/* Chat widget: fixed bottom-right button + panel */
.chat-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  font-family: inherit;
}

.chat-widget-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--purple-600, #7c3aed);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.chat-widget-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}
[data-theme="dark"] .chat-widget-toggle {
  background: #6366f1;
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.5);
}
[data-theme="dark"] .chat-widget-toggle:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.chat-widget-panel {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 340px;
  max-width: calc(100vw - 2rem);
  height: 520px;
  max-height: 75vh;
  background: var(--bg-elevated, #fff);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
[data-theme="dark"] .chat-widget-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.chat-widget-header {
  padding: 1rem 1.25rem;
  background: var(--purple-600, #7c3aed);
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}
.chat-widget-title { font-weight: 600; font-size: 1rem; }
.chat-widget-subtitle { font-size: 0.8rem; opacity: 0.9; width: 100%; }
.chat-widget-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.25rem;
  opacity: 0.9;
}
.chat-widget-close:hover { opacity: 1; }

.chat-widget-intro {
  padding: 1rem 1.25rem;
  flex: 1;
  overflow-y: auto;
}
.chat-widget-intro-text {
  font-size: 0.9rem;
  color: var(--text-muted, #6b7280);
  margin-bottom: 1rem;
}
.chat-widget-intro-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.chat-widget-intro-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--text-default, #111);
}
.chat-widget-intro-field input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-default, #e5e7eb);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--bg-default, #fff);
  color: var(--text-default, #111);
}
.chat-widget-intro-submit {
  margin-top: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--purple-600, #7c3aed);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
}
.chat-widget-intro-submit:hover:not(:disabled) { opacity: 0.9; }
.chat-widget-intro-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.chat-widget-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-widget-msg { max-width: 90%; }
.chat-widget-msg--user { align-self: flex-end; }
.chat-widget-msg--ai,
.chat-widget-msg--agent { align-self: flex-start; }

.chat-widget-msg-label {
  font-size: 0.7rem;
  color: var(--text-muted, #6b7280);
  margin-bottom: 0.2rem;
}
.chat-widget-msg-body {
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.4;
}
.chat-widget-msg--user .chat-widget-msg-body {
  background: var(--purple-600, #7c3aed);
  color: #fff;
}
.chat-widget-msg--ai .chat-widget-msg-body,
.chat-widget-msg--agent .chat-widget-msg-body {
  background: var(--bg-subtle, #f3f4f6);
  color: var(--text-default, #111);
}
[data-theme="dark"] .chat-widget-msg--ai .chat-widget-msg-body,
[data-theme="dark"] .chat-widget-msg--agent .chat-widget-msg-body {
  background: var(--bg-strong);
  color: var(--text-default);
}

.chat-widget-form {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-default, #e5e7eb);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.chat-widget-form textarea {
  flex: 1;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-default, #e5e7eb);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--bg-default, #fff);
  color: var(--text-default, #111);
  line-height: 1.4;
}
[data-theme="dark"] .chat-widget-form textarea {
  background: var(--bg-subtle);
  color: var(--text-default);
  border-color: var(--border-default);
}
[data-theme="dark"] .chat-widget-form textarea::placeholder {
  color: var(--text-placeholder);
}
.chat-widget-send {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: 8px;
  background: var(--purple-600, #7c3aed);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chat-widget-send:hover:not(:disabled) { opacity: 0.9; }
.chat-widget-send:disabled { opacity: 0.6; cursor: not-allowed; }

.chat-widget-closed {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-default, #e5e7eb);
}
.chat-widget-closed-text {
  font-size: 0.85rem;
  color: var(--text-muted, #6b7280);
  margin: 0;
}

.chat-widget-footer {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border-default, #e5e7eb);
  flex-shrink: 0;
}
.chat-widget-footer-btn {
  font-size: 0.8rem;
  padding: 0.35rem 0.6rem;
  background: transparent;
  color: var(--purple-600, #7c3aed);
  border: 1px solid var(--purple-600, #7c3aed);
  border-radius: 6px;
  cursor: pointer;
}
.chat-widget-footer-btn:hover:not(:disabled) { opacity: 0.9; background: rgba(124, 58, 237, 0.08); }
.chat-widget-footer-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.chat-widget-footer-btn--end { color: var(--text-muted, #6b7280); border-color: var(--border-default, #e5e7eb); }
.chat-widget-footer-btn--end:hover:not(:disabled) { background: var(--bg-subtle, #f3f4f6); }
[data-theme="dark"] .chat-widget-footer-btn {
  color: #818cf8;
  border-color: #818cf8;
}
[data-theme="dark"] .chat-widget-footer-btn:hover:not(:disabled) {
  background: rgba(129, 140, 248, 0.15);
}
[data-theme="dark"] .chat-widget-footer-btn--end {
  color: var(--text-muted);
  border-color: var(--border-default);
}
[data-theme="dark"] .chat-widget-footer-btn--end:hover:not(:disabled) {
  background: var(--bg-strong);
}
[data-theme="dark"] .chat-widget-messages {
  color: var(--text-default);
}