:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-muted: #eef1f6;
  --surface-soft: #f8f9fc;
  --text: #141b2d;
  --text-rgb: 20 27 45;
  --text-soft: #3f4e62;
  --text-muted: #7c8898;
  --border: #dfe3eb;
  --border-strong: #c8ced9;
  --accent: #0038a8;
  --accent-rgb: 0 56 168;
  --accent-hover: #002d8a;
  --accent-active: #00236e;
  --accent-soft: #e8f0ff;
  --accent-muted: #b3ccf5;
  --danger: #c2410c;
  --danger-soft: #fff4ed;
  --shadow-sm: 0 1px 3px rgb(var(--accent-rgb) / 0.06), 0 1px 2px rgb(0 0 0 / 0.04);
  --shadow: 0 4px 16px rgb(var(--accent-rgb) / 0.08), 0 1px 3px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 12px 40px rgb(var(--accent-rgb) / 0.12), 0 4px 12px rgb(0 0 0 / 0.05);
  --shadow-float: 0 16px 48px rgb(var(--accent-rgb) / 0.14), 0 6px 16px rgb(0 0 0 / 0.06);
  --radius: 10px;
  --radius-lg: 14px;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  accent-color: var(--accent);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.launch-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--bg);
  opacity: 1;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.launch-screen.is-hidden {
  visibility: hidden;
  opacity: 0;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.layout {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 max(28px, calc((100vw - 1100px) / 2));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgb(var(--text-rgb) / 0.04);
  z-index: 20;
}

.brand,
.header-actions {
  display: flex;
  align-items: center;
}

.brand {
  min-width: 0;
  gap: 12px;
}

.brand-logo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  color: var(--text);
}

.brand-logo img {
  display: block;
  width: 42px;
  height: 42px;
}

.brand-text h1,
.brand-text p,
.form-heading h2,
.form-heading p,
.form-section h3,
.dialog-title h2,
.dialog-title span,
.help-text,
.form-error {
  margin: 0;
}

.brand-text {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: 8px;
  white-space: nowrap;
}

.brand-text h1 {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand-text p {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0;
}

.header-actions {
  flex: 0 0 auto;
  gap: 4px;
}

.header-actions .btn-icon {
  color: var(--text-soft);
}

.header-actions .btn-icon.ghost:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.workspace {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-muted) transparent;
}

.workspace::-webkit-scrollbar {
  width: 8px;
}

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

.workspace::-webkit-scrollbar-thumb {
  background: var(--accent-muted);
  border-radius: var(--radius);
}

.workspace::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.intake-view {
  position: relative;
  isolation: isolate;
  min-height: 100%;
  padding: 40px max(18px, calc((100vw - 760px) / 2)) 72px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.56) 0, rgb(244 246 251 / 0) 360px),
    var(--bg);
}

.intake-form {
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
}

.intake-view::before,
.intake-view::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.intake-view::before {
  top: 116px;
  left: clamp(-140px, calc(50vw - 700px), 260px);
  width: 240px;
  height: 520px;
  color: rgb(var(--accent-rgb));
  opacity: 0.07;
  background:
    linear-gradient(90deg, currentColor 0 30px, transparent 30px 42px, currentColor 42px 72px, transparent 72px 104px),
    linear-gradient(180deg, transparent 0 15px, currentColor 15px 17px, transparent 17px 36px);
  background-size: 104px 36px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 18%, #000 76%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 18%, #000 76%, transparent 100%);
}

.intake-view::after {
  top: 58px;
  right: clamp(-360px, calc(50vw - 950px), 24px);
  width: min(620px, 62vw);
  min-width: 420px;
  aspect-ratio: 1;
  opacity: 0.58;
  background: url("assets/yijing-disc.svg") center / contain no-repeat;
}

.form-heading {
  max-width: 620px;
  margin-bottom: 32px;
}

.form-heading h2 {
  font-size: clamp(24px, 3vw, 28px);
  line-height: 1.2;
  font-weight: 760;
  letter-spacing: 0.01em;
  color: var(--text);
}

.form-section {
  margin-top: 12px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-section h3 {
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.section-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  min-width: 0;
}

.field-grid {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  min-width: 0;
}

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

.four-columns {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.field > span,
.field > label,
.inline-field-label > span,
.dialog-body label {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background-color: var(--surface-soft);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  caret-color: var(--accent);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

input,
select {
  min-height: 44px;
  padding: 10px 14px;
  font-size: 14px;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

select {
  appearance: none;
  padding-right: 38px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 52%,
    calc(100% - 12px) 52%;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

select:required:invalid,
select:has(option:checked[value=""]) {
  color: var(--text-muted);
}

select option {
  color: var(--text);
  background-color: var(--surface);
}

select option:disabled {
  color: var(--text-muted);
}

select option:checked {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 0 0 100vmax var(--accent) inset;
}

select option:hover,
select option:focus {
  color: #ffffff;
  background: var(--accent-hover);
  box-shadow: 0 0 0 100vmax var(--accent-hover) inset;
}

select:disabled {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--border-strong) 50%),
    linear-gradient(135deg, var(--border-strong) 50%, transparent 50%);
}

.select-shell {
  position: relative;
  width: 100%;
  min-width: 0;
}

.select-shell.is-compact {
  width: auto;
  min-width: 150px;
}

.native-select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.select-trigger {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  justify-content: flex-start;
  padding: 10px 38px 10px 14px;
  color: var(--text);
  background-color: var(--surface-soft);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.select-shell.is-compact .select-trigger {
  min-height: 36px;
  padding: 6px 38px 6px 12px;
  font-size: 13px;
  background-color: var(--surface);
}

.select-trigger::before,
.select-trigger::after {
  content: "";
  position: absolute;
  top: calc(50% - 1px);
  width: 7px;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
  transition: transform 180ms ease, background-color 180ms ease;
}

.select-trigger::before {
  right: 18px;
  transform: rotate(45deg);
}

.select-trigger::after {
  right: 14px;
  transform: rotate(-45deg);
}

.select-trigger-value {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.select-shell.is-placeholder .select-trigger {
  color: var(--text-muted);
}

.select-trigger:hover:not(:disabled) {
  border-color: var(--accent-muted);
}

.select-shell.is-open .select-trigger,
.select-trigger:focus-visible {
  color: var(--text);
  background-color: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(var(--accent-rgb) / 0.1);
}

.select-shell.is-open .select-trigger::before {
  transform: rotate(-45deg);
}

.select-shell.is-open .select-trigger::after {
  transform: rotate(45deg);
}

.select-shell.is-disabled .select-trigger {
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.58;
}

.select-shell.is-disabled .select-trigger::before,
.select-shell.is-disabled .select-trigger::after {
  background: var(--border-strong);
}

.select-shell.is-invalid .select-trigger {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgb(194 65 12 / 0.12);
}

.select-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  z-index: 60;
  display: none;
  max-height: min(280px, 42vh);
  padding: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
  scrollbar-width: thin;
  scrollbar-color: var(--accent-muted) transparent;
}

.select-shell.is-open .select-menu {
  display: block;
}

.select-shell.opens-up .select-menu {
  top: auto;
  bottom: calc(100% + 6px);
}

.select-menu::-webkit-scrollbar {
  width: 8px;
}

.select-menu::-webkit-scrollbar-track {
  background: transparent;
}

.select-menu::-webkit-scrollbar-thumb {
  background: var(--accent-muted);
  border-radius: var(--radius);
}

.select-menu::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.select-option {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 34px;
  padding: 7px 10px;
  color: var(--text);
  background: transparent;
  border-radius: 7px;
  font-size: 14px;
  line-height: 1.35;
  text-align: left;
  transition: background-color 140ms ease, color 140ms ease;
}

.select-option:hover:not(:disabled),
.select-option.is-active {
  color: var(--accent);
  background: var(--accent-soft);
}

.select-option.is-selected {
  color: #ffffff;
  background: var(--accent);
  font-weight: 700;
}

.select-option.is-selected:hover,
.select-option.is-selected.is-active {
  color: #ffffff;
  background: var(--accent-hover);
}

.select-option:disabled {
  color: var(--text-muted);
  cursor: default;
  opacity: 1;
}

input:hover:not(:disabled),
select:hover:not(:disabled),
textarea:hover:not(:disabled) {
  border-color: var(--accent-muted);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background-color: var(--surface);
  box-shadow: 0 0 0 3px rgb(var(--accent-rgb) / 0.1);
}

.calendar-row {
  display: grid;
  gap: 10px;
}

.date-picker-panel {
  min-width: 0;
}

.date-select-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.segmented-control {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.segmented-control.wide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
}

.segmented-control label {
  position: relative;
  display: block;
}

.segmented-control input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.segmented-control span {
  display: block;
  min-width: 70px;
  padding: 7px 16px;
  border-radius: 7px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 650;
  text-align: center;
  user-select: none;
  transition: all 180ms ease;
}

.segmented-control input:checked + span {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 8px rgb(var(--accent-rgb) / 0.25);
}

.segmented-control label:hover span {
  color: var(--text-soft);
}

.segmented-control label:hover input:checked + span {
  color: #ffffff;
}

.segmented-control input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.inline-field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 21px;
  gap: 12px;
}

.compact-select {
  width: auto;
  min-width: 150px;
  min-height: 36px;
  padding: 6px 38px 6px 12px;
  font-size: 13px;
  background-color: var(--surface);
}

.switch-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
}

.switch-label input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch {
  position: relative;
  width: 38px;
  height: 22px;
  background: #a0aaba;
  border-radius: 999px;
  transition: background 140ms ease;
}

.switch::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--surface);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgb(15 23 42 / 0.25);
  transition: transform 140ms ease;
}

.switch-label input:checked + .switch {
  background: var(--accent);
  box-shadow: 0 2px 6px rgb(var(--accent-rgb) / 0.3);
}

.switch-label input:checked + .switch::before {
  transform: translateX(16px);
}

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

#branchTimeFields {
  grid-template-columns: 1fr;
}

.zi-rule-panel {
  padding: 14px;
  background: var(--accent-soft);
  border: 1px solid rgb(var(--accent-rgb) / 0.12);
  border-radius: var(--radius);
}

.field-note {
  min-height: 18px;
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
}

.time-basis-field {
  margin-top: 2px;
}

.mode-panel {
  margin-top: 0;
  min-width: 0;
}

.search-field,
.key-field {
  position: relative;
  display: flex;
  align-items: center;
}

.search-field input {
  padding-right: 42px;
}

.search-field svg {
  position: absolute;
  right: 13px;
  color: var(--text-muted);
  pointer-events: none;
}

.form-error {
  min-height: 20px;
  margin-top: 12px;
  padding: 0 24px;
  color: var(--danger);
  font-size: 13px;
}

.intake-review {
  margin-top: 24px;
  padding: 20px;
  background: var(--accent-soft);
  border: 1px solid rgb(var(--accent-rgb) / 0.12);
  border-radius: var(--radius-lg);
  animation: review-reveal 300ms ease;
}

@keyframes review-reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.intake-review h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 760;
}

.review-list {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
}

.review-list dt,
.review-list dd {
  margin: 0;
  min-width: 0;
  font-size: 13px;
}

.review-list dt {
  color: var(--text-muted);
  font-weight: 700;
}

.review-list dd {
  color: var(--text);
  word-break: break-word;
}

.review-warnings {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--danger);
  font-size: 13px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}

.btn-primary,
.btn-subtle,
.btn-icon,
.btn-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: var(--radius);
  transition: all 180ms ease;
}

.btn-primary {
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  color: #ffffff;
  background: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgb(var(--accent-rgb) / 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px rgb(var(--accent-rgb) / 0.35);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  background: var(--accent-active);
  box-shadow: 0 1px 4px rgb(var(--accent-rgb) / 0.3);
  transform: translateY(0);
}

.btn-primary.compact {
  min-height: 38px;
  padding: 8px 18px;
}

.btn-subtle {
  min-height: 38px;
  padding: 8px 14px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 650;
  border-radius: var(--radius);
}

.btn-subtle:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.btn-subtle.danger {
  color: var(--danger);
}

.btn-subtle.danger:hover {
  background: var(--danger-soft);
}

.btn-icon {
  width: 38px;
  height: 38px;
  color: var(--text-soft);
  border-radius: var(--radius);
}

.btn-icon.ghost:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.btn-icon.primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 2px 6px rgb(var(--accent-rgb) / 0.25);
}

.btn-icon.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 3px 10px rgb(var(--accent-rgb) / 0.3);
}

.btn-icon.danger {
  color: #ffffff;
  background: var(--danger);
}

.btn-text {
  width: auto;
  min-height: 28px;
  padding: 4px 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  border-radius: 6px;
}

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

.chat-view {
  min-height: 100%;
}

.messages-container {
  width: min(840px, 100%);
  margin: 0 auto;
  padding: 34px 20px 150px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.message {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-width: 88%;
  animation: message-appear 300ms ease;
}

@keyframes message-appear {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.message.user {
  align-self: flex-end;
}

.message.assistant,
.message.system {
  align-self: flex-start;
  max-width: 96%;
}

.message-meta {
  padding: 0 2px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.message.user .message-meta {
  text-align: right;
}

.message-body {
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}

.message.user .message-body {
  padding: 12px 16px;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
  box-shadow: 0 2px 8px rgb(var(--accent-rgb) / 0.2);
}

.message.assistant .message-body {
  position: relative;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px;
  box-shadow: var(--shadow-sm);
}

.message.assistant .message-body.markdown-body {
  padding-right: 18px;
  padding-bottom: 16px;
  white-space: normal;
}

.message.assistant .message-body.is-typing {
  padding-right: 18px;
  padding-bottom: 16px;
}

.message-actions {
  width: fit-content;
  margin: 10px 0 0 auto;
  display: flex;
  gap: 6px;
}

.message-retry-button,
.message-copy-button {
  width: 30px;
  height: 30px;
  color: var(--text-muted);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04);
}

.message-retry-button:hover:not(:disabled),
.message-copy-button:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-muted);
}

.message-retry-button:hover:disabled {
  color: var(--text-muted);
  background: var(--surface-soft);
  border-color: var(--border);
}

.message-copy-button.is-success {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.message-copy-button.is-error {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #fed7aa;
}

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

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

.message.assistant .markdown-body > :nth-last-child(2) {
  margin-bottom: 0;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body .markdown-table-scroll {
  margin: 0 0 14px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin: 18px 0 10px;
  color: var(--text);
  font-weight: 760;
  line-height: 1.35;
  letter-spacing: 0;
}

.markdown-body h1 {
  font-size: 22px;
}

.markdown-body h2 {
  font-size: 20px;
}

.markdown-body h3 {
  font-size: 18px;
}

.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  font-size: 16px;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.45em;
}

.markdown-body li + li {
  margin-top: 5px;
}

.markdown-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.markdown-body a:hover {
  color: var(--accent-hover);
}

.markdown-body strong {
  font-weight: 760;
}

.markdown-body code {
  padding: 2px 6px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgb(var(--accent-rgb) / 0.1);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.92em;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  line-height: 1.65;
  white-space: pre;
}

.markdown-body pre code {
  display: block;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  white-space: pre;
}

.markdown-body blockquote {
  padding: 2px 0 2px 14px;
  color: var(--text-soft);
  border-left: 3px solid var(--border-strong);
}

.markdown-body blockquote > :last-child {
  margin-bottom: 0;
}

.markdown-body hr {
  height: 1px;
  margin: 18px 0;
  background: var(--border);
  border: 0;
}

.markdown-table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.markdown-body table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.55;
}

.markdown-body th,
.markdown-body td {
  padding: 9px 10px;
  border: 1px solid var(--border);
  vertical-align: top;
}

.markdown-body th {
  background: var(--surface-muted);
  font-weight: 720;
}

.markdown-body td {
  background: var(--surface);
}

.message.system .message-body {
  padding: 14px 16px;
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid #fed7aa;
  border-radius: var(--radius-lg);
  font-size: 14px;
}

.composer-wrapper {
  position: absolute;
  right: 0;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  left: 0;
  z-index: 12;
  display: flex;
  justify-content: center;
  padding: 0 18px;
  pointer-events: none;
}

.composer {
  pointer-events: auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  width: min(800px, 100%);
  padding: 10px 10px 10px 16px;
  background: rgba(255, 255, 255, 0.96);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(20px);
}

.composer textarea {
  min-height: 38px;
  max-height: 180px;
  padding: 8px 6px;
  resize: none;
  overflow-y: hidden;
  border: 0;
  background: transparent;
  font-size: 15px;
  line-height: 1.55;
}

.composer textarea:focus {
  box-shadow: none;
}

.composer-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 1px;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 22px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: typing-bounce 1.2s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
  animation-delay: -0.24s;
}

.typing-indicator span:nth-child(2) {
  animation-delay: -0.12s;
}

@keyframes typing-bounce {
  0%,
  80%,
  100% {
    transform: scale(0.5);
    opacity: 0.45;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease, transform 200ms ease,
    display 200ms allow-discrete, overlay 200ms allow-discrete;
}

.dialog[open] {
  opacity: 1;
  transform: translateY(0);
}

@starting-style {
  .dialog[open] {
    opacity: 0;
    transform: translateY(8px);
  }
}

.dialog::backdrop {
  background: rgba(0, 20, 60, 0);
  backdrop-filter: blur(0);
  transition: background-color 200ms ease, backdrop-filter 200ms ease,
    display 200ms allow-discrete, overlay 200ms allow-discrete;
}

.dialog[open]::backdrop {
  background: rgba(0, 20, 60, 0.4);
  backdrop-filter: blur(8px);
}

@starting-style {
  .dialog[open]::backdrop {
    background: rgba(0, 20, 60, 0);
    backdrop-filter: blur(0);
  }
}

.dialog-content {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}

.dialog-header,
.dialog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
}

.dialog-header {
  border-bottom: 1px solid var(--border);
}

.dialog-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dialog-title span {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.dialog-title h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}

.dialog-body {
  padding: 18px;
}

.history-dialog {
  width: min(560px, calc(100vw - 32px));
}

.history-body {
  max-height: min(62vh, 560px);
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-muted) transparent;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 8px;
  min-width: 0;
}

.history-open-button {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 14px;
  color: var(--text);
  text-align: left;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 180ms ease;
}

.history-open-button:hover {
  background: var(--accent-soft);
  border-color: var(--accent-muted);
  box-shadow: var(--shadow-sm);
}

.history-title,
.history-meta,
.history-preview {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-title {
  font-size: 14px;
  font-weight: 720;
}

.history-meta {
  color: var(--text-muted);
  font-size: 12px;
}

.history-preview {
  color: var(--text-soft);
  font-size: 13px;
}

.history-delete-button {
  align-self: center;
  flex: 0 0 auto;
}

.history-delete-button:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.history-empty {
  margin: 0;
  padding: 28px 12px;
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
}

.key-field input {
  padding-right: 58px;
}

.key-field .btn-text {
  position: absolute;
  right: 8px;
}

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

.dialog-footer {
  background: var(--surface-soft);
  border-top: 1px solid var(--border);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
}

::selection {
  color: #ffffff;
  background: var(--accent);
}

@media (max-width: 760px) {
  .header {
    min-height: 60px;
    padding: 0 14px;
  }

  .brand {
    gap: 9px;
  }

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

  .brand-logo img {
    width: 40px;
    height: 40px;
  }

  .brand-text {
    gap: 6px;
  }

  .brand-text h1 {
    font-size: 18px;
  }

  .brand-text p {
    font-size: 12px;
  }

  .intake-view {
    padding: 24px 14px 44px;
  }

  .intake-view::before {
    opacity: 0;
  }

  .intake-view::after {
    top: 70px;
    right: -286px;
    width: 430px;
    min-width: 430px;
    opacity: 0.42;
  }

  .form-heading {
    margin-bottom: 20px;
  }

  .form-section {
    padding: 18px 16px;
    border-radius: var(--radius);
  }

  .section-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .inline-field-label {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .compact-select {
    width: 100%;
  }

  .select-shell.is-compact {
    width: 100%;
  }

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

  .segmented-control span {
    min-width: 0;
  }

  .two-columns,
  .four-columns {
    grid-template-columns: 1fr;
  }

  .review-list {
    grid-template-columns: 1fr;
  }

  .review-list dt {
    margin-top: 4px;
  }

  .messages-container {
    padding: 24px 14px 132px;
  }

  .message,
  .message.assistant,
  .message.system {
    max-width: 100%;
  }

  .composer-wrapper {
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    padding: 0 12px;
  }

  .form-error {
    padding: 0 16px;
  }

  .composer {
    padding: 8px 8px 8px 12px;
  }

  .form-actions {
    padding: 0;
  }
}