:root {
  --wechat-green: #14935a;
  --wechat-bubble: #d4ecc2;
  --blue: #2c6bed;
  --blue-50: #e9f0ff;
  --green-50: #e7f8ef;
  --green-700: #0a8f4d;
  --amber: #c26a00;
  --amber-soft: #fdf1e3;
  --red: #d92d20;
  --red-soft: #fff0ef;
  --ink: #1f2430;
  --body: #2b3038;
  --muted: #8a93a0;
  --line: #e2e6ec;
  --panel: #ffffff;
  --surface: #f7f9fb;
  --chat-surface: #f5f6f8;
  --shadow: 0 1px 3px rgba(20, 30, 50, 0.04);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: #e9edf2;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

button,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

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

::-webkit-scrollbar-thumb {
  background: #d3d9e0;
  border-radius: 8px;
}

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

@keyframes pulseDot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.35;
    transform: scale(0.72);
  }
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.app-shell {
  --chat-pane-width: 66.666%;
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #e9edf2;
}

.wechat-pane {
  flex: 1 1 auto;
  display: flex;
  min-width: 420px;
  flex-direction: column;
  background: var(--chat-surface);
}

.pane-resizer {
  position: relative;
  z-index: 5;
  flex: 0 0 12px;
  align-self: stretch;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #eef2f5;
  cursor: col-resize;
  padding: 0;
  touch-action: none;
  transition: background 0.15s ease;
}

.pane-resizer::before {
  content: "";
  position: absolute;
  inset: 0 -8px;
}

.pane-resizer span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 48px;
  border-radius: 4px;
  background: #aeb9c6;
  transform: translate(-50%, -50%);
  transition: background 0.15s ease, width 0.15s ease;
}

.pane-resizer:hover,
.pane-resizer:focus-visible,
body.is-resizing .pane-resizer {
  background: #e3f1ea;
  outline: 0;
}

.pane-resizer:hover span,
.pane-resizer:focus-visible span,
body.is-resizing .pane-resizer span {
  background: var(--wechat-green);
  width: 6px;
}

body.is-resizing {
  cursor: col-resize;
  user-select: none;
}

.chat-header,
.assistant-header,
.composer {
  background: var(--panel);
}

.chat-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid #eceff3;
}

.chat-identity-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.customer-avatar,
.agent-avatar {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}

.agent-avatar {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--wechat-green);
  font-size: 14px;
}

.chat-identity {
  min-width: 0;
  flex: 1;
}

.identity-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.identity-line h1 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

.wechat-tag,
.contact-tag,
.analysis-state,
.tone-tag,
.tag {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 500;
}

.wechat-tag {
  color: var(--green-700);
  background: var(--green-50);
  padding: 1px 7px;
}

.contact-tag {
  color: var(--muted);
  background: #f0f2f5;
  padding: 1px 7px;
}

.presence-line {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: #98a1ad;
  font-size: 12px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--wechat-green);
  animation: pulseDot 1.6s infinite;
}

.chat-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 16px 8px;
}

.day-divider {
  margin-bottom: 16px;
  text-align: center;
  color: #a4adb8;
  font-size: 11px;
}

.day-divider span,
.day-divider {
  border-radius: 6px;
}

.day-divider {
  display: block;
}

.day-divider::before {
  content: attr(class);
  display: none;
}

.day-divider {
  color: transparent;
}

.day-divider::after {
  content: "今天 14:18";
  color: #a4adb8;
  background: #e6e9ee;
  padding: 3px 10px;
  border-radius: 6px;
}

.chat-log {
  display: flex;
  flex-direction: column;
}

.message-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.message-row.sales {
  flex-direction: row-reverse;
}

.message {
  max-width: min(70%, 520px);
}

.message-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 5px;
  color: #8a93a0;
  font-size: 12px;
}

.sales .message-meta {
  justify-content: flex-end;
}

.bubble {
  color: #1a1d21;
  background: #fff;
  border-radius: 2px 10px 10px 10px;
  box-shadow: 0 1px 2px rgba(20, 30, 50, 0.05);
  padding: 10px 13px;
  font-size: 14px;
  line-height: 1.6;
}

.sales .bubble {
  color: #1a1d21;
  background: var(--wechat-bubble);
  border-radius: 10px 2px 10px 10px;
}

.typing-dots {
  display: flex;
  gap: 5px;
  border-radius: 10px;
  background: #eef1f4;
  padding: 11px 14px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9aa4b0;
  animation: pulseDot 1.2s infinite;
}

.typing-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

.composer {
  flex: 0 0 auto;
  border-top: 1px solid #eceff3;
}

.raw-editor {
  padding: 8px 16px 12px;
  border-top: 1px solid #f0f2f5;
}

.raw-editor textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--body);
  background: #fff;
}

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

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 4px 16px 14px;
}

.composer-input {
  flex: 1;
  min-height: 40px;
  max-height: 140px;
  resize: none;
  border: 1px solid #e6e9ee;
  border-radius: 8px;
  background: #fff;
  color: #2b3038;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}

.composer-input::placeholder {
  color: #b7bdc7;
}

.composer-input:focus {
  border-color: var(--wechat-green);
}

.send-button,
.primary-action,
.generate-button {
  border-radius: 8px;
  background: var(--wechat-green);
  color: #fff;
  font-weight: 600;
}

.send-button {
  flex: 0 0 auto;
  height: 36px;
  padding: 0 20px;
}

.assistant-pane {
  flex: 0 0 500px;
  width: 500px;
  min-width: 360px;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  container-type: inline-size;
}

.assistant-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 26px;
}

.assistant-title,
.card-title,
.card-title-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.assistant-title {
  gap: 12px;
}

.icon-chip {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  font-weight: 700;
}

.ai-mark {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  object-fit: contain;
}

.assistant-title h2,
.card-title h3 {
  margin: 0;
  color: var(--ink);
}

.assistant-title h2 {
  font-size: 16px;
  font-weight: 700;
}

.assistant-title p {
  margin: 2px 0 0;
  color: #98a1ad;
  font-size: 12px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  justify-content: flex-end;
}

.analysis-state {
  gap: 7px;
  border-radius: 20px;
  color: var(--green-700);
  background: var(--green-50);
  padding: 6px 12px;
  font-size: 12px;
}

.assistant-tabs {
  flex: 0 0 auto;
  display: flex;
  gap: 4px;
  padding: 0 26px;
  background: #fff;
  border-bottom: 1px solid #eceff3;
}

.tab-button {
  appearance: none;
  border: 0;
  background: transparent;
  margin: 0 20px 0 0;
  padding: 13px 2px;
  font-size: 14px;
  font-weight: 600;
  color: #98a1ad;
  cursor: pointer;
  position: relative;
  font-family: inherit;
  transition: color 0.15s ease;
}

.tab-button:hover {
  color: #5b6472;
}

.tab-button.active {
  color: var(--blue);
}

.tab-button.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
}

.assistant-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: #fff;
  padding: 6px 26px 36px;
}

.profile-card {
  min-width: 0;
  padding: 16px 0;
  border-top: 1px solid #eef1f4;
}

.profile-card:first-child {
  border-top: 0;
}

.profile-card.full {
  grid-column: auto;
}

.card-title {
  margin-bottom: 14px;
}

.card-title.row-between {
  justify-content: space-between;
}

.mini-prob {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.mini-prob strong {
  color: var(--green-700);
  font-size: 17px;
  font-weight: 700;
}

.card-title.compact {
  margin-bottom: 8px;
}

.card-title h3 {
  font-size: 14px;
  font-weight: 700;
}

.icon-chip {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  font-size: 11px;
}

.icon-chip.blue {
  color: var(--blue);
  background: var(--blue-50);
}

.icon-chip.green {
  color: var(--wechat-green);
  background: var(--green-50);
}

.icon-chip.amber {
  color: var(--amber);
  background: var(--amber-soft);
}

.icon-chip.red {
  color: var(--red);
  background: var(--red-soft);
}

.icon-chip.gradient {
  background: linear-gradient(135deg, var(--wechat-green), var(--blue));
}

.icon-chip svg {
  width: 12px;
  height: 12px;
  display: block;
}

.profile-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 34px;
  margin-bottom: 16px;
}

.profile-grid div {
  min-width: 88px;
}

.profile-grid span {
  display: block;
  color: #a0a8b3;
  font-size: 11px;
  margin-bottom: 3px;
}

.profile-grid strong {
  color: var(--body);
  font-size: 13px;
  font-weight: 600;
}

.tag-row,
.touchpoints {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 11px;
  font-size: 12px;
}

.tag.green {
  color: var(--green-700);
  background: var(--green-50);
}

.tag.amber {
  color: var(--amber);
  background: var(--amber-soft);
}

.tag.blue {
  color: var(--blue);
  background: var(--blue-50);
}

.check-list,
.risk-list,
.question-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.risk-list li {
  position: relative;
  padding-left: 22px;
  color: #3a414b;
  font-size: 13px;
  line-height: 1.5;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--wechat-green);
  font-weight: 800;
}

.intent-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.gauge {
  position: relative;
  width: 104px;
  height: 104px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: conic-gradient(var(--wechat-green) 0% calc(var(--score) * 1%), #e6eaef calc(var(--score) * 1%) 100%);
}

.gauge > div {
  position: absolute;
  inset: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
}

.gauge strong {
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
}

.gauge span {
  color: #98a1ad;
  font-size: 11px;
  margin-top: 3px;
}

.intent-row p {
  margin: 0;
  color: #6b737e;
  font-size: 12px;
  line-height: 1.7;
}

.objection-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.objection-list article {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
}

.objection-list article + article {
  border-top: 1px solid #f3f4f1;
}

.objection-list article > span {
  width: 5px;
  align-self: stretch;
  border-radius: 3px;
  background: #e8a04a;
}

.objection-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--body);
  font-size: 13px;
}

.objection-list p {
  margin: 0;
  color: #8a919c;
  font-size: 12px;
}

.reply-section {
  position: relative;
}

.tone-tag {
  color: var(--green-700);
  background: var(--green-50);
  padding: 1px 8px;
}

.text-action {
  background: transparent;
  color: var(--blue);
  padding: 0;
  font-size: 12px;
}

.regenerate-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--wechat-green);
  border-radius: 8px;
  background: #fff;
  color: var(--wechat-green);
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.regenerate-button:hover {
  background: var(--green-50);
}

.regenerate-button:active {
  transform: scale(0.97);
}

.regenerate-icon {
  width: 14px;
  height: 14px;
}

.reply-idle {
  text-align: center;
  padding: 14px 0 6px;
}

.reply-idle p {
  margin: 0 0 16px;
  color: #98a1ad;
  font-size: 13px;
}

.generate-button {
  border-radius: 10px;
  background: linear-gradient(135deg, var(--wechat-green), var(--blue));
  box-shadow: 0 4px 14px rgba(6, 174, 86, 0.22);
  padding: 12px 28px;
  font-size: 14px;
}

.reply-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 26px 0;
  color: #6b737e;
  font-size: 13px;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid #e3e7ec;
  border-top-color: var(--wechat-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.reply-result {
  animation: fadeUp 0.35s ease;
}

/* The `hidden` attribute must win over the explicit `display` rules above,
   otherwise the loading panel stays visible forever. Higher specificity. */
.reply-idle[hidden],
.reply-loading[hidden],
.reply-result[hidden] {
  display: none !important;
}

.reply-card {
  color: var(--body);
  padding: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
}

.reply-context {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f4f6f8;
  border-left: 3px solid var(--wechat-green);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reply-context-label {
  font-size: 11px;
  color: #98a1ad;
}

.reply-context-text {
  font-size: 13px;
  color: #1f2329;
  line-height: 1.6;
}

.reply-context[hidden] {
  display: none;
}

.customer-profile {
  margin-top: 8px;
  color: #4f6659;
  font-size: 12px;
  line-height: 1.5;
}

.customer-profile[hidden] {
  display: none;
}

.touchpoints {
  align-items: center;
  margin-top: 14px;
}

.touchpoints > span:first-child {
  color: #6b737e;
  font-size: 11px;
}

.reply-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.primary-action,
.secondary-action {
  min-height: 40px;
  padding: 0 18px;
}

.reply-actions .primary-action {
  flex: 1;
}

.secondary-action {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: #5a6270;
}

.risk-list {
  gap: 8px;
  padding: 4px 0;
}

.risk-list li {
  color: #71403e;
}

.risk-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--red);
  font-weight: 900;
}

.question-list {
  counter-reset: qs;
}

.question-list li {
  counter-increment: qs;
  position: relative;
  padding-left: 28px;
  color: #3a414b;
  font-size: 13px;
}

.question-list li::before {
  content: counter(qs);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: #0a7044;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.mini-note {
  color: #98a1ad;
  font-size: 12px;
}

.evidence-list {
  display: grid;
  gap: 10px;
}

.evidence-card {
  padding: 12px 0;
}

.evidence-card + .evidence-card {
  border-top: 1px solid #f3f4f1;
}

.evidence-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.layer-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #0a7044;
  font-weight: 700;
  font-size: 12px;
}

.layer-index {
  min-width: 25px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 5px;
  background: #0a7044;
  color: #fff;
}

.confidence {
  flex: 0 0 auto;
  border: 1px solid #f0d5aa;
  border-radius: 6px;
  background: #fff9f1;
  color: var(--amber);
  padding: 3px 8px;
  font-size: 12px;
}

.evidence-card h4 {
  margin: 0 0 4px;
  color: var(--body);
  font-size: 13px;
}

.evidence-card p {
  margin: 0;
  color: #6b737e;
  font-size: 12px;
}

.evidence-source {
  display: inline-block;
  margin-top: 6px;
  color: #0a7044;
  font-size: 12px;
  text-decoration: none;
}

.evidence-source:hover {
  text-decoration: underline;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  transition: 160ms ease;
  border-radius: 8px;
  background: #1f2430;
  color: #fff;
  padding: 10px 14px;
  box-shadow: 0 8px 24px rgba(20, 30, 50, 0.18);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1040px) {
  .app-shell {
    display: block;
    height: auto;
    overflow: visible;
  }

  .wechat-pane {
    min-width: 0;
    width: 100%;
    height: 620px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .pane-resizer {
    display: none;
  }

  .assistant-pane {
    min-width: 0;
    min-height: 720px;
  }
}

@container (max-width: 620px) {
  .assistant-header {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    padding: 16px 18px;
  }

  .header-actions {
    width: auto;
    margin-left: auto;
    justify-content: flex-end;
  }

  .assistant-body {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .profile-card.full {
    grid-column: auto;
  }

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

@media (max-width: 720px) {
  .assistant-header {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    padding: 16px;
  }

  .assistant-body {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .profile-card.full {
    grid-column: auto;
  }

  .profile-grid {
    gap: 14px;
  }

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