:root {
  color-scheme: light;
  --canvas: #f4f5f3;
  --paper: #ffffff;
  --ink: #131820;
  --muted: #667085;
  --line: #d7dce2;
  --line-strong: #bbc3ce;
  --blue: #2159f3;
  --blue-dark: #1846c7;
  --blue-soft: #eaf0ff;
  --green: #216b4b;
  --green-soft: #e8f3ec;
  --amber: #c96b14;
  --amber-soft: #fff1e3;
  --rail: #101820;
  --radius: 6px;
  --focus: 0 0 0 3px rgba(33, 89, 243, 0.2);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

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

button {
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

[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;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 104px;
  z-index: 1000;
  padding: 10px 14px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  background: var(--paper);
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 0;
  box-shadow: var(--focus);
}

.view h1[tabindex="-1"]:focus-visible,
.view h2[tabindex="-1"]:focus-visible {
  box-shadow: none;
}

.app-shell {
  min-height: 100vh;
  padding-left: 88px;
}

.app-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  display: flex;
  width: 88px;
  flex-direction: column;
  align-items: center;
  gap: 44px;
  padding: 24px 12px;
  background: var(--rail);
  color: var(--paper);
}

.rail-brand {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.app-rail nav {
  display: grid;
  width: 100%;
  gap: 14px;
}

.app-rail nav a {
  display: grid;
  min-height: 54px;
  place-items: center;
  gap: 2px;
  border-radius: 4px;
  color: #8d98a7;
  font-size: 12px;
}

.app-rail nav a span {
  font-size: 18px;
  line-height: 1;
}

.app-rail nav a b {
  font-weight: 600;
}

.app-rail nav a:hover,
.app-rail nav a:focus-visible,
.app-rail nav a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
}

.view {
  min-height: 100vh;
  background: var(--paper);
}

.view[hidden] {
  display: none;
}

.flow-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  min-height: 80px;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 0 40px 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: none;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 4px;
  background: var(--blue);
  color: var(--paper);
  font-size: 12px;
  font-weight: 800;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 20px;
  font-weight: 750;
}

.brand-copy small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.flow-stepper {
  counter-reset: flow-step;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-stepper li {
  counter-increment: flow-step;
  position: relative;
  display: flex;
  min-width: 64px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

.flow-stepper li::before {
  content: counter(flow-step);
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  border-radius: 50%;
  background: var(--canvas);
  color: var(--muted);
  font-size: 12px;
}

.flow-stepper li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 12px;
  left: calc(100% + 8px);
  width: 24px;
  height: 1px;
  background: var(--line);
}

.flow-stepper li.active {
  color: var(--blue);
}

.flow-stepper li.active::before {
  background: var(--blue);
  color: var(--paper);
}

.flow-stepper li.done::before {
  background: var(--green-soft);
  color: var(--green);
}

.flow-exit,
.header-button {
  justify-self: end;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
}

.flow-exit:hover,
.flow-exit:focus-visible {
  color: var(--blue);
}

.header-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
}

.header-button:hover {
  border-color: var(--line-strong);
  background: var(--canvas);
}

.home-layout,
.workspace-layout,
.confirm-layout,
.result-layout {
  width: min(100%, 1352px);
  margin: 0 auto;
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 840px) 400px;
  gap: 32px;
  padding: 44px 40px 40px;
}

.home-primary {
  min-width: 0;
}

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

.home-heading h1,
.question-heading h1,
.confirm-heading h1,
.result-titlebar h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 760;
  line-height: 1.3;
  letter-spacing: 0;
}

.home-heading p,
.question-heading p,
.confirm-heading > p:last-child {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.composer-card,
.home-blueprint,
.recent-work,
.blueprint-panel,
.confirmation-fields,
.confirm-side > section,
.result-document,
.result-side-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.composer-card {
  position: relative;
  overflow: hidden;
}

.composer-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.composer-topline label {
  font-size: 14px;
  font-weight: 700;
}

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

#brief-input {
  display: block;
  width: calc(100% - 48px);
  min-height: 184px;
  resize: vertical;
  padding: 26px 0;
  margin: 0 24px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-size: 16px;
  line-height: 1.7;
}

#brief-input::placeholder,
#answer-custom::placeholder {
  color: #7b8796;
  opacity: 1;
}

#brief-input:focus-visible {
  box-shadow: none;
}

.brief-hint {
  padding: 14px 24px 18px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.task-selector {
  padding: 24px 0 20px;
  border-top: 1px solid var(--line);
}

.task-selector > span {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 700;
}

.task-selector > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.task-selector button {
  min-width: 0;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
}

.task-selector button:hover,
.task-selector button:focus-visible,
.task-selector button[aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.composer-footer {
  display: grid;
  min-height: 84px;
  grid-template-columns: minmax(210px, 1fr) minmax(220px, auto) 168px;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--canvas);
}

.model-control {
  min-width: 0;
}

.model-control > span {
  display: grid;
  gap: 4px;
}

.model-control small {
  color: var(--muted);
  font-size: 12px;
}

.model-control select,
.confirmation-model select {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.model-control select:focus-visible,
.confirmation-model select:focus-visible {
  border-radius: 3px;
  box-shadow: var(--focus);
}

.composer-footer > p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.primary-action,
.button-primary,
.button-secondary,
.refine-button,
.feedback-submit {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.primary-action,
.button-primary {
  background: var(--blue);
  color: var(--paper);
}

.primary-action:hover,
.button-primary:hover {
  background: var(--blue-dark);
}

.primary-action:disabled,
.button-primary:disabled,
.button-secondary:disabled,
.refine-button:disabled,
.feedback-submit:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button-secondary {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--line-strong);
  background: var(--canvas);
}

.build-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.98);
}

.build-head,
.build-status {
  display: flex;
  align-items: center;
  gap: 14px;
}

.build-head {
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
}

.build-head button {
  padding: 6px 8px;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-size: 12px;
}

.blueprint-stage {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.blueprint-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.blueprint-stage path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.build-node,
.blueprint-core {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
}

.build-node {
  width: 56px;
  height: 56px;
  color: var(--muted);
  font-size: 12px;
}

.node-a { top: 18px; left: 34px; }
.node-b { bottom: 18px; left: 48px; }
.node-c { top: 14px; right: 40px; }
.node-d { right: 30px; bottom: 18px; }
.node-e { bottom: 0; left: calc(50% - 28px); }

.blueprint-core {
  top: calc(50% - 52px);
  left: calc(50% - 52px);
  width: 104px;
  height: 104px;
  border-color: var(--blue);
  color: var(--blue);
  font-size: 13px;
  text-align: center;
}

.blueprint-core i {
  position: absolute;
  inset: 10px;
  border: 1px solid var(--blue-soft);
  border-radius: 50%;
}

.build-status > span {
  min-width: 176px;
  color: var(--muted);
  font-size: 12px;
}

.progress-track {
  flex: 1;
  height: 4px;
  overflow: hidden;
  border-radius: 2px;
  background: var(--canvas);
}

.progress-track i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--blue);
}

.build-status b {
  width: 42px;
  font-size: 12px;
  text-align: right;
}

.home-blueprint {
  align-self: start;
  min-height: 566px;
  padding: 0 24px;
}

.home-blueprint header,
.recent-heading,
.panel-heading,
.side-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.home-blueprint header {
  min-height: 64px;
  border-bottom: 1px solid var(--line);
}

.home-blueprint h2,
.recent-heading h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.home-blueprint header span,
.recent-heading span {
  color: var(--muted);
  font-size: 12px;
}

.home-blueprint dl {
  margin: 0;
}

.home-blueprint dl > div {
  display: grid;
  min-height: 64px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.home-blueprint dl > div:last-child {
  border-bottom: 0;
}

.home-blueprint dt {
  font-size: 16px;
}

.home-blueprint dd {
  margin: 0;
  color: var(--amber);
  font-size: 14px;
  font-weight: 700;
}

.home-blueprint dd.is-ready {
  color: var(--green);
}

.recent-work {
  margin-top: 40px;
  padding: 20px 24px 24px;
}

.recent-heading {
  min-height: 36px;
}

.recent-columns,
.recent-item {
  display: grid;
  grid-template-columns: minmax(0, 2.6fr) minmax(80px, 1fr) minmax(130px, 1.7fr) minmax(96px, 1fr);
  align-items: center;
  gap: 20px;
}

.recent-columns {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.recent-item {
  min-height: 62px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.recent-item:last-child {
  border-bottom: 0;
}

.recent-item strong {
  min-width: 0;
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.recent-item b {
  color: var(--green);
  font-size: 13px;
}

.recent-empty {
  padding: 24px 0 8px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 820px) 420px;
  gap: 32px;
  padding: 44px 40px 56px;
}

.question-area {
  min-width: 0;
}

.question-heading > span,
.section-kicker {
  display: block;
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.question-heading {
  margin-bottom: 32px;
}

.answer-options {
  display: grid;
  gap: 16px;
}

.answer-option {
  display: flex;
  width: 100%;
  min-height: 68px;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  text-align: left;
}

.answer-option:hover,
.answer-option.selected {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.answer-option > i {
  display: block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid var(--muted);
  border-radius: 50%;
  background: var(--canvas);
}

.answer-option.selected > i {
  border: 5px solid var(--blue);
  background: var(--paper);
}

.answer-option > span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.answer-option strong {
  font-size: 16px;
  font-weight: 650;
}

.answer-option small {
  color: var(--muted);
  font-size: 13px;
}

.custom-answer {
  display: grid;
  gap: 12px;
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.custom-answer > span {
  font-size: 14px;
  font-weight: 700;
}

#answer-custom {
  width: 100%;
  min-height: 64px;
  resize: vertical;
  padding: 0;
  border: 0;
  background: transparent;
}

#answer-custom:focus-visible {
  box-shadow: none;
}

.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
}

.question-actions .button-secondary {
  min-width: 120px;
}

.question-actions .button-primary {
  min-width: 152px;
}

.blueprint-panel {
  align-self: start;
  overflow: hidden;
}

.panel-heading {
  min-height: 74px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
}

.panel-heading > div {
  display: grid;
  gap: 3px;
}

.panel-heading span {
  font-size: 20px;
  font-weight: 750;
}

.panel-heading small,
.panel-heading strong {
  color: var(--muted);
  font-size: 12px;
}

.panel-heading strong {
  color: var(--blue);
}

.blueprint-list {
  padding: 0 24px;
}

.blueprint-list > div {
  display: grid;
  min-height: 70px;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.blueprint-list span {
  font-size: 14px;
}

.blueprint-list strong {
  min-width: 0;
  overflow: hidden;
  font-size: 14px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blueprint-list i {
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

.blueprint-list .pending {
  color: var(--amber);
}

.blueprint-list .confirmed,
.blueprint-list .ok {
  color: var(--green);
}

.blueprint-list .auto {
  color: var(--blue);
}

.panel-note {
  padding: 18px 24px 22px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.confirm-layout {
  display: grid;
  grid-template-columns: minmax(0, 860px) 380px;
  gap: 32px;
  padding: 44px 40px 64px;
}

.confirm-main {
  min-width: 0;
}

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

.confirmation-fields {
  overflow: hidden;
}

.confirmation-fields article {
  display: grid;
  min-height: 92px;
  grid-template-columns: 132px minmax(0, 1fr) 88px;
  align-items: start;
  gap: 18px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

.confirmation-fields article:last-child {
  border-bottom: 0;
}

.confirmation-fields article > span {
  padding-top: 12px;
  font-size: 14px;
  font-weight: 700;
}

.confirmation-fields article > textarea,
.parameter-fields input {
  width: 100%;
  min-width: 0;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--canvas);
}

.confirmation-fields article > textarea {
  min-height: 58px;
  resize: vertical;
  padding: 14px 16px;
  line-height: 1.6;
}

.confirmation-fields article > textarea:hover,
.parameter-fields input:hover {
  border-color: var(--line-strong);
}

.confirmation-fields article > textarea:focus-visible,
.parameter-fields input:focus-visible {
  border-color: var(--blue);
  box-shadow: var(--focus);
}

.confirmation-fields article > strong {
  padding-top: 12px;
  font-size: 15px;
}

.confirmation-fields article > small {
  justify-self: end;
  padding-top: 13px;
  color: var(--muted);
  font-size: 12px;
}

.parameter-fields {
  display: grid;
  gap: 12px;
}

.parameter-fields label {
  display: grid;
  grid-template-columns: minmax(96px, 0.35fr) minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.parameter-fields label > span {
  color: var(--muted);
  font-size: 12px;
}

.parameter-fields input {
  min-height: 42px;
  padding: 0 12px;
}

.confirm-side {
  display: grid;
  align-self: start;
  gap: 24px;
}

.confirm-side > section,
.result-side-card {
  padding: 20px;
}

.side-title {
  gap: 16px;
  margin-bottom: 18px;
}

.side-title span {
  font-size: 14px;
  font-weight: 750;
}

.side-title b {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.confirmation-model {
  display: grid;
  gap: 12px;
}

.confirmation-model-copy {
  display: grid;
  gap: 4px;
}

.confirmation-model strong,
.result-model-card strong {
  display: block;
  font-size: 20px;
  line-height: 1.35;
}

.confirmation-model small,
.result-model-card small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.confirmation-model label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.confirmation-model select {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.quality-panel ul,
.result-quality,
.refinement-assurances {
  padding: 0;
  margin: 0;
  list-style: none;
}

.quality-panel li,
.result-quality li {
  display: grid;
  min-height: 48px;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.quality-panel li > i,
.result-quality li > i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.quality-panel li > span,
.result-quality li > span {
  display: grid;
  min-width: 0;
}

.quality-panel li strong,
.result-quality li strong {
  font-size: 14px;
}

.quality-panel li small,
.result-quality li small {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quality-panel li > b,
.result-quality li > b {
  color: var(--green);
  font-size: 12px;
}

.quality-panel li.warning > i,
.result-quality li.warning > i,
.quality-panel li.quality-warn > i,
.result-quality li.quality-warn > i {
  background: var(--amber);
}

.quality-panel li.warning > b,
.result-quality li.warning > b,
.quality-panel li.quality-warn > b,
.result-quality li.quality-warn > b {
  color: var(--amber);
}

.quality-panel li.blocked > i,
.result-quality li.blocked > i,
.quality-panel li.quality-block > i,
.result-quality li.quality-block > i {
  background: #b42318;
}

.quality-panel li.blocked > b,
.result-quality li.blocked > b,
.quality-panel li.quality-block > b,
.result-quality li.quality-block > b {
  color: #b42318;
}

.confirm-actions {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 16px;
}

.cost-note {
  margin: -8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

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

.result-header-actions {
  justify-self: end;
  gap: 18px;
}

.result-status {
  gap: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
}

.result-status i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 890px) 352px;
  gap: 30px;
  padding: 44px 40px 64px;
}

.result-document {
  display: grid;
  min-width: 0;
  align-self: start;
  grid-template-rows: auto auto minmax(320px, 1fr) auto;
  overflow: hidden;
}

.result-titlebar {
  display: flex;
  min-height: 102px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
}

.result-meta {
  display: flex;
  max-width: 450px;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 20px;
}

.result-meta > span {
  color: var(--muted);
  font-size: 12px;
}

.result-meta b {
  display: inline-block;
  max-width: 180px;
  margin-left: 4px;
  overflow: hidden;
  color: var(--ink);
  text-overflow: ellipsis;
  vertical-align: bottom;
  white-space: nowrap;
}

.prompt-version-switcher {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 12px 28px 0;
}

.prompt-version-switcher button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

.prompt-version-switcher button[aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
}

.result-prompt {
  width: 100%;
  min-width: 0;
  min-height: 420px;
  max-height: calc(100vh - 330px);
  overflow: auto;
  padding: 26px 28px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}

.result-document-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px 20px;
  border-top: 1px solid var(--line);
}

.result-document-actions .button-primary {
  min-width: 180px;
}

.result-document-actions .button-secondary {
  min-width: 128px;
}

.result-sidebar {
  display: grid;
  align-self: start;
  gap: 24px;
}

.refinement-card {
  border-color: var(--rail);
  background: var(--rail);
  color: var(--paper);
}

.refinement-card .side-title b,
.refinement-intro,
.refinement-note,
.refinement-billing {
  color: #c6ced8;
}

.refinement-intro,
.refinement-note,
.refinement-billing,
.feedback-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

.refinement-intro {
  margin-bottom: 16px;
  font-size: 14px;
}

.refinement-assurances {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  color: #dbe1e7;
  font-size: 12px;
}

.refinement-assurances li::before {
  content: "•";
  margin-right: 8px;
  color: #b8ef43;
}

.refine-button {
  width: 100%;
  min-height: 42px;
  margin-bottom: 12px;
  border-color: rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--paper);
}

.refine-button:not(:disabled):hover {
  border-color: #b8ef43;
  color: #b8ef43;
}

.refinement-card[data-state="success"] .side-title b {
  color: #b8ef43;
}

.refinement-card[data-state="error"] .side-title b {
  color: #ffcc9e;
}

.refinement-billing {
  margin-top: 8px;
}

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

.feedback-options button,
.feedback-reasons button {
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
  font-size: 12px;
}

.feedback-options button[aria-pressed="true"],
.feedback-reasons button[aria-checked="true"] {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
}

.feedback-reasons {
  margin-top: 18px;
}

.feedback-reasons > span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.feedback-reasons > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.feedback-submit {
  width: 100%;
  min-height: 42px;
  margin-top: 10px;
  background: var(--blue);
  color: var(--paper);
}

.feedback-note {
  margin-top: 14px;
  color: var(--muted);
}

.result-model-card {
  min-width: 0;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--rail);
  color: var(--paper);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .flow-header {
    grid-template-columns: minmax(180px, 1fr) auto minmax(120px, 1fr);
    padding-right: 28px;
  }

  .flow-stepper {
    gap: 20px;
  }

  .flow-stepper li {
    min-width: 56px;
  }

  .flow-stepper li:not(:last-child)::after {
    display: none;
  }

  .home-layout,
  .workspace-layout,
  .confirm-layout,
  .result-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    padding-right: 28px;
    padding-left: 28px;
  }

  .composer-footer {
    grid-template-columns: minmax(180px, 1fr) 160px;
  }

  .composer-footer > p {
    display: none;
  }

  .confirmation-fields article {
    grid-template-columns: 112px minmax(0, 1fr) 76px;
    gap: 12px;
    padding-right: 18px;
    padding-left: 18px;
  }
}

@media (max-width: 900px) {
  .app-shell {
    padding-left: 0;
  }

  .app-rail {
    display: none;
  }

  .skip-link {
    left: 16px;
  }

  .flow-header {
    min-height: 58px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 0 16px;
  }

  .brand {
    gap: 12px;
  }

  .brand-mark {
    display: grid;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy small {
    display: none;
  }

  .flow-stepper {
    display: none;
  }

  .flow-exit,
  .header-button {
    font-size: 12px;
  }

  .result-header-actions {
    gap: 10px;
  }

  .result-status {
    font-size: 12px;
  }

  .result-header-actions .header-button {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    padding: 0 10px;
  }

  .home-layout,
  .workspace-layout,
  .confirm-layout,
  .result-layout {
    display: block;
    width: 100%;
    padding: 26px 16px 48px;
  }

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

  .home-heading h1,
  .question-heading h1,
  .confirm-heading h1,
  .result-titlebar h1 {
    font-size: 28px;
    line-height: 1.25;
  }

  .home-heading p,
  .question-heading p,
  .confirm-heading > p:last-child {
    font-size: 15px;
  }

  .composer-topline {
    padding: 16px 16px 0;
  }

  #brief-input {
    width: calc(100% - 32px);
    min-height: 172px;
    padding: 20px 0;
    margin: 0 16px;
    line-height: 1.6;
  }

  .brief-hint {
    padding: 12px 16px 16px;
  }

  .task-selector {
    padding: 22px 0 20px;
  }

  .task-selector > div {
    gap: 8px;
  }

  .task-selector button {
    min-height: 40px;
    padding: 0 4px;
    font-size: 12px;
  }

  .composer-footer {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 14px 16px;
  }

  .composer-footer > p {
    display: block;
    text-align: left;
  }

  .primary-action {
    width: 100%;
  }

  .build-overlay {
    padding: 16px;
  }

  .blueprint-stage {
    min-height: 190px;
  }

  .build-node {
    width: 48px;
    height: 48px;
  }

  .blueprint-core {
    top: calc(50% - 44px);
    left: calc(50% - 44px);
    width: 88px;
    height: 88px;
  }

  .build-status > span {
    min-width: 132px;
  }

  .home-blueprint {
    min-height: auto;
    padding: 0 16px;
    margin-top: 20px;
  }

  .home-blueprint header {
    min-height: 54px;
  }

  .home-blueprint h2,
  .recent-heading h2 {
    font-size: 16px;
  }

  .home-blueprint dl > div {
    min-height: 54px;
  }

  .home-blueprint dt {
    font-size: 14px;
  }

  .home-blueprint dd {
    font-size: 12px;
  }

  .recent-work {
    padding: 16px;
    margin-top: 20px;
  }

  .recent-columns {
    display: none;
  }

  .recent-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 16px;
    padding: 12px 0;
  }

  .recent-item strong {
    grid-column: 1;
  }

  .recent-item span:nth-of-type(1) {
    grid-column: 1;
  }

  .recent-item span:nth-of-type(2) {
    display: none;
  }

  .recent-item b {
    grid-row: 1 / 3;
    grid-column: 2;
  }

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

  .answer-options {
    gap: 12px;
  }

  .answer-option {
    min-height: 58px;
    padding: 12px 16px;
  }

  .answer-option strong {
    font-size: 15px;
  }

  .answer-option small {
    font-size: 12px;
  }

  .custom-answer {
    margin-top: 22px;
    padding: 14px 16px;
  }

  .question-actions {
    display: grid;
    grid-template-columns: 106px minmax(0, 1fr);
    margin-top: 26px;
  }

  .question-actions .button-secondary,
  .question-actions .button-primary {
    min-width: 0;
    width: 100%;
  }

  .blueprint-panel {
    margin-top: 20px;
  }

  .panel-heading {
    min-height: 58px;
    padding: 0 16px;
  }

  .panel-heading span {
    font-size: 16px;
  }

  .blueprint-list {
    padding: 0 16px;
  }

  .blueprint-list > div {
    min-height: 58px;
    grid-template-columns: 82px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .blueprint-list span,
  .blueprint-list strong {
    font-size: 12px;
  }

  .panel-note {
    padding: 14px 16px 18px;
  }

  .confirm-heading {
    margin-bottom: 22px;
  }

  .confirmation-fields article {
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
    padding: 14px 16px;
  }

  .confirmation-fields article > span {
    padding-top: 0;
    color: var(--muted);
    font-size: 12px;
  }

  .confirmation-fields article > textarea,
  .confirmation-fields article > strong,
  .parameter-fields {
    grid-row: 2;
    grid-column: 1 / -1;
  }

  .confirmation-fields article > textarea {
    min-height: 62px;
  }

  .confirmation-fields article > small {
    padding-top: 0;
  }

  .parameter-fields label {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .confirm-side {
    margin-top: 20px;
  }

  .confirm-layout {
    padding-bottom: 112px;
  }

  .confirm-side > section,
  .result-side-card {
    padding: 16px;
  }

  .confirm-actions {
    position: fixed;
    right: 16px;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: 16px;
    z-index: 45;
    grid-template-columns: 92px minmax(0, 1fr);
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
  }

  .cost-note {
    margin-top: 10px;
  }

  .result-layout {
    padding-top: 20px;
  }

  .result-document {
    grid-template-rows: auto auto minmax(300px, 1fr) auto;
  }

  .result-titlebar {
    display: block;
    min-height: auto;
    padding: 18px 16px;
  }

  .result-meta {
    justify-content: flex-start;
    margin-top: 8px;
  }

  .result-meta > span:first-child {
    display: none;
  }

  .result-meta b {
    max-width: 230px;
  }

  .prompt-version-switcher {
    padding: 10px 16px 0;
  }

  .result-prompt {
    min-height: 420px;
    max-height: 520px;
    padding: 20px 16px;
    font-size: 14px;
    line-height: 1.7;
  }

  .result-document-actions {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    padding: 14px 16px 16px;
  }

  .result-document-actions .button-primary,
  .result-document-actions .button-secondary {
    min-width: 0;
    width: 100%;
  }

  .result-sidebar {
    margin-top: 20px;
  }

  .feedback-reasons > div {
    grid-template-columns: 1fr;
  }

  .toast {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 420px) {
  .task-selector button {
    font-size: 11px;
  }

  .build-status > span {
    display: none;
  }

  .result-status span {
    display: none;
  }
}

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

/* Modern adaptive creation workspace */
:root {
  --modern-canvas: #f3f5f7;
  --modern-paper: #ffffff;
  --modern-ink: #171a20;
  --modern-muted: #667085;
  --modern-line: #d9dee7;
  --modern-blue: #2f63e9;
  --modern-blue-soft: #edf3ff;
  --modern-teal: #239d7b;
  --modern-teal-soft: #eaf8f4;
  --modern-yellow: #e9a91c;
  --modern-yellow-soft: #fff7e5;
  --modern-coral: #ed6557;
  --modern-coral-soft: #fff0ed;
  --modern-shadow: 0 8px 28px rgba(28, 39, 58, 0.08);
}

.app-shell {
  padding-left: 0;
}

.modern-home {
  min-height: 100vh;
  padding-bottom: 108px;
  background: var(--modern-canvas);
  color: var(--modern-ink);
}

.modern-topbar {
  position: sticky;
  top: 0;
  z-index: 45;
  display: grid;
  min-height: 60px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 28px;
  border-bottom: 1px solid rgba(217, 222, 231, 0.82);
  background: rgba(255, 255, 255, 0.97);
}

.modern-brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
}

.modern-brand > span:last-child {
  display: grid;
  line-height: 1.14;
}

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

.modern-brand small {
  margin-top: 3px;
  color: var(--modern-muted);
  font-size: 10px;
}

.modern-brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.modern-brand-mark i {
  display: block;
  border-radius: 3px;
  background: var(--modern-blue);
}

.modern-brand-mark i:nth-child(2) { background: var(--modern-yellow); }
.modern-brand-mark i:nth-child(3) { background: var(--modern-coral); }
.modern-brand-mark i:nth-child(4) { background: var(--modern-teal); }

.project-switcher {
  display: grid;
  min-height: 38px;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: 1px solid var(--modern-line);
  border-radius: 6px;
  background: var(--modern-paper);
}

.project-switcher span,
.project-switcher i {
  color: var(--modern-muted);
  font-size: 12px;
  font-style: normal;
}

.project-switcher b { font-size: 14px; }

.modern-tools {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 8px;
}

.autosave-state {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
  color: var(--modern-muted);
  font-size: 12px;
}

.autosave-state i,
.home-ready-label i {
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--modern-teal);
}

.icon-tool {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 4px;
  background: transparent;
  font-weight: 750;
}

.icon-tool:hover { background: #eef1f5; }

.user-avatar {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-left: 4px;
  border-radius: 50%;
  background: var(--modern-blue-soft);
  color: var(--modern-blue);
  font-size: 12px;
  font-weight: 800;
}

.modern-home-grid {
  display: grid;
  width: min(calc(100% - 40px), 1440px);
  grid-template-columns: minmax(0, 2.05fr) minmax(340px, 1fr);
  gap: 16px;
  padding: 18px 0 0;
  margin: 0 auto;
}

.modern-composer,
.modern-assistant,
.home-output-blueprint {
  min-width: 0;
  border: 1px solid rgba(217, 222, 231, 0.9);
  border-radius: 8px;
  background: var(--modern-paper);
  box-shadow: var(--modern-shadow);
}

.modern-composer { padding: 20px; }
.modern-assistant { overflow: hidden; background: #f9fafc; }
.home-output-blueprint { grid-column: 1 / -1; padding: 18px 20px; }

.modern-eyebrow {
  margin: 0 0 4px;
  color: var(--modern-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.modern-home h1,
.modern-home h2,
.modern-home h3,
.modern-home p { letter-spacing: 0; }
.modern-home h1 { margin: 0; font-size: 26px; line-height: 1.25; }
.modern-home h2 { margin: 0; font-size: 18px; }
.modern-home h3 { margin: 0; font-size: 14px; }

.modern-composer-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--modern-line);
}

.home-task-tabs {
  display: flex;
  min-width: 388px;
  overflow: hidden;
  border: 1px solid var(--modern-line);
  border-radius: 6px;
}

.home-task-tabs button {
  min-width: 96px;
  min-height: 42px;
  border-right: 1px solid var(--modern-line);
  background: var(--modern-paper);
  font-weight: 650;
}

.home-task-tabs button:last-child { border-right: 0; }
.home-task-tabs button:hover { background: #f7f9fc; }
.home-task-tabs button.active,
.home-task-tabs button[aria-selected="true"] { background: var(--modern-blue); color: #fff; }

.modern-editor-toolbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 16px 4px 8px;
  color: var(--modern-muted);
  font-size: 12px;
}

.modern-editor-toolbar > span:first-child { color: var(--modern-ink); font-weight: 750; }
.modern-editor-toolbar > span:first-child i {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 2px;
  background: var(--modern-blue);
}

.modern-editor-toolbar button {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 4px;
  background: var(--modern-blue-soft);
  color: var(--modern-blue);
  font-size: 12px;
  font-weight: 700;
}

.modern-home #brief-input {
  width: 100%;
  min-height: 230px;
  resize: vertical;
  padding: 14px 16px 6px;
  border: 0;
  border-radius: 6px 6px 0 0;
  outline: 1px solid var(--modern-line);
  background: #fcfdff;
  font-size: 15px;
  line-height: 1.9;
}

.modern-home #brief-input:focus { outline: 2px solid rgba(47, 99, 233, 0.55); }

.modern-editor-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  min-height: 34px;
  padding: 5px 12px 9px;
  border-radius: 0 0 6px 6px;
  outline: 1px solid var(--modern-line);
  background: #fcfdff;
  color: var(--modern-muted);
  font-size: 11px;
}

.modern-editor-meta p { flex: 1; margin: 0; }
.modern-editor-meta button { padding: 3px; background: transparent; color: var(--modern-muted); font-size: 11px; }

.home-knowledge-patterns {
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--modern-line);
}

.home-knowledge-heading,
.home-knowledge-heading > div {
  display: flex;
  align-items: center;
  gap: 7px;
}

.home-knowledge-heading { justify-content: space-between; margin-bottom: 10px; }
.home-knowledge-heading i { width: 8px; height: 8px; border-radius: 2px; background: var(--modern-blue); }
.home-knowledge-heading strong { font-size: 12px; }
.home-knowledge-heading span { color: var(--modern-muted); font-size: 10px; }

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

.home-knowledge-list button {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 62px;
  align-content: center;
  gap: 4px;
  padding: 10px 12px 10px 16px;
  overflow: hidden;
  border: 1px solid var(--modern-line);
  border-radius: 6px;
  background: #fbfcfe;
  color: var(--modern-ink);
  text-align: left;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.home-knowledge-list button::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--modern-blue);
  content: "";
}

.home-knowledge-list button:nth-child(2)::before { background: var(--modern-coral); }
.home-knowledge-list button:nth-child(3)::before { background: var(--modern-yellow); }
.home-knowledge-list button:nth-child(4)::before { background: var(--modern-teal); }
.home-knowledge-list button:hover { transform: translateY(-1px); border-color: #aebbd0; background: #fff; }
.home-knowledge-list button.active { border-color: var(--modern-blue); background: #f2f6ff; box-shadow: inset 0 0 0 1px rgba(47, 99, 233, 0.12); }
.home-knowledge-list strong { font-size: 12px; }
.home-knowledge-list span { overflow: hidden; color: var(--modern-muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }

.modern-assets {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--modern-line);
}

.modern-section-label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: 12px;
}

.modern-section-label i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--modern-teal);
}

.modern-section-label span {
  flex-basis: 100%;
  padding-left: 15px;
  color: var(--modern-muted);
}

.modern-asset-strip { display: flex; align-items: center; gap: 10px; min-width: 0; }

.modern-asset-strip.is-dragging .modern-upload {
  border-color: var(--modern-blue);
  background: #edf3ff;
  color: var(--modern-blue);
}

.modern-asset {
  position: relative;
  width: 92px;
  height: 64px;
  flex: 0 0 auto;
  padding: 0;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 6px;
  background: #eef1f5;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.modern-asset:not(.is-static):hover,
.modern-asset.active {
  transform: translateY(-3px);
  border-color: var(--modern-blue);
  box-shadow: 0 7px 16px rgba(47, 99, 233, 0.16);
}

.modern-asset img { width: 100%; height: 100%; object-fit: cover; }

.home-user-assets { display: contents; }
.home-user-asset span {
  position: absolute;
  top: 3px;
  right: 3px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  background: rgba(23, 26, 32, 0.82);
  color: #fff;
  font-size: 14px;
  line-height: 1;
}

.home-assets-empty {
  min-width: 220px;
  margin: 0;
  color: var(--modern-muted);
  font-size: 11px;
}

.home-clear-assets {
  min-height: 32px;
  padding: 0 8px;
  border-radius: 4px;
  background: #f1f3f6;
  color: #596273;
  font-size: 11px;
}

.home-clear-assets:hover { background: #e7ebf1; color: var(--modern-ink); }

.modern-upload {
  position: relative;
  display: grid;
  width: 82px;
  height: 64px;
  flex: 0 0 auto;
  place-items: center;
  align-content: center;
  gap: 2px;
  border: 1px dashed #b8c1cf;
  border-radius: 6px;
  background: #fbfcfe;
  color: var(--modern-muted);
  overflow: hidden;
  padding: 0;
  font: inherit;
  text-align: center;
  cursor: pointer;
}

.modern-upload b { font-size: 22px; font-weight: 400; }
.modern-upload span { font-size: 10px; }
.modern-upload-input { position: fixed; left: -10000px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.modern-upload.is-loading { cursor: wait; opacity: 0.55; pointer-events: none; }

.home-parameters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding-top: 16px;
}

.home-parameter {
  display: grid;
  min-height: 54px;
  grid-template-columns: 1fr;
  align-content: center;
  padding: 8px 10px;
  border: 1px solid var(--modern-line);
  border-radius: 6px;
  background: var(--modern-paper);
  text-align: left;
}

.home-parameter small { color: var(--modern-muted); font-size: 10px; }
.home-parameter select {
  width: 100%;
  min-width: 0;
  min-height: 25px;
  padding: 0 22px 0 0;
  overflow: hidden;
  border: 0;
  outline: 0;
  background-color: transparent;
  font-size: 13px;
  font-weight: 750;
  text-overflow: ellipsis;
}
.home-parameter:hover { background: #f8fafc; }
.home-parameter:focus-within { border-color: var(--modern-blue); box-shadow: inset 0 0 0 1px var(--modern-blue); }

.modern-assistant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--modern-line);
  background: var(--modern-paper);
}

.home-ready-label {
  display: inline-flex;
  align-items: center;
  color: var(--modern-teal);
  font-size: 12px;
  font-weight: 750;
}

.home-ready-label i { animation: modernReadyPulse 2.2s ease-in-out infinite; }

.home-readiness {
  padding: 16px 20px;
  border-bottom: 1px solid var(--modern-line);
  background: var(--modern-teal-soft);
}

.home-readiness > div:first-child { display: flex; justify-content: space-between; gap: 12px; }
.home-readiness span { color: var(--modern-teal); font-size: 12px; font-weight: 700; }

.home-ready-segments {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin-top: 10px;
}

.home-ready-segments i { height: 6px; overflow: hidden; border-radius: 2px; background: #d8dee8; }
.home-ready-segments i::after {
  display: block;
  width: 0;
  height: 100%;
  background: var(--modern-teal);
  content: "";
  transition: width 360ms ease;
}
.home-ready-segments i.complete::after { width: 100%; }

.home-summary,
.home-suggestion-section { padding: 18px 20px; }
.home-summary { border-bottom: 1px solid var(--modern-line); background: var(--modern-paper); }
.home-suggestion-section { background: #fffdf8; }

.modern-section-title { display: flex; align-items: center; gap: 8px; }
.modern-section-title h3 { flex: 0 0 auto; }
.modern-section-title button { margin-left: auto; background: transparent; color: var(--modern-blue); font-size: 12px; }
.modern-section-title small { color: var(--modern-muted); font-size: 10px; }

.modern-anchor { display: inline-block; width: 8px; height: 8px; flex: 0 0 auto; border-radius: 2px; }
.modern-anchor.blue { background: var(--modern-blue); }
.modern-anchor.teal { background: var(--modern-teal); }
.modern-anchor.yellow { background: var(--modern-yellow); }
.modern-anchor.coral { background: var(--modern-coral); }

.home-summary dl { display: grid; gap: 8px; margin: 14px 0 0; }
.home-summary dl div { display: grid; grid-template-columns: 112px 1fr; gap: 8px; }
.home-summary dt { font-size: 12px; font-weight: 750; }
.home-summary dt i { margin-right: 7px; }
.home-summary dd { margin: 0; color: #4f5969; font-size: 12px; }

.home-suggestions:empty::before {
  display: block;
  padding: 16px 0 6px;
  color: var(--modern-muted);
  content: "系统会在这里显示值得补充的关键细节。";
  font-size: 11px;
}

.home-suggestion {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  margin-top: 10px;
  border: 1px solid #f1c96f;
  border-radius: 6px;
  background: var(--modern-yellow-soft);
  animation: modernSuggestionIn 440ms ease both;
}

.home-suggestion.accepted { border-color: #86d4bf; background: var(--modern-teal-soft); }
.home-suggestion.dismissed { border-color: var(--modern-line); background: #f1f3f6; opacity: 0.55; }
.home-suggestion > span:first-child {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  background: var(--modern-paper);
  color: var(--modern-yellow);
  font-weight: 800;
}
.home-suggestion div { display: grid; min-width: 0; }
.home-suggestion strong { font-size: 12px; }
.home-suggestion small { color: var(--modern-muted); font-size: 10px; }
.home-suggestion button { min-width: 32px; min-height: 30px; padding: 0 8px; border-radius: 4px; background: rgba(255,255,255,0.75); color: var(--modern-muted); font-size: 11px; }
.home-suggestion button:hover { background: var(--modern-paper); color: var(--modern-ink); }
.home-suggestions-empty { margin: 14px 0 0; color: var(--modern-muted); font-size: 11px; }

.home-structure-link {
  width: 100%;
  padding: 14px 0 0;
  background: transparent;
  color: var(--modern-blue);
  text-align: left;
  font-size: 12px;
}
.home-structure-link span { float: right; transition: transform 180ms ease; }
.home-structure-link:hover span { transform: translateX(4px); }

.home-output-heading,
.home-output-heading > div { display: flex; align-items: center; gap: 8px; }
.home-output-heading { justify-content: space-between; }
.home-output-heading small { color: var(--modern-muted); font-size: 11px; }
.home-built-state { padding: 4px 8px; border-radius: 999px; background: var(--modern-teal-soft); color: var(--modern-teal); font-size: 11px; font-weight: 750; }
.home-built-state:not(.ready) { background: #f0f2f5; color: var(--modern-muted); }
.home-output-body { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 20px; margin-top: 14px; }

.home-composition-preview {
  position: relative;
  height: 112px;
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid #d7deea;
  background: #eef2f7;
}

.home-preview-canvas { position: absolute; inset: 0 0 27px; overflow: hidden; }
.home-composition-preview figcaption {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  min-height: 27px;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 0 7px;
  background: rgba(255,255,255,0.94);
  color: #344054;
  font-size: 9px;
}
.home-composition-preview figcaption strong { font-size: 10px; }
.home-composition-preview figcaption span { overflow: hidden; color: var(--modern-muted); text-overflow: ellipsis; white-space: nowrap; }
.home-preview-focus { position: absolute; display: block; background: #c7d0de; }
.home-preview-sequence,
.home-preview-grid { display: none; }

.home-composition-preview[data-preview-kind="science"] { border-color: #24415f; background: #091b33; }
.home-composition-preview[data-preview-kind="science"] .home-preview-focus {
  left: 7%;
  top: 18%;
  width: 25%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #f6a623;
  box-shadow: 0 0 0 5px rgba(255, 209, 102, 0.16);
}
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence {
  position: absolute;
  left: 31%;
  right: 5%;
  top: 39%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence::before {
  position: absolute;
  z-index: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(99, 199, 207, 0.48);
  content: "";
}
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence i {
  position: relative;
  z-index: 1;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d3d8df;
  box-shadow: 0 0 0 2px #091b33;
}
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence i:nth-child(3) { background: #2f63e9; }
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence i:nth-child(5) { width: 15px; height: 15px; background: #d09b64; }
.home-composition-preview[data-preview-kind="science"] .home-preview-sequence i:nth-child(6) { width: 13px; height: 13px; background: #e8c57c; }

.home-composition-preview[data-preview-kind="product"] { background: #e7e9ec; }
.home-composition-preview[data-preview-kind="product"] .home-preview-focus {
  left: 38%;
  top: 12%;
  width: 24%;
  height: 72%;
  border-radius: 5px 5px 9px 9px;
  background: #fff;
  box-shadow: 12px 14px 18px rgba(41, 48, 58, 0.14);
}

.home-composition-preview[data-preview-kind="interface"] .home-preview-grid,
.home-composition-preview[data-preview-kind="video"] .home-preview-grid {
  position: absolute;
  inset: 13px;
  display: grid;
  gap: 5px;
}
.home-composition-preview[data-preview-kind="interface"] .home-preview-grid { grid-template: 22px 1fr / 28% 1fr; }
.home-composition-preview[data-preview-kind="interface"] .home-preview-grid i { border-radius: 3px; background: #fff; box-shadow: inset 0 0 0 1px #d5dce8; }
.home-composition-preview[data-preview-kind="interface"] .home-preview-grid i:first-child { grid-column: 1 / -1; background: #2f63e9; }
.home-composition-preview[data-preview-kind="video"] { background: #172236; }
.home-composition-preview[data-preview-kind="video"] .home-preview-grid { grid-template-columns: repeat(4, 1fr); }
.home-composition-preview[data-preview-kind="video"] .home-preview-grid i { border-radius: 3px; background: #304763; }
.home-composition-preview[data-preview-kind="video"] .home-preview-grid i:nth-child(2) { background: #b7655c; }
.home-composition-preview[data-preview-kind="video"] .home-preview-grid i:nth-child(3) { background: #356c78; }
.home-composition-preview[data-preview-kind="video"] .home-preview-grid i:nth-child(4) { background: #d79d5b; }

.home-composition-preview[data-preview-kind="visual"] .home-preview-focus {
  left: 24%;
  top: 14%;
  width: 52%;
  height: 64%;
  border-radius: 5px;
  background: #2f63e9;
  box-shadow: 18px 13px 0 rgba(23, 126, 111, 0.18);
}

.home-blueprint-content { min-width: 0; }
.home-blueprint-track { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.home-blueprint-track i { height: 3px; background: var(--modern-line); transform: scaleX(0); transform-origin: left; animation: modernDrawTrack 420ms ease forwards; }
.home-blueprint-track i:nth-child(1) { background: var(--modern-blue); animation-delay: 360ms; }
.home-blueprint-track i:nth-child(2) { background: var(--modern-teal); animation-delay: 440ms; }
.home-blueprint-track i:nth-child(3) { background: var(--modern-coral); animation-delay: 520ms; }
.home-blueprint-track i:nth-child(4) { background: var(--modern-blue); animation-delay: 600ms; }
.home-blueprint-track i:nth-child(5) { background: var(--modern-yellow); animation-delay: 680ms; }
.home-blueprint-track i:nth-child(6) { background: var(--modern-coral); animation-delay: 760ms; }

.home-blueprint-tabs { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 7px; border-bottom: 1px solid var(--modern-line); }
.home-blueprint-tabs button { min-height: 36px; border-bottom: 2px solid transparent; background: transparent; color: var(--modern-muted); font-size: 12px; font-weight: 700; }
.home-blueprint-tabs button:hover { color: var(--modern-ink); }
.home-blueprint-tabs button.active,
.home-blueprint-tabs button[aria-selected="true"] { border-color: var(--modern-teal); color: var(--modern-teal); }
.home-blueprint-content ul { display: grid; gap: 4px; padding-left: 18px; margin: 12px 0 0; color: #4f5969; font-size: 12px; }

.modern-recent { grid-column: 1 / -1; margin: 0; border-radius: 8px; box-shadow: var(--modern-shadow); }

.home-command-dock {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: 16px;
  display: flex;
  width: min(calc(100% - 48px), 1060px);
  min-height: 62px;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(217, 222, 231, 0.95);
  border-radius: 8px;
  background: var(--modern-paper);
  box-shadow: 0 14px 36px rgba(28, 39, 58, 0.14);
  opacity: 0;
  animation: modernDockEnter 520ms cubic-bezier(.2,.75,.2,1) forwards;
  animation-delay: var(--delay, 0ms);
}

.home-command-dock .model-control {
  display: grid;
  min-width: 158px;
  padding: 0 10px;
  border-right: 1px solid var(--modern-line);
}
.home-command-dock .model-control > span { display: grid; }
.home-command-dock .model-control small { color: var(--modern-muted); font-size: 9px; }
.home-command-dock .model-control select { min-height: 26px; padding: 0 24px 0 0; border: 0; background-color: transparent; font-size: 12px; font-weight: 700; }
.home-command-note { overflow: hidden; color: var(--modern-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }

.home-command-dock .secondary-action {
  min-height: 44px;
  padding: 0 16px;
  margin-left: auto;
  border: 1px solid var(--modern-line);
  border-radius: 6px;
  background: var(--modern-paper);
  font-weight: 750;
  white-space: nowrap;
}

.home-command-dock .primary-action {
  position: relative;
  display: flex;
  min-width: 210px;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--modern-blue);
  color: #fff;
  font-weight: 800;
  box-shadow: inset 0 -3px 0 #1f4cc4;
}
.home-command-dock .primary-action:hover { background: #2859d7; transform: translateY(-1px); }
.home-command-dock .primary-action:active { transform: translateY(1px); box-shadow: inset 0 -1px 0 #1f4cc4; }
.home-command-dock .primary-action.is-loading { pointer-events: none; background: #2859d7; }
.home-command-dock .primary-action.is-loading::after { position: absolute; left: 0; bottom: 0; width: 38%; height: 3px; background: #fff; content: ""; animation: modernLoadingSweep 760ms ease-in-out infinite alternate; }
.home-command-dock .primary-action.is-done { background: var(--modern-teal); box-shadow: inset 0 -3px 0 #18765c; }

.modern-home .build-overlay { top: auto; right: 20px; bottom: 20px; left: 20px; min-height: auto; padding: 14px; border-radius: 6px; background: rgba(255,255,255,0.98); }

.modern-home .enter { opacity: 0; transform: translateY(12px); animation: modernEnter 520ms cubic-bezier(.2,.75,.2,1) forwards; animation-delay: var(--delay, 0ms); }
.modern-home .home-command-dock.enter { transform: none; animation-name: modernDockEnter; }

@keyframes modernEnter { to { opacity: 1; transform: translateY(0); } }
@keyframes modernDockEnter {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
@keyframes modernSuggestionIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes modernDrawTrack { to { transform: scaleX(1); } }
@keyframes modernReadyPulse { 50% { transform: scale(1.4); } }
@keyframes modernLoadingSweep {
  from { transform: translateX(-20%); }
  to { transform: translateX(200%); }
}

html[data-motion="off"] *,
html[data-motion="off"] *::before,
html[data-motion="off"] *::after {
  animation-duration: 0.001ms !important;
  animation-delay: 0ms !important;
  transition-duration: 0.001ms !important;
}

@media (max-width: 980px) {
  .modern-topbar { grid-template-columns: 1fr auto; padding: 0 16px; }
  .project-switcher,
  .autosave-state { display: none; }
  .modern-home-grid { width: min(calc(100% - 24px), 760px); grid-template-columns: 1fr; padding-top: 12px; }
  .modern-assistant,
  .home-output-blueprint,
  .modern-recent { grid-column: 1; }
  .modern-composer-head { align-items: start; flex-direction: column; }
  .home-task-tabs { width: 100%; min-width: 0; }
  .home-task-tabs button { min-width: 0; flex: 1; }
  .home-output-body { grid-template-columns: 1fr; }
  .home-composition-preview { height: auto; aspect-ratio: 16 / 9; }
  .home-command-dock { width: calc(100% - 24px); }
  .home-command-dock .model-control { min-width: 126px; }
  .home-command-note { display: none; }
}

@media (max-width: 600px) {
  .modern-home { padding-bottom: 96px; }
  .modern-topbar { min-height: 56px; }
  .modern-brand small,
  .modern-tools a.icon-tool { display: none; }
  .modern-home-grid { width: calc(100% - 16px); }
  .modern-composer { padding: 14px; }
  .modern-home h1 { font-size: 22px; }
  .home-task-tabs button { min-height: 40px; font-size: 12px; }
  .modern-editor-toolbar { grid-template-columns: 1fr auto; }
  .modern-editor-toolbar > span:nth-child(2) { display: none; }
  .modern-home #brief-input { min-height: 250px; font-size: 14px; }
  .modern-editor-meta p { display: none; }
  .modern-assets { grid-template-columns: 1fr; }
  .modern-section-label span { flex-basis: auto; padding-left: 0; }
  .modern-asset-strip { overflow-x: auto; padding: 4px 0; }
  .home-knowledge-list { grid-template-columns: 1fr; }
  .home-assets-empty { min-width: 180px; }
  .home-parameters { grid-template-columns: 1fr 1fr; }
  .home-summary dl div { grid-template-columns: 96px 1fr; }
  .home-output-blueprint { padding: 14px; }
  .home-output-heading small { display: none; }
  .home-blueprint-tabs { overflow-x: auto; grid-template-columns: repeat(6, minmax(68px, 1fr)); }
  .home-command-dock { bottom: 8px; min-height: 64px; overflow: hidden; }
  .home-command-dock .model-control { display: none; }
  .home-command-dock .secondary-action { min-width: 112px; margin-left: 0; padding: 0 10px; }
  .home-command-dock .primary-action { min-width: 0; flex: 1; padding: 0 10px; }
}