:root {
  color-scheme: light;
  --color-canvas: #f8eae2;
  --color-surface: #fff8f2;
  --color-surface-muted: #f3e3cf;
  --color-ink: #231a11;
  --color-ink-soft: #6b5f52;
  --color-line: #e0cfc0;
  --color-brand: #b63e25;
  --color-brand-strong: #8f2e1c;
  --color-gold: #f3de8f;
  --color-danger: #a33d2a;
  --shadow-soft: 0 16px 42px rgba(35, 26, 17, 0.12);
  --radius-sm: 8px;
  --radius-md: 13px;
  --radius-lg: 20px;
  --sidebar-width: 304px;
  --color-brand-faint: rgba(182, 62, 37, 0.10);
  --color-gold-faint: rgba(243, 222, 143, 0.28);
  --color-danger-faint: rgba(163, 61, 42, 0.12);
  --color-overlay: rgba(35, 26, 17, 0.22);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --reading-width: 760px;
  --topbar-height: 72px;
  --mobile-nav-height: 72px;
}

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

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

html {
  background: var(--color-canvas);
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

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

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

a {
  color: var(--color-brand);
}

textarea {
  resize: vertical;
}

::selection {
  background: var(--color-gold-faint);
  color: var(--color-ink);
}

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

.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;
}

.app-status {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 30;
  max-width: min(88vw, 420px);
  padding: 10px 16px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 248, 242, 0.94);
  box-shadow: var(--shadow-soft);
  color: var(--color-ink-soft);
  font-size: 13px;
  letter-spacing: 0.04em;
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.button,
.auth-tab,
.btn-primary,
.btn-send,
.icon-button,
.account-logout,
dialog button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.button,
.auth-tab,
.icon-button {
  background: transparent;
}

.auth-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.auth-card {
  width: min(100%, 436px);
  padding: 38px 34px 32px;
  border: 1px solid rgba(35, 26, 17, 0.08);
  border-radius: 28px;
  background: rgba(255, 248, 242, 0.96);
  box-shadow: var(--shadow-soft);
}

.brand-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: var(--color-brand-faint);
  color: var(--color-brand);
}

.brand-mark svg {
  width: 34px;
  height: 34px;
}

.auth-card h1 {
  margin: 0;
  color: var(--color-ink);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.08em;
}

.auth-sub {
  margin: 12px 0 28px;
  color: var(--color-ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-align: center;
  text-transform: uppercase;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 22px;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface-muted);
}

.auth-tab {
  padding: 10px 14px;
  color: var(--color-ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.auth-tab.active,
.auth-tab[aria-selected="true"] {
  background: var(--color-surface);
  color: var(--color-brand);
  box-shadow: 0 6px 16px rgba(35, 26, 17, 0.08);
}

#auth-form {
  display: grid;
  gap: 12px;
}

#auth-form label {
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 600;
}

#auth-form input,
#rename-input,
dialog input {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

#auth-form input:focus,
#rename-input:focus,
dialog input:focus,
#chat-input:focus {
  border-color: rgba(182, 62, 37, 0.42);
  box-shadow: 0 0 0 4px rgba(182, 62, 37, 0.10);
  outline: none;
}

.auth-error {
  padding: 10px 12px;
  border: 1px solid rgba(163, 61, 42, 0.2);
  border-radius: var(--radius-sm);
  background: var(--color-danger-faint);
  color: var(--color-danger);
  font-size: 13px;
}

.btn-primary,
.btn-send,
.account-logout,
dialog button[value="save"],
dialog button[value="confirm"] {
  background: var(--color-brand);
  color: #f8f6ef;
  font-weight: 700;
}

.btn-primary:hover,
.btn-send:hover:not(:disabled),
.account-logout:hover,
dialog button[value="save"]:hover,
dialog button[value="confirm"]:hover {
  background: var(--color-brand-strong);
}

.btn-primary {
  margin-top: 8px;
  width: 100%;
  padding: 12px 16px;
  letter-spacing: 0.08em;
}

.app-shell {
  position: relative;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  background: var(--color-canvas);
}

.conversation-panel,
.chat-panel,
.account-panel {
  min-width: 0;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
}

.conversation-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-muted);
  border-right: 1px solid rgba(35, 26, 17, 0.08);
}

.sidebar-head,
.sidebar-tools,
.sidebar-foot {
  flex-shrink: 0;
  padding-left: 20px;
  padding-right: 20px;
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 24px;
  padding-bottom: 16px;
}

.brand-lockup {
  display: grid;
  gap: 4px;
  padding: 4px 8px 4px 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.brand-lockup:hover strong {
  color: var(--color-brand-strong);
}

.app-menu {
  position: fixed;
  z-index: 40;
  min-width: 168px;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.app-menu button {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.app-menu button:hover {
  background: var(--color-brand-faint);
  color: var(--color-brand-strong);
}

.app-menu-icon {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  font-size: 16px;
  line-height: 1;
}

.brand-lockup strong {
  color: var(--color-brand);
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.brand-lockup span,
.sidebar-tools span {
  color: var(--color-ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sidebar-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 0;
  padding-bottom: 14px;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  min-width: 42px;
  padding: 0;
  background: rgba(255, 248, 242, 0.76);
  border-color: rgba(35, 26, 17, 0.09);
  color: var(--color-brand);
  box-shadow: 0 8px 22px rgba(35, 26, 17, 0.05);
}

.icon-button svg {
  width: 18px;
  height: 18px;
}

.icon-button:hover {
  border-color: rgba(182, 62, 37, 0.3);
  background: var(--color-surface);
}

.conv-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 14px 18px;
}

.conv-item {
  position: relative;
  margin-bottom: 10px;
  padding: 14px 56px 13px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: rgba(255, 248, 242, 0.5);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.36);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.conv-item:hover {
  background: rgba(255, 248, 242, 0.88);
  border-color: rgba(35, 26, 17, 0.08);
  transform: translateY(-1px);
}

.conv-item.active {
  background: var(--color-surface);
  border-color: rgba(182, 62, 37, 0.18);
  box-shadow: 0 12px 30px rgba(35, 26, 17, 0.08);
}

.conv-title,
.conv-time,
.user-name,
.chat-title,
.account-profile span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conv-title {
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
}

.conv-time {
  margin-top: 4px;
  color: var(--color-ink-soft);
  font-size: 12px;
}

.conv-del,
.conv-rename {
  position: absolute;
  top: 12px;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-ink-soft);
  opacity: 0;
}

.conv-rename {
  right: 34px;
}

.conv-del {
  right: 10px;
}

.conv-item:hover .conv-del,
.conv-item:hover .conv-rename,
.conv-item.active .conv-del,
.conv-item.active .conv-rename {
  opacity: 1;
}

.conv-del:hover,
.conv-del:focus-visible {
  color: var(--color-danger);
}

.conv-rename:hover,
.conv-rename:focus-visible {
  color: var(--color-brand);
}

.sidebar-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 22px;
  border-top: 1px solid rgba(35, 26, 17, 0.08);
  background: rgba(255, 248, 242, 0.72);
}

.sidebar-account {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.user-name {
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
}

.sidebar-account-open {
  justify-self: start;
  padding: 8px 14px;
  border-color: rgba(35, 26, 17, 0.1);
  border-radius: 999px;
  background: rgba(255, 248, 242, 0.92);
  color: var(--color-brand);
  font-size: 13px;
  font-weight: 700;
}

.sidebar-account-open:hover,
.sidebar-account-open[aria-expanded="true"] {
  border-color: rgba(182, 62, 37, 0.28);
  background: var(--color-surface);
}

.sidebar-mask {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(35, 26, 17, 0.24);
}

.chat-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--color-canvas);
}

.chat-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-height: var(--topbar-height);
  padding: 18px 24px;
  border-bottom: 1px solid rgba(35, 26, 17, 0.09);
  background: rgba(248, 234, 226, 0.92);
  backdrop-filter: blur(14px);
}

.chat-title {
  flex: 1;
  color: var(--color-ink);
  font-size: 17px;
  font-weight: 700;
}

.chat-topbar .icon-button:first-child {
  display: none;
}

.chat-empty {
  display: grid;
  place-items: center;
  flex: 1;
  min-height: 0;
  padding: 32px 20px 40px;
  color: var(--color-ink-soft);
}

.chat-empty p {
  max-width: 24rem;
  margin: 0;
  text-align: center;
  font-size: 15px;
}

.load-error {
  display: grid;
  justify-items: center;
  gap: 12px;
}

.conv-list > .load-error {
  margin: 28px 0;
  padding: 22px 18px;
  border: 1px solid rgba(35, 26, 17, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 248, 242, 0.78);
}

.load-error p {
  margin: 0;
  text-align: center;
}

.chat-messages,
.chat-reading-column {
  width: min(100%, calc(var(--reading-width) + 56px));
  margin: 0 auto;
}

.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 26px 28px 20px;
}

.chat-streaming-body {
  display: grid;
  gap: 18px;
}

.msg {
  width: 100%;
}

.msg + .msg {
  margin-top: 22px;
}

.bubble,
.msg-think,
.tool-item {
  max-width: min(100%, 100%);
}

.bubble {
  width: fit-content;
  max-width: min(100%, 680px);
  padding: 15px 18px;
  border-radius: 18px;
  border: 1px solid rgba(35, 26, 17, 0.08);
  background: rgba(255, 248, 242, 0.94);
  box-shadow: 0 10px 24px rgba(35, 26, 17, 0.05);
  color: var(--color-ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.msg.user {
  display: grid;
  justify-items: end;
}

.msg.user .bubble {
  background: var(--color-brand);
  border-color: rgba(23, 72, 56, 0.18);
  color: #f8f6ef;
}

.msg.assistant {
  display: grid;
  justify-items: start;
}

.msg-flow {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.thinking-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--color-brand-faint);
  color: var(--color-brand);
  font-size: 13px;
  font-weight: 600;
}

.thinking-indicator[hidden] {
  display: none;
}

.thinking-spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: thinking-spin 0.8s linear infinite;
}

.thinking-timer {
  font-variant-numeric: tabular-nums;
}

@keyframes thinking-spin {
  to {
    transform: rotate(360deg);
  }
}

.stock-card {
  width: min(100%, 680px);
  background: var(--color-surface);
  border: 1px solid rgba(182, 62, 37, 0.16);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(35, 26, 17, 0.08);
  overflow: hidden;
}

.stock-card-header {
  background: var(--color-brand);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.stock-card-header .name {
  font-size: 18px;
  font-weight: 800;
}

.stock-card-header .code {
  font-size: 12px;
  opacity: 0.85;
}

.stock-card-header .tag {
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid rgba(35, 26, 17, 0.08);
}

.price {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-ink);
}

.change.up { color: var(--color-danger); }
.change.down { color: #2f7d46; }

.status-chip {
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-gold-faint);
  color: var(--color-ink);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(35, 26, 17, 0.08);
}

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

.metric .value {
  font-size: 15px;
  font-weight: 700;
  margin-top: 2px;
}

.insight {
  padding: 12px 16px;
  display: grid;
  gap: 10px;
}

.insight-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.insight-row .label {
  color: var(--color-ink-soft);
}

.insight-row .value {
  font-weight: 700;
  text-align: right;
}

.trend-down { color: #2f7d46; }

.risk-low { color: #1a7f4b; }
.risk-medium { color: #b7791f; }
.risk-high { color: var(--color-danger); }

.advice {
  margin: 0 16px 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--color-brand-faint);
  border: 1px solid rgba(182, 62, 37, 0.16);
  color: var(--color-brand-strong);
  font-size: 14px;
  font-weight: 700;
}

.msg-time {
  margin-top: 6px;
  color: var(--color-ink-soft);
  font-size: 12px;
}

.msg.user .msg-time {
  text-align: right;
}

.msg.error .bubble {
  background: var(--color-danger-faint);
  border-color: rgba(163, 61, 42, 0.2);
  color: var(--color-danger);
}

.msg-think,
.tool-item,
.assistant-note,
details.analysis-detail {
  width: min(100%, 680px);
  border-radius: var(--radius-md);
  background: rgba(255, 248, 242, 0.74);
}

.msg-think {
  border: 1px solid rgba(180, 120, 40, 0.24);
  overflow: hidden;
}

.think-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(180, 120, 40, 0.16);
  background: rgba(180, 120, 40, 0.08);
  color: var(--color-ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.think-toggle {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-brand);
  font-size: 12px;
  font-weight: 700;
}

.think-body {
  padding: 12px 14px 14px;
  color: var(--color-ink-soft);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.think-body.collapsed {
  display: none;
}

.tool-item {
  padding: 11px 13px;
  border: 1px solid rgba(35, 26, 17, 0.1);
  color: var(--color-ink-soft);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.tool-item.running {
  border-color: rgba(180, 120, 40, 0.24);
  background: rgba(180, 120, 40, 0.08);
}

.tool-item.done {
  border-color: rgba(182, 62, 37, 0.18);
  color: var(--color-brand);
  background: rgba(182, 62, 37, 0.08);
}

.tool-item.approval {
  border-color: rgba(163, 61, 42, 0.22);
  color: var(--color-danger);
  background: var(--color-danger-faint);
}

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

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

.md-body h1,
.md-body h2,
.md-body h3,
.md-body h4 {
  margin: 1.15em 0 0.45em;
  color: var(--color-ink);
  line-height: 1.3;
}

.md-body h1 {
  font-size: 1.32em;
}

.md-body h2 {
  font-size: 1.18em;
}

.md-body p,
.md-body ul,
.md-body ol,
.md-body blockquote,
.md-body pre,
.md-body table {
  margin: 0.7em 0;
}

.md-body ul,
.md-body ol {
  padding-left: 1.4em;
}

.md-body li + li {
  margin-top: 0.35em;
}

.md-body blockquote {
  padding: 0.2em 0 0.2em 1em;
  border-left: 3px solid var(--color-gold);
  color: var(--color-ink-soft);
}

.md-body code,
.md-body pre,
kbd {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.md-body code {
  padding: 0.12em 0.45em;
  border-radius: 6px;
  background: var(--color-surface-muted);
  color: var(--color-brand-strong);
}

.md-body pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 14px 16px;
  border: 1px solid rgba(35, 26, 17, 0.08);
  border-radius: var(--radius-md);
  background: #f1ede3;
}

.md-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.md-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  white-space: nowrap;
}

.md-body th,
.md-body td {
  border: 1px solid rgba(35, 26, 17, 0.1);
  padding: 9px 12px;
  text-align: left;
}

.md-body th {
  background: rgba(243, 227, 207, 0.74);
  color: var(--color-ink);
}

.md-body hr {
  border: 0;
  border-top: 1px solid var(--color-line);
}

.chat-input-wrap {
  width: min(100%, calc(var(--reading-width) + 56px));
  margin: 0 auto;
  flex-shrink: 0;
  padding: 16px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

#chat-input {
  flex: 1;
  min-width: 0;
  min-height: 52px;
  max-height: 180px;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  background: rgba(255, 248, 242, 0.96);
  box-shadow: 0 12px 30px rgba(35, 26, 17, 0.06);
}

.btn-send {
  min-width: 104px;
  padding: 14px 18px;
  box-shadow: 0 12px 28px rgba(182, 62, 37, 0.18);
}

.image-btn {
  width: 48px;
  min-width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 16px;
}

.image-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.image-preview-list[hidden] {
  display: none;
}

.image-preview-item {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(35, 26, 17, 0.1);
  background: var(--color-surface-muted);
}

.image-preview-item img,
.message-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-preview-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(35, 26, 17, 0.72);
  color: #fff;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.message-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.message-image {
  max-width: 180px;
  height: auto;
  max-height: 240px;
  border-radius: 10px;
  border: 1px solid rgba(35, 26, 17, 0.1);
}

.account-panel {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 12;
  width: min(360px, calc(100vw - 48px));
  padding: 24px;
  border: 1px solid rgba(35, 26, 17, 0.08);
  border-radius: 24px;
  background: rgba(255, 248, 242, 0.98);
  box-shadow: var(--shadow-soft);
}

.account-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.account-panel h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 22px;
}

.account-profile {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid rgba(182, 62, 37, 0.12);
  border-radius: var(--radius-md);
  background: var(--color-brand-faint);
}

.account-profile span:first-child {
  color: var(--color-brand);
  font-size: 16px;
  font-weight: 700;
}

.account-profile span:last-child,
.account-about {
  color: var(--color-ink-soft);
  font-size: 13px;
}

.account-about {
  margin: 0 0 18px;
}

.account-logout {
  width: 100%;
  padding: 12px 16px;
}

.theme-section {
  margin: 0 0 18px;
}

.theme-section h3 {
  margin: 0 0 10px;
  color: var(--color-ink);
  font-size: 14px;
}

.theme-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 8px;
}

.theme-button {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.theme-button.active {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 2px var(--color-brand-faint);
}

.theme-dot {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.12);
}

.news-panel {
  min-width: 0;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow-y: auto;
  padding: 24px 28px 32px;
  background: var(--color-canvas);
  display: none;
  flex-direction: column;
}

.app-shell[data-mobile-page="news"] .news-panel {
  display: flex;
}

.app-shell[data-mobile-page="news"] .chat-panel {
  display: none;
}

.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.news-heading {
  min-width: 0;
}

.news-header h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 24px;
}

.news-date {
  margin: 6px 0 0;
  color: var(--color-ink-soft);
  font-size: 13px;
}

.news-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.news-search {
  width: min(300px, 46vw);
  padding: 9px 13px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 13px;
  outline: none;
}

.news-search:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-faint);
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.news-filter {
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.news-filter.active {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
  color: var(--color-brand-strong);
}

.news-list {
  display: grid;
  gap: 12px;
}

.news-item {
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: 0 6px 18px rgba(35, 26, 17, 0.05);
}

.news-item h3 {
  display: grid;
  gap: 3px;
  margin: 8px 0 6px;
  color: var(--color-ink);
  font-size: 16px;
}

.news-en {
  display: block;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 700;
}

.news-zh {
  display: block;
  color: var(--color-brand-strong);
  font-size: 16px;
  font-weight: 800;
}

.news-item p {
  margin: 0 0 8px;
  color: var(--color-ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.news-original {
  font-style: italic;
  opacity: 0.82;
}

.news-translation {
  color: var(--color-ink) !important;
}

.news-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--color-gold-faint);
  color: var(--color-ink);
  font-size: 11px;
  font-weight: 700;
}

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

.news-item.placeholder {
  border-style: dashed;
  opacity: 0.86;
}

.news-knowledge-button {
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-brand-strong);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.news-backup-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 14px;
  border: 1px dashed var(--color-brand);
  border-radius: 12px;
  background: var(--color-brand-faint);
  color: var(--color-ink);
  font-size: 13px;
}

.news-backup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-backup-actions .button,
.news-backup-actions a {
  min-height: auto;
  padding: 6px 12px;
  font-size: 12px;
}

.news-related-button {
  margin-left: 10px;
  padding: 2px 9px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: transparent;
  color: var(--color-brand);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.news-related {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.news-related-item {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-surface-muted);
  text-align: left;
  cursor: pointer;
}

.news-related-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink);
}

.news-related-meta {
  font-size: 11px;
  color: var(--color-ink-soft);
}

.news-related-empty {
  margin: 0;
  font-size: 12px;
  color: var(--color-ink-soft);
}

.news-detail,
.knowledge-view {
  position: fixed;
  inset: 0;
  z-index: 60;
  overflow-y: auto;
  background: var(--color-canvas);
}

.news-detail-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}

.news-detail-source {
  color: var(--color-ink-soft);
  font-size: 12px;
}

.news-detail-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.news-detail-title {
  margin: 0 0 6px;
  color: var(--color-ink);
  font-size: 22px;
}

.news-impact-box {
  margin: 16px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--color-brand);
  border-radius: 0 12px 12px 0;
  background: var(--color-brand-faint);
  color: var(--color-ink);
  font-size: 14px;
  line-height: 1.7;
}

.news-detail-section {
  margin-top: 22px;
}

.news-detail-section h3 {
  margin: 0 0 8px;
  color: var(--color-brand-strong);
  font-size: 15px;
}

.news-detail-text {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 14px;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.news-onboarding {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(35, 26, 17, 0.45);
}

.news-onboarding-card {
  width: min(580px, 100%);
  max-height: 86vh;
  overflow-y: auto;
  padding: 24px 26px;
  border-radius: 20px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  color: var(--color-ink);
}

.news-onboarding-card h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.news-onboarding-card p {
  margin: 10px 0 6px;
  color: var(--color-ink-soft);
  font-size: 14px;
}

.news-onboarding-card ul {
  margin: 6px 0 10px;
  padding-left: 20px;
  color: var(--color-ink);
  font-size: 14px;
  line-height: 1.75;
}

.news-onboarding-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.knowledge-body {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

.knowledge-summary {
  color: var(--color-ink-soft);
  font-size: 13px;
}

.knowledge-entity-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.knowledge-entity {
  padding: 5px 10px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  font-size: 12px;
}

.knowledge-relation-list {
  display: grid;
  gap: 6px;
}

.knowledge-relation {
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: 12px;
}

.knowledge-hint {
  margin-left: auto;
  color: var(--color-ink-soft);
  font-size: 12px;
}

.knowledge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  height: calc(100vh - 64px);
  height: calc(100dvh - 64px);
}

.knowledge-canvas {
  width: 100%;
  height: 100%;
  background: var(--color-surface);
}

.knowledge-detail {
  padding: 18px;
  border-left: 1px solid var(--color-line);
  background: var(--color-surface);
  overflow-y: auto;
  color: var(--color-ink-soft);
  font-size: 13px;
}

.knowledge-detail h3 {
  margin: 0 0 10px;
  color: var(--color-brand-strong);
  font-size: 15px;
}

.knowledge-detail p {
  margin: 0 0 10px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.knowledge-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 16px;
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
  font-size: 12px;
}

.knowledge-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-ink-soft);
}

.knowledge-legend-item i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mobile-nav {
  display: none;
}

dialog {
  width: min(420px, calc(100vw - 24px));
  padding: 0;
  border: 1px solid rgba(35, 26, 17, 0.1);
  border-radius: 22px;
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

dialog::backdrop {
  background: rgba(35, 26, 17, 0.18);
}

dialog form {
  display: grid;
  gap: 14px;
  padding: 24px;
}

dialog h2 {
  margin: 0;
  font-size: 21px;
}

dialog p,
dialog label {
  margin: 0;
  color: var(--color-ink-soft);
}

dialog input[aria-invalid="true"] {
  border-color: rgba(163, 61, 42, 0.42);
  box-shadow: 0 0 0 4px rgba(163, 61, 42, 0.12);
}

.dialog-error {
  padding: 10px 12px;
  border: 1px solid rgba(163, 61, 42, 0.2);
  border-radius: var(--radius-sm);
  background: var(--color-danger-faint);
  color: var(--color-danger);
  font-size: 13px;
}

dialog div:last-child {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

dialog button {
  padding: 10px 16px;
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

dialog button[value="confirm"] {
  background: var(--color-danger);
}

dialog button[value="confirm"]:hover {
  background: #8f3d37;
}

#toast-region,
.toast-region {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 24;
  display: grid;
  gap: 10px;
  width: min(320px, calc(100vw - 24px));
}

#toast-region > *,
.toast-region > * {
  padding: 12px 14px;
  border: 1px solid rgba(35, 26, 17, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 248, 242, 0.96);
  box-shadow: 0 12px 28px rgba(35, 26, 17, 0.08);
  color: var(--color-ink);
}

#toast-region > *[data-tone="success"],
.toast-region > *[data-tone="success"] {
  border-color: rgba(182, 62, 37, 0.22);
  color: rgb(23, 72, 56);
}

#toast-region > *[data-tone="danger"],
.toast-region > *[data-tone="danger"] {
  border-color: rgba(163, 61, 42, 0.22);
  color: rgb(135, 53, 46);
}

/* ---- 24 小时重点新闻汇总 ---- */
.news-summary-button {
  width: 100%;
  margin: 0 0 16px;
  padding: 13px 18px;
  border: 1px solid rgba(182, 62, 37, 0.28);
  border-radius: 14px;
  background: var(--color-gold-faint);
  color: var(--color-brand-strong);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.news-summary-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
  background: rgba(243, 222, 143, 0.42);
}

.summary-body {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 15px;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.summary-outlook-title {
  margin: 22px 0 8px;
  color: var(--color-brand-strong);
  font-size: 15px;
}

.summary-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

/* ---- 按来源分类 ---- */
.news-source-panel {
  margin: -8px 0 18px;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  animation: news-source-in 0.16s ease-out;
}

@keyframes news-source-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.news-source-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

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

.news-source-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 8px;
}

.news-source-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.news-source-option:hover {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
}

.news-source-option.active {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
  color: var(--color-brand-strong);
  font-weight: 800;
}

.news-source-count {
  color: var(--color-ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.news-source-empty {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 13px;
}

.news-source-clear {
  margin-top: 12px;
}

.news-filter-source.active {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
  color: var(--color-brand-strong);
}

/* ---- dsh 提问卡片（ask_user_question） ---- */
.question-card {
  margin: 12px 0 4px;
  padding: 14px 16px;
  border: 1px solid rgba(182, 62, 37, 0.28);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.question-card-head {
  margin-bottom: 8px;
  color: var(--color-brand-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.question-item + .question-item {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-line);
}

.question-header {
  margin: 0 0 4px;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 700;
}

.question-text {
  margin: 0 0 4px;
  color: var(--color-ink);
  font-size: 14px;
  line-height: 1.6;
}

.question-detail {
  margin: 0 0 8px;
  color: var(--color-ink-soft);
  font-size: 12px;
  white-space: pre-wrap;
}

.question-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.question-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 8px 12px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.question-option:hover {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
}

.question-option.selected {
  border-color: var(--color-brand);
  background: var(--color-brand-faint);
  color: var(--color-brand-strong);
}

.question-option-desc {
  color: var(--color-ink-soft);
  font-size: 11px;
  font-weight: 500;
}

.question-custom {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 13px;
  outline: none;
}

.question-custom:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-faint);
}

.question-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

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

.question-hint.danger {
  color: var(--color-danger);
}

.question-summary {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-line);
  color: var(--color-ink-soft);
  font-size: 12px;
}

.question-card.is-submitted .question-option,
.question-card.is-submitted .question-custom {
  opacity: 0.75;
  pointer-events: none;
}

.question-card.is-resolved {
  border-color: var(--color-line);
}

.site-icp {
  margin: 18px 0 0;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
}

.site-icp a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.site-icp a:hover {
  color: var(--color-brand);
  text-decoration: underline;
}

.account-panel .site-icp {
  margin: 14px 0 4px;
}

@media (max-width: 767px) {
  html {
    touch-action: manipulation;
  }

  .auth-view,
  .app-shell,
  .conversation-panel,
  .chat-panel,
  .account-panel {
    min-height: 100dvh;
  }

  .app-status {
    top: 12px;
  }

  .auth-view {
    padding: 20px 14px;
  }

  .auth-card {
    padding: 30px 20px 22px;
    border-radius: 22px;
  }

  .app-shell {
    display: block;
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
    overflow: visible;
  }

  .app-shell,
  .conversation-panel,
  .chat-panel,
  .account-panel {
    height: auto;
  }

  .conversation-panel,
  .chat-panel,
  .account-panel {
    width: 100%;
  }

  .conversation-panel,
  .chat-panel {
    position: relative;
  }

  .conversation-panel {
    border-right: 0;
  }

  .sidebar-head,
  .sidebar-tools,
  .sidebar-foot {
    padding-left: 14px;
    padding-right: 14px;
  }

  .sidebar-account-open {
    display: none;
  }

  .sidebar-head {
    padding-top: 18px;
    padding-bottom: 12px;
  }

  .sidebar-tools {
    padding-bottom: 10px;
  }

  .conv-list {
    padding: 6px 10px 16px;
  }

  .conv-item {
    margin-bottom: 8px;
    padding: 14px 52px 12px 14px;
  }

  .chat-topbar {
    position: sticky;
    top: 0;
    z-index: 8;
    min-height: 64px;
    padding: 12px 14px;
  }

  .chat-topbar .icon-button:first-child {
    display: inline-grid;
  }

  .chat-title {
    font-size: 16px;
  }

  .chat-empty {
    padding: 24px 16px 18px;
  }

  .chat-messages,
  .chat-reading-column,
  .chat-input-wrap {
    width: 100%;
  }

  .chat-messages {
    padding: 16px 12px 14px;
  }

  .bubble,
  .msg-think,
  .tool-item,
  .assistant-note,
  details.analysis-detail {
    width: min(100%, 100%);
    max-width: 100%;
  }

  .bubble {
    width: auto;
    max-width: 88%;
    padding: 14px 15px;
  }

  .msg.user .bubble {
    max-width: 85%;
  }

  .msg.assistant .bubble {
    max-width: 92%;
  }

  .md-body table {
    white-space: normal;
    font-size: 0.82em;
    overflow-x: auto;
  }

  .md-body th,
  .md-body td {
    padding: 6px 8px;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .md-body pre {
    font-size: 0.82em;
  }

  .chat-input-wrap {
    position: sticky;
    bottom: 0;
    z-index: 8;
    gap: 10px;
    padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
    background: rgba(248, 234, 226, 0.94);
    backdrop-filter: blur(16px);
  }

  #chat-input {
    min-height: 48px;
    max-height: 140px;
    padding: 12px 14px;
    font-size: 17px;
  }

  body {
    font-size: 16.5px;
  }

  .bubble {
    font-size: 16.5px;
    line-height: 1.7;
  }

  .conv-item .conv-title {
    font-size: 16px;
  }

  .chat-title {
    font-size: 17px;
  }

  .msg-time {
    font-size: 12px;
  }

  .md-body strong,
  .md-body b {
    color: #1a5bff;
    font-weight: 700;
  }

  .btn-send {
    min-width: 88px;
    padding: 12px 14px;
  }

  .account-panel {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    max-width: none;
    padding: 18px 14px calc(18px + env(safe-area-inset-bottom));
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: var(--color-canvas);
  }

  .news-panel {
    padding: 16px 14px calc(96px + env(safe-area-inset-bottom));
  }

  .news-header h2 {
    font-size: 21px;
  }

  .news-header {
    flex-wrap: wrap;
  }

  .news-tools {
    width: 100%;
  }

  .news-search {
    flex: 1;
    width: auto;
  }

  .news-detail-body {
    padding: 16px 14px 64px;
  }

  .news-detail-title {
    font-size: 19px;
  }

  .news-backup-actions {
    width: 100%;
  }

  .news-onboarding-actions {
    flex-direction: column;
  }

  .news-onboarding-actions .button {
    width: 100%;
  }

  .knowledge-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 55vh auto;
    height: auto;
  }

  .knowledge-detail {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  dialog {
    width: min(100vw - 20px, 360px);
  }

  dialog form {
    padding: 18px;
  }

  #toast-region,
  .toast-region {
    right: 10px;
    left: 10px;
    bottom: calc(10px + env(safe-area-inset-bottom));
    width: auto;
  }

  .question-card {
    padding: 12px 12px;
  }

  .question-option {
    width: 100%;
  }

  .news-source-list {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .news-source-panel {
    padding: 13px;
  }

  .news-summary-button {
    font-size: 14px;
  }

  .summary-body {
    font-size: 14px;
    padding: 14px;
  }


  .mobile-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(35, 26, 17, 0.08);
    background: rgba(255, 248, 242, 0.96);
    backdrop-filter: blur(16px);
  }

  .mobile-nav .icon-button {
    width: 100%;
    min-width: 0;
    height: auto;
    min-height: 52px;
    padding: 10px 12px;
    justify-content: center;
    gap: 6px;
    grid-auto-flow: row;
    border-radius: 16px;
    background: var(--color-surface);
  }

  .mobile-nav .icon-button span {
    font-size: 12px;
    font-weight: 700;
  }

  .mobile-nav .icon-button[aria-current="page"] {
    border-color: rgba(182, 62, 37, 0.22);
    background: rgba(182, 62, 37, 0.1);
    color: var(--color-brand-strong);
  }

  .app-shell[data-mobile-page="conversations"] .conversation-panel,
  .app-shell[data-mobile-page="chat"] .chat-panel,
  .app-shell[data-mobile-page="account"] .account-panel,
  .app-shell[data-mobile-page="news"] .news-panel {
    display: flex;
    flex-direction: column;
  }

  .app-shell[data-mobile-page="conversations"] .chat-panel,
  .app-shell[data-mobile-page="conversations"] .account-panel,
  .app-shell[data-mobile-page="conversations"] .news-panel,
  .app-shell[data-mobile-page="chat"] .conversation-panel,
  .app-shell[data-mobile-page="chat"] .account-panel,
  .app-shell[data-mobile-page="chat"] .news-panel,
  .app-shell[data-mobile-page="account"] .conversation-panel,
  .app-shell[data-mobile-page="account"] .chat-panel,
  .app-shell[data-mobile-page="account"] .news-panel,
  .app-shell[data-mobile-page="news"] .conversation-panel,
  .app-shell[data-mobile-page="news"] .chat-panel,
  .app-shell[data-mobile-page="news"] .account-panel {
    display: none;
  }

  .app-shell[data-mobile-page="chat"] .mobile-nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}