/* Header Actions */
.chat-header-actions {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 20;
}

.icon-btn {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Edit Message Button */
.message.user {
  position: relative;
  padding-right: 32px;
}

.edit-msg-btn {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.2s;
  display: flex;
}

.message.user:hover .edit-msg-btn {
  opacity: 1;
}

.edit-msg-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

/* Disabled Input State */
.chat-input-wrapper.disabled {
  background: var(--bg-card-hover);
  opacity: 0.7;
  pointer-events: none;
  cursor: not-allowed;
}

.chat-input-wrapper.disabled textarea {
  color: var(--text-muted);
}

/* No citations message */
.no-citations-msg {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 8px 0;
  text-align: center;
  opacity: 0.8;
}

/* ===== Compact Model Pill ===== */
.model-pill-container {
  position: relative;
  z-index: 1000;
  flex-shrink: 0;
}

.model-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(71, 85, 105, 0.5);
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  white-space: nowrap;
  font-family: inherit;
  line-height: 1;
}

.model-pill:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(6, 182, 212, 0.4);
  color: var(--text-primary);
}

.model-pill.active {
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.15);
}

.model-pill-name {
  width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

.model-pill-arrow {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.model-pill.active .model-pill-arrow {
  transform: rotate(180deg);
}

/* Dropdown - compact, opens upward */
.model-pill-dropdown {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  max-width: 240px;
  background: rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(71, 85, 105, 0.6);
  border-radius: 10px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  animation: pillDropdownIn 0.15s ease-out;
  backdrop-filter: blur(20px);
  z-index: 10000;
}

@keyframes pillDropdownIn {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.model-pill-options {
  max-height: 280px;
  overflow-y: auto;
  padding: 4px;
}

.model-pill-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.12s ease;
  font-size: 0.85rem;
}

.model-pill-option:hover {
  background: rgba(30, 41, 59, 0.6);
}

.model-pill-option.selected {
  background: rgba(6, 182, 212, 0.08);
}

.model-pill-option.selected:hover {
  background: rgba(6, 182, 212, 0.14);
}

.model-pill-option-name {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-pill-check-icon {
  flex-shrink: 0;
  color: var(--primary);
}

/* Locked models */
.model-pill-option.locked {
  opacity: 0.55;
}

.model-pill-option.locked:hover {
  opacity: 0.75;
  background: rgba(245, 158, 11, 0.06);
}

.model-pill-option.locked .model-pill-option-name {
  color: var(--text-muted);
}

.model-pill-tier-badge {
  font-size: 0.6rem;
  font-weight: 700;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  padding: 1px 6px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.model-pill-lock-icon {
  flex-shrink: 0;
  color: #f59e0b;
}

/* Scrollbar */
.model-pill-options::-webkit-scrollbar {
  width: 5px;
}

.model-pill-options::-webkit-scrollbar-track {
  background: transparent;
}

.model-pill-options::-webkit-scrollbar-thumb {
  background: rgba(71, 85, 105, 0.5);
  border-radius: 3px;
}

.model-pill-options::-webkit-scrollbar-thumb:hover {
  background: rgba(71, 85, 105, 0.7);
}