/**
 * Conversation Timeline UI — production styles (Phase 5.1.5).
 * Colors via CSS variables only. Shared by visitor widget + admin dashboard.
 */

/* Lucide icon sizing (chat module) */
.ic-chat-icon,
[data-lucide].ic-chat-icon {
  display: inline-block;
  vertical-align: -0.125em;
  width: 1em;
  height: 1em;
  stroke-width: 2;
}

.ic-chat-icon--xs {
  width: 12px;
  height: 12px;
}

.ic-chat-icon--sm {
  width: 14px;
  height: 14px;
}

.ic-chat-icon--md {
  width: 18px;
  height: 18px;
}

.ic-chat-icon--lg {
  width: 22px;
  height: 22px;
}

.ic-chat-icon--xl {
  width: 28px;
  height: 28px;
}

.ic-conv [data-lucide],
.ic-comp [data-lucide],
.ic-att-card [data-lucide] {
  display: inline-block;
  vertical-align: middle;
}

.ic-conv {
  --ic-conv-bg: #f8fafc;
  --ic-conv-surface: #ffffff;
  --ic-conv-border: #e2e8f0;
  --ic-conv-text: #0f172a;
  --ic-conv-muted: #64748b;
  --ic-conv-bubble-in: #ffffff;
  --ic-conv-bubble-out: #2563eb;
  --ic-conv-bubble-out-text: #ffffff;
  --ic-conv-system: #64748b;
  --ic-conv-accent: #2563eb;
  --ic-conv-danger: #ef4444;
  --ic-conv-chip-bg: #f1f5f9;
  --ic-conv-chip-accent: var(--ic-conv-accent);
  --ic-conv-skeleton: #e2e8f0;
  --ic-conv-skeleton-shine: #f1f5f9;
  --ic-conv-overlay: rgba(15, 23, 42, 0.3);
  --ic-conv-radius: 16px;
  --ic-conv-font: inherit;
  --ic-conv-safe-bottom: env(safe-area-inset-bottom, 0px);
  --ic-conv-safe-top: env(safe-area-inset-top, 0px);

  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 280px;
  max-height: 100%;
  background: var(--ic-conv-bg);
  color: var(--ic-conv-text);
  font-family: var(--ic-conv-font);
  border: 1px solid var(--ic-conv-border);
  border-radius: var(--ic-conv-radius);
  overflow: hidden;
  color-scheme: light;
  box-sizing: border-box;
}

.ic-conv *,
.ic-conv *::before,
.ic-conv *::after {
  box-sizing: border-box;
}

.ic-conv[data-theme="dark"],
.ic-conv.ic-conv--dark {
  --ic-conv-bg: #10131a;
  --ic-conv-surface: #1a1f2c;
  --ic-conv-border: #2c3344;
  --ic-conv-text: #e8eaef;
  --ic-conv-muted: #9aa3b2;
  --ic-conv-bubble-in: #232836;
  --ic-conv-bubble-out: #3b6fd4;
  --ic-conv-bubble-out-text: #ffffff;
  --ic-conv-system: #9aa3b2;
  --ic-conv-accent: #6b9eff;
  --ic-conv-chip-bg: #252b3a;
  --ic-conv-skeleton: #2a3040;
  --ic-conv-skeleton-shine: #343b4d;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  .ic-conv[data-theme="auto"] {
    --ic-conv-bg: #10131a;
    --ic-conv-surface: #1a1f2c;
    --ic-conv-border: #2c3344;
    --ic-conv-text: #e8eaef;
    --ic-conv-muted: #9aa3b2;
    --ic-conv-bubble-in: #232836;
    --ic-conv-bubble-out: #3b6fd4;
    --ic-conv-bubble-out-text: #ffffff;
    --ic-conv-system: #9aa3b2;
    --ic-conv-accent: #6b9eff;
    --ic-conv-chip-bg: #252b3a;
    --ic-conv-skeleton: #2a3040;
    --ic-conv-skeleton-shine: #343b4d;
    color-scheme: dark;
  }
}

.ic-conv-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Header */
.ic-conv__header {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  padding-top: calc(12px + var(--ic-conv-safe-top));
  background: var(--ic-conv-surface);
  border-bottom: 1px solid var(--ic-conv-border);
}

.ic-conv__header-main {
  flex: 1 1 auto;
  min-width: 0;
}

.ic-conv__title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}

.ic-conv__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.ic-conv-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  line-height: 1.4;
  background: var(--ic-conv-chip-bg);
  color: var(--ic-conv-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ic-conv-chip--status {
  color: var(--ic-conv-accent);
  font-weight: 600;
}

.ic-conv-chip--group {
  border-left: 3px solid var(--ic-conv-chip-accent, var(--ic-conv-accent));
}

.ic-conv-chip--editable {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-right: 4px;
  cursor: pointer;
}

.ic-conv-chip__label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ic-conv-muted, #64748b);
  flex: 0 0 auto;
}

.ic-conv-chip__select {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E")
    no-repeat right 2px center;
  padding: 0 16px 0 0;
  margin: 0;
  font: inherit;
  font-weight: 600;
  color: inherit;
  max-width: 140px;
  cursor: pointer;
  outline: none;
}

.ic-conv-chip__select:disabled {
  opacity: 0.6;
  cursor: wait;
}

.ic-conv-chip__select:focus-visible {
  outline: 2px solid var(--ic-conv-accent, #4f46e5);
  outline-offset: 2px;
  border-radius: 4px;
}

.ic-conv-chip--priority .ic-conv-chip__select {
  text-transform: capitalize;
}

.ic-conv__presence {
  font-size: 0.7rem;
  color: var(--ic-conv-muted);
  margin-top: 6px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.ic-conv__presence-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--ic-conv-muted);
  flex: 0 0 auto;
}

.ic-conv__presence[data-online="1"] {
  color: #15803d;
}

.ic-conv__presence[data-online="1"] .ic-conv__presence-dot {
  background: #15803d;
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.2);
}

.ic-conv[data-theme="dark"] .ic-conv__presence[data-online="1"],
.ic-conv[data-theme="auto"] .ic-conv__presence[data-online="1"] {
  color: #4ade80;
}

.ic-conv[data-theme="dark"] .ic-conv__presence[data-online="1"] .ic-conv__presence-dot,
.ic-conv[data-theme="auto"] .ic-conv__presence[data-online="1"] .ic-conv__presence-dot {
  background: #4ade80;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.2);
}

.ic-conv__presence-people {
  color: var(--ic-conv-muted);
  font-weight: 500;
}

.ic-conv__header-actions {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ic-conv__action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.ic-conv__action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border: 1px solid var(--ic-conv-border);
  border-radius: 8px;
  background: var(--ic-conv-bg);
  color: var(--ic-conv-text);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ic-conv__action-btn:hover:not(:disabled) {
  background: var(--ic-conv-chip-bg);
  border-color: var(--ic-conv-accent);
}

.ic-conv__action-btn:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: 2px;
}

.ic-conv__action-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

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

.ic-conv__action-btn--primary:hover:not(:disabled) {
  filter: brightness(1.05);
  background: var(--ic-conv-accent);
  border-color: var(--ic-conv-accent);
  color: #fff;
}

.ic-conv__action-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.ic-conv__menu-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--ic-conv-border);
  border-radius: 8px;
  background: var(--ic-conv-bg);
  color: var(--ic-conv-text);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.ic-conv__menu-btn:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: 2px;
}

.ic-conv__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  min-width: 160px;
  padding: 6px;
  background: var(--ic-conv-surface);
  border: 1px solid var(--ic-conv-border);
  border-radius: 10px;
  box-shadow: 0 8px 24px var(--ic-conv-overlay);
  z-index: 5;
}

.ic-conv__menu-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--ic-conv-text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.8125rem;
  cursor: pointer;
}

.ic-conv__menu-item:hover,
.ic-conv__menu-item:focus-visible {
  background: var(--ic-conv-chip-bg);
  outline: none;
}

.ic-conv__menu-item--lifecycle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.ic-conv__menu-item-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.ic-conv__menu-sep {
  height: 1px;
  margin: 4px 6px;
  background: var(--ic-conv-border);
}

/* Body */
.ic-conv__body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}

.ic-conv__skeleton {
  padding: 16px;
}

.ic-conv__skel-line,
.ic-conv__skel-bubble {
  border-radius: 10px;
  background: linear-gradient(
    90deg,
    var(--ic-conv-skeleton) 0%,
    var(--ic-conv-skeleton-shine) 50%,
    var(--ic-conv-skeleton) 100%
  );
  background-size: 200% 100%;
  animation: ic-conv-shimmer 1.2s ease-in-out infinite;
}

.ic-conv__skel-line {
  height: 10px;
  width: 40%;
  margin: 0 auto 16px;
}

.ic-conv__skel-bubble {
  height: 44px;
  width: 62%;
  margin-bottom: 12px;
}

.ic-conv__skel-bubble--right {
  margin-left: auto;
  width: 55%;
}

@keyframes ic-conv-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.ic-conv__state {
  padding: 24px 16px;
  text-align: center;
  color: var(--ic-conv-muted);
  font-size: 0.875rem;
}

.ic-conv__state-text {
  margin: 0 0 12px;
}

.ic-conv__state-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--ic-conv-primary, #2563eb);
}

.ic-conv__state-btn:hover {
  filter: brightness(0.95);
}

.ic-conv__state-btn:focus-visible {
  outline: 2px solid var(--ic-conv-primary, #2563eb);
  outline-offset: 2px;
}

.ic-conv__state[data-state="error"],
.ic-conv__state[data-state="permission_denied"] {
  color: var(--ic-conv-danger);
}

.ic-conv__load-older {
  align-self: center;
  margin: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  border: 1px solid var(--ic-conv-border);
  background: var(--ic-conv-surface);
  color: var(--ic-conv-text);
  border-radius: 999px;
  cursor: pointer;
  z-index: 1;
}

.ic-conv__load-older:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: 2px;
}

.ic-conv__timeline {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 14px 28px;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  outline: none;
}

.ic-conv__timeline::-webkit-scrollbar {
  width: 6px;
}

.ic-conv__timeline::-webkit-scrollbar-track {
  background: transparent;
}

.ic-conv__timeline::-webkit-scrollbar-thumb {
  background-color: #cbd5e1;
  border-radius: 20px;
}

.ic-conv__timeline::-webkit-scrollbar-thumb:hover {
  background-color: #94a3b8;
}

.ic-conv__timeline:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: -2px;
}

.ic-conv__jump {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  z-index: 2;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: var(--ic-conv-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--ic-conv-overlay);
}

.ic-conv__jump:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: 2px;
}

/* Unread divider (Read Cursor Engine — Phase 7.2) */
.ic-conv__unread-divider {
  align-self: stretch;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: #b91c1c;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 12px 0 8px;
  position: relative;
}

.ic-conv__unread-divider span {
  position: relative;
  z-index: 1;
  padding: 0 10px;
  background: var(--ic-conv-bg, #fff);
}

.ic-conv__unread-divider::before,
.ic-conv__unread-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 32%;
  height: 1px;
  background: rgba(185, 28, 28, 0.35);
}

.ic-conv__unread-divider::before {
  left: 0;
}

.ic-conv__unread-divider::after {
  right: 0;
}

/* Activity / typing indicator (Phase 7.3) */
.ic-conv__activity {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 26px;
  padding: 4px 14px 6px;
  font-size: 0.75rem;
  color: var(--ic-conv-muted, #6b7280);
  background: linear-gradient(
    to top,
    var(--ic-conv-bg, #fff) 55%,
    transparent
  );
  pointer-events: none;
}

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

.ic-conv__activity-dots {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ic-conv-accent, #2563eb);
  box-shadow:
    10px 0 0 var(--ic-conv-accent, #2563eb),
    20px 0 0 var(--ic-conv-accent, #2563eb);
  animation: ic-conv-activity-pulse 1.2s ease-in-out infinite;
  margin-right: 16px;
  opacity: 0.85;
}

@keyframes ic-conv-activity-pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

/* Events */
.ic-conv-event {
  display: flex;
  gap: 8px;
  margin: 10px 0;
  max-width: 100%;
  align-items: flex-end;
}

.ic-conv-event--left {
  justify-content: flex-start;
  flex-direction: row;
}

.ic-conv-event--right {
  justify-content: flex-end;
  flex-direction: row-reverse;
}

.ic-conv-event--center {
  justify-content: center;
}

.ic-conv-avatar {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--ic-conv-chip-bg);
  color: var(--ic-conv-muted);
}

.ic-conv-col {
  display: flex;
  flex-direction: column;
  max-width: min(78%, 420px);
  min-width: 0;
}

.ic-conv-event--right .ic-conv-col {
  align-items: flex-end;
}

.ic-conv-meta-row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  margin-bottom: 2px;
  padding: 0 2px;
}

.ic-conv-sender {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ic-conv-muted);
}

.ic-conv-time {
  font-size: 0.65rem;
  color: var(--ic-conv-muted);
  opacity: 0.85;
}

.ic-conv-bubble {
  max-width: 100%;
  padding: 10px 14px;
  border-radius: 16px 16px 16px 4px;
  background: var(--ic-conv-bubble-in);
  border: 1px solid var(--ic-conv-border);
  font-size: 0.875rem;
  line-height: 1.45;
  word-wrap: break-word;
  overflow-wrap: anywhere;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.ic-conv-event--right .ic-conv-bubble {
  background: var(--ic-conv-bubble-out);
  color: var(--ic-conv-bubble-out-text);
  border-color: transparent;
  border-radius: 16px 16px 4px 16px;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.15);
}

.ic-conv-bubble--ai {
  border-style: dashed;
}

.ic-conv-bubble--media img {
  display: block;
  max-width: 100%;
  max-height: 240px;
  border-radius: 8px;
}

.ic-conv-delivery {
  font-size: 0.65rem;
  color: var(--ic-conv-muted);
  margin-top: 2px;
  opacity: 0.5;
}

/* Acknowledgement state slot (Phase 7.4) — prepared for checkmarks; hidden for now. */
.ic-conv-ack {
  display: none;
  font-size: 0.65rem;
  color: var(--ic-conv-muted);
  margin-top: 2px;
}

.ic-conv-ack[data-ack-state='delivered'],
.ic-conv-ack[data-ack-state='read'],
.ic-conv-ack[data-ack-state='seen'] {
  /* Reserved for future checkmark / seen indicator styles (Phase 7.4+). */
  content: none;
}

.ic-conv-system {
  font-size: 0.75rem;
  color: var(--ic-conv-system);
  text-align: center;
  padding: 4px 10px;
  max-width: 90%;
}

.ic-conv-card {
  max-width: min(78%, 360px);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px dashed var(--ic-conv-border);
  background: var(--ic-conv-surface);
  text-align: center;
}

.ic-conv-card__title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ic-conv-muted);
}

.ic-conv-card__body {
  font-size: 0.7rem;
  color: var(--ic-conv-muted);
  margin-top: 2px;
  opacity: 0.85;
}

/* Footer / composer */
.ic-conv__footer {
  flex: 0 0 auto;
  padding: 10px 12px calc(12px + var(--ic-conv-safe-bottom));
  background: var(--ic-conv-surface);
  border-top: 1px solid var(--ic-conv-border);
}

.ic-conv__composer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 8px;
  row-gap: 4px;
  align-items: end;
}

.ic-conv__attach {
  grid-column: 1;
  grid-row: 1;
  align-self: end;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--ic-conv-border);
  border-radius: 10px;
  background: var(--ic-conv-bg);
  cursor: not-allowed;
  opacity: 0.55;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.ic-conv__composer-main {
  display: contents;
}

.ic-conv__input {
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  width: 100%;
  resize: none;
  min-height: 40px;
  max-height: 144px;
  padding: 10px 12px;
  border: 1px solid var(--ic-conv-border);
  border-radius: 10px;
  background: var(--ic-conv-bg);
  color: var(--ic-conv-text);
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.4;
  overflow-y: auto;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ic-conv__input:focus-visible,
.ic-conv__input:focus {
  border-color: var(--ic-conv-accent) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
  outline: none !important;
}

.ic-conv__input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ic-conv__composer-meta {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  justify-content: flex-end;
}

.ic-conv__counter {
  font-size: 0.65rem;
  color: var(--ic-conv-muted);
}

.ic-conv__counter[data-over="1"] {
  color: var(--ic-conv-danger);
}

.ic-conv__send {
  grid-column: 3;
  grid-row: 1;
  align-self: end;
  flex: 0 0 auto;
  width: 40px;
  min-width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 10px;
  background: var(--ic-conv-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.8125rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ic-conv__send [data-lucide],
.ic-conv__send svg {
  width: 18px;
  height: 18px;
  display: block;
}

.ic-conv__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ic-conv__send:focus-visible {
  outline: 2px solid var(--ic-conv-accent);
  outline-offset: 2px;
}

.ic-conv__hint {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--ic-conv-muted);
}

.ic-conv[data-ui-status="loading"] .ic-conv__timeline {
  opacity: 0.25;
  pointer-events: none;
}

/* Host helpers */
.ic-chat-conv-root,
.ic-chat-admin-conv {
  height: 100%;
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.ic-chat-admin-layout {
  display: block;
}

/* Admin conversation shell — right-side offcanvas drawer */
.ic-chat-admin-drawer.ic-chat-admin-drawer {
  --bs-offcanvas-width: min(640px, 96vw);
  --ic-admin-accent: #2563eb;
  --ic-admin-accent-soft: rgba(37, 99, 235, 0.1);
  --ic-admin-surface: #ffffff;
  --ic-admin-border: #e8edf3;
  --ic-admin-muted: #64748b;
  --ic-admin-text: #0f172a;
}

.ic-chat-admin-drawer .offcanvas-body.ic-chat-admin-conv-body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #f8fafc;
}

.ic-chat-admin-drawer .ic-chat-admin-conv {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
}

.ic-chat-admin-drawer.ic-chat-admin-conv-card--open .ic-chat-admin-conv-toolbar__icon,
#ic-chat-conv-card.ic-chat-admin-conv-card--open .ic-chat-admin-conv-toolbar__icon {
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}

.ic-chat-admin-drawer.ic-chat-admin-conv-card--open .ic-chat-admin-conv-toolbar__subtitle,
#ic-chat-conv-card.ic-chat-admin-conv-card--open .ic-chat-admin-conv-toolbar__subtitle {
  color: #1d4ed8;
  font-weight: 500;
}

.ic-chat-admin-conv-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--ic-admin-border, #e8edf3);
}

.ic-chat-admin-conv-toolbar__main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.ic-chat-admin-conv-toolbar__icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ic-admin-accent-soft, rgba(37, 99, 235, 0.1));
  color: var(--ic-admin-accent, #2563eb);
  font-size: 16px;
}

.ic-chat-admin-conv-toolbar__text {
  min-width: 0;
}

.ic-chat-admin-conv-toolbar__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ic-admin-text, #0f172a);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-chat-admin-conv-toolbar__subtitle {
  margin: 2px 0 0;
  font-size: 0.75rem;
  color: var(--ic-admin-muted, #64748b);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ic-chat-admin-conv-close {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: 1px solid var(--ic-admin-border, #e8edf3);
  border-radius: 8px;
  background: #ffffff;
  color: #64748b;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  padding: 0;
}

.ic-chat-admin-conv-close:hover {
  background: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
}

.ic-chat-admin-conv-close:focus-visible {
  outline: 2px solid var(--ic-admin-accent, #2563eb);
  outline-offset: 2px;
}

.ic-chat-admin-conv-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  background: #f8fafc;
  height: 100%;
  overflow: hidden;
}

.ic-chat-admin-conv-empty {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
}

.ic-chat-admin-conv-empty__inner {
  max-width: 320px;
}

.ic-chat-admin-conv-empty__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
  color: #2563eb;
  font-size: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.ic-chat-admin-conv-empty__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #1e293b;
}

.ic-chat-admin-conv-empty__text {
  margin: 0 0 20px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: #64748b;
}

.ic-chat-admin-conv-empty__tips {
  list-style: none;
  margin: 0;
  padding: 16px 18px;
  text-align: left;
  background: #ffffff;
  border: 1px solid #e8edf3;
  border-radius: 10px;
  font-size: 0.8125rem;
  color: #475569;
}

.ic-chat-admin-conv-empty__tips li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
}

.ic-chat-admin-conv-empty__tips li + li {
  margin-top: 10px;
}

.ic-chat-admin-conv-empty__tips [data-lucide],
.ic-chat-admin-conv-empty__tips .ic-chat-icon {
  color: #10b981;
  margin-top: 2px;
  flex: 0 0 auto;
}

/* Conversation engine inside admin shell */
.ic-chat-admin-conv .ic-conv {
  --ic-conv-bg: #f1f5f9;
  --ic-conv-surface: #ffffff;
  --ic-conv-border: #e2e8f0;
  --ic-conv-accent: #2563eb;
  --ic-conv-bubble-out: #2563eb;
  --ic-conv-radius: 0;

  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  border: none;
  border-radius: 0;
  background: var(--ic-conv-bg);
}

.ic-chat-admin-conv .ic-conv__header {
  padding: 10px 16px;
  background: #ffffff;
  border-bottom: 1px solid #e8edf3;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.ic-chat-admin-conv .ic-conv__header-actions {
  flex-shrink: 0;
}

.ic-chat-admin-conv .ic-conv__action-bar {
  max-width: min(100%, 320px);
}

.ic-chat-admin-conv .ic-conv__action-btn--primary {
  background: var(--ic-admin-accent, #2563eb);
  border-color: var(--ic-admin-accent, #2563eb);
}

.ic-chat-admin-conv .ic-conv__title {
  display: none;
}

.ic-chat-admin-conv .ic-conv__chips {
  margin-top: 0;
}

.ic-chat-admin-conv .ic-conv__presence {
  margin-top: 4px;
}

.ic-chat-admin-conv .ic-conv__timeline {
  padding: 16px 18px 20px;
  background:
    radial-gradient(circle at 20% 0%, rgba(37, 99, 235, 0.04) 0%, transparent 42%),
    radial-gradient(circle at 80% 100%, rgba(14, 165, 233, 0.04) 0%, transparent 38%),
    var(--ic-conv-bg);
}

.ic-chat-admin-conv .ic-conv-bubble {
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.ic-chat-admin-conv .ic-conv-event--right .ic-conv-bubble {
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.22);
}

.ic-chat-admin-conv .ic-conv__footer {
  background: #ffffff;
  border-top: 1px solid #e8edf3;
  padding: 12px 14px 14px;
}

.ic-chat-admin-conv .ic-comp {
  --ic-comp-accent: #2563eb;
  border-top: none;
  padding: 0;
  background: transparent;
}

.ic-chat-admin-conv .ic-comp__form {
  align-items: end;
}

.ic-chat-admin-conv .ic-comp__attach,
.ic-chat-admin-conv .ic-comp__send {
  width: 2.5rem;
  height: 2.5rem;
}

.ic-chat-admin-conv .ic-conv__jump {
  background: #2563eb;
}

.ic-chat-admin-conv .ic-conv-chip--status {
  color: #1d4ed8;
  background: #eff6ff;
}

@media (max-width: 991px) {
  .ic-chat-admin-drawer.ic-chat-admin-drawer {
    --bs-offcanvas-width: min(100vw, 100%);
  }
}

@media (max-width: 640px) {
  .ic-conv {
    border-radius: 0;
    border-left: none;
    border-right: none;
    min-height: 240px;
  }

  .ic-conv-col {
    max-width: 88%;
  }

  .ic-conv__header,
  .ic-conv__footer {
    padding-left: 12px;
    padding-right: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ic-conv__timeline {
    scroll-behavior: auto;
  }

  .ic-conv__skel-line,
  .ic-conv__skel-bubble {
    animation: none;
  }
}

/* Phase 9.1 — Internal Notes (visibility=internal, staff only) */
.ic-conv-event--system_note .ic-conv-note {
  background: #fef9c3;
  border: 1px solid #fde047;
  border-radius: 10px;
  padding: 10px 12px;
  color: #713f12;
  font-size: 0.925rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.ic-conv-note-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #a16207;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.ic-conv-note-lock {
  font-size: 0.85em;
}

.ic-chat-note {
  background: #fef9c3;
  border: 1px solid #fde047;
  border-radius: 10px;
  padding: 10px 12px;
  color: #713f12;
}

.ic-chat-note__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: #a16207;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.ic-chat-note__body {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
}

/* Phase 9.2 — attribute chips (+ editable priority/group) */
.ic-conv-chip--attr {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  font-weight: 500;
}

/* Premium Live Chat Dashboard Styles */
.bg-soft-warning {
  background-color: rgba(245, 158, 11, 0.12) !important;
}
.bg-soft-primary {
  background-color: rgba(37, 99, 235, 0.12) !important;
}
.bg-soft-success {
  background-color: rgba(16, 185, 129, 0.12) !important;
}
.bg-soft-info {
  background-color: rgba(6, 182, 212, 0.12) !important;
}

.avatar-sm {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.font-size-22 {
  font-size: 22px !important;
}

.font-size-12 {
  font-size: 12px !important;
}

.card-hover-lift {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.card-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05) !important;
}

.text-muted-custom {
  color: #8b96a8 !important;
}

/* Tab filter button group styling */
#ic-chat-filters {
  background-color: #f1f3f6;
  padding: 4px;
  border-radius: 8px;
  border: none;
  display: inline-flex;
}

#ic-chat-filters .btn {
  border: none !important;
  border-radius: 6px !important;
  padding: 6px 14px !important;
  font-weight: 500;
  color: #5a687c;
  background-color: transparent !important;
  transition: all 0.2s ease;
  font-size: 0.8125rem;
}

#ic-chat-filters .btn.btn-primary {
  background-color: #ffffff !important;
  color: #1e1b4b !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

#ic-chat-filters .btn.btn-outline-primary {
  color: #5a687c;
  background-color: transparent !important;
}

#ic-chat-filters .btn:hover {
  color: #1f2937;
  background-color: rgba(255, 255, 255, 0.5) !important;
}

#ic-chat-filters .btn.btn-primary:hover {
  background-color: #ffffff !important;
  color: #1e1b4b !important;
}

/* Premium table styling for visitor queue */
#ic-chat-queue-table {
  border-collapse: separate;
  border-spacing: 0 8px;
}

#ic-chat-queue-table thead th {
  border-bottom: none;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  color: #8b96a8;
  padding: 10px 16px;
  letter-spacing: 0.05em;
}

#ic-chat-queue-table tbody tr {
  background-color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all 0.2s ease;
}

#ic-chat-queue-table tbody tr.ic-chat-empty {
  box-shadow: none !important;
}

#ic-chat-queue-table tbody tr.ic-chat-empty td {
  background-color: transparent !important;
  border: none !important;
}

#ic-chat-queue-table tbody td {
  padding: 12px 16px;
  border-top: 1px solid #f1f3f6;
  border-bottom: 1px solid #f1f3f6;
  vertical-align: middle;
}

#ic-chat-queue-table tbody td:first-child {
  border-left: 1px solid #f1f3f6;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
}

#ic-chat-queue-table tbody td:last-child {
  border-right: 1px solid #f1f3f6;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

#ic-chat-queue-table tbody tr:hover {
  background-color: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
}

#ic-chat-queue-table tbody tr.table-active td {
  background-color: rgba(37, 99, 235, 0.08) !important;
  border-color: #bfdbfe !important;
  color: #0f172a;
}

#ic-chat-queue-table tbody tr.table-active td:first-child {
  border-left: 4px solid #2563eb !important;
}