254, 0.2);
  --glass-bg: rgba(29, 27, 24, 0.8);
  --glass-blur: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --gap: 12px;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
  --ease: 150ms ease;
  --font-mono: ui-monospace, "SF Mono", "SFMono-Regular", "Cascadia Code", Menlo, monospace;
  --header-height: 60px;
  --sidebar-width: 240px;
  --sidebar-collapsed: 64px;
  --shell-gutter: 20px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg-primary: #f0eee8;
  --bg-secondary: #faf9f5;
  --bg-tertiary: #e8e6e0;
  --bg-elevated: #ffffff;
  --bg-surface: #f0eee8;
  --text-primary: #2d2a26;
  --text-secondary: #6d6760;
  --text-muted: #9d9892;
  --border: #e3e1db;
  --border-hover: #d3d1cb;
  --border-focus: #3A56E0;
  --primary: #3A56E0;
  --primary-hover: #2D44CC;
  --success: #10b981;
  --error: #c65746;
  --warning: #d4a853;
  --bg-hover: #d3d1cb;
  --primary-soft: rgba(58, 86, 224, 0.12);
  --glass-bg: rgba(240, 238, 232, 0.8);
  --glass-blur: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

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

html {
  background: var(--bg-primary);
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  overflow: hidden;
}

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

button {
  align-items: center;
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  gap: 8px;
  justify-content: center;
  min-height: 36px;
  overflow: hidden;
  padding: 8px 14px;
  position: relative;
  transition: background var(--ease), border-color var(--ease), color var(--ease), opacity var(--ease);
}

button:hover {
  opacity: 0.85;
}

button:active {
  opacity: 0.7;
  transform: scale(0.98);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
  transform: none;
}

input,
select,
textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  min-height: 40px;
  outline: none;
  padding: 10px 12px;
  transition: border-color var(--ease), box-shadow var(--ease);
  width: 100%;
}

textarea {
  line-height: 1.6;
  min-height: 110px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-soft);
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-repeat: no-repeat;
  background-size: 5px 5px;
  padding-right: 34px;
}

select option,
select optgroup {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

svg {
  flex: 0 0 auto;
}

button svg,
.panel-heading-inline svg,
.intro-route svg,
.capability-list svg {
  height: 16px;
  width: 16px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.hidden {
  display: none !important;
}

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

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.app-shell {
  min-height: 100dvh;
}

.bento-panel {
  border-radius: var(--radius);
  min-width: 0;
  overflow: hidden;
}

.panel-paper,
.panel-dark,
.panel-accent {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.panel-label,
.eyebrow {
  color: var(--text-secondary);
  display: inline-flex;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.brand-lockup {
  align-items: center;
  display: flex;
  gap: 10px;
}

.brand-lockup > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-lockup strong {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-lockup span:last-child {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
}

.brand-symbol {
  align-items: center;
  background: var(--text-primary);
  border-radius: var(--radius);
  color: var(--bg-primary);
  display: inline-flex;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 700;
  height: 36px;
  justify-content: center;
  opacity: 1 !important;
  width: 36px;
}

.theme-switch,
.segmented-control,
.compact-theme,
.theme-option {
  display: none;
}

.button-primary,
.button-dark,
.button-secondary,
.button-ghost,
.icon-button {
  font-weight: 500;
}

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

.button-primary:hover {
  background: var(--text-secondary);
  border-color: var(--text-secondary);
}

.button-dark {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-primary);
}

.button-dark:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
}

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

.button-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.button-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.button-ghost:hover {
  color: var(--text-secondary);
  background: var(--bg-elevated);
}

.button-danger {
  color: var(--error);
}

.icon-button {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text-secondary);
  height: 36px;
  min-height: 36px;
  padding: 0;
  width: 36px;
}

.icon-button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.icon-button.inverse {
  border-color: var(--border);
  color: var(--text-secondary);
}

.wide-command {
  justify-content: space-between;
  width: 100%;
}

.button-ripple {
  animation: ripple-expand 500ms ease-out forwards;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  pointer-events: none;
  position: absolute;
  transform: scale(0);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.input-group > span,
.input-group > label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.status {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  max-height: 240px;
  overflow: auto;
  padding: 12px;
  white-space: pre-wrap;
}

/* Login */
.login-screen {
  min-height: 100dvh;
  padding: var(--gap);
}

.login-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: 60px repeat(8, minmax(0, 1fr)) 52px;
  height: calc(100dvh - (var(--gap) * 2));
  margin: 0 auto;
  max-height: 1080px;
  max-width: 1400px;
  min-height: 680px;
}

.login-top {
  align-items: center;
  display: flex;
  grid-column: 1 / -1;
  grid-row: 1;
  justify-content: space-between;
  padding: 12px 20px;
}

.login-intro {
  display: flex;
  flex-direction: column;
  grid-column: 1 / 6;
  grid-row: 2 / 7;
  justify-content: space-between;
  padding: 24px;
}

.intro-route {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  font-size: 11px;
  font-weight: 600;
  gap: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.login-intro h1 {
  font-size: 3.5rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 16px 0;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.login-intro p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  max-width: 420px;
}

.login-visual {
  background: var(--bg-tertiary);
  grid-column: 6 / 9;
  grid-row: 2 / 7;
  margin: 0;
  position: relative;
}

.visual-image {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.visual-starry {
  filter: grayscale(1) contrast(0.9) brightness(0.5);
}

.visual-ocean {
  display: none;
  filter: grayscale(1) contrast(0.9) brightness(0.4);
}

.login-visual::after {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.7));
  content: "";
  inset: 0;
  position: absolute;
}

.login-visual figcaption {
  align-items: flex-end;
  bottom: 20px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  left: 20px;
  position: absolute;
  right: 20px;
  z-index: 2;
}

.login-visual figcaption span {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.login-visual figcaption strong {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.visual-node {
  background: var(--primary);
  border: 4px solid rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  height: 24px;
  position: absolute;
  width: 24px;
  z-index: 2;
}

.node-a {
  left: 25%;
  top: 28%;
}

.node-b {
  right: 22%;
  top: 48%;
}

.visual-link {
  background: var(--primary);
  height: 2px;
  left: 29%;
  position: absolute;
  top: 37%;
  transform: rotate(25deg);
  transform-origin: left center;
  width: 50%;
  z-index: 2;
  opacity: 0.6;
}

.login-auth {
  display: flex;
  flex-direction: column;
  gap: 24px;
  grid-column: 9 / -1;
  grid-row: 2 / 10;
  overflow: auto;
  padding: 24px;
}

.login-auth input,
.login-auth select,
.login-auth textarea {
  background: var(--bg-secondary);
  border-color: var(--border);
  color: var(--text-primary);
}

.login-auth input:focus,
.login-auth select:focus,
.login-auth textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-soft);
}

.auth-tab-bar {
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 4px;
}

.auth-tab-btn {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--text-muted);
  padding: 10px 12px;
}

.auth-tab-btn.active {
  border-bottom-color: var(--primary);
  color: var(--text-primary);
}

.auth-tab-pane,
.auth-form,
.auth-heading {
  display: flex;
  flex-direction: column;
}

.auth-tab-pane {
  gap: 20px;
}

.auth-heading {
  gap: 6px;
}

.auth-heading h2 {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.auth-heading p {
  color: var(--text-secondary);
  font-size: 14px;
}

.auth-form {
  gap: 14px;
}

.login-security {
  display: flex;
  flex-direction: column;
  grid-column: 1 / 5;
  grid-row: 7 / 10;
  justify-content: space-between;
  padding: 22px;
}

.panel-heading-inline {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.panel-heading-inline svg {
  color: var(--text-muted);
  height: 24px;
  width: 24px;
}

.login-security p {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
  max-width: 360px;
}

.security-meter {
  display: grid;
  gap: 4px;
  grid-template-columns: repeat(4, 1fr);
}

.security-meter span {
  background: var(--bg-hover);
  height: 4px;
}

.security-meter span:nth-child(2) {
  background: var(--success);
}

.security-meter span:nth-child(3) {
  background: var(--warning);
}

.security-meter span:nth-child(4) {
  background: var(--primary);
}

.login-capabilities {
  display: flex;
  flex-direction: column;
  gap: 12px;
  grid-column: 5 / 9;
  grid-row: 7 / 10;
  padding: 22px;
}

.capability-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0;
}

.capability-list li {
  align-items: center;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  justify-content: space-between;
}

.capability-list li:last-child {
  border-bottom: 0;
}

.login-footer {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  font-size: 10px;
  font-weight: 600;
  gap: 16px;
  grid-column: 9 / -1;
  grid-row: 10;
  justify-content: center;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  text-transform: uppercase;
}

/* Authenticated workspace */
.workspace {
  display: grid;
  gap: var(--gap);
  grid-template-rows: 60px minmax(0, 1fr);
  height: 100dvh;
  overflow: hidden;
  padding: var(--gap);
}

.workspace-top {
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 8px 14px;
}

.compact-brand {
  flex: 0 0 auto;
}

.desktop-nav {
  align-items: center;
  display: flex;
  flex: 1;
  gap: 2px;
  justify-content: center;
  min-width: 0;
}

.nav-item {
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  min-height: 34px;
  padding: 6px 10px;
}

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

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

.workspace-actions {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.identity-copy {
  display: flex;
  flex-direction: column;
  max-width: 130px;
  min-width: 80px;
}

.identity-copy span {
  color: var(--text-muted);
  font-size: 11px;
}

.identity-copy strong {
  color: var(--text-secondary);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(220px, 2.3fr) minmax(0, 9.7fr);
  min-height: 0;
}

.sidebar {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px;
}

.sidebar-heading,
.section-heading,
.section-title-bar,
.page-title-row {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.sidebar-heading h2,
.section-heading h3,
.section-title-bar h2 {
  margin-top: 4px;
}

.sidebar-heading h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.metric-pill,
.chip,
.status-dot,
.method-pill,
.blue-pill {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  display: inline-flex;
  font-size: 11px;
  font-weight: 500;
  justify-content: center;
  min-height: 24px;
  padding: 3px 8px;
}

.sidebar .metric-pill {
  border-color: var(--primary);
  color: var(--primary);
}

.section-copy {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 6px 0 12px;
}

.session-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.session-item {
  align-items: stretch;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 8px;
  min-height: 60px;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.session-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-elevated);
}

.session-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-primary);
}

.session-item-title {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-meta {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  font-size: 11px;
  justify-content: space-between;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 12px;
}

.workspace-main {
  display: grid;
  gap: var(--gap);
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  position: relative;
}

.page-header {
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  min-height: 100px;
  padding: 16px 20px;
}

.page-heading h1 {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-top: 6px;
}

.page-header-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.status-line,
.metric-line {
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 4px 12px;
}

.status-line span,
.metric-line span {
  color: var(--text-muted);
  white-space: nowrap;
}

.status-line strong,
.metric-line strong {
  color: var(--text-secondary);
  margin-left: 2px;
}

.status-banner {
  position: absolute;
  right: 20px;
  top: 88px;
  width: min(520px, calc(100% - 40px));
  z-index: 20;
}

.page-content {
  min-height: 0;
  overflow: auto;
  padding-right: 2px;
}

.tab-pane {
  display: grid;
  gap: var(--gap);
  min-height: 100%;
}

.section-title-bar {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 72px;
  padding: 14px 18px;
}

.section-title-bar h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.settings-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.settings-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Dashboard */
.dashboard-card-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dashboard-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: space-between;
  min-height: 120px;
  padding: 16px;
}

.dashboard-card:nth-child(2) {
  border-color: var(--primary);
}

.dashboard-card:nth-child(3) {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-primary);
}

.dashboard-card:nth-child(4) {
  border-color: var(--success);
}

.dashboard-card span,
.dashboard-card small {
  color: var(--text-muted);
  font-size: 12px;
}

.dashboard-card:nth-child(3) span,
.dashboard-card:nth-child(3) small {
  color: rgba(0, 0, 0, 0.6);
}

.dashboard-card strong {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.dashboard-overview-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
}

.verification-panel .empty-state,
.panel-dark .empty-state {
  border-color: var(--border);
}

.dashboard-chart {
  min-height: 210px;
}

.dashboard-chart-bars {
  align-items: end;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(6, 1fr);
  height: 210px;
  padding-top: 16px;
}

.chart-bucket {
  align-items: center;
  display: flex;
  flex-direction: column;
  font-size: 11px;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column-reverse;
  min-height: 8px;
  overflow: hidden;
  width: min(36px, 76%);
}

.chart-bar-ok {
  background: var(--success);
}

.chart-bar-error {
  background: var(--error);
}

.alert-list,
.settings-kv {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.alert-row {
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 4px;
  padding: 10px 0;
}

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

.alert-row span,
.alert-row small {
  color: var(--text-secondary);
  font-size: 12px;
}

/* Chat */
.chat-section {
  grid-template-rows: auto minmax(260px, 1fr) auto auto;
}

.chat-toolbar {
  align-items: end;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  gap: 10px;
  padding: 12px 14px;
}

.compact-field {
  min-width: 180px;
}

.messages {
  align-items: flex-start;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 300px;
  overflow: auto;
  padding: 16px;
}

.message {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 84%;
  padding: 12px 14px;
}

.message.user {
  align-self: flex-end;
  background: var(--primary);
  color: var(--bg-primary);
  max-width: 78%;
}

.message.assistant,
.message.system {
  align-self: flex-start;
}

.message-head {
  display: flex;
}

.message.user .message-head {
  justify-content: flex-end;
}

.msg-avatar {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  display: inline-flex;
  font-size: 10px;
  font-weight: 600;
  height: 24px;
  justify-content: center;
  width: 24px;
}

.message-section {
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-section + .message-section {
  margin-top: 8px;
}

.message-section.thinking {
  border-left: 2px solid var(--primary);
  opacity: 0.7;
  padding-left: 10px;
}

.message-label {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 4px;
}

details.message-section.thinking > summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 8px;
  justify-content: space-between;
  list-style: none;
  user-select: none;
  white-space: normal;
}

details.message-section.thinking > summary::-webkit-details-marker {
  display: none;
}

details.message-section.thinking > summary::after {
  color: var(--text-muted);
  content: "+";
  font-size: 14px;
  line-height: 1;
}

details.message-section.thinking[open] > summary::after {
  content: "\2212";
}

details.message-section.thinking:not([open]) > summary {
  margin-bottom: 0;
}

details.message-section.thinking > [data-section-text] {
  display: block;
}

.composer {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
}

.composer textarea {
  min-height: 88px;
}

.composer-actions {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.send-button {
  min-width: 120px;
}

.message-file-list,
.draft-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  gap: 8px;
  justify-content: space-between;
  padding: 8px 10px;
}

.file-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.file-info strong,
.file-meta {
  overflow-wrap: anywhere;
}

.file-meta {
  color: var(--text-muted);
  font-size: 11px;
}

/* Forms and management */
.settings-grid,
.settings-panel-grid,
.admin-grid {
  display: grid;
  gap: var(--gap);
}

.accounts-grid {
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
}

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

.settings-risk-card {
  grid-row: span 2;
}

.admin-grid {
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
}

#tab-admin {
  align-content: start;
}

.form-grid,
.explorer-grid {
  align-items: end;
  display: grid;
  gap: 10px;
}

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

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

.settings-form,
.explorer-form,
.vertical-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-form:not(.vertical-form) {
  align-items: center;
  flex-direction: row;
  flex-wrap: wrap;
}

.toggle-chip {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: inline-flex;
  gap: 8px;
  min-height: 40px;
  padding: 8px 12px;
}

.toggle-chip input,
.admin-select input {
  accent-color: var(--primary);
  height: 16px;
  margin: 0;
  width: 16px;
}

.shared-mode-panel {
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 16px;
}

.account-list,
.key-list {
  margin-top: 12px;
}

.account-item,
.admin-list-item {
  align-items: center;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 12px 0;
}

.account-info,
.admin-list-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.account-title-row {
  align-items: center;
  display: flex;
  gap: 8px;
}

.account-meta,
.admin-list-copy span {
  color: var(--text-muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.health-dot {
  background: var(--success);
  border-radius: 50%;
  height: 8px;
  width: 8px;
}

.health-dot.warn {
  background: var(--warning);
}

.health-dot.danger {
  background: var(--error);
}

.inline-actions,
.form-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.form-actions {
  justify-content: flex-end;
}

.captcha-panel {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 10px;
  grid-column: 1 / -1;
  padding-top: 12px;
}

.captcha-copy {
  display: grid;
  font-size: 13px;
  gap: 4px;
}

.captcha-error {
  color: var(--error);
}

.captcha-preview {
  border-radius: var(--radius);
  max-height: 230px;
  max-width: 100%;
  object-fit: contain;
}

.captcha-form {
  align-items: end;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto auto auto;
}

.api-key-create-form,
.explorer-form {
  padding: 16px;
}

.api-key-create-form {
  grid-template-columns: minmax(160px, 0.8fr) minmax(220px, 1.2fr) auto auto;
}

.key-item {
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(230px, 1.3fr) repeat(3, minmax(110px, 0.55fr)) auto;
  padding: 14px;
}

.key-item:nth-child(even) {
  background: var(--bg-secondary);
}

.key-card-secret,
.key-card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.key-card-secret {
  position: relative;
}

.key-card-secret code {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow: hidden;
  padding: 6px 42px 6px 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.key-card-actions {
  pointer-events: auto;
  position: absolute;
  right: 3px;
  top: 3px;
  z-index: 2;
}

.key-card-actions .icon-button {
  height: 28px;
  min-height: 28px;
  pointer-events: auto;
  width: 28px;
}

.key-created,
.meta-label {
  color: var(--text-muted);
  font-size: 11px;
}

.tool-pill {
  border: 0;
  padding: 0;
}

.usage-number {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.request-log-list {
  overflow: auto;
}

.request-log-header,
.request-log-row {
  display: grid;
  font-size: 12px;
  gap: 10px;
  grid-template-columns: 138px 62px minmax(180px, 1.3fr) minmax(90px, 0.7fr) 58px 68px minmax(90px, 0.7fr);
  min-width: 760px;
  padding: 10px 14px;
}

.request-log-header {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 2;
}

.request-log-row {
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.request-log-row code {
  color: var(--text-primary);
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.request-log-list.compact {
  margin-top: 10px;
  max-height: 280px;
}

.status-dot {
  color: var(--success);
}

.status-dot.ok {
  color: var(--success);
}

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

.settings-kv {
  grid-template-columns: minmax(90px, 0.45fr) minmax(0, 1fr);
}

.settings-kv span {
  color: var(--text-muted);
  font-size: 12px;
}

.settings-kv strong {
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.admin-select {
  align-items: center;
  display: flex;
  font-size: 12px;
  gap: 6px;
}

.admin-user-item {
  grid-template-columns: auto minmax(180px, 0.7fr) minmax(0, 1.3fr);
}

.admin-user-form {
  align-items: end;
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(2, minmax(100px, 1fr)) auto;
}

.empty-state {
  align-items: flex-start;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  min-height: 100px;
  padding: 14px;
}

.empty-state span {
  font-size: 12px;
}

.status-large {
  max-height: 480px;
  min-height: 220px;
}

.bottom-tab-bar {
  display: none;
}

::-webkit-scrollbar {
  height: 6px;
  width: 6px;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 6px;
}

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

@keyframes ripple-expand {
  from { opacity: 0.4; transform: scale(0); }
  to { opacity: 0; transform: scale(4); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius);
}

.is-motion-ready {
  animation: fade-in-up 400ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@media (max-width: 1240px) {
  .nav-item span {
    display: none;
  }

  .nav-item {
    padding-inline: 8px;
  }

  .identity-copy {
    display: none;
  }

  .workspace-grid {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .page-header-meta {
    display: none;
  }

  .page-header {
    grid-template-columns: 1fr auto;
  }

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

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

  .key-card-menu {
    justify-self: end;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .login-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    max-height: none;
    min-height: 0;
  }

  .login-top,
  .login-intro,
  .login-visual,
  .login-auth,
  .login-security,
  .login-capabilities,
  .login-footer {
    flex: none;
  }

  .login-intro {
    min-height: 320px;
  }

  .login-visual {
    height: 380px;
  }

  .login-auth {
    min-height: 420px;
  }

  .login-security,
  .login-capabilities {
    min-height: 240px;
  }

  .login-footer {
    min-height: 52px;
  }

  .workspace {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
    padding-bottom: 88px;
  }

  .workspace-top {
    position: sticky;
    top: 10px;
    z-index: 30;
  }

  .desktop-nav {
    display: none;
  }

  .workspace-grid {
    display: block;
  }

  .sidebar {
    display: none;
    margin-bottom: var(--gap);
    max-height: 320px;
  }

  body[data-active-tab="chat"] .sidebar {
    display: flex;
  }

  .workspace-main {
    min-height: calc(100dvh - 100px);
  }

  .page-content {
    overflow: visible;
  }

  .dashboard-overview-grid,
  .accounts-grid,
  .settings-panel-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .settings-risk-card {
    grid-row: auto;
  }

  .captcha-form,
  .admin-user-form {
    grid-template-columns: 1fr;
  }

  .bottom-tab-bar {
    bottom: 10px;
    display: flex;
    gap: 3px;
    left: 10px;
    overflow-x: auto;
    padding: 5px;
    position: fixed;
    right: 10px;
    z-index: 40;
  }

  .bottom-tab-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    flex: 1 0 52px;
    flex-direction: column;
    font-size: 10px;
    gap: 2px;
    min-height: 50px;
    padding: 5px;
  }

  .bottom-tab-item.active {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-primary);
  }
}

@media (max-width: 620px) {
  :root {
    --gap: 10px;
  }

  .login-screen {
    padding: 10px;
  }

  .workspace {
    padding: 10px 10px 88px;
  }

  .login-top {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    min-height: 110px;
  }

  .login-intro {
    min-height: 320px;
  }

  .login-intro h1 {
    font-size: 2.2rem;
  }

  .login-visual {
    height: 300px;
  }

  .login-auth,
  .login-intro,
  .login-security,
  .login-capabilities {
    padding: 18px;
  }

  .login-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .compact-brand > div {
    display: none;
  }

  .workspace-top {
    min-height: 56px;
  }

  .page-header {
    align-items: start;
    grid-template-columns: 1fr auto;
    min-height: 88px;
    padding: 14px;
  }

  .page-heading h1 {
    font-size: 1.5rem;
  }

  .page-header .button-dark span {
    display: none;
  }

  .page-header .button-dark {
    height: 36px;
    min-width: 36px;
    padding: 0;
    width: 36px;
  }

  .dashboard-card-grid,
  .form-grid,
  .form-grid.two-cols,
  .explorer-grid,
  .api-key-create-form,
  .key-item {
    grid-template-columns: 1fr;
  }

  .chat-toolbar,
  .composer-actions,
  .settings-form:not(.vertical-form),
  .page-title-row,
  .section-title-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .compact-field {
    min-width: 0;
    width: 100%;
  }

  .message,
  .message.user {
    max-width: 94%;
  }

  .account-item,
  .admin-list-item,
  .admin-user-item {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .inline-actions > button {
    flex: 1;
  }

  .settings-kv {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}