/**
 * Chat Widget - Brain
 * Estilos adaptados al tema oscuro de la web
 */

/* Chat Widget Button (flotante) */
.chat-widget-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--accent-color);
  color: var(--contrast-color);
  border: none;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--accent-color), transparent 50%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.chat-widget-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent-color), transparent 40%);
}

/* Chat Widget Container */
.chat-widget-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  height: 500px;
  background: var(--surface-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  display: none;
  flex-direction: column;
  z-index: 100000;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.chat-widget-container.chat-widget-open {
  display: flex;
}

/* Header */
.chat-widget-header {
  background: var(--accent-color);
  color: var(--contrast-color);
  padding: 16px 20px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-family: var(--heading-font);
}

.chat-widget-header button {
  background: transparent;
  border: none;
  color: var(--contrast-color);
  cursor: pointer;
  padding: 4px;
  font-size: 18px;
  line-height: 1;
  opacity: 0.9;
}

.chat-widget-header button:hover {
  opacity: 1;
}

/* Body (mensajes) */
.chat-widget-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: var(--surface-color);
}

.chat-widget-body p {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  font-family: var(--default-font);
}

.chat-widget-welcome {
  color: var(--default-color) !important;
  background: color-mix(in srgb, var(--accent-color), transparent 90%) !important;
}

.chat-widget-message-user {
  color: var(--default-color);
  background: color-mix(in srgb, var(--default-color), transparent 92%);
  margin-left: 24px;
}

.chat-widget-message-bot {
  color: var(--contrast-color);
  background: var(--accent-color);
  margin-right: 24px;
}

.chat-widget-message-error {
  color: var(--contrast-color);
  background: #dc3545;
  margin-right: 24px;
  font-size: 13px;
}

.chat-widget-loading {
  color: var(--default-color);
  background: color-mix(in srgb, var(--accent-color), transparent 90%);
  margin-right: 24px;
  font-style: italic;
}

/* Footer (input) */
.chat-widget-footer {
  padding: 12px 16px;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 85%);
  display: flex;
  gap: 10px;
  background: var(--surface-color);
}

.chat-widget-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 80%);
  border-radius: 8px;
  outline: none;
  background: color-mix(in srgb, var(--surface-color), black 20%);
  color: var(--default-color);
  font-size: 14px;
  font-family: var(--default-font);
}

.chat-widget-input::placeholder {
  color: color-mix(in srgb, var(--default-color), transparent 50%);
}

.chat-widget-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-color), transparent 85%);
}

.chat-widget-send {
  background: var(--accent-color);
  color: var(--contrast-color);
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.chat-widget-send:hover {
  background: color-mix(in srgb, var(--accent-color), transparent 15%);
  transform: scale(1.02);
}

.chat-widget-send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Responsive - móvil */
@media (max-width: 576px) {
  .chat-widget-container {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 80vh;
    max-height: 600px;
    border-radius: 16px 16px 0 0;
  }

  .chat-widget-button {
    bottom: 16px;
    right: 16px;
  }
}