/* Chat Widget - Base Structure (No Colors) */

/* Reset para aislar estilos del tema WordPress */
.edu-chat-widget,
.edu-chat-widget * {
  font-family: var(--chat-font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif);
  box-sizing: border-box;
}

.edu-chat-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

/* Boton toggle */
.edu-chat-toggle {
  width: 60px !important;
  height: 60px !important;
  border-radius: 50% !important;
  background: var(--chat-toggle-bg);
  border: none;
  cursor: pointer;
  box-shadow: var(--chat-toggle-shadow);
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
  transition: var(--chat-transition);
}

.edu-chat-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--chat-toggle-shadow-hover);
}

.edu-chat-toggle svg {
  display: block;
  width: 40px !important;
  height: 40px !important;
  fill: var(--chat-toggle-icon-color);
}

/* Ventana del chat */
.edu-chat-window {
  position: fixed;
  bottom: 88px;
  right: 20px;
  width: 380px;
  height: 560px;
  background: var(--chat-window-bg);
  border-radius: var(--chat-border-radius, 12px);
  box-shadow: var(--chat-window-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--chat-window-border);
}

.edu-chat-window.open {
  display: flex;
}

/* Header */
.edu-chat-header {
  background: var(--chat-header-bg);
  color: var(--chat-header-color);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--chat-header-border);
}

.edu-chat-header h3 {
  display: block;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.edu-chat-close {
  background: none;
  border: none;
  color: var(--chat-close-color);
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--chat-transition);
}

.edu-chat-close:hover {
  background: var(--chat-close-hover-bg);
  color: var(--chat-close-hover-color);
}

/* Area de mensajes */
.edu-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--chat-messages-bg);
}

.edu-chat-message {
  margin-bottom: 12px;
  display: flex;
}

.edu-chat-message--user {
  justify-content: flex-end;
}

.edu-chat-message--assistant {
  justify-content: flex-start;
}

.edu-chat-message-content {
  display: block;
  max-width: 100% !important;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--chat-message-radius, 8px);
  line-height: 1.5;
  font-size: 14px;
}

/* Reset de títulos para evitar herencia del tema */
.edu-chat-message-content h1,
.edu-chat-message-content h2,
.edu-chat-message-content h3 {
  margin: 8px 0 !important;
  line-height: 1.2 !important;
  font-weight: 600 !important;
}

.edu-chat-message-content h1 {
  font-size: 1.2rem !important;
}

.edu-chat-message-content h2 {
  font-size: 1.1rem !important;
}

.edu-chat-message-content h3 {
  font-size: 1rem !important;
}

.edu-chat-message--assistant .edu-chat-message-content {
  background: var(--chat-message-assistant-bg);
  color: var(--chat-message-assistant-color);
  border: 1px solid var(--chat-message-assistant-border);
}

.edu-chat-message--user .edu-chat-message-content {
  background: var(--chat-message-user-bg);
  color: var(--chat-message-user-color);
}

/* Legacy class support */
.edu-chat-message.user {
  justify-content: flex-end;
}

.edu-chat-message.assistant {
  justify-content: flex-start;
}

/* Area de input */
.edu-chat-input-area {
  display: block;
  padding: 16px;
  background: var(--chat-input-area-bg);
  border-top: 1px solid var(--chat-input-area-border);
}

.edu-chat-input-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  background: var(--chat-input-bg, #fff);
  border: 1px solid var(--chat-input-border, #e2e8f0);
  border-radius: 25px;
  padding: 4px 4px 4px 16px;
  transition: var(--chat-transition);
}

.edu-chat-input-wrapper:focus-within {
  border-color: var(--chat-input-focus-border);
  box-shadow: var(--chat-input-focus-shadow);
}

.edu-chat-input {
  flex: 1;
  border: none !important;
  padding: 10px 50px 10px 16px;
  border-radius: 20px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  outline: none !important;
  background: transparent;
  resize: none;
  overflow-y: auto;
  max-height: 120px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.edu-chat-input:focus {
  outline: none !important;
  border: none !important;
}

.edu-chat-input::placeholder {
  color: var(--chat-input-placeholder);
}

.edu-chat-send-button,
.edu-chat-send {
  width: 36px !important;
  height: 36px !important;
  border-radius: 50% !important;
  background: var(--chat-send-bg);
  border: none;
  color: var(--chat-send-color);
  cursor: pointer;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
  transition: var(--chat-transition);
  flex-shrink: 0;
}

.edu-chat-send-button:hover,
.edu-chat-send:hover {
  background: var(--chat-send-hover-bg);
}

.edu-chat-send-button:disabled,
.edu-chat-send:disabled {
  background: var(--chat-send-disabled-bg);
  cursor: not-allowed;
}

.edu-chat-send-button svg,
.edu-chat-send svg {
  display: block;
  width: 18px !important;
  height: 18px !important;
  fill: white !important;
}

/* Loading animation */
.edu-chat-loading {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.edu-chat-loading span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--chat-loading-color);
  animation: pulse 1.4s infinite ease-in-out both;
}

.edu-chat-loading span:nth-child(1) { animation-delay: -0.32s; }
.edu-chat-loading span:nth-child(2) { animation-delay: -0.16s; }

@keyframes pulse {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Citations */
.edu-chat-citations {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--chat-citation-border);
  font-size: 12px;
}

.edu-chat-citations a {
  color: var(--chat-citation-color);
  text-decoration: none;
  display: inline-block;
  padding: 4px 8px;
  background: var(--chat-citation-bg);
  border-radius: 4px;
  margin: 2px 4px 2px 0;
  transition: var(--chat-transition);
}

.edu-chat-citations a:hover {
  background: var(--chat-citation-hover-bg);
  color: var(--chat-citation-hover-color);
}

/* Code blocks */
.edu-chat-message code {
  display: inline;
  background: var(--chat-code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--chat-code-font, 'SF Mono', Monaco, 'Courier New', monospace);
  font-size: 13px;
}

.edu-chat-message--user code,
.edu-chat-message.user code {
  background: var(--chat-code-user-bg);
}

/* Scrollbar */
.edu-chat-messages {
  scrollbar-width: thin;
  scrollbar-color: var(--chat-scrollbar-thumb) transparent;
}

.edu-chat-messages::-webkit-scrollbar {
  width: 6px;
}

.edu-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.edu-chat-messages::-webkit-scrollbar-thumb {
  background: var(--chat-scrollbar-thumb);
  border-radius: 3px;
}

.edu-chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--chat-scrollbar-thumb-hover);
}

/* Ejercicios expandibles en el chat */
.chat-exercises-container {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--chat-exercise-border);
  display: block;
}

.chat-exercise-wrapper {
  margin-bottom: 10px;
  display: block;
}

.chat-exercise-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--btn-exercise-bg);
  border: 1px solid var(--btn-exercise-border);
  border-radius: 8px;
  color: var(--btn-exercise-color);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  line-height: 1.4;
}

.chat-exercise-toggle:hover {
  background: var(--btn-exercise-hover-bg);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.chat-exercise-toggle:active {
  transform: translateY(0);
}

.chat-exercise-content {
  margin-top: 12px;
  padding: 0 !important;
  background: var(--exercise-content-bg);
  border: 1px solid var(--exercise-content-border);
  border-radius: 8px;
  max-height: none;
  overflow-y: visible;
  overflow-x: hidden;
  display: block;
  font-size: 0.9rem;
  font-family: -apple-system, sans-serif !important;
}

.chat-exercise-content * {
  font-family: inherit !important;
}

/* Override de estilos de ejercicios dentro del chat */
.chat-exercise-content .sp-exercise-container {
  box-sizing: border-box;
  margin: 0 !important;
  padding: 12px !important;
  box-shadow: none !important;
  border: none !important;
  display: block;
  background: transparent !important;
}

.chat-exercise-content .sp-exercise-header {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  margin-bottom: 12px;
  display: block;
}

.chat-exercise-content .sp-exercise-content {
  padding: 0 !important;
  display: block;
}

.chat-exercise-content .sp-options-list {
  margin-top: 12px;
  display: block;
  padding: 0 !important;
  list-style: none !important;
}

.chat-exercise-content .sp-answer-module {
  display: inline-flex;
  align-items: center;
}

.chat-exercise-content .sp-answer-toggle {
  cursor: pointer;
  display: inline-flex !important;
  align-items: center !important;
}

/* Asegurar que el estado activo no rompa el flujo del título */
.chat-exercise-content .sp-answer-interactive-box {
  display: inline-flex !important;
  align-items: center !important;
}

.chat-exercise-content .sp-answer-active {
  display: inline-flex !important;
}

/* Scrollbar para ejercicios */
.chat-exercise-content {
  scrollbar-width: thin;
  scrollbar-color: var(--chat-scrollbar-thumb) transparent;
}

.chat-exercise-content::-webkit-scrollbar {
  width: 6px;
}

.chat-exercise-content::-webkit-scrollbar-track {
  background: transparent;
}

.chat-exercise-content::-webkit-scrollbar-thumb {
  background: var(--chat-scrollbar-thumb);
  border-radius: 3px;
}

.chat-exercise-content::-webkit-scrollbar-thumb:hover {
  background: var(--chat-scrollbar-thumb-hover);
}

/* Display fixes para contenido LaTeX/SMILES */
.edu-chat-message-content,
.chat-exercise-content {
  display: block;
  width: 100%;
}

.chat-exercise-content > * {
  max-width: 100%;
}

/* Responsive */
@media (max-width: 768px) {
  .edu-chat-window {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
    margin: 0 !important;
  }

  .edu-chat-toggle {
    bottom: 20px !important;
    right: 20px !important;
    width: 60px !important;
    height: 60px !important;
  }

  .edu-chat-toggle svg {
    width: 40px !important;
    height: 40px !important;
  }
}