/* 象遇页 · Gemini 式：消息区独立滚动，输入框固定底部 */

.main:has(.ic-page) {
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

html.is-preview-guest .main:has(.ic-page) {
  height: 100vh;
}

.page:has(.ic-page) {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.ic-page {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  background: var(--bg);
  --ic-chat-max: min(100%, 860px);
  --ic-chat-pad-x: 18px;
}

.ic-rail {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--border-light);
  background: var(--surface);
}

.ic-rail__brand {
  padding: 18px 16px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ic-rail__logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--primary-contrast, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
}

.ic-ai-avatar {
  padding: 0;
  background: transparent;
  overflow: hidden;
  flex-shrink: 0;
  border: none;
  box-shadow: none;
  outline: none;
}

.ic-ai-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: inherit;
  border: none;
}

.ic-rail__titles h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.ic-rail__titles p {
  margin: 2px 0 0;
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.ic-rail__actions {
  padding: 0 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 侧栏主操作：与模型配置同款轻量按钮 */
.ic-action-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform 0.22s var(--ease-spring),
    box-shadow 0.22s var(--ease),
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.ic-action-btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.92;
}

.ic-action-btn:active {
  transform: scale(0.98);
}

.ic-action-btn--config {
  color: var(--text-secondary);
  background: var(--surface);
  border-color: var(--border-light);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.ic-action-btn--config:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--text-tertiary) 40%, var(--border));
  background: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.ic-action-btn--config .ic-action-btn__icon {
  color: var(--text-tertiary);
}

.ic-action-btn--config:hover .ic-action-btn__icon {
  color: var(--text-secondary);
}

.ic-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    transform 0.18s var(--ease-spring);
}

.ic-btn:hover:not(.ic-btn--primary) {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

.ic-btn:active {
  transform: scale(0.98);
}

.ic-btn--primary {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}

.ic-btn--primary:hover {
  background: var(--primary-hover);
  border-color: transparent;
  color: #fff;
}

/* 新建对话确认弹窗 */
.ic-confirm {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  pointer-events: none;
  visibility: hidden;
}

.ic-confirm.is-open {
  pointer-events: auto;
  visibility: visible;
}

.ic-confirm__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}

.ic-confirm.is-open .ic-confirm__backdrop {
  opacity: 1;
}

.ic-confirm__panel {
  position: relative;
  width: min(360px, 100%);
  padding: 26px 24px 22px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.2);
  text-align: center;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  transition:
    opacity 0.32s var(--ease-expo-out),
    transform 0.36s var(--ease-spring);
}

.ic-confirm.is-open .ic-confirm__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ic-confirm__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #4a5568 0%, #2d3748 100%);
  color: #f8fafc;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.15);
}

.ic-confirm__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.ic-confirm__desc {
  margin: 0 0 22px;
  padding: 0 4px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  word-break: break-word;
}

.ic-confirm__actions {
  display: flex;
  gap: 10px;
}

.ic-confirm__btn {
  flex: 1;
  min-height: 44px;
  padding: 13px 14px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 650;
  cursor: pointer;
  border: 1px solid var(--border-light);
  transition:
    transform 0.18s var(--ease-spring),
    background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.ic-confirm__btn:active {
  transform: scale(0.98);
}

.ic-confirm__btn--ghost {
  background: var(--bg);
  color: var(--text-secondary);
}

.ic-confirm__btn--ghost:hover {
  background: var(--surface);
  color: var(--text);
}

.ic-confirm__btn--go {
  border-color: transparent;
  color: #f8fafc;
  background: linear-gradient(145deg, #4a5568 0%, #2d3748 100%);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
}

.ic-confirm__btn--go:hover {
  filter: brightness(1.06);
}

.ic-rail__section {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0 8px 10px;
}

.ic-rail__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 8px 6px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.ic-rail__sync-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-tertiary);
  opacity: 0.45;
}

.ic-rail__sync-dot.is-live {
  background: var(--success, #22c55e);
  opacity: 1;
  animation: ic-pulse 1.8s ease-in-out infinite;
}

@keyframes ic-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.6; }
}

.ic-conversations {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 4px 6px;
  scroll-behavior: smooth;
}

.ic-empty-conv {
  padding: 12px 10px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-tertiary);
}

.ic-conv {
  display: flex;
  align-items: stretch;
  gap: 2px;
  margin-bottom: 4px;
  border-radius: 10px;
  animation: ic-conv-in 0.35s var(--ease-expo-out) both;
  animation-delay: calc(var(--ic-stagger, 0) * 40ms);
}

@keyframes ic-conv-in {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.ic-conv__main {
  flex: 1;
  min-width: 0;
  text-align: left;
  padding: 10px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  transition:
    background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.ic-conv__main:hover {
  background: color-mix(in srgb, var(--primary) 7%, var(--bg));
}

.ic-conv.is-active .ic-conv__main {
  background: color-mix(in srgb, var(--primary) 11%, var(--bg));
  border-color: color-mix(in srgb, var(--primary) 22%, transparent);
}

.ic-conv__title {
  display: block;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-conv__time {
  display: block;
  margin-top: 3px;
  font-size: 0.64rem;
  color: var(--text-tertiary);
}

.ic-conv__del {
  flex-shrink: 0;
  width: 28px;
  align-self: center;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity 0.18s var(--ease),
    background 0.18s var(--ease),
    color 0.18s var(--ease);
}

.ic-conv:hover .ic-conv__del {
  opacity: 1;
}

.ic-conv__del:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.ic-mail-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 10px;
  margin-bottom: 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border-light));
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
  cursor: pointer;
  text-align: left;
  transition:
    transform 0.22s var(--ease-spring),
    border-color 0.2s var(--ease),
    box-shadow 0.25s var(--ease);
}

.ic-mail-entry:hover,
.ic-mail-entry.is-active {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  box-shadow: 0 6px 20px color-mix(in srgb, var(--primary) 12%, transparent);
}

.ic-mail-entry__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 14%, var(--bg));
  color: var(--primary);
}

.ic-mail-entry__text {
  flex: 1;
  min-width: 0;
}

.ic-mail-entry__text strong {
  display: block;
  font-size: 0.78rem;
  color: var(--text);
}

.ic-mail-entry__text small {
  display: block;
  margin-top: 2px;
  font-size: 0.64rem;
  color: var(--text-tertiary);
}

.ic-mail-entry__badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ic-mail-entry__badge[hidden],
.ic-mail-fab__badge[hidden] {
  display: none !important;
}

.ic-rail__email-line {
  margin: 0;
  font-size: 0.68rem;
  color: var(--text-tertiary);
  line-height: 1.45;
}

.ic-insights {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 4px 6px;
  scroll-behavior: smooth;
}

.ic-insight {
  width: 100%;
  text-align: left;
  padding: 10px 10px;
  margin-bottom: 4px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.ic-insight:hover {
  background: color-mix(in srgb, var(--primary) 7%, var(--bg));
}

.ic-insight.is-active {
  background: color-mix(in srgb, var(--primary) 11%, var(--bg));
  border-color: color-mix(in srgb, var(--primary) 22%, transparent);
}

.ic-insight.is-new .ic-insight__badge {
  opacity: 1;
}

.ic-insight__row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.ic-insight__badge {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0;
}

.ic-insight__subject {
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ic-insight__meta {
  margin-top: 3px;
  font-size: 0.66rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-insight__tag {
  display: inline-block;
  margin-top: 5px;
  padding: 2px 6px;
  font-size: 0.6rem;
  font-weight: 700;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.ic-rail__foot {
  padding: 10px 14px 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  line-height: 1.45;
}

/* ── 主对话区：上滚动 + 下固定输入 ── */
.ic-main {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--bg);
}

.ic-chat-viewport {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ic-chat {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  padding: 16px 0 10px;
}

.ic-thread-hint {
  max-width: var(--ic-chat-max);
  margin: 0 auto 10px;
  padding: 0 var(--ic-chat-pad-x);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

.ic-messages {
  max-width: var(--ic-chat-max);
  margin: 0 auto;
  padding: 0 var(--ic-chat-pad-x);
  width: 100%;
  box-sizing: border-box;
}

.ic-welcome {
  max-width: min(640px, 100%);
  margin: min(8vh, 64px) auto 28px;
  padding: 0 var(--ic-chat-pad-x);
  text-align: center;
  animation: ic-fade-up 0.5s var(--ease-expo-out) both;
}

@keyframes ic-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ic-welcome__glyph {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}

.ic-rail__logo.ic-ai-avatar {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: transparent;
  border: none;
  box-shadow: none;
}

.ic-welcome__glyph.ic-ai-avatar {
  width: 78px;
  height: 78px;
  background: transparent;
  border: none;
  box-shadow: none;
}

/* 对话区 AI 头像：适中尺寸，与首行文字顶对齐 */
.ic-msg--assistant.ic-msg {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
}

.ic-msg__avatar.ic-ai-avatar,
.ic-msg--assistant .ic-msg__avatar.ic-ai-avatar {
  width: 44px;
  height: 44px;
  margin-top: 0;
  border-radius: 12px;
  border: none;
  box-shadow: none;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
}

.ic-msg--assistant .ic-msg__bubble {
  grid-column: 2;
  grid-row: 1;
  padding-top: 6px;
  align-self: start;
}

.ic-welcome h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
}

.ic-welcome p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.ic-welcome__chips {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.ic-chip {
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--surface);
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    border-color 0.2s var(--ease),
    color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.ic-chip:hover {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

/* Gemini 式消息：助手纯文本流，用户右侧气泡 */
.ic-msg {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 22px;
  animation: ic-msg-in 0.38s var(--ease-expo-out) both;
}

@keyframes ic-msg-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ic-msg--user {
  flex-direction: row-reverse;
  justify-content: flex-start;
  align-items: flex-end;
  gap: 12px;
}

.ic-msg__avatar {
  flex-shrink: 0;
  margin-top: 2px;
}

.ic-msg--assistant .ic-msg__avatar:not(.ic-ai-avatar) {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary);
  color: var(--primary-contrast, #fff);
}

.ic-msg--assistant .ic-msg__avatar.ic-ai-avatar {
  background: transparent;
  overflow: hidden;
}

.ic-msg--user .ic-msg__avatar.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.05rem;
  padding: 0;
  margin-top: 0;
  box-shadow:
    0 2px 6px rgba(15, 23, 42, 0.08),
    0 0 0 1px color-mix(in srgb, var(--border-light) 70%, transparent);
}

.ic-msg--user .ic-msg__avatar.user-avatar--photo {
  background: color-mix(in srgb, var(--bg) 88%, var(--primary-light));
}

.ic-msg__bubble {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

.ic-msg--assistant .ic-msg__bubble {
  background: transparent;
  border: none;
  box-shadow: none;
}

.ic-msg--user .ic-msg__bubble {
  max-width: min(78%, 520px);
  padding: 12px 16px 13px;
  border-radius: 18px 18px 6px 18px;
  background: var(--surface);
  border: none;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.05),
    0 6px 18px rgba(15, 23, 42, 0.06);
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.ic-msg__bubble p {
  margin: 0 0 0.55em;
}

.ic-msg__bubble p:last-child {
  margin-bottom: 0;
}

.ic-typing {
  display: inline-flex;
  gap: 5px;
  padding: 8px 0;
}

.ic-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: ic-typing 1.2s ease-in-out infinite;
}

.ic-typing span:nth-child(2) { animation-delay: 0.15s; }
.ic-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes ic-typing {
  0%, 80%, 100% { opacity: 0.35; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

/* 固定底部输入：浮动胶囊 + 用户头像 */
.ic-composer-dock {
  flex-shrink: 0;
  z-index: 5;
  padding: 8px var(--ic-chat-pad-x) 16px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--bg) 0%, transparent) 0%,
    var(--bg) 28%
  );
  border-top: none;
}

.ic-composer {
  max-width: var(--ic-chat-max);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 6px 6px 6px 8px;
  min-height: 56px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  box-shadow:
    0 2px 6px rgba(15, 23, 42, 0.04),
    0 10px 28px rgba(15, 23, 42, 0.07);
  transition:
    border-color 0.24s var(--ease),
    box-shadow 0.28s var(--ease);
}

.ic-composer:focus-within {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--primary) 22%, transparent),
    0 4px 16px color-mix(in srgb, var(--primary) 14%, transparent),
    0 12px 32px rgba(15, 23, 42, 0.08);
}

/* 与求职杂谈发帖栏一致的用户头像 */
.ic-composer__avatar.user-avatar.lounge-avatar--compose {
  flex-shrink: 0;
  align-self: center;
  margin: 0 0 0 4px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  padding-top: 2px;
  padding-left: 2px;
  box-shadow: 0 8px 16px -14px color-mix(in srgb, var(--primary) 56%, transparent);
}

.ic-composer__avatar.user-avatar--photo.lounge-avatar--compose {
  padding: 0 !important;
  background: color-mix(in srgb, var(--bg) 88%, var(--primary-light));
}

.ic-composer__field {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 2px 0;
}

.ic-composer textarea {
  width: 100%;
  min-height: 26px;
  max-height: 128px;
  resize: none;
  border: none;
  background: transparent;
  box-sizing: border-box;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text);
  padding: 10px 4px 10px 2px;
  margin: 0;
  outline: none;
  font-family: inherit;
}

.ic-composer textarea::placeholder {
  color: var(--text-tertiary);
}

.ic-send {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--primary) 35%, transparent);
  transition:
    transform 0.2s var(--ease-spring),
    background 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    opacity 0.2s var(--ease);
}

.ic-send__icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ic-send__icon[hidden] {
  display: none !important;
}

.ic-send:hover:not(:disabled) {
  transform: scale(1.06);
  filter: brightness(1.04);
}

.ic-send:disabled {
  background: color-mix(in srgb, var(--border) 55%, var(--surface));
  color: var(--text-tertiary);
  box-shadow: none;
  opacity: 1;
  cursor: not-allowed;
}

.ic-send.is-stop {
  background: var(--text);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}

.ic-send.is-stop:hover:not(:disabled) {
  filter: brightness(1.12);
}

.ic-composer__note {
  max-width: var(--ic-chat-max);
  margin: 8px auto 0;
  padding: 0 var(--ic-chat-pad-x);
  box-sizing: border-box;
  text-align: center;
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.ic-empty-insights {
  padding: 20px 10px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.ic-check-result {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.76rem;
  line-height: 1.45;
  display: none;
}

.ic-check-result.is-show {
  display: block;
}

.ic-check-result.is-ok {
  background: color-mix(in srgb, var(--success, #22c55e) 12%, var(--surface));
  color: color-mix(in srgb, var(--success, #16a34a) 80%, var(--text));
  border: 1px solid color-mix(in srgb, var(--success, #22c55e) 22%, transparent);
}

.ic-check-result.is-fail {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 18%, transparent);
}

@media (min-width: 1280px) {
  .ic-page {
    --ic-chat-max: min(100%, 900px);
    --ic-chat-pad-x: 20px;
  }
}

/* ── 邮箱解析浮窗 ── */
.ic-mail-fab {
  position: absolute;
  right: 20px;
  bottom: 108px;
  z-index: 12;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  box-shadow:
    0 8px 28px color-mix(in srgb, var(--primary) 45%, transparent),
    0 2px 8px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.28s var(--ease-spring),
    box-shadow 0.28s var(--ease);
}

.ic-mail-fab:hover,
.ic-mail-fab.is-active {
  transform: scale(1.06) translateY(-2px);
  box-shadow:
    0 10px 32px color-mix(in srgb, var(--primary) 55%, transparent),
    0 2px 8px rgba(0, 0, 0, 0.1);
}

.ic-mail-fab.is-pulse {
  animation: ic-fab-pulse 0.9s var(--ease-spring);
}

@keyframes ic-fab-pulse {
  0%, 100% { transform: scale(1); }
  40% { transform: scale(1.12); }
}

.ic-mail-fab__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-size: 0.62rem;
  font-weight: 800;
  border: 2px solid var(--primary);
}

.ic-mail-fab.has-unread .ic-mail-fab__badge {
  animation: ic-badge-pop 0.4s var(--ease-spring);
}

@keyframes ic-badge-pop {
  0% { transform: scale(0.6); }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.ic-mail-dock {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  visibility: hidden;
}

.ic-mail-dock.is-open {
  pointer-events: auto;
  visibility: visible;
}

.ic-mail-dock__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.28);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.32s var(--ease);
}

.ic-mail-dock.is-open .ic-mail-dock__backdrop {
  opacity: 1;
}

.ic-mail-dock__panel {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: min(420px, calc(100% - 32px));
  max-height: min(72vh, 560px);
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--primary) 12%, var(--border-light));
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow:
    0 24px 64px rgba(15, 23, 42, 0.18),
    0 0 0 1px color-mix(in srgb, #fff 40%, transparent) inset;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transition:
    opacity 0.36s var(--ease-expo-out),
    transform 0.4s var(--ease-spring);
  overflow: hidden;
}

.ic-mail-dock__panel.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ic-mail-dock__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 10px;
  border-bottom: 1px solid var(--border-light);
}

.ic-mail-dock__head h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.ic-mail-dock__head p {
  margin: 4px 0 0;
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.ic-mail-dock__close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 10px;
  background: var(--bg);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background 0.18s var(--ease);
}

.ic-mail-dock__close:hover {
  background: color-mix(in srgb, var(--primary) 10%, var(--bg));
}

.ic-mail-dock__sync {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 10px;
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.ic-btn--sm {
  margin-left: auto;
  padding: 5px 10px;
  font-size: 0.7rem;
}

.ic-mail-dock__list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 12px 14px;
  overscroll-behavior: contain;
}

.ic-mail-dock__empty {
  padding: 24px 12px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.ic-mail-card {
  padding: 12px 14px;
  margin-bottom: 8px;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  background: var(--bg);
  cursor: pointer;
  animation: ic-mail-card-in 0.4s var(--ease-expo-out) both;
  animation-delay: calc(var(--ic-stagger, 0) * 45ms);
  transition:
    border-color 0.2s var(--ease),
    transform 0.22s var(--ease-spring),
    box-shadow 0.22s var(--ease);
}

@keyframes ic-mail-card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.ic-mail-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 10%, transparent);
}

.ic-mail-card.is-unread {
  border-color: color-mix(in srgb, var(--primary) 32%, var(--border-light));
  background: color-mix(in srgb, var(--primary) 5%, var(--bg));
}

.ic-mail-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.ic-mail-card__tag {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.ic-mail-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: ic-pulse 1.8s ease-in-out infinite;
}

.ic-mail-card__subject {
  margin: 0 0 4px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.ic-mail-card__from {
  margin: 0 0 6px;
  font-size: 0.66rem;
  color: var(--text-tertiary);
}

.ic-mail-card__snip {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ic-mail-dock__detail {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 16px 16px;
  animation: ic-fade-up 0.35s var(--ease-expo-out) both;
}

.ic-mail-dock__back {
  border: none;
  background: none;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0 0 10px;
}

.ic-mail-detail__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.ic-mail-detail__subject {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.3;
}

.ic-mail-detail__from {
  margin: 0 0 12px;
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.ic-mail-detail__summary {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.ic-mail-detail__summary p {
  margin: 0 0 8px;
}

.ic-mail-detail__chat {
  width: 100%;
}

.ic-rail-backdrop {
  display: none;
}

.ic-rail-toggle {
  display: none;
}

@media (max-width: 900px) {
  .ic-page {
    grid-template-columns: 1fr;
    --ic-chat-pad-x: 12px;
  }
  .ic-rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 90;
    width: min(280px, 88vw);
    transform: translateX(-100%);
    transition: transform 0.36s var(--ease-expo-out);
    box-shadow: 8px 0 40px rgba(15, 23, 42, 0.12);
  }
  .ic-rail.is-mobile-open {
    transform: translateX(0);
  }
  .ic-rail-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 85;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
  }
  .ic-rail-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .ic-rail-toggle {
    display: inline-flex;
  }
  .topbar-actions .ic-topbar__status {
    display: none;
  }
  .ic-mail-fab {
    right: 14px;
    bottom: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ic-welcome,
  .ic-msg,
  .ic-conv,
  .ic-mail-card,
  .ic-mail-dock__panel,
  .ic-mail-dock__detail {
    animation: none;
  }
  .ic-chat {
    scroll-behavior: auto;
  }
  .ic-mail-fab.is-pulse {
    animation: none;
  }
}

.ic-msg__bubble a.ic-msg__link {
  color: var(--primary);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ic-msg__bubble a.ic-msg__link:hover {
  color: var(--primary-hover);
}

.ic-resume-drop {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  border: 1.5px dashed color-mix(in srgb, var(--primary) 38%, var(--border));
  border-radius: 14px;
  padding: 18px 16px;
  text-align: center;
  background: color-mix(in srgb, var(--primary-light) 35%, var(--surface));
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  cursor: pointer;
}

.ic-resume-drop.is-dragover {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary-light) 55%, var(--surface));
}

.ic-resume-drop__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ic-resume-drop__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary-light) 70%, var(--surface));
}

.ic-resume-drop__title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 650;
  color: var(--text);
  line-height: 1.45;
}

.ic-resume-drop__hint {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-tertiary);
  max-width: 22em;
}

.ic-resume-drop__btn {
  align-self: center;
  min-width: 148px;
  padding: 9px 18px;
  margin-top: 2px;
}

.ic-resume-status {
  margin-top: 4px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.ic-resume-status__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.ic-resume-status__head strong {
  font-size: 0.8125rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ic-resume-status__badge {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary-light) 80%, var(--surface));
  color: var(--primary-active);
}

.ic-resume-status__preview {
  margin: 0 0 8px;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-height: 120px;
  overflow: auto;
}

.ic-resume-status__time {
  margin: 0 0 10px;
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.ic-resume-progress {
  margin-top: 12px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.ic-resume-progress__bar {
  height: 3px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 22%, var(--border));
  margin-bottom: 8px;
  overflow: hidden;
  position: relative;
}

.ic-resume-progress__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 40%;
  background: var(--primary);
  border-radius: inherit;
  animation: ic-resume-indeterminate 1.1s ease-in-out infinite;
}

@keyframes ic-resume-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(260%); }
}