/* ========================================
   Chat Preview — Full-screen SPA style (mirrors real app)
   No window chrome — direct app layout
   ======================================== */

.chat-preview {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  height: 440px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(30, 32, 40, 0.85);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.2),
    0 2px 12px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  font-family: 'Ubuntu', 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ── Header — 3-column: avatar+name | logo | status+menu ── */
.chat-preview__header {
  padding: 0.55rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(30, 32, 40, 0.7);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  flex-shrink: 0;
}

.chat-preview__header-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.chat-preview__header-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  border: 2px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.4);
}

.chat-preview__header-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.chat-preview__header-logo {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
}

.chat-preview__header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.chat-preview__header-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.chat-preview__header-dot--green {
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}

.chat-preview__header-icon {
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.4);
  cursor: default;
}

/* ── Context Bar — top-right overlay, real app pattern ── */
.chat-preview__context-bar {
  position: absolute;
  top: 52px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 5;
  background: rgba(35, 38, 48, 0.7);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 8px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-preview__context-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.35);
}

.chat-preview__context-letter {
  width: 12px;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.58rem;
}

.chat-preview__context-pct {
  width: 24px;
  text-align: right;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.55rem;
  color: rgba(255, 255, 255, 0.3);
}

.chat-preview__context-track {
  width: 56px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.chat-preview__context-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 2s ease;
}

.chat-preview__context-fill--context {
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.5), rgba(234, 179, 8, 0.5));
}

.chat-preview__context-fill--cortex {
  background: rgba(120, 90, 220, 0.6);
}

/* ── Messages ── */
.chat-preview__messages {
  flex: 1;
  padding: 1rem 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow: hidden;
}

/* Message row — contains avatar + bubble side by side */
.chat-preview__msg-row {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  opacity: 0;
  transform: translateY(12px);
  animation: chatMsgIn 0.6s ease-out forwards;
}

.chat-preview__msg-row--user {
  flex-direction: row-reverse;
}

.chat-preview__msg-row--ai {
  flex-direction: row;
}

/* Avatar next to bubble */
.chat-preview__msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
}

.chat-preview__msg-avatar--ai {
  background: linear-gradient(135deg, #667eea, #764ba2);
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.35);
}

.chat-preview__msg-avatar--user {
  background: linear-gradient(135deg, #4f78e6, #4facfe);
  box-shadow: 0 0 0 2px rgba(79, 120, 230, 0.3);
}

/* Bubble */
.chat-preview__msg {
  max-width: 72%;
  padding: 0.6rem 0.9rem 2rem;
  font-size: 0.82rem;
  line-height: 1.6;
  position: relative;
}

.chat-preview__msg--user {
  background: rgba(55, 58, 70, 0.5);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

.chat-preview__msg--ai {
  background: rgba(45, 48, 58, 0.55);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  border-bottom-left-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

/* Sender label — pill badge */
.chat-preview__msg-sender {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(40, 42, 52, 0.6);
  padding: 0.12rem 0.5rem;
  border-radius: 10px;
  margin-bottom: 0.3rem;
}

/* Timestamp — bottom-right of bubble */
.chat-preview__msg-time {
  position: absolute;
  bottom: 0.45rem;
  right: 0.75rem;
  font-size: 0.55rem;
  color: rgba(255, 255, 255, 0.25);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.chat-preview__msg .non-verbal {
  color: #e4ba00;
  font-style: italic;
}

/* Typing indicator */
.chat-preview__typing-row {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  opacity: 0;
  animation: chatMsgIn 0.3s ease-out forwards;
}

.chat-preview__typing {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.9rem;
  background: rgba(30, 30, 40, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  border-bottom-left-radius: 4px;
}

.chat-preview__typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.chat-preview__typing-dot:nth-child(1) { animation: dotPulse 1.4s infinite 0s; }
.chat-preview__typing-dot:nth-child(2) { animation: dotPulse 1.4s infinite 0.2s; }
.chat-preview__typing-dot:nth-child(3) { animation: dotPulse 1.4s infinite 0.4s; }

/* ── Cortex Update Indicator — pill above input ── */
.chat-preview__cortex-indicator {
  align-self: center;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(30, 30, 40, 0.7);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(120, 90, 220, 0.2);
  border-radius: 20px;
  padding: 0.3rem 0.85rem;
  margin: 0.25rem 0;
}

.chat-preview__cortex-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(120, 90, 220, 0.8);
  animation: cortexPulse 1.5s infinite;
}

.chat-preview__cortex-text {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

/* ── Input ── */
.chat-preview__input {
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.chat-preview__input-emoji {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.35);
  cursor: default;
}

.chat-preview__input-field {
  flex: 1;
  background: rgba(20, 20, 30, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 0.55rem 0.85rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: 'Ubuntu', 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.chat-preview__input-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  flex-shrink: 0;
}

.chat-preview__input-send svg {
  width: 16px;
  height: 16px;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Animations ── */
@keyframes chatMsgIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes dotPulse {
  0%, 80%, 100% { transform: scale(0); opacity: 0; }
  40% { transform: scale(1); opacity: 1; }
}

@keyframes cortexPulse {
  0%, 100% { opacity: 0.6; box-shadow: 0 0 0 0 rgba(120, 90, 220, 0.4); }
  50% { opacity: 1; box-shadow: 0 0 8px 2px rgba(120, 90, 220, 0.3); }
}

/* ── Light Mode ── */
:root[data-theme="light"] .chat-preview {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.08),
    0 2px 12px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

:root[data-theme="light"] .chat-preview__header {
  background: rgba(245, 247, 250, 0.7);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .chat-preview__header-name {
  color: #1a1a2e;
}

:root[data-theme="light"] .chat-preview__header-logo {
  color: rgba(26, 26, 46, 0.3);
}

:root[data-theme="light"] .chat-preview__header-icon {
  color: rgba(26, 26, 46, 0.35);
}

:root[data-theme="light"] .chat-preview__context-bar {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .chat-preview__context-row {
  color: rgba(58, 58, 74, 0.6);
}

:root[data-theme="light"] .chat-preview__context-letter {
  color: rgba(58, 58, 74, 0.5);
}

:root[data-theme="light"] .chat-preview__context-pct {
  color: rgba(58, 58, 74, 0.45);
}

:root[data-theme="light"] .chat-preview__context-track {
  background: rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .chat-preview__msg--user {
  background: rgba(79, 120, 230, 0.1);
  border-color: rgba(79, 120, 230, 0.2);
  color: #1a1a2e;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .chat-preview__msg--ai {
  background: rgba(240, 242, 248, 0.85);
  border-color: rgba(0, 0, 0, 0.08);
  color: #1a1a2e;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .chat-preview__msg-sender {
  color: rgba(58, 58, 74, 0.7);
  background: rgba(0, 0, 0, 0.05);
}

:root[data-theme="light"] .chat-preview__msg-time {
  color: rgba(58, 58, 74, 0.35);
}

:root[data-theme="light"] .chat-preview__msg .non-verbal {
  color: #b8960a;
}

:root[data-theme="light"] .chat-preview__typing {
  background: rgba(240, 242, 248, 0.7);
  border-color: rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .chat-preview__typing-dot {
  background: rgba(58, 58, 74, 0.3);
}

:root[data-theme="light"] .chat-preview__cortex-indicator {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(120, 90, 220, 0.2);
}

:root[data-theme="light"] .chat-preview__cortex-text {
  color: rgba(58, 58, 74, 0.6);
}

:root[data-theme="light"] .chat-preview__input {
  border-top-color: rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .chat-preview__input-emoji {
  color: rgba(58, 58, 74, 0.35);
}

:root[data-theme="light"] .chat-preview__input-field {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(0, 0, 0, 0.12);
  color: rgba(58, 58, 74, 0.5);
}

:root[data-theme="light"] .chat-preview__input-send svg {
  color: rgba(58, 58, 74, 0.4);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .chat-preview { border-radius: 16px; height: 360px; }
  .chat-preview__context-bar { display: none; }
  .chat-preview__msg-avatar { width: 28px; height: 28px; font-size: 0.55rem; }
}