@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root {
  --chat-width: 860px;
  --bg: #ecfbff;
  --bg-soft: #f5fffe;
  --panel: #f4fdff;
  --surface: #ffffff;
  --surface-2: #f7fdff;
  --line: #dceef5;
  --line-strong: #cae4ef;
  --ink: #0f172a;
  --ink-muted: #4f6978;
  --primary: #0d81a7;
  --primary-press: #0b6f90;
  --primary-soft: #e8faff;
  --accent: #16c8b8;
  --danger: #b42318;
  --warning: #b54708;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --shadow-sm: 0 10px 26px rgba(7, 31, 51, 0.1);
  --shadow-md: 0 18px 42px rgba(7, 31, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: auto;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  font-family: "Figtree", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #ffffff;
  overflow-x: hidden;
  overflow-y: auto;
}

[hidden] {
  display: none !important;
}

.scene {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 18%, rgba(26, 157, 219, 0.2), transparent 36%),
    radial-gradient(circle at 88% 22%, rgba(22, 200, 184, 0.16), transparent 34%),
    radial-gradient(circle at 52% 84%, rgba(12, 132, 182, 0.12), transparent 42%);
  background-size: 120% 120%, 120% 120%, 120% 120%;
  animation: bg-flow 18s ease-in-out infinite alternate;
  opacity: 0;
  transition: opacity 0.25s ease;
}

body.bg-colored {
  background: linear-gradient(180deg, #f5fcff 0%, var(--bg) 46%, var(--bg-soft) 100%);
}

body.bg-colored .scene {
  opacity: 1;
}

@keyframes bg-flow {
  0% {
    transform: translate3d(-1.5%, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(1.5%, -1%, 0) scale(1.04);
  }
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 78px 20px 10px;
  min-height: 100vh;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(120px, 24vh, 200px);
  text-align: center;
}

.hero-title h1 {
  margin: 0;
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.15;
  color: #09293e;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-shadow: none;
}

body.bg-colored .hero-title h1 {
  color: #ffffff;
  text-shadow: 0 8px 24px rgba(7, 43, 66, 0.38);
}

body.conversation-started .hero-title {
  display: none;
}

body:not(.conversation-started) .shell {
  padding-top: 0;
  justify-content: center;
}

body:not(.conversation-started) .layout {
  flex: 0 0 auto;
  min-height: auto;
  margin-top: -18px;
}

body:not(.conversation-started) .chat {
  flex: 0 0 auto;
  min-height: auto;
  height: auto;
}

body:not(.conversation-started) .messages,
body:not(.conversation-started) .scroll-bottom-btn,
body:not(.conversation-started) .tcm-flow,
body:not(.conversation-started) .tcm-status-stream,
body:not(.conversation-started) .tcm-panel,
body:not(.conversation-started) .activity {
  display: none !important;
}

body:not(.conversation-started) .composer {
  position: relative;
  bottom: auto;
  width: min(var(--chat-width), 100%);
  margin: 6px auto 0;
  transform: translateY(-10px);
}

body.conversation-started .composer {
  bottom: 12px;
}

.sidebar-toggle {
  position: fixed;
  left: 18px;
  top: 16px;
  transform: none;
  z-index: 40;
  width: 44px;
  height: 44px;
  min-height: 44px;
  border: 1px solid #c9daf5;
  border-radius: 14px;
  background: rgba(248, 254, 255, 0.86);
  color: #0f4e68;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(12, 74, 110, 0.16);
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.sidebar-toggle:hover {
  transform: translateY(0) translateX(1px);
  background: rgba(244, 253, 255, 0.97);
}

.sidebar-toggle-dot {
  width: 16px;
  height: 16px;
  border-radius: 6px;
  background: linear-gradient(180deg, #0891b2 0%, #2dd4bf 100%);
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.14);
}

.sidebar-toggle-text {
  display: none;
}

.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 29;
  background: rgba(7, 21, 34, 0.18);
  backdrop-filter: blur(1px);
}

.demo-drawer {
  position: fixed;
  left: 14px;
  top: 14px;
  bottom: 14px;
  width: min(320px, calc(100vw - 34px));
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  border-radius: 20px;
  border: 1px solid rgba(100, 193, 218, 0.45);
  background:
    linear-gradient(180deg, rgba(250, 255, 255, 0.84) 0%, rgba(237, 251, 255, 0.9) 100%);
  box-shadow: 0 20px 40px rgba(8, 54, 81, 0.22);
  backdrop-filter: blur(12px);
  transform: translateX(-120%);
  transition: transform 0.28s ease;
}

.drawer-mode-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-drawer.is-open {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.drawer-head h2 {
  margin: 0;
  font-size: 18px;
}

.drawer-close {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(130, 202, 223, 0.58);
  background: rgba(255, 255, 255, 0.75);
  color: #0f5d7b;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.toggle-btn {
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #bfe0ec;
  background: rgba(255, 255, 255, 0.86);
  color: #155370;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.toggle-btn:hover {
  background: #f3f4f6;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.toggle-btn.strong {
  background: linear-gradient(135deg, #0b88ad 0%, #2ccab8 100%);
  border-color: transparent;
  color: #ffffff;
}

.toggle-btn.strong:hover {
  background: linear-gradient(135deg, #0d7ea0 0%, #22b8a8 100%);
}

.llm-switcher {
  margin-top: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid #c8e5ee;
  background: rgba(255, 255, 255, 0.82);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.llm-switcher-title {
  color: #155370;
  font-size: 13px;
  font-weight: 700;
}

.llm-switcher-label {
  color: #4d6476;
  font-size: 12px;
  font-weight: 600;
}

.llm-select,
.llm-input {
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid #bfe0ec;
  background: #ffffff;
  color: #0f172a;
  font-size: 13px;
  font-weight: 600;
  padding: 0 10px;
}

.llm-input {
  width: 100%;
}

.llm-select:focus-visible,
.llm-input:focus-visible {
  outline: 3px solid rgba(13, 129, 167, 0.25);
  outline-offset: 1px;
}

.drawer-hint {
  margin: 0;
  color: #5f7483;
  font-size: 12px;
  line-height: 1.45;
}

.drawer-hint[data-type="success"] {
  color: #0f766e;
}

.drawer-hint[data-type="error"] {
  color: var(--danger);
}

.layout {
  width: min(var(--chat-width), 100%);
  margin: 0 auto;
  padding-top: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.layout.demo-collapsed {
  width: min(980px, 100%);
}

.card {
  background: var(--surface);
  border: 1px solid rgba(59, 130, 246, 0.14);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.panel {
  padding: 16px;
  background: #ffffff;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 16px;
}

.chip {
  width: 100%;
  min-height: 46px;
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid #c8e5ee;
  background: rgba(255, 255, 255, 0.78);
  color: #16394d;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.chip:hover {
  border-color: #94d1e2;
  background: rgba(233, 251, 255, 0.95);
  transform: translateY(-1px);
}

.legend {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.legend h3 {
  margin: 0 0 8px;
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
}

.legend p {
  margin: 6px 0;
  font-size: 13px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.risk-low {
  background: rgba(34, 197, 94, 0.14);
  color: #106b38;
}

.risk-high {
  background: rgba(180, 35, 24, 0.12);
  color: #a21f14;
}

.chat {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  height: auto;
  width: min(var(--chat-width), 100%);
  margin: 0 auto;
  padding: 0;
  background: transparent;
  box-shadow: none;
  position: relative;
}

.top-left-tools {
  position: fixed;
  top: 16px;
  left: 72px;
  z-index: 39;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mode-switch {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 6px;
  margin: 0;
  padding: 4px;
  border: 1px solid #c9daf5;
  border-radius: 999px;
  background: rgba(246, 253, 255, 0.9);
  backdrop-filter: blur(8px);
  width: fit-content;
  position: static;
}

.mode-tab {
  min-height: 34px;
  padding: 0 14px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: #4a6075;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.mode-tab:hover {
  background: #eef5ff;
}

.mode-tab.is-active {
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.22);
}

.title-color-btn {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid #c6e1ec;
  border-radius: 999px;
  background: rgba(246, 253, 255, 0.9);
  color: #16435b;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.title-color-btn:hover {
  background: rgba(238, 251, 255, 0.96);
}

.title-color-btn.top-right {
  position: fixed;
  top: 16px;
  right: 18px;
  z-index: 39;
}

.tcm-flow {
  margin: 0 8px 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.flow-step {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 12px;
  border: 1px solid #dce8f8;
  background: #ffffff;
  color: #5f7388;
}

.flow-index {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d1def2;
  background: #f8fafc;
  font-size: 12px;
  font-weight: 700;
}

.flow-text {
  font-size: 13px;
  font-weight: 700;
}

.flow-step.is-active {
  border-color: #b8cef8;
  background: #eff6ff;
  color: #1e3a8a;
}

.flow-step.is-active .flow-index {
  border-color: #7fa1ec;
  background: #dbeafe;
  color: #1e40af;
}

.flow-step.is-done {
  border-color: #b7ebd0;
  background: #eefaf3;
  color: #0f7a44;
}

.flow-step.is-done .flow-index {
  border-color: #7fd6a8;
  background: #dcfce7;
  color: #0f7a44;
}

.tcm-status-stream {
  margin: 0 8px 10px;
  padding: 8px 10px 6px;
  border-radius: 10px;
  border: 1px solid #dbe7fa;
  background: rgba(255, 255, 255, 0.9);
}

.tcm-status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
}

.tcm-status-indicator {
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  border: 1px solid #3b82f6;
  background: #3b82f6;
}

.tcm-status-text {
  color: #1e3a8a;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.tcm-status-history {
  margin-top: 2px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.45;
  padding-left: 16px;
}

.tcm-status-stream.is-running .tcm-status-indicator {
  animation: dot-pulse 1.2s ease-in-out infinite;
}

.tcm-status-stream.is-success .tcm-status-indicator {
  border-color: #16a34a;
  background: #22c55e;
}

.tcm-status-stream.is-success .tcm-status-text {
  color: #0f7a44;
}

.tcm-status-stream.is-error .tcm-status-indicator {
  border-color: #dc2626;
  background: #ef4444;
}

.tcm-status-stream.is-error .tcm-status-text {
  color: #b42318;
}

.messages {
  flex: 1 1 auto;
  min-height: 0;
  height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 8px 116px;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  -ms-overflow-style: auto;
}

.messages.has-content {
  padding: 8px 8px 116px;
}

.chat.tcm-compact .messages {
  flex: 0 0 auto;
  height: auto;
  max-height: min(220px, 38vh);
  padding: 0 8px 10px;
  overflow-y: auto;
  overflow-x: hidden;
}

.chat.tcm-compact .messages.has-content {
  padding: 0 8px 10px;
}

.chat.tcm-compact .thread:empty {
  display: none;
}

.thread {
  display: flex;
  flex-direction: column;
}

.messages::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

.messages::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  border: 2px solid transparent;
}

.scroll-bottom-btn {
  position: absolute;
  right: 20px;
  bottom: 96px;
  min-height: 36px;
  border: 1px solid #c9daf5;
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.96);
  color: #1e3a8a;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.1);
  z-index: 4;
}

.scroll-bottom-btn:hover {
  border-color: #a9c3f1;
  background: #f3f7ff;
}

.msg {
  display: flex;
  align-items: flex-start;
  margin: 12px 0;
}

.msg.user {
  justify-content: flex-end;
}

.msg.user .msg-body {
  align-items: flex-end;
  max-width: min(680px, 78%);
  gap: 8px;
}

.msg.assistant .msg-body {
  gap: 8px;
}

.msg-body {
  max-width: min(760px, 86%);
  display: flex;
  flex-direction: column;
}

.msg.system {
  justify-content: flex-start;
}

.msg.system .msg-body {
  max-width: min(760px, 86%);
}

.tcm-thinking-card {
  margin: 6px 0 10px;
}

.tcm-thinking-shell {
  min-height: 28px;
  padding: 0 2px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
  color: #8f9399;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.tcm-thinking-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid #a3a8af;
  background: #a3a8af;
  opacity: 0.7;
}

.tcm-thinking-card.is-running .tcm-thinking-indicator {
  animation: dot-pulse 1.4s ease-in-out infinite;
}

.tcm-thinking-card.step-switch .tcm-thinking-headline {
  animation: thinking-marquee-fade 0.52s ease;
}

.tcm-thinking-card.is-success .tcm-thinking-indicator {
  border-color: #9ca3af;
  background: #9ca3af;
}

.tcm-thinking-card.is-success .tcm-thinking-headline {
  color: #8f9399;
}

.tcm-thinking-card.is-error .tcm-thinking-indicator {
  border-color: #a7a7aa;
  background: #a7a7aa;
}

.tcm-thinking-card.is-error .tcm-thinking-headline {
  color: #8f9399;
}

.tcm-thinking-headline {
  line-height: 1.45;
  color: #8f9399;
}

@keyframes thinking-marquee-fade {
  0% {
    opacity: 0.35;
    filter: blur(0.8px);
    transform: translateY(1px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

.bubble {
  border-radius: var(--radius-md);
  padding: 12px 14px;
  border: 1px solid rgba(59, 130, 246, 0.14);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.65;
  font-size: 15px;
}

.msg.user .bubble {
  border: 1px solid #dddddf;
  background: #e9e9eb;
  color: #2f2f33;
  white-space: pre-wrap;
  box-shadow: none;
}

.msg.user .msg-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-end;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.msg.user:hover .msg-actions,
.msg.user:focus-within .msg-actions {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.user-action-btn {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 8px;
  padding: 0;
  background: transparent;
  color: #8b8b90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.user-action-btn:hover {
  background: rgba(48, 48, 56, 0.08);
  color: #636369;
}

.user-action-btn.is-done {
  color: #2563eb;
}

.user-action-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.msg.assistant .bubble p {
  margin: 0 0 9px;
}

.msg.assistant .bubble {
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 0;
  font-size: 16px;
  line-height: 1.72;
}

.msg.assistant .bubble p:last-child {
  margin-bottom: 0;
}

.msg.assistant .bubble h1,
.msg.assistant .bubble h2,
.msg.assistant .bubble h3,
.msg.assistant .bubble h4 {
  margin: 0 0 10px;
  line-height: 1.4;
  font-size: 1.04em;
}

.msg.assistant .bubble ul,
.msg.assistant .bubble ol {
  margin: 0 0 10px;
  padding-left: 1.25em;
}

.msg.assistant .bubble li {
  margin: 4px 0;
}

.msg.assistant .bubble code {
  font-family: "Cascadia Mono", "Consolas", monospace;
  font-size: 0.92em;
  background: #ecf4fa;
  border-radius: 6px;
  padding: 1px 5px;
}

.msg.assistant .bubble pre {
  margin: 10px 0;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #d4e3f0;
  background: #f6fbff;
  overflow: auto;
}

.msg.assistant .bubble pre code {
  background: transparent;
  padding: 0;
}

.msg.assistant .msg-actions {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 4px;
  margin-top: 6px;
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.msg.assistant:hover .msg-actions,
.msg.assistant:focus-within .msg-actions {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.assistant-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  padding: 0;
  background: transparent;
  color: #8b8b90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.assistant-action-btn:hover {
  background: rgba(48, 48, 56, 0.08);
  color: #636369;
}

.assistant-action-btn.is-done,
.assistant-action-btn.is-active {
  color: #2563eb;
}

.assistant-action-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.assistant-action-btn[data-assistant-action="meta"] {
  display: none;
}

.bubble.streaming::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 0.92em;
  margin-left: 4px;
  vertical-align: -0.15em;
  border-radius: 2px;
  background: rgba(37, 99, 235, 0.82);
  animation: cursor-blink 1s steps(2, start) infinite;
}

.msg.assistant .bubble.streaming {
  white-space: pre-wrap;
}

.msg.assistant .bubble.markdown-transition {
  transition: opacity 0.14s ease, filter 0.14s ease;
  opacity: 0.92;
  filter: saturate(0.98);
}

.bubble.streaming:not(.has-text) {
  position: relative;
  width: 7px;
  height: 7px;
  margin: 8px 4px;
  padding: 0;
  border: none;
  background: #a9b8c8;
  border-radius: 50%;
  box-shadow: none;
  animation: typing-dot-seq 0.9s ease-in-out infinite;
  animation-delay: 0.2s;
}

.bubble.streaming:not(.has-text)::before,
.bubble.streaming:not(.has-text)::after {
  content: "";
  position: absolute;
  top: 0;
  width: 7px;
  height: 7px;
  margin: 0;
  border-radius: 50%;
  background: #a9b8c8;
}

.bubble.streaming:not(.has-text)::before {
  left: -11px;
  animation: typing-dot-seq 0.9s ease-in-out infinite;
  animation-delay: 0s;
}

.bubble.streaming:not(.has-text)::after {
  left: 11px;
  animation: typing-dot-seq 0.9s ease-in-out infinite;
  animation-delay: 0.4s;
}

@keyframes cursor-blink {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@keyframes dot-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes progress-dot-halo {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.22);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
  }
}

@keyframes typing-dot-seq {
  0%,
  60%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-2px);
  }
}

.meta {
  margin-top: 8px;
}

.meta.hidden {
  display: none;
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid #d8e5f8;
  background: #f6f9ff;
  color: #334155;
  font-size: 12px;
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
}

.meta-chip strong {
  font-weight: 700;
}

.meta-chip.risk-high {
  background: #fff1f0;
  border-color: #f6c8c4;
  color: var(--danger);
}

.meta-chip.risk-low {
  background: #eefaf3;
  border-color: #c7eed7;
  color: #0f7a44;
}

.meta-chip.handoff-on {
  background: #fff6ea;
  border-color: #f3d5a6;
  color: var(--warning);
}

.meta-chip.refs-empty {
  opacity: 0.8;
}

body.mode-tcm .msg.assistant .assistant-action-btn[data-assistant-action="meta"] {
  display: inline-flex;
}

body.mode-tcm .meta {
  margin-top: 6px;
}

body.mode-tcm .meta-grid {
  gap: 5px;
}

body.mode-tcm .meta-chip {
  min-height: 24px;
  padding: 0 8px;
  border-color: #e0e8f3;
  background: #f8fbff;
  font-size: 11px;
}

.tcm-guide {
  margin: 8px 0 12px;
  max-width: min(760px, 88%);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid #dbe8f8;
  background: #f7fbff;
}

.tcm-guide-title {
  color: #17364e;
  font-size: 15px;
  font-weight: 700;
}

.tcm-guide-desc {
  margin: 6px 0 0;
  color: #4f6478;
  font-size: 13px;
  line-height: 1.58;
}

.tcm-guide-examples {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tcm-guide-examples p {
  margin: 0;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #e4edf8;
  background: #ffffff;
  color: #2b4560;
  font-size: 13px;
  line-height: 1.55;
}

.suggestions {
  margin: 8px 0 10px;
  max-width: min(720px, 82%);
  padding: 4px 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

.suggestions-title {
  margin-bottom: 4px;
  color: #6b7280;
  font-size: 13px;
  font-weight: 600;
}

.suggestion-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.suggest-chip {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  width: auto;
  max-width: 100%;
  padding: 10px 16px;
  border-radius: 20px;
  border: 1px solid #e6e6e9;
  background: #f2f2f4;
  color: #2f2f33;
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.suggest-chip:hover {
  background: #ededf0;
  border-color: #dddde2;
}

.tcm-panel {
  margin: 4px 8px 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid #e4ebf3;
  background: #ffffff;
}

.tcm-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.tcm-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef2ff;
  border: 1px solid #cdd8f8;
  color: #1e3a8a;
  font-size: 12px;
  font-weight: 700;
}

.tcm-progress-card {
  margin: 0 8px 8px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid #e4ebf3;
  background: #ffffff;
}

.tcm-progress-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tcm-progress-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: #f3f5f8;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.tcm-progress-indicator {
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  border: 1px solid #cbd5e1;
  background: #cbd5e1;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tcm-progress-item.is-pending {
  background: #f3f5f8;
  border-color: transparent;
  color: #64748b;
}

.tcm-progress-item.is-pending .tcm-progress-indicator {
  border-color: #cbd5e1;
  background: #cbd5e1;
}

.tcm-progress-item.is-active {
  background: #eff6ff;
  border-color: #dbeafe;
  color: #1e3a8a;
}

.tcm-progress-item.is-active .tcm-progress-indicator {
  border-color: #3b82f6;
  background: #3b82f6;
  animation: dot-pulse 1.15s ease-in-out infinite, progress-dot-halo 1.3s ease-out infinite;
}

.tcm-progress-item.is-done {
  background: #eefbf3;
  border-color: #d1f1de;
  color: #0f7a44;
}

.tcm-progress-item.is-done .tcm-progress-indicator {
  border-color: #16a34a;
  background: #22c55e;
}

.tcm-progress-item.is-error {
  background: #fef2f2;
  border-color: #fee2e2;
  color: #b42318;
}

.tcm-progress-item.is-error .tcm-progress-indicator {
  border-color: #dc2626;
  background: #ef4444;
}

.tcm-analysis-stack {
  margin-bottom: 8px;
}

.tcm-analysis-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tcm-analysis-card {
  margin: 0;
  padding: 12px 2px 18px;
  border: 0;
  border-bottom: 1px solid #e4e9ee;
  background: transparent;
}

.tcm-analysis-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.tcm-analysis-title {
  margin-bottom: 0;
  color: #687786;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tcm-analysis-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tcm-result-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 14px 0 16px;
  border-top: 1px solid #edf0f2;
  border-bottom: 1px solid #edf0f2;
}

.tcm-result-primary {
  min-width: 0;
}

.tcm-result-kicker,
.tcm-result-confidence-label {
  display: block;
  color: #7a8792;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tcm-result-syndrome {
  margin-top: 4px;
  color: #16384d;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.25;
}

.tcm-result-reason {
  max-width: 680px;
  margin: 7px 0 0;
  color: #536572;
  font-size: 13px;
  line-height: 1.6;
}

.tcm-result-confidence {
  min-width: 118px;
  text-align: right;
}

.tcm-result-stars {
  display: block;
  margin-top: 5px;
  color: #a56f28;
  font-size: 17px;
  letter-spacing: 0.08em;
  line-height: 1;
  white-space: nowrap;
}

.tcm-result-confidence-text {
  display: block;
  margin-top: 5px;
  color: #596a76;
  font-size: 12px;
}

.tcm-result-alternatives {
  color: #52626d;
  font-size: 13px;
  line-height: 1.55;
}

.tcm-result-section-title {
  margin-bottom: 2px;
  color: #77838d;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tcm-analysis-candidates {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tcm-analysis-candidate {
  padding: 10px 0;
  border-bottom: 1px solid #eef1f3;
}

.tcm-analysis-candidate:last-child {
  border-bottom: 0;
}

.tcm-analysis-candidate-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.tcm-analysis-candidate-rank {
  flex: 0 0 36px;
  color: #8a6d42;
  font-size: 11px;
  font-weight: 700;
}

.tcm-analysis-candidate-name {
  color: #102d45;
  font-size: 14px;
  font-weight: 700;
}

.tcm-analysis-candidate-reason {
  margin-top: 4px;
  padding-left: 44px;
  color: #596a76;
  font-size: 13px;
  line-height: 1.55;
}

.tcm-analysis-note {
  color: #4c6277;
  font-size: 13px;
  line-height: 1.5;
}

.tcm-analysis-message {
  color: #536572;
}

.tcm-medicine-section {
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid #edf0f2;
}

.tcm-medicine-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  color: #12344e;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.tcm-medicine-title::-webkit-details-marker {
  display: none;
}

.tcm-medicine-title span {
  color: #87939c;
  font-size: 11px;
  font-weight: 500;
}

.tcm-medicine-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tcm-medicine-item {
  border: 0;
  border-bottom: 1px solid #edf0f2;
  padding: 8px 0 10px;
}

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

.tcm-medicine-name {
  color: #102d45;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.tcm-medicine-line {
  color: #3f556a;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 2px;
}

.tcm-medicine-line strong {
  color: #1e3a8a;
  font-weight: 700;
}

.tcm-medicine-evidence {
  margin-top: 6px;
  border-top: 1px dashed #dbe5f1;
  padding-top: 6px;
}

.tcm-medicine-evidence summary {
  cursor: pointer;
  color: #52667a;
  font-size: 12px;
  font-weight: 600;
  list-style: none;
}

.tcm-medicine-evidence summary::-webkit-details-marker {
  display: none;
}

.tcm-medicine-evidence-source {
  margin-top: 6px;
  color: #5b6f82;
  font-size: 12px;
}

.tcm-medicine-evidence-excerpt {
  margin-top: 4px;
  color: #4b6074;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.tcm-analysis-stack + .tcm-form {
  margin-top: 10px;
}

.tcm-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 10px;
}

.tcm-question-card {
  position: relative;
  overflow: hidden;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid #dce8f8;
  background: #ffffff;
  transform: translateX(0);
  opacity: 1;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.tcm-question-card.is-enter {
  transform: translateX(14px);
  opacity: 0;
}

.tcm-question-card.is-leave {
  transform: translateX(-14px);
  opacity: 0;
}

.tcm-card-progress {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  color: #4f6b85;
}

.tcm-card-title {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: #17364e;
}

.tcm-card-purpose {
  display: block;
  margin-top: 6px;
  color: #5a7083;
  font-size: 13px;
}

.tcm-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.tcm-option-chip {
  display: block;
  cursor: pointer;
}

.tcm-option-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.tcm-option-text {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid #d6e3f8;
  background: #f8fafc;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.18s ease;
}

.tcm-option-chip[data-value="不确定"] .tcm-option-text {
  border-style: dashed;
  color: #4d6576;
}

.tcm-option-chip:hover .tcm-option-text {
  background: #eff6ff;
  border-color: #b8c4d7;
}

.tcm-option-input:focus-visible + .tcm-option-text {
  outline: 3px solid rgba(37, 99, 235, 0.28);
  outline-offset: 1px;
}

.tcm-option-input:checked + .tcm-option-text {
  background: #eff6ff;
  border-color: #88a2f0;
  color: #1e3a8a;
  box-shadow: inset 0 0 0 1px #7c97ee;
}

.tcm-partial-box {
  margin-top: 12px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #e0e7ff;
  background: #f8faff;
}

.tcm-partial-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: #3a4b62;
}

.tcm-option-vertical-box {
  margin-top: 12px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #dbe6f5;
  background: #f8fbff;
}

.tcm-option-vertical-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tcm-option-vertical-item {
  width: 100%;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid #cdd8ea;
  background: #ffffff;
  color: #1f3450;
  text-align: left;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tcm-option-vertical-item:hover {
  border-color: #9ab2d6;
  background: #f5f9ff;
}

.tcm-option-vertical-item.is-active {
  border-color: #2f6fb2;
  background: #e5f0ff;
  color: #143f6a;
  box-shadow: inset 0 0 0 1px #2f6fb2;
}

.tcm-option-vertical-item-other {
  border-style: dashed;
}

.tcm-option-vertical-item-uncertain {
  color: #66737f;
  font-weight: 600;
}

.tcm-partial-chips {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tcm-partial-chip {
  min-height: 34px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #1f2937;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tcm-partial-chip:hover {
  border-color: #94a3b8;
  background: #f8fafc;
}

.tcm-partial-chip.is-active {
  border-color: #4f46e5;
  background: #eef2ff;
  color: #312e81;
}

.tcm-partial-chip.tcm-partial-chip-other {
  border-style: dashed;
}

.tcm-partial-other {
  margin-top: 8px;
}

.tcm-partial-other-input {
  width: 100%;
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid #c7d2fe;
  background: #ffffff;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.4;
  color: #0f172a;
}

.tcm-partial-other-input:focus {
  outline: 3px solid rgba(99, 102, 241, 0.22);
  outline-offset: 1px;
}

.tcm-rating-box {
  margin-top: 12px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #d8e5ff;
  background: #f6f9ff;
}

.tcm-rating-title {
  margin: 0;
  color: #1f3551;
  font-size: 13px;
  font-weight: 700;
}

.tcm-rating-hint {
  margin: 6px 0 0;
  color: #5c6f85;
  font-size: 12px;
}

.tcm-expansion-warning {
  margin: 8px 0 0;
  color: #8a6116;
  font-size: 12px;
  line-height: 1.45;
}

.tcm-rating-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tcm-rating-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tcm-rating-label-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  min-width: 0;
}

.tcm-rating-label {
  color: #243a55;
  font-size: 13px;
  font-weight: 600;
}

.tcm-rating-meta {
  color: #5b6f83;
  font-size: 11px;
  line-height: 1.4;
}

.tcm-severity-group {
  display: grid;
  grid-template-columns: repeat(4, minmax(68px, 1fr));
  gap: 8px;
  width: min(420px, 100%);
}

.tcm-severity-btn {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid #c7d8eb;
  background: #f7fbff;
  color: #27405a;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tcm-severity-btn:hover {
  border-color: #8db4de;
  background: #eef6ff;
}

.tcm-severity-btn.is-active {
  border-color: #2f6fb2;
  background: #dfefff;
  color: #14406a;
  box-shadow: inset 0 0 0 1px #2f6fb2;
}

.tcm-submit {
  min-height: 44px;
  min-width: 132px;
  border: none;
  border-radius: 10px;
  padding: 0 14px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.tcm-submit:hover {
  transform: translateY(-1px);
  filter: brightness(0.98);
}

.tcm-submit[disabled] {
  opacity: 0.82;
  cursor: not-allowed;
  transform: none;
}

.tcm-submit.is-loading::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-top-color: rgba(255, 255, 255, 0.28);
  animation: tcm-spin 0.85s linear infinite;
}

.tcm-form.is-submitting {
  opacity: 0.72;
}

.tcm-submit-status {
  min-height: 20px;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.45;
}

.tcm-submit-status.hint {
  color: var(--ink-muted);
}

.tcm-submit-status.loading {
  color: #0f5e76;
}

.tcm-submit-status.success {
  color: #0f7a44;
}

.tcm-submit-status.error {
  color: var(--danger);
}

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

.composer {
  position: sticky;
  bottom: 2px;
  width: calc(100% - 10px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: none;
  background: transparent;
  backdrop-filter: none;
  border-radius: 0;
  box-shadow: none;
}

.composer-shell {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-height: 100px;
  border-radius: 24px;
  border: 1px solid #d8e6fb;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
  padding: 10px 12px 8px;
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.composer-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.toggle-online-inline {
  min-height: 36px;
  min-width: 94px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #d5e5fc;
  background: #f5f9ff;
  color: #1e3a8a;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.toggle-online-inline:hover {
  background: #edf4ff;
  border-color: #bfd5fa;
}

.toggle-mode-inline {
  min-height: 36px;
  min-width: 118px;
  padding: 0 10px 0 12px;
  border-radius: 999px;
  border: 1px solid #d5e5fc;
  background: #f8fbff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.toggle-mode-inline:hover {
  background: #eef5ff;
  border-color: #bfd5fa;
}

.toggle-mode-label {
  font-size: 12px;
  font-weight: 700;
  color: #1e3a8a;
  letter-spacing: 0.1px;
}

.toggle-mode-pill {
  position: relative;
  width: 36px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid #cddcf5;
  background: #e9f0fb;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.toggle-mode-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.22);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.toggle-mode-inline.is-active {
  border-color: #d5e5fc;
  background: #f8fbff;
  box-shadow: none;
}

.toggle-mode-inline.is-active .toggle-mode-pill {
  background: #3b82f6;
  border-color: #3b82f6;
}

.toggle-mode-inline.is-active .toggle-mode-thumb {
  transform: translateX(16px);
  background: #ffffff;
}

textarea {
  width: 100%;
  min-height: 50px;
  max-height: 220px;
  resize: none;
  border-radius: 0;
  border: none;
  background: transparent;
  padding: 10px 2px;
  color: #0f172a;
  font: inherit;
  line-height: 1.55;
  transition: none;
}

textarea:focus {
  border: none;
  background: transparent;
  outline: none;
  box-shadow: none;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.24);
  outline-offset: 1px;
}

#send-btn {
  width: 46px;
  height: 46px;
  min-width: 46px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#send-btn svg {
  width: 22px;
  height: 22px;
  display: block;
}

#send-btn svg path {
  stroke: #ffffff;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

#send-btn:hover {
  filter: brightness(0.98);
}

.activity {
  width: calc(100% - 10px);
  margin: 0 auto 8px;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: #475569;
  font-size: 14px;
  font-weight: 600;
}

.activity::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2563eb;
  opacity: 0.7;
  animation: dot-pulse 1.15s ease-in-out infinite;
}

.activity.hidden {
  display: none;
}

body.mode-tcm .activity {
  display: none !important;
}

body.mode-tcm .tcm-status-stream {
  --tcm-stage-progress: 12%;
  margin: 0 8px 12px;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

body.mode-tcm .tcm-status-line {
  min-height: 30px;
  display: grid;
  grid-template-columns: 84px auto;
  align-items: center;
  gap: 10px;
}

body.mode-tcm .tcm-status-line::before {
  content: "辨证流程";
  color: #9ca3af;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}

body.mode-tcm .tcm-status-indicator {
  grid-column: 1 / -1;
  grid-row: 2;
  width: 100%;
  height: 5px;
  min-width: 0;
  border: none;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(13, 129, 167, 0.95) var(--tcm-stage-progress), transparent var(--tcm-stage-progress)),
    linear-gradient(90deg, rgba(13, 129, 167, 0.12), rgba(22, 200, 184, 0.16));
  box-shadow: inset 0 0 0 1px rgba(13, 129, 167, 0.1);
  opacity: 1;
  overflow: hidden;
  position: relative;
  animation: none;
}

body.mode-tcm .tcm-status-stream.is-running .tcm-status-indicator::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -34%;
  width: 34%;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
  animation: tcm-status-sweep 1.45s ease-in-out infinite;
}

@keyframes tcm-status-sweep {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(395%);
  }
}

body.mode-tcm .tcm-status-text {
  justify-self: start;
  min-height: 22px;
  padding: 0 7px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #f6f7f8;
  color: #7b8088;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

body.mode-tcm .tcm-status-history {
  display: none;
}

body.mode-tcm .tcm-status-stream.is-success .tcm-status-indicator {
  background: linear-gradient(90deg, #14b8a6, #22c55e);
  box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.12);
}

body.mode-tcm .tcm-status-stream.is-success .tcm-status-text,
body.mode-tcm .tcm-status-stream.is-error .tcm-status-text {
  color: #7b8088;
}

body.mode-tcm .tcm-status-stream.is-error .tcm-status-indicator {
  background:
    linear-gradient(90deg, rgba(220, 38, 38, 0.86) var(--tcm-stage-progress), transparent var(--tcm-stage-progress)),
    linear-gradient(90deg, rgba(220, 38, 38, 0.12), rgba(245, 158, 11, 0.14));
  box-shadow: inset 0 0 0 1px rgba(220, 38, 38, 0.12);
}

body.mode-tcm .tcm-guide {
  margin-top: 4px;
  border: none;
  border-left: 2px solid #cbd5e1;
  border-radius: 0;
  background: transparent;
  padding: 8px 0 8px 10px;
}

body.mode-tcm .tcm-guide-examples p {
  border: none;
  background: #f8fafc;
}

body.mode-tcm .tcm-panel {
  margin: 2px 8px 10px;
  padding: 8px 0 2px;
  border: none;
  border-top: 1px solid #e2e8f0;
  border-radius: 0;
  background: transparent;
}

body.mode-tcm .tcm-head {
  margin-bottom: 8px;
  padding: 0 2px;
}

body.mode-tcm .tcm-badge {
  min-height: 24px;
  padding: 0 8px;
  border-color: #dbeafe;
  background: #eff6ff;
  color: #1d4ed8;
}

body.mode-tcm .tcm-analysis-list {
  gap: 6px;
}

body.mode-tcm .tcm-analysis-card {
  padding: 8px 0;
  border: none;
  border-bottom: 1px solid #e2e8f0;
  border-radius: 0;
  background: transparent;
}

.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;
}

@media (max-width: 1024px) {
  .layout,
  .layout.demo-collapsed {
    width: min(var(--chat-width), 100%);
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 62px 8px 8px;
    height: 100vh;
  }

  .hero-title {
    min-height: 120px;
  }

  .hero-title h1 {
    font-size: clamp(22px, 7.2vw, 30px);
  }

  .sidebar-toggle {
    left: 8px;
    top: 10px;
    width: 40px;
    height: 40px;
    min-height: 40px;
    border-radius: 12px;
  }

  .top-left-tools {
    left: 56px;
    top: 10px;
    gap: 6px;
  }

  .mode-tab {
    min-height: 30px;
    padding: 0 10px;
    font-size: 12px;
  }

  .mode-switch {
    gap: 4px;
    padding: 3px;
  }

  .title-color-btn {
    min-height: 32px;
    padding: 0 10px;
    font-size: 11px;
  }

  .title-color-btn.top-right {
    top: 10px;
    right: 8px;
  }

  .demo-drawer {
    left: 8px;
    right: 8px;
    width: auto;
    top: 8px;
    bottom: 8px;
    border-radius: 16px;
  }

  .tcm-flow {
    grid-template-columns: 1fr;
  }

  .messages {
    padding: 4px 2px 100px;
    height: 0;
  }

  .messages.has-content {
    padding: 4px 2px 100px;
  }

  .scroll-bottom-btn {
    right: 12px;
    bottom: 90px;
    min-height: 34px;
    font-size: 12px;
  }

  .msg-body {
    max-width: 96%;
  }

  .tcm-thinking-shell {
    min-height: 24px;
    font-size: 13px;
    gap: 6px;
  }

  .bubble {
    font-size: 14px;
  }

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

  .tcm-result-hero {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tcm-result-confidence {
    text-align: left;
  }

  .tcm-partial-chip {
    min-height: 32px;
    font-size: 12px;
  }

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

  .tcm-rating-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .tcm-severity-group {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tcm-severity-btn {
    min-height: 42px;
    font-size: 15px;
  }

  .tcm-rating-meta {
    font-size: 12px;
  }

  .composer {
    bottom: 2px;
    width: calc(100% - 8px);
  }

  body.conversation-started .composer {
    bottom: 10px;
  }

  .activity {
    width: calc(100% - 8px);
    margin: 0 auto 6px;
    min-height: 36px;
    font-size: 13px;
  }

  .composer-shell {
    min-height: 92px;
    gap: 8px;
    padding: 8px 10px 6px;
  }

  .composer-actions {
    gap: 8px;
  }

  .composer-tools {
    gap: 6px;
  }

  .toggle-online-inline {
    min-width: 84px;
  }

  .toggle-mode-inline {
    min-width: 106px;
    padding: 0 8px 0 10px;
  }

  .toggle-mode-label {
    font-size: 11px;
  }

  #send-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
  }

  #send-btn svg {
    width: 20px;
    height: 20px;
  }
}

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

@media (hover: none) {
  .msg.user .msg-actions {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .msg.assistant .msg-actions {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
}