:root {
  /* 语义基础色（与官网 /geo/ 页面诊断弹窗配套） */
  --ezr-background: #f5faf6;
  --ezr-foreground: #153524;
  --ezr-card: #ffffff;
  --ezr-card-foreground: #345342;
  --ezr-popover: #ffffff;
  --ezr-popover-foreground: #153524;
  --ezr-primary: #027f3a;
  --ezr-primary-foreground: #ffffff;
  --ezr-muted: #6a8675;
  --ezr-muted-foreground: #8eaa99;
  --ezr-border: #d5eadc;
  --ezr-input: #b7dec5;
  --ezr-ring: #39c77a;

  /* 圆角 */
  --ezr-radius-sm: 6px;
  --ezr-radius-md: 10px;
  --ezr-radius-lg: 16px;

  /* 主色深浅层级 */
  --ezr-primary-deep: #071a11;
  --ezr-primary-dark: #0d3622;
  --ezr-primary-panel: #0a1c12;
  --ezr-primary-panel-2: #102b1d;
  --ezr-primary-bright: #39c77a;
  --ezr-primary-soft: #74d99d;

  /* 状态色 */
  --ezr-state-success: #0b9f7c;
  --ezr-state-warning: #f5d06c;
  --ezr-state-error: #ff9999;

  /* 深色面板上的浅色文字 */
  --ezr-on-deep: #dcefe2;
  --ezr-on-deep-muted: #c1dccb;
  --ezr-on-deep-soft: #8eaa99;

  /* 阴影与遮罩 */
  --ezr-shadow-1: 0 1px 2px rgba(17, 51, 26, 0.05);
  --ezr-shadow-2: 0 8px 22px rgba(24, 91, 50, 0.14);
  --ezr-shadow-3: 0 24px 60px rgba(0, 0, 0, 0.30);
  --ezr-backdrop: rgba(3, 14, 9, 0.78);
  --ezr-ring-soft: rgba(57, 199, 122, 0.08);
}

/* ===== 诊断弹框容器（背景虚化层） ===== */
.diagnosis-modal {
  position: fixed;
  z-index: 3000;
  inset: 0;
  display: none;
  place-items: center;
  padding: 28px;
  background: var(--ezr-backdrop);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.diagnosis-modal.is-open { display: grid; }
body.diagnosis-open { overflow: hidden; }

/* ===== 诊断卡片（弹框内层） ===== */
.diagnosis-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(1120px, 100%);
  height: min(760px, calc(100vh - 80px));
  overflow: hidden;
  border: 1px solid var(--ezr-primary-bright);
  border-radius: 20px;
  background: var(--ezr-background);
  box-shadow: var(--ezr-shadow-3);
}

/* ===== 头部 ===== */
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 92px;
  padding: 20px 28px;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(112deg, var(--ezr-primary-deep) 0%, var(--ezr-primary-dark) 58%, var(--ezr-primary) 135%);
}
.dialog-eyebrow {
  margin: 0 0 6px;
  color: var(--ezr-primary-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.dialog-head h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}
.dialog-head-sub {
  margin: 7px 0 0;
  color: var(--ezr-on-deep-muted);
  font-size: 14px;
}
.dialog-close {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: var(--ezr-primary-foreground);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}
.dialog-close svg { width: 20px; height: 20px; }
.dialog-close:hover { background: rgba(255, 255, 255, 0.18); }

/* ===== 主体：左侧历史 + 右侧工作区 ===== */
.dialog-body {
  display: grid;
  grid-template-columns: 285px minmax(0, 1fr);
  flex: 1;
  min-height: 0;
}

/* ===== 历史侧栏 ===== */
.history {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 24px 16px;
  color: var(--ezr-on-deep);
  background: var(--ezr-primary-panel);
}
.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 8px 16px;
}
.history-head h3 {
  margin: 0;
  color: var(--ezr-primary-foreground);
  font-size: 15px;
}
.history-count {
  display: grid;
  place-items: center;
  min-width: 27px;
  height: 27px;
  padding: 0 7px;
  border-radius: 999px;
  color: var(--ezr-primary-soft);
  background: var(--ezr-ring-soft);
  font-size: 12px;
}
.history-list {
  display: grid;
  gap: 10px;
  overflow: auto;
  padding: 0 1px;
}
.history-empty {
  margin: 16px 8px;
  color: var(--ezr-on-deep-soft);
  font-size: 13px;
  line-height: 1.65;
}
.history-item {
  display: block;
  width: 100%;
  padding: 13px;
  border: 1px solid rgba(57, 199, 122, 0.15);
  border-radius: 12px;
  color: inherit;
  background: var(--ezr-primary-panel-2);
  cursor: pointer;
  text-align: left;
}
.history-item:hover,
.history-item.is-active {
  border-color: rgba(77, 214, 125, 0.7);
  background: #143b27;
}
.history-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--ezr-on-deep-soft);
  font-size: 11px;
}
.history-status { font-weight: 700; color: var(--ezr-primary-soft); }
.history-status[data-status="failed"] { color: var(--ezr-state-error); }
.history-status[data-status="running"] { color: var(--ezr-state-warning); }
.history-title {
  display: -webkit-box;
  overflow: hidden;
  color: var(--ezr-on-deep);
  font-size: 13px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.history-note {
  margin: auto 8px 0;
  padding-top: 18px;
  color: var(--ezr-on-deep-soft);
  font-size: 12px;
  line-height: 1.65;
}

/* ===== 工作区 ===== */
.workspace {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 24px 30px 22px;
  background: linear-gradient(145deg, var(--ezr-card) 0%, var(--ezr-background) 100%);
  overflow: hidden;
}
.workspace-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.workspace-top h3 {
  margin: 0 0 6px;
  color: var(--ezr-foreground);
  font-size: 22px;
}
.workspace-top p {
  margin: 0;
  color: var(--ezr-muted);
  font-size: 14px;
}
.new-btn {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 14px;
  border: 1px solid var(--ezr-input);
  border-radius: 9px;
  color: var(--ezr-primary);
  background: var(--ezr-card);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
}
.new-btn:hover { background: #eefaf2; }
.scroll-area {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  margin: 18px 0 14px;
  padding: 2px 4px 6px;
}

/* ===== 输入卡片 ===== */
.composer-card {
  padding: 18px 20px;
  border: 1px solid var(--ezr-border);
  border-radius: var(--ezr-radius-lg);
  background: var(--ezr-card);
  box-shadow: var(--ezr-shadow-1);
}
.composer-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--ezr-foreground);
  font-size: 15px;
  font-weight: 700;
}
.composer-title svg { width: 16px; height: 16px; color: var(--ezr-primary); }
.composer-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.composer-box textarea {
  width: 100%;
  min-height: 120px;
  padding: 14px 16px;
  border: 1px solid var(--ezr-input);
  border-radius: 12px;
  color: var(--ezr-foreground);
  background: var(--ezr-background);
  font: 14px/1.7 "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  resize: vertical;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.composer-box textarea:focus {
  outline: none;
  border-color: var(--ezr-ring);
  box-shadow: 0 0 0 3px var(--ezr-ring-soft);
}
.composer-box textarea::placeholder { color: var(--ezr-muted-foreground); }
.composer-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.composer-hint {
  color: var(--ezr-muted-foreground);
  font-size: 12px;
}
.send-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: 0;
  border-radius: 10px;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(115deg, var(--ezr-primary), var(--ezr-primary-bright));
  box-shadow: var(--ezr-shadow-2);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.16s ease, filter 0.16s ease;
}
.send-btn:hover { filter: brightness(1.05); transform: translateY(-1px); }
.send-btn:disabled { cursor: default; opacity: 0.64; transform: none; }
.send-btn svg { width: 16px; height: 16px; }

/* ===== 状态卡片 ===== */
.status-card {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid var(--ezr-border);
  border-radius: var(--ezr-radius-lg);
  background: var(--ezr-card);
  box-shadow: var(--ezr-shadow-1);
}
.status-running {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ezr-muted);
  font-size: 13px;
}
.running-dots { display: inline-flex; gap: 4px; }
.running-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ezr-primary-bright);
  animation: ezr-blink 1.2s infinite;
}
.running-dots i:nth-child(2) { animation-delay: 0.2s; }
.running-dots i:nth-child(3) { animation-delay: 0.4s; }
@keyframes ezr-blink {
  0%, 80%, 100% { opacity: 0.25; }
  40% { opacity: 1; }
}
.run-meta { color: var(--ezr-muted-foreground); font-size: 12px; }

.report-card { margin-top: 2px; }
.report-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--ezr-primary);
  background: var(--ezr-ring-soft);
  font-size: 12px;
  font-weight: 700;
}
.report-badge svg { width: 13px; height: 13px; }
.report-meta {
  float: right;
  color: var(--ezr-muted-foreground);
  font-size: 12px;
}
.report-title {
  margin: 10px 0 4px;
  color: var(--ezr-foreground);
  font-size: 16px;
  font-weight: 700;
}
.report-desc {
  margin: 0 0 8px;
  color: var(--ezr-muted);
  font-size: 13px;
  line-height: 1.65;
}
.report-preview {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 9px;
  color: var(--ezr-card-foreground);
  background: var(--ezr-background);
  font-size: 12.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 160px;
  overflow: auto;
}
.report-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 0;
  border-radius: 10px;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(115deg, var(--ezr-primary), var(--ezr-primary-bright));
  box-shadow: var(--ezr-shadow-2);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.16s ease, filter 0.16s ease;
}
.report-cta:hover { filter: brightness(1.05); transform: translateY(-1px); }
.report-cta svg { width: 16px; height: 16px; }
.report-hint {
  margin: 10px 0 0;
  color: var(--ezr-muted-foreground);
  font-size: 11px;
}
.running-cta { margin-top: 12px; }
.report-error {
  color: var(--ezr-state-error);
  font-size: 13px;
}

/* ===== 移动端适配 ===== */
@media (max-width: 760px) {
  .diagnosis-modal { align-items: end; padding: 0; }
  .diagnosis-dialog {
    height: min(860px, 94vh);
    border-width: 1px 0 0;
    border-radius: 20px 20px 0 0;
  }
  .dialog-head { min-height: 84px; padding: 17px 20px; }
  .dialog-head h2 { font-size: 22px; }
  .dialog-body {
    grid-template-columns: 1fr;
    grid-template-rows: 150px minmax(0, 1fr);
  }
  .history { padding: 15px 16px; }
  .history-list { grid-auto-flow: column; grid-auto-columns: minmax(210px, 74vw); overflow-x: auto; }
  .history-note { display: none; }
  .workspace { padding: 20px 16px; }
  .workspace-top h3 { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .running-dots i { animation: none; opacity: 1; }
  .send-btn, .report-cta { transition: none; }
}

/* ===== QR 码弹窗 ===== */
.qr-overlay {
  position: fixed;
  z-index: 3100;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--ezr-backdrop);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.qr-overlay.is-open { display: flex; }
.qr-card {
  width: min(420px, 100%);
  overflow: hidden;
  border: 1px solid var(--ezr-primary-bright);
  border-radius: 20px;
  background: var(--ezr-background);
  box-shadow: var(--ezr-shadow-3);
}
.qr-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(112deg, var(--ezr-primary-deep) 0%, var(--ezr-primary-dark) 58%, var(--ezr-primary) 135%);
}
.qr-eyebrow {
  margin: 0 0 5px;
  color: var(--ezr-primary-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.qr-head h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}
.qr-close {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: var(--ezr-primary-foreground);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}
.qr-close svg { width: 18px; height: 18px; }
.qr-close:hover { background: rgba(255, 255, 255, 0.18); }
.qr-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 22px 26px 24px;
  text-align: center;
}
.qr-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--ezr-primary);
  background: var(--ezr-ring-soft);
  font-size: 12px;
  font-weight: 700;
}
.qr-badge svg { width: 14px; height: 14px; }
.qr-frame {
  margin: 18px 0 16px;
  padding: 14px;
  border: 1px solid var(--ezr-border);
  border-radius: var(--ezr-radius-lg);
  background: var(--ezr-card);
  box-shadow: var(--ezr-shadow-2);
}
.qr-frame img {
  display: block;
  width: 220px;
  height: 220px;
  border-radius: 6px;
}
.qr-frame-caption {
  display: block;
  margin-top: 10px;
  color: var(--ezr-muted-foreground);
  font-size: 12px;
}
.qr-title {
  margin: 0 0 6px;
  color: var(--ezr-foreground);
  font-size: 19px;
}
.qr-desc {
  margin: 0 0 16px;
  color: var(--ezr-muted);
  font-size: 13px;
  line-height: 1.6;
}
.qr-advisor {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ezr-border);
  border-radius: 12px;
  background: var(--ezr-card);
  text-align: left;
}
.qr-avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(135deg, var(--ezr-primary), var(--ezr-primary-bright));
  font-size: 15px;
  font-weight: 700;
}
.qr-advisor-name {
  margin: 0 0 2px;
  color: var(--ezr-foreground);
  font-size: 14px;
  font-weight: 700;
}
.qr-advisor-note {
  margin: 0;
  color: var(--ezr-muted);
  font-size: 12px;
}
.qr-code-hint {
  margin: 14px 0 0;
  color: var(--ezr-foreground);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}
.qr-code {
  color: var(--ezr-primary);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.qr-foot {
  margin: 14px 0 0;
  color: var(--ezr-muted-foreground);
  font-size: 11px;
  line-height: 1.6;
}
@media (max-width: 760px) {
  .qr-overlay { align-items: end; padding: 0; }
  .qr-card { border-width: 1px 0 0; border-radius: 20px 20px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .qr-overlay { -webkit-backdrop-filter: none; backdrop-filter: none; }
}

/* ==============================
   Chat-style workspace (overrides composer-card / status-card layout)
   ============================== */

/* chat-area: full-height flex container replacing scroll-area + composer-card + status-card */
.chat-area {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin: 18px 0 14px;
  padding: 0;
  border: 1px solid var(--ezr-border);
  border-radius: var(--ezr-radius-lg);
  background: var(--ezr-card);
  box-shadow: var(--ezr-shadow-1);
  overflow: hidden;
}

/* chat-messages: scrollable message area */
.chat-messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 22px 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--ezr-input); border-radius: 3px; }

/* chat-empty: placeholder state */
.chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 48px 32px;
  text-align: center;
  color: var(--ezr-muted-foreground);
}
.chat-empty-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ezr-ring-soft);
  color: var(--ezr-primary);
}
.chat-empty-icon svg { width: 24px; height: 24px; }
.chat-empty-title {
  margin: 0;
  color: var(--ezr-foreground);
  font-size: 15px;
  font-weight: 700;
}
.chat-empty-desc {
  margin: 0;
  max-width: 360px;
  font-size: 13px;
  line-height: 1.6;
}

/* chat-bubble-wrap: container for one bubble + optional avatar */
.chat-bubble-wrap {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  max-width: 85%;
}
.chat-bubble-wrap--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-bubble-wrap--ai {
  align-self: flex-start;
}

/* chat-avatar */
.chat-avatar {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--ezr-primary-foreground);
}
.chat-avatar--ai {
  background: linear-gradient(135deg, var(--ezr-primary), var(--ezr-primary-bright));
  box-shadow: 0 2px 6px rgba(7, 127, 58, 0.25);
}

/* chat-bubble base */
.chat-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

/* User bubble (right side, brand gradient) */
.chat-bubble--user {
  background: linear-gradient(135deg, var(--ezr-primary), var(--ezr-primary-bright));
  color: var(--ezr-primary-foreground);
  border-top-right-radius: 4px;
  box-shadow: 0 2px 8px rgba(7, 127, 58, 0.18);
}

/* AI report bubble (left side, card style) */
.chat-bubble--ai {
  background: var(--ezr-card);
  border: 1px solid var(--ezr-border);
  border-top-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.06);
  min-width: 280px;
  max-width: 460px;
}
.chat-bubble-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.chat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--ezr-ring-soft);
  color: var(--ezr-primary);
  font-size: 12px;
  font-weight: 700;
}
.chat-badge svg { width: 13px; height: 13px; }
.chat-bubble-meta {
  font-size: 12px;
  color: var(--ezr-muted-foreground);
  flex-shrink: 0;
}
.chat-bubble-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ezr-foreground);
}
.chat-bubble-desc {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--ezr-muted);
  line-height: 1.65;
}
.chat-bubble--ai .report-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 0;
  border-radius: 10px;
  color: var(--ezr-primary-foreground);
  background: linear-gradient(115deg, var(--ezr-primary), var(--ezr-primary-bright));
  box-shadow: var(--ezr-shadow-2);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.16s ease, filter 0.16s ease;
}
.chat-bubble--ai .report-cta:hover { filter: brightness(1.05); transform: translateY(-1px); }
.chat-bubble--ai .report-cta svg { width: 16px; height: 16px; }
.chat-bubble--ai .report-hint {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--ezr-muted-foreground);
}

/* AI thinking bubble (animation) */
.chat-bubble--thinking {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--ezr-card);
  border: 1px solid var(--ezr-border);
  border-radius: 16px;
  border-top-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.06);
  color: var(--ezr-muted-foreground);
  font-size: 14px;
}
.thinking-label {
  color: var(--ezr-foreground);
  font-weight: 500;
}
.thinking-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ezr-primary, #027f3a);
  opacity: 0.35;
  animation: thinkingBounce 1.2s ease-in-out infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.18s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.36s; }
@keyframes thinkingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
  40% { transform: translateY(-5px); opacity: 1; }
}

/* Error bubble */
.chat-bubble--error {
  background: #fff5f5;
  border: 1px solid #ffd6d6;
  border-radius: 16px;
  border-top-left-radius: 4px;
  padding: 12px 16px;
}
.chat-bubble--error .report-error {
  color: #d32f2f;
  font-size: 13px;
  margin: 0;
}

/* Slide-in animation for new bubbles */
.chat-bubble-wrap.is-slide-in {
  animation: chatSlideIn 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
}
@keyframes chatSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-bubble.is-fade-in {
  animation: bubbleFadeIn 0.5s ease-out;
}
@keyframes bubbleFadeIn {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* composer-bar: fixed bottom input bar (replaces composer-card) */
.composer-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 14px 18px 16px;
  border-top: 1px solid var(--ezr-border);
  background: var(--ezr-card);
}
.composer-bar textarea {
  flex: 1 1 auto;
  min-height: 44px;
  max-height: 120px;
  padding: 10px 14px;
  border: 1px solid var(--ezr-input);
  border-radius: 10px;
  color: var(--ezr-foreground);
  background: var(--ezr-background);
  font: 14px/1.6 "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  resize: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.composer-bar textarea:focus {
  outline: none;
  border-color: var(--ezr-ring);
  box-shadow: 0 0 0 3px var(--ezr-ring-soft);
}
.composer-bar textarea::placeholder { color: var(--ezr-muted-foreground); }

.composer-bar-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}
.composer-bar .send-btn {
  padding: 10px 20px;
}
.composer-bar .composer-hint {
  color: var(--ezr-muted-foreground);
  font-size: 11px;
}

/* Mobile chat layout */
@media (max-width: 760px) {
  .chat-messages { padding: 16px 14px; gap: 10px; }
  .chat-bubble-wrap { max-width: 92%; }
  .chat-bubble--ai { min-width: 0; max-width: none; }
  .composer-bar { padding: 10px 12px 12px; }
  .chat-avatar { width: 28px; height: 28px; font-size: 11px; }
}