:root {
  color-scheme: light;
  --ink-950: #132542;
  --ink-800: #294263;
  --ink-600: #5d718c;
  --ink-500: #7d8ca3;
  --rail: #153967;
  --rail-deep: #0e2b53;
  --rail-soft: #c9defb;
  --rail-line: #5077ab;
  --sky-50: #e8f3ff;
  --sky-100: #d5e9ff;
  --sky-600: #3173d8;
  --sky-800: #1455bd;
  --lavender: #f1edff;
  --apricot: #fff0db;
  --sun: #f6c85f;
  --sun-hover: #e8b84c;
  --paper: #faf7f1;
  --canvas: #f4f0e8;
  --surface: #ffffff;
  --line: #d8dee8;
  --line-strong: #7c90ad;
  --success: #168361;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --radius-sm: 0.625rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.125rem;
  --radius-xl: 1.5rem;
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --color-background: var(--paper);
  --color-foreground: var(--ink-950);
  --color-muted: var(--canvas);
  --color-muted-foreground: var(--ink-600);
  --color-primary: var(--sky-800);
  --color-primary-hover: #0d4194;
  --color-border: var(--line);
  --color-ring: var(--sky-800);
  --button-bg: var(--color-primary);
  --button-fg: #ffffff;
  --button-hover-bg: var(--color-primary-hover);
  --input-bg: var(--surface);
  --input-border: var(--line-strong);
  --card-bg: var(--surface);
  --card-border: var(--line);
}
* {
  box-sizing: border-box;
}
html,
body {
  min-width: 320px;
  min-height: 100%;
  background: var(--color-background);
}
body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-foreground);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui,
    sans-serif;
}
button,
textarea,
select {
  font: inherit;
}
button {
  cursor: pointer;
  touch-action: manipulation;
}
a {
  color: inherit;
}
button:focus-visible,
a:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  z-index: 10;
  left: var(--space-4);
  top: -4rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--sky-800);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  transition: top var(--duration-fast) ease;
}
.skip-link:focus {
  top: var(--space-3);
}
.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;
}
.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  height: 100vh;
  height: 100svh;
  background: var(--canvas);
}
.sidebar {
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: var(--rail);
  color: #ffffff;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-8);
  color: #ffffff;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 0.9rem;
  background: var(--sun);
  color: var(--rail-deep);
  box-shadow: 0 5px 0 #0a2345;
}
.brand-mark svg {
  width: 2rem;
  height: 2rem;
}
.brand strong,
.brand small {
  display: block;
}
.brand strong {
  font-size: 1.04rem;
  letter-spacing: -0.03em;
}
.brand small {
  margin-top: 2px;
  color: var(--rail-soft);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.new-chat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 2.85rem;
  border: 1px solid var(--sun);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  background: var(--sun);
  color: var(--rail-deep);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: left;
  transition:
    background-color var(--duration-fast) ease,
    transform var(--duration-normal) ease,
    box-shadow var(--duration-normal) ease;
}
.new-chat:hover {
  background: var(--sun-hover);
  box-shadow: 0 4px 0 #0a2345;
  transform: translateY(-2px);
}
.new-chat span:first-child {
  font-size: 1.22rem;
  font-weight: 400;
  line-height: 1;
}
.side-nav {
  padding-top: var(--space-8);
}
.side-label {
  margin: 0 0 var(--space-2) var(--space-2);
  color: var(--rail-soft);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.side-list {
  margin: 0;
  padding: 0;
}
.side-list li::marker,
.suggestion-grid li::marker {
  font-size: 0;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.6rem;
  border-radius: var(--radius-sm);
  padding: 0 var(--space-3);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
  transition:
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease;
}
.nav-item:hover {
  background: #214b7f;
}
.nav-item.active {
  background: #ffffff;
  color: var(--sky-800);
  box-shadow: 0 4px 0 #0a2345;
}
.nav-item span:first-child {
  font-size: 1.15rem;
}
.history-label {
  margin-top: var(--space-8);
}
.history-empty {
  margin: 0 var(--space-2);
  color: var(--rail-soft);
  font-size: 0.77rem;
  line-height: 1.65;
}
.side-footer {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: var(--space-2);
  margin-top: auto;
  padding: var(--space-4) var(--space-2) 0;
  border-top: 1px solid var(--rail-line);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
}
.side-footer small {
  grid-column: 2;
  margin-top: 2px;
  color: var(--rail-soft);
  font-size: 0.69rem;
  font-weight: 500;
}
.live-dot {
  display: inline-block;
  width: 0.63rem;
  height: 0.63rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px #bcebdc;
}
.workspace {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  background: var(--color-background);
}
.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  padding: var(--space-3) clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid var(--color-border);
  background: #ffffff;
}
.workspace-header p {
  margin: 0 0 2px;
  color: var(--sky-800);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.workspace-header strong {
  color: var(--ink-950);
  font-size: 0.94rem;
  letter-spacing: -0.01em;
}
.header-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  color: var(--ink-600);
  font-size: 0.77rem;
  font-weight: 700;
}
.messages {
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-6) clamp(1.25rem, 7vw, 7rem);
  scroll-behavior: smooth;
}
.welcome {
  width: min(810px, 100%);
  margin: clamp(2rem, 5vh, 3.75rem) auto var(--space-6);
}
.welcome-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  color: var(--sky-800);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.welcome h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--ink-950);
  font-size: clamp(2.55rem, 5vw, 4.8rem);
  font-weight: 780;
  letter-spacing: -0.08em;
  line-height: 0.98;
  text-wrap: balance;
}
.welcome-copy {
  max-width: 38rem;
  margin: var(--space-3) 0 0;
  color: var(--ink-600);
  font-size: 1.02rem;
  line-height: 1.75;
}
.starter-section {
  margin-top: var(--space-8);
}
.starter-section h2 {
  margin: 0 0 var(--space-3);
  color: var(--ink-800);
  font-size: 0.81rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.suggestion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}
.starter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--space-3);
  width: 100%;
  min-height: 7.55rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--card-bg);
  color: var(--ink-950);
  text-align: left;
  box-shadow: 0 5px 0 #d8dfe9;
  transition:
    border-color var(--duration-fast) ease,
    background-color var(--duration-fast) ease,
    box-shadow var(--duration-normal) ease,
    transform var(--duration-normal) ease;
}
.starter:hover {
  border-color: var(--sky-600);
  box-shadow: 0 7px 0 #c7d5e7;
  transform: translateY(-2px);
}
.suggestion-grid > li:nth-child(1) .starter {
  background: var(--sky-50);
  border-color: #b9d9fb;
}
.suggestion-grid > li:nth-child(2) .starter {
  background: var(--lavender);
  border-color: #d6c9ff;
}
.suggestion-grid > li:nth-child(3) .starter {
  background: var(--apricot);
  border-color: #f0d5a3;
}
.starter-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.7rem;
  background: #ffffff;
  color: var(--sky-800);
  font-size: 1rem;
  font-weight: 800;
}
.suggestion-grid > li:nth-child(2) .starter-icon {
  color: #6542b8;
}
.suggestion-grid > li:nth-child(3) .starter-icon {
  color: #9a5c14;
}
.starter strong,
.starter small {
  display: block;
}
.starter strong {
  margin-top: 2px;
  color: var(--ink-950);
  font-size: 0.91rem;
  font-weight: 780;
}
.starter small {
  margin-top: 6px;
  color: var(--ink-600);
  font-size: 0.74rem;
  line-height: 1.5;
}
.starter-arrow {
  color: var(--sky-800);
  font-size: 1rem;
}
.market-panel {
  margin-top: var(--space-12);
  scroll-margin-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
}
.market-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
}
.market-eyebrow {
  margin: 0 0 4px;
  color: var(--sky-800);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.market-heading h2 {
  margin: 0;
  color: var(--ink-950);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  letter-spacing: -0.05em;
}
.market-heading p:not(.market-eyebrow) {
  max-width: 34rem;
  margin: var(--space-2) 0 0;
  color: var(--ink-600);
  font-size: 0.86rem;
  line-height: 1.6;
}
.market-refresh,
.quote-form button {
  min-height: 2.55rem;
  border: 1px solid var(--sky-800);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-3);
  background: #ffffff;
  color: var(--sky-800);
  font-weight: 800;
  white-space: nowrap;
}
.market-refresh:hover,
.quote-form button:hover {
  background: var(--sky-50);
}
.market-refresh:disabled {
  cursor: wait;
  opacity: 0.65;
}
.market-status {
  min-height: 1.3rem;
  margin: var(--space-4) 0;
  color: var(--ink-600);
  font-size: 0.74rem;
  line-height: 1.55;
}
.market-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-4);
}
.market-lower {
  margin-top: var(--space-4);
}
.market-card {
  min-width: 0;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: #ffffff;
  box-shadow: 0 4px 0 #dfe3ea;
}
.market-card h3 {
  margin: 0 0 var(--space-3);
  color: var(--ink-800);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.market-indices {
  display: grid;
  gap: var(--space-2);
}
.index-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--sky-50);
}
.index-row strong,
.index-row small {
  display: block;
}
.index-row > div:first-child strong {
  color: var(--ink-950);
  font-size: 0.86rem;
}
.index-row > div:first-child small {
  margin-top: 3px;
  color: var(--ink-600);
  font-size: 0.68rem;
}
.market-value {
  text-align: right;
}
.market-value strong {
  color: var(--ink-950);
  font-size: 0.93rem;
  font-variant-numeric: tabular-nums;
}
.market-value small {
  margin-top: 3px;
  font-size: 0.72rem;
  font-weight: 800;
}
.market-sectors {
  display: grid;
  gap: 2px;
}
.sector-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.58rem var(--space-2);
  border-bottom: 1px solid #edf0f4;
  font-size: 0.8rem;
}
.sector-row:last-child {
  border-bottom: 0;
}
.sector-row span {
  min-width: 0;
  overflow: hidden;
  color: var(--ink-800);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sector-row strong {
  font-variant-numeric: tabular-nums;
}
.up {
  color: #b33143;
}
.down {
  color: #168361;
}
.flat {
  color: var(--ink-600);
}
.quote-form label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--ink-600);
  font-size: 0.7rem;
  font-weight: 800;
}
.quote-form > div {
  display: flex;
  gap: var(--space-2);
}
.quote-form input {
  min-width: 0;
  flex: 1;
  min-height: 2.55rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-3);
  background: #ffffff;
  color: var(--ink-950);
  font: inherit;
  font-size: 0.82rem;
}
.quote-form button {
  background: var(--sky-800);
  color: #ffffff;
}
.market-quote {
  min-height: 7.7rem;
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--lavender);
}
.quote-result-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.quote-result-header strong {
  color: var(--ink-950);
  font-size: 0.92rem;
}
.quote-result-header small {
  color: var(--ink-600);
  font-size: 0.68rem;
}
.quote-price {
  display: block;
  margin-top: var(--space-2);
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}
.quote-change {
  display: inline-block;
  margin-top: 3px;
  font-size: 0.78rem;
  font-weight: 800;
}
.market-meta {
  margin: var(--space-2) 0 0;
  color: var(--ink-600);
  font-size: 0.67rem;
  line-height: 1.5;
}
.market-news {
  display: grid;
  gap: var(--space-2);
  min-height: 12.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.market-news li {
  min-width: 0;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid #edf0f4;
}
.market-news li:last-child {
  border-bottom: 0;
}
.market-news a {
  display: block;
  overflow: hidden;
  color: var(--ink-800);
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.market-news a:hover {
  color: var(--sky-800);
  text-decoration: underline;
}
.market-news small {
  display: block;
  margin-top: 3px;
  color: var(--ink-600);
  font-size: 0.66rem;
}
.market-empty {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.78rem;
  line-height: 1.6;
}
.market-footnote {
  margin-top: var(--space-4);
  color: var(--ink-600);
  font-size: 0.7rem;
  line-height: 1.55;
}
.message {
  width: min(780px, 92%);
  margin: 0 auto var(--space-6);
}
.message.user {
  margin-right: 0;
}
.message-label {
  margin-bottom: var(--space-2);
  color: var(--ink-600);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.message-content {
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  background: var(--sky-50);
  color: var(--ink-950);
  line-height: 1.72;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.assistant .message-content {
  border-color: var(--color-border);
  background: #ffffff;
  box-shadow: 0 3px 0 #e2e5eb;
  white-space: normal;
}
.assistant .message-content > :first-child {
  margin-top: 0;
}
.assistant .message-content > :last-child {
  margin-bottom: 0;
}
.assistant .message-content p {
  margin: 0 0 0.85rem;
}
.assistant .message-content .markdown-heading {
  margin: 1.05rem 0 0.5rem;
  color: var(--ink-800);
  font-size: 1rem;
  line-height: 1.35;
}
.assistant .message-content h1.markdown-heading {
  font-size: 1.35rem;
}
.assistant .message-content h2.markdown-heading {
  font-size: 1.18rem;
}
.assistant .message-content ul,
.assistant .message-content ol {
  margin: 0 0 0.85rem;
  padding-left: 1.35rem;
}
.assistant .message-content li + li {
  margin-top: 0.28rem;
}
.assistant .message-content blockquote {
  margin: 0 0 0.85rem;
  border-left: 3px solid #b9d9fb;
  padding-left: 0.8rem;
  color: var(--ink-600);
}
.assistant .message-content code {
  border-radius: 0.3rem;
  padding: 0.08rem 0.28rem;
  background: var(--lavender);
  color: var(--ink-800);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.9em;
}
.assistant .message-content pre {
  margin: 0 0 0.85rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  background: #16263d;
  color: #eef5ff;
  white-space: pre;
}
.assistant .message-content pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}
.empty-state {
  display: grid;
  min-height: 15rem;
  place-items: center;
  align-content: center;
  gap: var(--space-2);
  color: var(--ink-600);
  text-align: center;
}
.empty-state strong {
  color: var(--ink-800);
}
.empty-cloud {
  color: var(--sky-800);
  font-size: 1.9rem;
}
.assistant.is-thinking .message-content {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.25rem;
  border: 0;
  border-radius: 0;
  padding: 0.25rem 0;
  background: transparent;
  box-shadow: none;
  color: var(--ink-600);
  font-size: 0.85rem;
  white-space: normal;
}
.thinking-text {
  font-weight: 750;
}
.thinking-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  min-width: 1.35rem;
}
.thinking-dots i {
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 50%;
  background: var(--sky-800);
  animation: yunhai-thinking 1.05s ease-in-out infinite;
}
.thinking-dots i:nth-child(2) {
  animation-delay: 0.14s;
}
.thinking-dots i:nth-child(3) {
  animation-delay: 0.28s;
}
@keyframes yunhai-thinking {
  0%,
  60%,
  100% {
    opacity: 0.28;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-0.22rem);
  }
}
.composer-wrap {
  width: min(960px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: var(--space-2) 0 var(--space-4);
}
.model-description {
  min-height: 1.2rem;
  margin: 0 0 var(--space-2) var(--space-3);
  color: var(--ink-600);
  font-size: 0.76rem;
  line-height: 1.35;
}
.composer {
  border: 1px solid var(--input-border);
  border-radius: var(--radius-xl);
  background: var(--input-bg);
  box-shadow: 0 7px 0 #d5dce7;
  transition:
    border-color var(--duration-fast) ease,
    box-shadow var(--duration-normal) ease;
}
.composer:focus-within {
  border-color: var(--sky-800);
  box-shadow: 0 7px 0 #bdd3f3;
}
.composer-label {
  display: block;
  padding: var(--space-3) var(--space-4) 0;
  color: var(--sky-800);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}
textarea {
  display: block;
  width: 100%;
  min-height: 4.6rem;
  resize: vertical;
  border: 0;
  padding: var(--space-2) var(--space-4) var(--space-3);
  background: transparent;
  color: var(--ink-950);
  line-height: 1.6;
}
textarea:focus-visible {
  outline: 0;
}
textarea::placeholder {
  color: var(--ink-500);
}
.form-error {
  margin: 0 var(--space-4) var(--space-2);
  color: #9f1d35;
  font-size: 0.76rem;
  font-weight: 700;
}
.composer-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 3.35rem;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
}
.model-picker,
.routing-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  border-radius: var(--radius-sm);
  padding: 7px var(--space-2);
  background: var(--sky-50);
  color: var(--ink-800);
  font-size: 0.76rem;
  font-weight: 800;
}
.routing-toggle {
  border: 1px solid #b9d9fb;
  color: var(--sky-800);
  white-space: nowrap;
}
.routing-toggle input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--sky-800);
}
.model-spark {
  color: var(--sky-800);
}
select {
  min-width: 0;
  max-width: 14rem;
  border: 0;
  padding: 0 1.25rem 0 0;
  background: var(--sky-50);
  color: var(--ink-950);
  font-size: 0.76rem;
  font-weight: 700;
}
.hint {
  margin-left: auto;
  color: var(--ink-600);
  font-size: 0.72rem;
  white-space: nowrap;
}
#send-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 5rem;
  min-height: 2.65rem;
  border: 1px solid var(--button-bg);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-3);
  background: var(--button-bg);
  color: var(--button-fg);
  font-size: 0.8rem;
  font-weight: 800;
  transition:
    background-color var(--duration-fast) ease,
    transform var(--duration-normal) ease;
}
#send-button:hover {
  background: var(--button-hover-bg);
  transform: translateY(-1px);
}
#send-button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}
.privacy-note {
  margin: var(--space-2) 0 0;
  color: var(--ink-600);
  font-size: 0.69rem;
  line-height: 1.5;
  text-align: center;
}
@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100svh;
  }
  .sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }
  .brand {
    padding: 0;
  }
  .brand small,
  .side-nav,
  .side-footer {
    display: none;
  }
  .new-chat {
    width: auto;
    min-width: 8.5rem;
  }
  .workspace {
    min-height: calc(100svh - 4.65rem);
  }
}
@media (max-width: 620px) {
  .workspace-header {
    min-height: 4rem;
    padding: var(--space-2) var(--space-4);
  }
  .messages {
    padding: var(--space-5) var(--space-4);
  }
  .welcome {
    margin: var(--space-6) auto var(--space-5);
  }
  .welcome h1 {
    font-size: clamp(2.35rem, 12vw, 3.3rem);
  }
  .suggestion-grid,
  .market-layout {
    grid-template-columns: 1fr;
  }
  .starter {
    min-height: 5.8rem;
    align-items: center;
  }
  .market-heading {
    align-items: start;
    flex-direction: column;
  }
  .market-refresh {
    width: 100%;
  }
  .composer-wrap {
    width: min(100% - 1.5rem, 960px);
    padding-bottom: var(--space-3);
  }
  .composer-bar {
    flex-wrap: wrap;
  }
  .hint {
    display: none;
  }
  #send-button {
    margin-left: auto;
  }
  .header-status {
    font-size: 0.7rem;
  }
}
@media (max-width: 420px) {
  .sidebar {
    padding-inline: var(--space-3);
  }
  .brand-mark {
    width: 2.2rem;
    height: 2.2rem;
  }
  .brand strong {
    font-size: 0.95rem;
  }
  .new-chat {
    min-width: auto;
    padding-inline: var(--space-2);
  }
  .new-chat span:last-child {
    font-size: 0.78rem;
  }
  .model-picker {
    max-width: calc(100% - 5.75rem);
  }
  .model-picker select {
    max-width: 8.2rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
  }
  .thinking-dots i {
    animation: none;
    opacity: 0.82;
  }
}
.market-layout.market-single {
  grid-template-columns: minmax(0, 1fr);
}
.message-sources {
  margin-top: var(--space-3);
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--sky-50);
}
.message-sources-title {
  margin: 0 0 var(--space-2);
  color: var(--sky-800);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.05em;
}
.message-sources ul {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.message-sources li {
  min-width: 0;
}
.message-sources a {
  display: block;
  width: fit-content;
  max-width: 100%;
  color: var(--ink-800);
  font-size: 0.8rem;
  font-weight: 750;
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.message-sources a:hover {
  color: var(--sky-800);
}
.message-sources small {
  display: block;
  margin-top: 3px;
  color: var(--ink-600);
  font-size: 0.68rem;
  line-height: 1.45;
}
.message-media {
  width: min(780px, 92%);
  margin: calc(var(--space-4) * -1) auto var(--space-6);
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  background: linear-gradient(145deg, #f7fbff, #edf5ff);
  box-shadow: 0 3px 0 #d6e4f4;
}
.message-media-title {
  margin: 0 0 var(--space-2);
  color: var(--sky-800);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.05em;
}
.message-media-body {
  min-width: 0;
}
.generated-image,
.generated-video {
  display: block;
  width: min(100%, 680px);
  max-height: min(68vh, 680px);
  margin: 0 auto;
  border-radius: var(--radius-md);
  background: #dfe9f7;
  object-fit: contain;
}
.generated-video {
  aspect-ratio: 16 / 9;
  background: #071f3b;
}
.media-status {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.82rem;
  line-height: 1.6;
}
.media-status::before {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--sun);
  content: "";
  animation: yunhai-media-pulse 1.2s ease-in-out infinite;
}
.media-status.is-failed {
  color: #9f1d35;
}
.media-status.is-failed::before {
  background: #c94154;
  animation: none;
}
@keyframes yunhai-media-pulse {
  50% {
    opacity: 0.3;
    transform: scale(0.78);
  }
}
.message-attachment {
  display: block;
  width: min(100%, 320px);
  max-height: 18rem;
  margin-top: var(--space-3);
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-sm);
  background: #ffffff;
  object-fit: contain;
}
.attachment-preview {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 var(--space-3) var(--space-2);
  padding: var(--space-2);
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-sm);
  background: var(--sky-50);
  color: var(--ink-800);
  font-size: 0.74rem;
  font-weight: 750;
}
.attachment-preview[hidden] {
  display: none;
}
.attachment-preview img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.45rem;
  background: #ffffff;
  object-fit: cover;
}
.attachment-remove {
  margin-left: auto;
  border: 0;
  border-radius: 0.4rem;
  padding: 0.28rem 0.45rem;
  background: transparent;
  color: var(--sky-800);
  font: inherit;
  font-weight: 800;
}
.attachment-remove:hover {
  background: #dbeeff;
}
.attachment-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 2.25rem;
  border: 1px solid #b9d9fb;
  border-radius: var(--radius-sm);
  padding: 0 var(--space-2);
  background: var(--sky-50);
  color: var(--sky-800);
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}
.attachment-button:hover {
  background: #dbeeff;
}
.attachment-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}