.cognis-demo {
  --cd-primary: #2563eb;
  --cd-primary-hover: #1d4ed8;
  --cd-primary-light: #dbeafe;
  --cd-accent: #8b5cf6;
  --cd-bg: #ffffff;
  --cd-bg-alt: #f9fafb;
  --cd-surface: #ffffff;
  --cd-surface-hover: #f3f4f6;
  --cd-text: #111827;
  --cd-text-2: #6b7280;
  --cd-text-3: #9ca3af;
  --cd-border: #e5e7eb;
  --cd-border-hover: #d1d5db;
  --cd-success: #10b981;
  --cd-warning: #f59e0b;
  --cd-danger: #ef4444;
  --cd-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --cd-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --cd-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}
.cognis-demo[data-cd-theme=dark] {
  --cd-primary: #3b82f6;
  --cd-primary-hover: #60a5fa;
  --cd-primary-light: #1e3a8a;
  --cd-accent: #a78bfa;
  --cd-bg: #0f172a;
  --cd-bg-alt: #1e293b;
  --cd-surface: #1e293b;
  --cd-surface-hover: #334155;
  --cd-text: #f8fafc;
  --cd-text-2: #e2e8f0;
  --cd-text-3: #cbd5e1;
  --cd-border: #334155;
  --cd-border-hover: #475569;
  --cd-success: #22c55e;
  --cd-warning: #fbbf24;
  --cd-danger: #f87171;
  --cd-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --cd-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --cd-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}
.cognis-demo {
  font-family: "Helvetica Neue", Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--cd-text);
  background-color: var(--cd-bg);
  border: 1px solid var(--cd-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--cd-shadow-lg);
  display: flex;
  flex-direction: column;
  height: 800px;
  max-height: 90vh;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  font-size: 1.02rem;
}
.cognis-demo *, .cognis-demo *::before, .cognis-demo *::after {
  box-sizing: border-box;
}
.cognis-demo button {
  font-family: inherit;
}
.cognis-demo :where(p, h1, h2, h3, h4, h5, h6, a, strong, em, label, input, textarea, select) {
  color: inherit;
}
.cognis-demo .cd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  flex-shrink: 0;
}
.cognis-demo .cd-logo {
  display: inline-flex;
  align-items: baseline;
  color: var(--cd-text);
}
.cognis-demo .cd-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--cd-text);
}
.cognis-demo .cd-tabs {
  display: flex;
  gap: 0.25rem;
  background-color: var(--cd-bg-alt);
  padding: 0.25rem;
  border-radius: 10px;
}
.cognis-demo .cd-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: none;
  background: transparent;
  color: var(--cd-text-2);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 7px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.cognis-demo .cd-tab svg {
  flex-shrink: 0;
}
.cognis-demo .cd-tab:hover {
  color: var(--cd-text);
}
.cognis-demo .cd-tab.is-active {
  background-color: var(--cd-surface);
  color: var(--cd-primary);
  box-shadow: var(--cd-shadow-sm);
}
.cognis-demo .cd-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cognis-demo .cd-icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--cd-text-2);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.cognis-demo .cd-icon-btn:hover {
  background-color: var(--cd-surface-hover);
  color: var(--cd-text);
}
.cognis-demo[data-cd-theme=light] .cd-icon-moon {
  display: none;
}
.cognis-demo[data-cd-theme=dark] .cd-icon-sun {
  display: none;
}
.cognis-demo .cd-body {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
}
.cognis-demo .cd-panel {
  flex: 1;
  min-width: 0;
  display: none;
  animation: cdFadeIn 0.25s ease;
}
.cognis-demo .cd-panel.is-active {
  display: flex;
}
.cognis-demo .cd-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  background-color: var(--cd-bg-alt);
  color: var(--cd-text-2);
  border: 1px solid var(--cd-border);
}
.cognis-demo .cd-chip.is-primary {
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  border-color: transparent;
}
.cognis-demo .cd-chip.is-success {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--cd-success);
  border-color: transparent;
}
.cognis-demo .cd-chip.is-warning {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--cd-warning);
  border-color: transparent;
}
.cognis-demo .cd-chip.is-danger {
  background-color: rgba(239, 68, 68, 0.12);
  color: var(--cd-danger);
  border-color: transparent;
}
.cognis-demo .cd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  color: var(--cd-text);
  cursor: pointer;
  transition: all 0.15s;
}
.cognis-demo .cd-btn:hover {
  background-color: var(--cd-surface-hover);
  border-color: var(--cd-border-hover);
}
.cognis-demo .cd-btn.is-primary {
  background-color: var(--cd-primary);
  border-color: var(--cd-primary);
  color: #fff;
}
.cognis-demo .cd-btn.is-primary:hover {
  background-color: var(--cd-primary-hover);
  border-color: var(--cd-primary-hover);
}
.cognis-demo .cd-scroll::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.cognis-demo .cd-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.cognis-demo .cd-scroll::-webkit-scrollbar-thumb {
  background: var(--cd-border);
  border-radius: 4px;
}
.cognis-demo .cd-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--cd-border-hover);
}
@media (max-width: 820px) {
  .cognis-demo {
    height: 820px;
    max-height: calc(100vh - 80px);
    border-radius: 12px;
  }
  .cognis-demo .cd-header {
    padding: 0.55rem 0.7rem;
    gap: 0.45rem;
  }
  .cognis-demo .cd-logo-text {
    font-size: 1.2rem;
  }
  .cognis-demo .cd-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.2rem;
  }
  .cognis-demo .cd-tabs::-webkit-scrollbar {
    display: none;
  }
  .cognis-demo .cd-tab {
    flex-shrink: 0;
    padding: 0.35rem 0.65rem;
    font-size: 0.78rem;
    gap: 0.3rem;
  }
  .cognis-demo .cd-icon-btn {
    width: 32px;
    height: 32px;
  }
}
@media (max-width: 520px) {
  .cognis-demo {
    height: 760px;
    max-height: calc(100vh - 60px);
    border-radius: 10px;
  }
  .cognis-demo .cd-logo-text {
    font-size: 1.05rem;
  }
  .cognis-demo .cd-tab span:not(.cd-tab-icon) {
    display: none;
  }
  .cognis-demo .cd-tab {
    padding: 0.45rem 0.65rem;
  }
}

@keyframes cdFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes cdPulse {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}
@keyframes cdTyping {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}
@keyframes cdShimmer {
  0% {
    background-position: -400px 0;
  }
  100% {
    background-position: 400px 0;
  }
}
.cognis-demo .cd-chat {
  flex: 1;
  display: flex;
  min-width: 0;
}
.cognis-demo .cd-chat-sidebar {
  width: 260px;
  flex-shrink: 0;
  background-color: var(--cd-bg-alt);
  border-right: 1px solid var(--cd-border);
  display: flex;
  flex-direction: column;
}
.cognis-demo .cd-chat-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--cd-border);
}
.cognis-demo .cd-chat-sidebar-header h4 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cd-text);
}
.cognis-demo .cd-chat-new {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  color: var(--cd-text-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.cognis-demo .cd-chat-new:hover {
  background-color: var(--cd-primary);
  border-color: var(--cd-primary);
  color: #fff;
  transform: rotate(90deg);
}
.cognis-demo .cd-chat-history {
  flex: 1;
  overflow: hidden;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.cognis-demo .cd-chat-history-item {
  display: flex;
  gap: 0.6rem;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s, border-color 0.15s;
}
.cognis-demo .cd-chat-history-item:hover {
  background-color: var(--cd-surface);
}
.cognis-demo .cd-chat-history-item.is-active {
  background-color: var(--cd-surface);
  border-color: var(--cd-primary);
}
.cognis-demo .cd-chat-history-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cognis-demo .cd-chat-history-title {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--cd-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-chat-history-time {
  font-size: 0.7rem;
  color: var(--cd-text-3);
  margin-top: 0.1rem;
}
.cognis-demo .cd-chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background-color: var(--cd-bg);
}
.cognis-demo .cd-chat-messages {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.cognis-demo .cd-chat-welcome {
  margin: auto;
  text-align: center;
  max-width: 560px;
  padding: 2rem 1rem;
  animation: cdFadeIn 0.4s ease;
}
.cognis-demo .cd-chat-welcome-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--cd-primary), var(--cd-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--cd-shadow-md);
}
.cognis-demo .cd-chat-welcome h2 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--cd-text);
}
.cognis-demo .cd-chat-welcome p {
  margin: 0 0 1.2rem;
  color: var(--cd-text-2);
}
.cognis-demo .cd-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.cognis-demo .cd-chat-suggestion {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  color: var(--cd-text-2);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
}
.cognis-demo .cd-chat-suggestion:hover {
  background-color: var(--cd-primary);
  color: #fff;
  border-color: var(--cd-primary);
  transform: translateY(-1px);
  box-shadow: var(--cd-shadow-md);
}
.cognis-demo .cd-msg {
  display: flex;
  gap: 0.8rem;
  animation: cdFadeIn 0.3s ease;
}
.cognis-demo .cd-msg.is-user {
  flex-direction: row-reverse;
}
.cognis-demo .cd-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
}
.cognis-demo .cd-msg.is-user .cd-msg-avatar {
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
}
.cognis-demo .cd-msg.is-assistant .cd-msg-avatar {
  background: linear-gradient(135deg, var(--cd-primary), var(--cd-accent));
  color: #fff;
}
.cognis-demo .cd-msg-content {
  max-width: 680px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.cognis-demo .cd-msg.is-user .cd-msg-content {
  align-items: flex-end;
}
.cognis-demo .cd-msg-bubble {
  padding: 0.85rem 1.05rem;
  border-radius: 14px;
  line-height: 1.55;
  word-wrap: break-word;
  overflow-wrap: anywhere;
  word-break: break-word;
  min-width: 0;
  max-width: 100%;
  font-size: 0.95rem;
}
.cognis-demo .cd-msg-bubble p {
  margin: 0 0 0.5rem;
}
.cognis-demo .cd-msg-bubble p:last-child {
  margin-bottom: 0;
}
.cognis-demo .cd-msg-bubble strong {
  font-weight: 600;
}
.cognis-demo .cd-msg-bubble code {
  font-family: "SFMono-Regular", Menlo, Monaco, "Courier New", monospace;
  font-size: 0.85em;
  padding: 0.08rem 0.35rem;
  border-radius: 4px;
  background-color: var(--cd-bg-alt);
  border: 1px solid var(--cd-border);
}
.cognis-demo .cd-msg-bubble ul, .cognis-demo .cd-msg-bubble ol {
  margin: 0.4rem 0;
  padding-left: 1.3rem;
}
.cognis-demo .cd-msg-bubble li {
  margin: 0.2rem 0;
}
.cognis-demo .cd-msg.is-user .cd-msg-bubble {
  background-color: var(--cd-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.cognis-demo .cd-msg.is-assistant .cd-msg-bubble {
  background-color: var(--cd-surface);
  border: 1px solid var(--cd-border);
  color: var(--cd-text);
  border-bottom-left-radius: 4px;
}
.cognis-demo .cd-msg-time {
  font-size: 0.7rem;
  color: var(--cd-text-3);
  padding: 0 0.25rem;
}
.cognis-demo .cd-thinking {
  border: 1px solid var(--cd-border);
  border-radius: 10px;
  background-color: var(--cd-bg-alt);
  margin-bottom: 0.6rem;
  overflow: hidden;
  max-width: 680px;
}
.cognis-demo .cd-thinking-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.8rem;
  color: var(--cd-text-2);
  cursor: pointer;
  user-select: none;
}
.cognis-demo .cd-thinking-header svg {
  opacity: 0.7;
}
.cognis-demo .cd-thinking.is-active .cd-thinking-header svg {
  animation: cdPulse 1.4s ease-in-out infinite;
}
.cognis-demo .cd-thinking-header::after {
  content: "";
  margin-left: auto;
  border: 4px solid transparent;
  border-top: 5px solid var(--cd-text-3);
  transition: transform 0.2s;
}
.cognis-demo .cd-thinking.is-open .cd-thinking-header::after {
  transform: rotate(180deg);
}
.cognis-demo .cd-thinking-body {
  display: none;
  padding: 0 0.75rem 0.7rem;
  font-size: 0.82rem;
  color: var(--cd-text-2);
  line-height: 1.5;
  border-top: 1px solid var(--cd-border);
  max-height: 220px;
  overflow-y: auto;
}
.cognis-demo .cd-thinking.is-open .cd-thinking-body {
  display: block;
  padding-top: 0.55rem;
}
.cognis-demo .cd-caret {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  margin-left: 1px;
  background-color: var(--cd-primary);
  vertical-align: text-bottom;
  animation: cdPulse 1s ease-in-out infinite;
  border-radius: 1px;
}
.cognis-demo .cd-typing {
  display: flex;
  gap: 0.35rem;
  padding: 0.35rem 0.2rem;
}
.cognis-demo .cd-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--cd-text-3);
  animation: cdTyping 1.4s infinite;
}
.cognis-demo .cd-typing span:nth-child(2) {
  animation-delay: 0.15s;
}
.cognis-demo .cd-typing span:nth-child(3) {
  animation-delay: 0.3s;
}
.cognis-demo .cd-tool-card {
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(139, 92, 246, 0.06));
  padding: 0.75rem 0.9rem;
  margin-bottom: 0.6rem;
  max-width: 680px;
  animation: cdFadeIn 0.35s ease;
}
.cognis-demo .cd-tool-card-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cd-text);
  margin-bottom: 0.55rem;
}
.cognis-demo .cd-tool-card-head svg {
  color: var(--cd-primary);
}
.cognis-demo .cd-tool-card-sources {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.cognis-demo .cd-source-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.55rem;
  background-color: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: 8px;
  font-size: 0.78rem;
  transition: background-color 0.15s;
  cursor: pointer;
}
.cognis-demo .cd-source-row:hover {
  background-color: var(--cd-surface-hover);
}
.cognis-demo .cd-source-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cognis-demo .cd-source-info {
  flex: 1;
  min-width: 0;
}
.cognis-demo .cd-source-title {
  font-weight: 500;
  color: var(--cd-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-source-snippet {
  color: var(--cd-text-2);
  font-size: 0.72rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-source-score {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--cd-primary);
  flex-shrink: 0;
}
.cognis-demo .cd-chat-input-wrap {
  border-top: 1px solid var(--cd-border);
  padding: 1rem 1.5rem 1.1rem;
  background-color: var(--cd-bg);
}
.cognis-demo .cd-chat-input-box {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  background-color: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
  max-width: 900px;
  margin: 0 auto;
}
.cognis-demo .cd-chat-input-box:focus-within {
  border-color: var(--cd-primary);
  box-shadow: 0 0 0 3px var(--cd-primary-light);
}
.cognis-demo .cd-chat-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--cd-text);
  font-size: 0.95rem;
  font-family: inherit;
  line-height: 1.5;
  resize: none;
  outline: none;
  max-height: 160px;
  min-height: 24px;
}
.cognis-demo .cd-chat-input::placeholder {
  color: var(--cd-text-3);
}
.cognis-demo .cd-chat-attach {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--cd-text-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, color 0.15s;
}
.cognis-demo .cd-chat-attach:hover {
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
}
.cognis-demo .cd-chat-send {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  border: none;
  background-color: var(--cd-primary);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}
.cognis-demo .cd-chat-send:hover:not(:disabled) {
  background-color: var(--cd-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--cd-shadow-md);
}
.cognis-demo .cd-chat-send:disabled {
  background-color: var(--cd-surface-hover);
  color: var(--cd-text-3);
  cursor: not-allowed;
}
.cognis-demo .cd-chat-send.is-streaming {
  background-color: var(--cd-danger);
}
.cognis-demo .cd-chat-send .cd-icon-stop {
  display: none;
}
.cognis-demo .cd-chat-send.is-streaming .cd-icon-send {
  display: none;
}
.cognis-demo .cd-chat-send.is-streaming .cd-icon-stop {
  display: inline-flex;
}
.cognis-demo .cd-chat-hint {
  margin-top: 0.45rem;
  font-size: 0.7rem;
  color: var(--cd-text-3);
  text-align: center;
}
.cognis-demo .cd-chat-panel {
  width: 220px;
  flex-shrink: 0;
  background-color: var(--cd-bg-alt);
  border-left: 1px solid var(--cd-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.cognis-demo .cd-chat-panel-header {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--cd-border);
  font-size: 0.85rem;
  font-weight: 600;
}
.cognis-demo .cd-chat-panel-body {
  padding: 0.9rem;
}
.cognis-demo .cd-panel-section {
  margin-bottom: 1.2rem;
}
.cognis-demo .cd-panel-section-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cd-text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--cd-border);
}
.cognis-demo .cd-panel-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.5rem;
  border-radius: 7px;
  font-size: 0.8rem;
  color: var(--cd-text);
  cursor: pointer;
  user-select: none;
}
.cognis-demo .cd-panel-row:hover {
  background-color: var(--cd-surface);
}
.cognis-demo .cd-panel-row input[type=checkbox] {
  accent-color: var(--cd-primary);
  margin: 0;
}
.cognis-demo .cd-panel-row .cd-panel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.cognis-demo .cd-panel-row .cd-panel-dot--engineering {
  background: #2563eb;
}
.cognis-demo .cd-panel-row .cd-panel-dot--sales {
  background: #8b5cf6;
}
.cognis-demo .cd-panel-row .cd-panel-dot--legal {
  background: #ef4444;
}
.cognis-demo .cd-panel-row .cd-panel-dot--product {
  background: #10b981;
}
@media (max-width: 820px) {
  .cognis-demo .cd-chat-sidebar, .cognis-demo .cd-chat-panel {
    display: none;
  }
  .cognis-demo .cd-chat-messages {
    padding: 1rem 0.875rem;
    gap: 1rem;
  }
  .cognis-demo .cd-chat-input-wrap {
    padding: 0.7rem 0.875rem 0.85rem;
  }
  .cognis-demo .cd-chat-welcome {
    padding: 1.25rem 0.5rem;
  }
  .cognis-demo .cd-chat-welcome-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
  }
  .cognis-demo .cd-chat-welcome h2 {
    font-size: 1.25rem;
  }
  .cognis-demo .cd-chat-welcome p {
    font-size: 0.88rem;
  }
  .cognis-demo .cd-chat-suggestion {
    font-size: 0.78rem;
    padding: 0.45rem 0.8rem;
  }
  .cognis-demo .cd-msg-content {
    max-width: 100%;
    flex: 1;
    min-width: 0;
  }
  .cognis-demo .cd-msg-bubble {
    font-size: 0.9rem;
    padding: 0.7rem 0.9rem;
  }
  .cognis-demo .cd-tool-card,
  .cognis-demo .cd-thinking {
    max-width: none;
  }
  .cognis-demo .cd-source-row {
    font-size: 0.72rem;
    gap: 0.45rem;
    padding: 0.4rem 0.5rem;
  }
  .cognis-demo .cd-chat-hint {
    font-size: 0.65rem;
  }
}
@media (max-width: 520px) {
  .cognis-demo .cd-msg-avatar {
    width: 28px;
    height: 28px;
    font-size: 0.7rem;
  }
  .cognis-demo .cd-chat-input-box {
    padding: 0.55rem 0.7rem;
  }
  .cognis-demo .cd-chat-send {
    width: 34px;
    height: 34px;
  }
}

.cognis-demo .cd-mail {
  flex: 1;
  display: flex;
  min-width: 0;
}
.cognis-demo .cd-mail-folders {
  width: 190px;
  flex-shrink: 0;
  background-color: var(--cd-bg-alt);
  border-right: 1px solid var(--cd-border);
  padding: 0.9rem 0.6rem;
}
.cognis-demo .cd-mail-compose {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background-color: var(--cd-primary);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  box-shadow: var(--cd-shadow-sm);
  transition: all 0.15s;
}
.cognis-demo .cd-mail-compose:hover {
  background-color: var(--cd-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--cd-shadow-md);
}
.cognis-demo .cd-mail-folder-list {
  margin-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.cognis-demo .cd-mail-folder {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--cd-text-2);
  transition: background-color 0.15s;
}
.cognis-demo .cd-mail-folder:hover {
  background-color: var(--cd-surface);
  color: var(--cd-text);
}
.cognis-demo .cd-mail-folder.is-active {
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  font-weight: 500;
}
.cognis-demo .cd-mail-folder .cd-mail-folder-count {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-mail-folder.is-active .cd-mail-folder-count {
  color: var(--cd-primary);
}
.cognis-demo .cd-mail-list {
  width: 340px;
  flex-shrink: 0;
  border-right: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  display: flex;
  flex-direction: column;
}
.cognis-demo .cd-mail-list-header {
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--cd-border);
}
.cognis-demo .cd-mail-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background-color: var(--cd-bg-alt);
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all 0.15s;
}
.cognis-demo .cd-mail-search:focus-within {
  background-color: var(--cd-surface);
  border-color: var(--cd-primary);
}
.cognis-demo .cd-mail-search svg {
  color: var(--cd-text-3);
  flex-shrink: 0;
}
.cognis-demo .cd-mail-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--cd-text);
  font-size: 0.85rem;
  font-family: inherit;
}
.cognis-demo .cd-mail-search input::placeholder {
  color: var(--cd-text-3);
}
.cognis-demo .cd-mail-list-scroll {
  flex: 1;
  overflow-y: auto;
}
.cognis-demo .cd-mail-item {
  display: flex;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--cd-border);
  cursor: pointer;
  position: relative;
  transition: background-color 0.15s;
}
.cognis-demo .cd-mail-item:hover {
  background-color: var(--cd-bg-alt);
}
.cognis-demo .cd-mail-item.is-active {
  background-color: var(--cd-primary-light);
}
.cognis-demo .cd-mail-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--cd-primary);
}
.cognis-demo .cd-mail-item.is-unread .cd-mail-item-from, .cognis-demo .cd-mail-item.is-unread .cd-mail-item-subject {
  font-weight: 600;
  color: var(--cd-text);
}
.cognis-demo .cd-mail-item.is-unread::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--cd-primary);
}
.cognis-demo .cd-mail-item-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.cognis-demo .cd-mail-item-body {
  flex: 1;
  min-width: 0;
}
.cognis-demo .cd-mail-item-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  justify-content: space-between;
}
.cognis-demo .cd-mail-item-from {
  font-size: 0.88rem;
  color: var(--cd-text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-mail-item-time {
  font-size: 0.7rem;
  color: var(--cd-text-3);
  flex-shrink: 0;
}
.cognis-demo .cd-mail-item-subject {
  font-size: 0.85rem;
  color: var(--cd-text);
  margin-top: 0.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-mail-item-preview {
  font-size: 0.78rem;
  color: var(--cd-text-3);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-mail-item-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.3rem;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  font-size: 0.68rem;
  font-weight: 500;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  color: var(--cd-accent);
  border: 1px solid rgba(139, 92, 246, 0.25);
}
.cognis-demo .cd-mail-detail {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--cd-bg);
}
.cognis-demo .cd-mail-detail-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--cd-border);
}
.cognis-demo .cd-mail-detail-subject {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--cd-text);
  margin: 0 0 0.6rem;
}
.cognis-demo .cd-mail-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.cognis-demo .cd-mail-detail-from {
  font-size: 0.88rem;
  color: var(--cd-text);
  font-weight: 500;
}
.cognis-demo .cd-mail-detail-to {
  font-size: 0.75rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-mail-detail-date {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-mail-detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.4rem;
  line-height: 1.65;
  color: var(--cd-text);
  font-size: 0.92rem;
}
.cognis-demo .cd-mail-detail-body p {
  margin: 0 0 0.9rem;
}
.cognis-demo .cd-mail-detail-body strong {
  font-weight: 600;
}
.cognis-demo .cd-mail-detail-body a {
  color: var(--cd-primary);
  text-decoration: none;
}
.cognis-demo .cd-mail-detail-body a:hover {
  text-decoration: underline;
}
.cognis-demo .cd-mail-ai-panel {
  padding: 1rem 1.4rem;
  border-top: 1px solid var(--cd-border);
  background-color: var(--cd-bg-alt);
}
.cognis-demo .cd-mail-ai-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cd-text);
  margin-bottom: 0.6rem;
}
.cognis-demo .cd-mail-ai-header .cd-mail-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 500;
  background: linear-gradient(135deg, var(--cd-primary), var(--cd-accent));
  color: #fff;
}
.cognis-demo .cd-mail-ai-header .cd-mail-ai-spacer {
  flex: 1;
}
.cognis-demo .cd-mail-ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}
.cognis-demo .cd-mail-ai-action {
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--cd-border);
  background-color: var(--cd-surface);
  color: var(--cd-text-2);
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.15s;
}
.cognis-demo .cd-mail-ai-action:hover {
  background-color: var(--cd-surface-hover);
  color: var(--cd-text);
  border-color: var(--cd-border-hover);
}
.cognis-demo .cd-mail-ai-action.is-active {
  background: linear-gradient(135deg, var(--cd-primary), var(--cd-accent));
  color: #fff;
  border-color: transparent;
}
.cognis-demo .cd-mail-reply {
  background-color: var(--cd-surface);
  border: 1px solid var(--cd-border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  min-height: 110px;
  font-size: 0.88rem;
  color: var(--cd-text);
  line-height: 1.55;
  position: relative;
}
.cognis-demo .cd-mail-reply.is-drafting::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cd-primary), transparent);
  background-size: 200px 100%;
  animation: cdShimmer 1.2s linear infinite;
}
.cognis-demo .cd-mail-reply-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.65rem;
}
@media (max-width: 1000px) {
  .cognis-demo .cd-mail-list {
    width: 280px;
  }
}
@media (max-width: 820px) {
  .cognis-demo .cd-mail {
    flex-direction: column;
  }
  .cognis-demo .cd-mail-folders {
    display: none;
  }
  .cognis-demo .cd-mail-list {
    width: 100%;
    flex-shrink: 0;
    max-height: 38%;
    border-right: none;
    border-bottom: 1px solid var(--cd-border);
  }
  .cognis-demo .cd-mail-list-header {
    padding: 0.6rem 0.75rem;
  }
  .cognis-demo .cd-mail-item {
    padding: 0.65rem 0.8rem;
  }
  .cognis-demo .cd-mail-detail {
    flex: 1;
    min-height: 0;
  }
  .cognis-demo .cd-mail-detail-header {
    padding: 0.85rem 1rem;
  }
  .cognis-demo .cd-mail-detail-subject {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
  }
  .cognis-demo .cd-mail-detail-body {
    padding: 1rem;
    font-size: 0.88rem;
  }
  .cognis-demo .cd-mail-ai-panel {
    padding: 0.8rem 1rem;
  }
  .cognis-demo .cd-mail-ai-header {
    flex-wrap: wrap;
    font-size: 0.78rem;
  }
  .cognis-demo .cd-mail-reply {
    padding: 0.7rem 0.85rem;
    min-height: 90px;
    font-size: 0.84rem;
  }
  .cognis-demo .cd-mail-reply-actions {
    flex-wrap: wrap;
    gap: 0.35rem;
  }
  .cognis-demo .cd-mail-reply-actions .cd-btn {
    flex: 1 1 30%;
    font-size: 0.78rem;
    padding: 0.45rem 0.6rem;
  }
}
@media (max-width: 520px) {
  .cognis-demo .cd-mail-list {
    max-height: 42%;
  }
  .cognis-demo .cd-mail-item-avatar {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
  }
  .cognis-demo .cd-mail-item {
    gap: 0.55rem;
  }
  .cognis-demo .cd-mail-item-preview {
    display: none;
  }
  .cognis-demo .cd-mail-detail-date {
    display: none;
  }
  .cognis-demo .cd-mail-ai-actions {
    gap: 0.3rem;
  }
  .cognis-demo .cd-mail-ai-action {
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
  }
}

.cognis-demo .cd-planner {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  gap: 1.5rem;
  background-color: var(--cd-bg);
}
.cognis-demo .cd-planner-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.cognis-demo .cd-planner-title h2 {
  margin: 0 0 0.3rem;
  font-size: 1.45rem;
  font-weight: 600;
}
.cognis-demo .cd-planner-title p {
  margin: 0;
  color: var(--cd-text-2);
  font-size: 0.9rem;
}
.cognis-demo .cd-planner-stats {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.cognis-demo .cd-stat-card {
  min-width: 120px;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  background-color: var(--cd-surface);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.cognis-demo .cd-stat-value {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--cd-text);
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.cognis-demo .cd-stat-value .cd-stat-delta {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--cd-success);
}
.cognis-demo .cd-stat-label {
  font-size: 0.72rem;
  color: var(--cd-text-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cognis-demo .cd-planner-section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cd-text);
  margin: 0 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.cognis-demo .cd-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}
.cognis-demo .cd-project-card {
  padding: 0.9rem 1rem;
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  background-color: var(--cd-surface);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.cognis-demo .cd-project-card:hover {
  border-color: var(--cd-primary);
  transform: translateY(-2px);
  box-shadow: var(--cd-shadow-md);
}
.cognis-demo .cd-project-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--cd-project-color, var(--cd-primary));
}
.cognis-demo .cd-project-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}
.cognis-demo .cd-project-name {
  font-weight: 600;
  color: var(--cd-text);
  font-size: 0.92rem;
}
.cognis-demo .cd-project-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-progress-track {
  height: 6px;
  background-color: var(--cd-bg-alt);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.5rem;
}
.cognis-demo .cd-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cd-primary), var(--cd-accent));
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.cognis-demo .cd-task-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.cognis-demo .cd-task {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--cd-border);
  border-radius: 10px;
  background-color: var(--cd-surface);
  transition: all 0.15s;
}
.cognis-demo .cd-task:hover {
  background-color: var(--cd-surface-hover);
  border-color: var(--cd-border-hover);
}
.cognis-demo .cd-task.is-done {
  opacity: 0.55;
}
.cognis-demo .cd-task.is-done .cd-task-title {
  text-decoration: line-through;
}
.cognis-demo .cd-task.is-new {
  animation: cdTaskAppear 0.45s cubic-bezier(0.25, 1.2, 0.5, 1);
  border-color: var(--cd-accent);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.06), rgba(99, 102, 241, 0.04));
}
@keyframes cdTaskAppear {
  0% {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.cognis-demo .cd-task-check {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid var(--cd-border-hover);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.cognis-demo .cd-task-check:hover {
  border-color: var(--cd-primary);
}
.cognis-demo .cd-task-check svg {
  opacity: 0;
  color: #fff;
}
.cognis-demo .cd-task.is-done .cd-task-check {
  background-color: var(--cd-success);
  border-color: var(--cd-success);
}
.cognis-demo .cd-task.is-done .cd-task-check svg {
  opacity: 1;
}
.cognis-demo .cd-task-body {
  flex: 1;
  min-width: 0;
}
.cognis-demo .cd-task-title {
  font-size: 0.88rem;
  color: var(--cd-text);
}
.cognis-demo .cd-task-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-task-priority {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.cognis-demo .cd-task-priority.p-low {
  background-color: var(--cd-text-3);
}
.cognis-demo .cd-task-priority.p-medium {
  background-color: var(--cd-warning);
}
.cognis-demo .cd-task-priority.p-high {
  background-color: var(--cd-danger);
}
.cognis-demo .cd-ai-suggest {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border: 1px dashed var(--cd-accent);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(99, 102, 241, 0.05));
  cursor: pointer;
  transition: all 0.2s;
}
.cognis-demo .cd-ai-suggest:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.08));
  transform: translateY(-1px);
}
.cognis-demo .cd-ai-suggest-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cd-primary), var(--cd-accent));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cognis-demo .cd-ai-suggest-text {
  font-size: 0.85rem;
  color: var(--cd-text);
}
.cognis-demo .cd-ai-suggest-text strong {
  color: var(--cd-accent);
}
@media (max-width: 820px) {
  .cognis-demo .cd-planner {
    padding: 1rem 0.875rem;
    gap: 1.2rem;
  }
  .cognis-demo .cd-planner-header {
    align-items: flex-start;
    gap: 0.8rem;
  }
  .cognis-demo .cd-planner-title h2 {
    font-size: 1.2rem;
  }
  .cognis-demo .cd-planner-title p {
    font-size: 0.85rem;
  }
  .cognis-demo .cd-planner-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    gap: 0.5rem;
  }
  .cognis-demo .cd-stat-card {
    min-width: 0;
    padding: 0.6rem 0.75rem;
  }
  .cognis-demo .cd-stat-value {
    font-size: 1.15rem;
  }
  .cognis-demo .cd-stat-label {
    font-size: 0.65rem;
  }
  .cognis-demo .cd-projects-grid {
    grid-template-columns: 1fr;
  }
  .cognis-demo .cd-ai-suggest {
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.75rem 0.85rem;
  }
  .cognis-demo .cd-ai-suggest-text {
    flex: 1 1 100%;
    font-size: 0.82rem;
  }
  .cognis-demo .cd-ai-suggest .cd-btn {
    width: 100%;
  }
}
@media (max-width: 520px) {
  .cognis-demo .cd-stat-value .cd-stat-delta {
    display: none;
  }
  .cognis-demo .cd-task {
    padding: 0.6rem 0.75rem;
    gap: 0.6rem;
  }
  .cognis-demo .cd-task-title {
    font-size: 0.84rem;
  }
}

.cognis-demo .cd-docs {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  gap: 1.2rem;
  background-color: var(--cd-bg);
}
.cognis-demo .cd-docs-hero {
  text-align: center;
  padding: 1.2rem 0 0.4rem;
}
.cognis-demo .cd-docs-hero h2 {
  margin: 0 0 0.4rem;
  font-size: 1.45rem;
  font-weight: 600;
}
.cognis-demo .cd-docs-hero p {
  margin: 0;
  color: var(--cd-text-2);
  font-size: 0.92rem;
}
.cognis-demo .cd-search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--cd-border);
  border-radius: 14px;
  background-color: var(--cd-surface);
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  position: relative;
}
.cognis-demo .cd-search-box:focus-within {
  border-color: var(--cd-primary);
  box-shadow: 0 0 0 3px var(--cd-primary-light);
}
.cognis-demo .cd-search-box.is-searching::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cd-primary), transparent);
  background-size: 300px 100%;
  animation: cdShimmer 1.2s linear infinite;
}
.cognis-demo .cd-search-box svg {
  color: var(--cd-text-3);
  flex-shrink: 0;
}
.cognis-demo .cd-search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--cd-text);
  font-size: 0.95rem;
  font-family: inherit;
}
.cognis-demo .cd-search-box input::placeholder {
  color: var(--cd-text-3);
}
.cognis-demo .cd-search-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin: 0.3rem 0 0.6rem;
}
.cognis-demo .cd-search-suggest-chip {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--cd-border);
  border-radius: 999px;
  background-color: var(--cd-surface);
  color: var(--cd-text-2);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s;
}
.cognis-demo .cd-search-suggest-chip:hover {
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  border-color: transparent;
}
.cognis-demo .cd-bank-filters {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}
.cognis-demo .cd-bank-filter {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--cd-border);
  border-radius: 999px;
  background-color: var(--cd-surface);
  color: var(--cd-text-2);
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.15s;
}
.cognis-demo .cd-bank-filter:hover {
  background-color: var(--cd-surface-hover);
}
.cognis-demo .cd-bank-filter.is-active {
  background-color: var(--cd-text);
  color: var(--cd-bg);
  border-color: var(--cd-text);
}
.cognis-demo .cd-docs-results {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.cognis-demo .cd-docs-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 0.2rem;
  font-size: 0.78rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-doc-item {
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  background-color: var(--cd-surface);
  padding: 0.9rem 1rem;
  animation: cdResultIn 0.35s ease both;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cognis-demo .cd-doc-item:hover {
  border-color: var(--cd-primary);
  box-shadow: var(--cd-shadow-md);
}
@keyframes cdResultIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.cognis-demo .cd-doc-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
}
.cognis-demo .cd-doc-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cd-primary-light);
  color: var(--cd-primary);
  flex-shrink: 0;
}
.cognis-demo .cd-doc-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--cd-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cognis-demo .cd-doc-meta {
  font-size: 0.72rem;
  color: var(--cd-text-3);
  margin-top: 0.1rem;
}
.cognis-demo .cd-doc-score {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--cd-primary);
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background-color: var(--cd-primary-light);
  border-radius: 5px;
  flex-shrink: 0;
}
.cognis-demo .cd-doc-snippet {
  font-size: 0.85rem;
  color: var(--cd-text-2);
  line-height: 1.55;
  padding: 0.7rem 0.8rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.04), rgba(139, 92, 246, 0.04));
  border: 1px solid var(--cd-border);
  border-radius: 8px;
}
.cognis-demo .cd-doc-snippet mark {
  background-color: rgba(245, 158, 11, 0.28);
  color: inherit;
  padding: 0 2px;
  border-radius: 3px;
}
.cognis-demo .cd-docs-skeleton {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.cognis-demo .cd-skeleton-item {
  border: 1px solid var(--cd-border);
  border-radius: 12px;
  background-color: var(--cd-surface);
  padding: 0.9rem 1rem;
}
.cognis-demo .cd-skeleton-bar {
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--cd-bg-alt) 0%, var(--cd-surface-hover) 50%, var(--cd-bg-alt) 100%);
  background-size: 400px 100%;
  animation: cdShimmer 1.4s linear infinite;
  margin-bottom: 0.5rem;
}
.cognis-demo .cd-docs-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--cd-text-3);
}
.cognis-demo .cd-docs-empty svg {
  opacity: 0.5;
  margin-bottom: 0.6rem;
}
.cognis-demo .cd-docs-empty p {
  margin: 0;
}
@media (max-width: 820px) {
  .cognis-demo .cd-docs {
    padding: 1rem 0.875rem;
    gap: 1rem;
  }
  .cognis-demo .cd-docs-hero {
    padding: 0.4rem 0 0.2rem;
  }
  .cognis-demo .cd-docs-hero h2 {
    font-size: 1.2rem;
  }
  .cognis-demo .cd-docs-hero p {
    font-size: 0.85rem;
  }
  .cognis-demo .cd-search-box {
    padding: 0.6rem 0.75rem;
    border-radius: 12px;
  }
  .cognis-demo .cd-search-box input {
    font-size: 0.9rem;
  }
  .cognis-demo .cd-bank-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
  }
  .cognis-demo .cd-bank-filters::-webkit-scrollbar {
    display: none;
  }
  .cognis-demo .cd-bank-filter {
    flex-shrink: 0;
  }
  .cognis-demo .cd-doc-item {
    padding: 0.75rem 0.85rem;
  }
  .cognis-demo .cd-doc-title {
    font-size: 0.88rem;
  }
  .cognis-demo .cd-doc-snippet {
    font-size: 0.82rem;
    padding: 0.6rem 0.7rem;
  }
}
@media (max-width: 520px) {
  .cognis-demo .cd-docs-results-header {
    flex-wrap: wrap;
    gap: 0.3rem;
  }
  .cognis-demo .cd-doc-icon {
    width: 30px;
    height: 30px;
  }
  .cognis-demo .cd-doc-score {
    font-size: 0.68rem;
    padding: 0.15rem 0.4rem;
  }
}