/* ========================================================================
   ChatBot de Soporte — Estilos
   Estética: moderna, premium, limpia, genérica.
   Mobile-first.
   ======================================================================== */

:root {
  /* Rampas de color */
  --primary-50:  #f0f7ff;
  --primary-100: #e0effe;
  --primary-200: #bae0fd;
  --primary-500: #3b9eff;
  --primary-600: #1c7ed6;
  --primary-700: #1864ab;

  --accent-50:  #fef2f2;
  --accent-100: #fee4e4;
  --accent-300: #fca5a5;
  --accent-500: #f43f5e;
  --accent-600: #e11d48;
  --accent-700: #be123c;

  /* Rojo para mensaje de usuario */
  --user-red:      #4b5563;
--user-red-dark: #374151;

  /* Verde para botón enviar */
  --send-green:      #10b983;
  --send-green-dark: #059669;

  /* Neutros */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Estados */
  --success:    #22c55e;
  --success-dark: #16a34a;
  --whatsapp:   #25D366;
  --whatsapp-hover: #1da851;

  /* Tipografía */
  --font-body: 'Poppins', 'Noto Color Emoji', sans-serif;
  --font-size-base: 15px;
  --font-size-sm: 13px;
  --font-size-xs: 11px;

  /* Espaciado (sistema 8px) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;

  /* Bordes y sombras */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 40px rgba(0,0,0,0.12);
}

/* ----------------------------- Reset base ------------------------------ */
* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  background: linear-gradient(160deg, #eef2f7 0%, #e3e3e9 100%);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--gray-800);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

/* --------------------------- Layout principal -------------------------- */
.main-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  height: 100vh;
  max-height: 100vh;
  background: #ffffff;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}

.chat-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 10px;
  justify-content: space-between;
  overflow-y: auto;
  box-sizing: border-box;
  flex: 1;
  min-height: 0;
}

/* ------------------------------- Logo ---------------------------------- */
#logo {
  text-align: center;
  margin-bottom: 4px;
  padding: 6px 0 2px;
}

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  color: var(--gray-700);
}

.logo-placeholder svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--primary-600);
}

.logo-placeholder span {
  font-size: var(--font-size-base);
  font-weight: 600;
  white-space: nowrap;
}

/* ------------------------------ Chatbox -------------------------------- */
#chatbox {
  flex: 1;
  overflow-y: auto;
  border-radius: var(--radius-md);
  background-color: var(--gray-50);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
  padding: var(--space-1);
  margin-bottom: var(--space-1);
  min-height: 40vh;
  max-height: calc(100vh - 220px);
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

/* Scrollbar sutil */
#chatbox::-webkit-scrollbar { width: 6px; }
#chatbox::-webkit-scrollbar-track { background: transparent; }
#chatbox::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}
#chatbox::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ------------------------------ Mensajes ------------------------------- */
.message {
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  max-width: 92%;
  word-wrap: break-word;
  font-size: 14px;
  line-height: 1.55;
  position: relative;
  animation: messageAppear 0.35s ease-out;
}

@keyframes messageAppear {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-content {
  margin-bottom: 4px;
  width: 100%;
}

/* Mensaje usuario */
.user-message {
  background: linear-gradient(135deg, var(--user-red), var(--user-red-dark));
  color: #fff;
  margin-left: auto;
  border-bottom-right-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.user-message a { color: #fff; text-decoration: underline; }

/* Mensaje bot */
.bot-message {
  background: #ffffff;
  color: var(--gray-800);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  border: 1px solid var(--gray-200);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}

/* ------------------------- Botón de copiar ----------------------------- */
.copy-button-container {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  margin-top: 6px;
}

.copy-button {
  font-family: var(--font-body);
  background-color: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-xs);
  color: var(--gray-600);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.copy-button svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}
.copy-button:hover {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

/* --------------------------- "Pensando..." ----------------------------- */
.thinking-message {
  align-items: center;
  flex-direction: row;
  gap: 10px;
  padding: 14px 18px;
}

.thinking-dots {
  display: inline-flex;
  gap: 4px;
  position: relative;
  width: 28px;
  height: 14px;
}
.thinking-dots::before,
.thinking-dots::after {
  content: '';
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-500);
  animation: dotPulse 1.2s infinite ease-in-out;
}
.thinking-dots::before { left: 0; animation-delay: 0s; }
.thinking-dots::after  { left: 14px; animation-delay: 0.2s; }

.thinking-message .thinking-text::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-500);
  margin-left: 4px;
  animation: dotPulse 1.2s infinite ease-in-out 0.4s;
  vertical-align: middle;
}

@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

.thinking-text {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 400;
}

/* ------------------------- Spinner de carga ---------------------------- */
.loading-spinner {
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary-500);
  border-radius: 50%;
  width: 10px;
  height: 10px;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin: 0;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* --------------------------- Input container --------------------------- */
.input-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 4px 0;
}

#user-input,
.suggestion-button,
#reset-context,
#send-button {
  font-family: var(--font-body);
}

#user-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-300);
  font-size: var(--font-size-base);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  background: #fff;
}
#user-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59,158,255,0.12);
}
#user-input::placeholder {
  color: var(--gray-400);
}

/* ------------------------------ Botones ------------------------------- */
#send-button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--send-green), var(--send-green-dark));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
#send-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
#send-button:active {
  transform: translateY(0);
}

#reset-context {
  width: 100%;
  padding: 12px 20px;
  background: var(--accent-50);
  color: var(--accent-600);
  border: 1px solid var(--accent-100);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
#reset-context svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
#reset-context:hover {
  background: var(--accent-100);
  border-color: var(--accent-300);
  color: var(--accent-700);
}

/* --------------------------- Disclaimer -------------------------------- */
.disclaimer {
  font-size: 10px;
  text-align: center;
  margin-top: var(--space-1);
  padding: 0 var(--space-1);
  color: var(--gray-500);
  line-height: 1.5;
}

/* =========================== WhatsApp ================================== */
.whatsapp-dropdown-container {
  position: relative;
  display: flex;
  justify-content: center;
  margin: var(--space-1) auto;
  width: auto;
}

.whatsapp-button-style {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  padding: 10px 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  transition: background-color 0.3s ease, transform 0.15s ease;
  justify-content: center;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.whatsapp-button-style:hover {
  transform: translateY(-1px);
}

#whatsapp-main-button {
  background-color: var(--whatsapp);
}
#whatsapp-main-button:hover {
  background-color: var(--whatsapp-hover);
}

.dropdown-arrow {
  margin-left: 8px;
  font-size: 0.8em;
  transition: transform 0.3s ease;
}
#whatsapp-main-button.open .dropdown-arrow {
  transform: rotate(180deg);
}

.whatsapp-options-list {
  display: none;
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  min-width: 200px;
  background-color: #ffffff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  max-height: 220px;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.whatsapp-options-list.active {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.whatsapp-options-list a {
  display: block;
  padding: 12px 16px;
  color: var(--gray-700);
  text-decoration: none;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid var(--gray-100);
}
.whatsapp-options-list a:hover {
  background-color: var(--gray-50);
  color: var(--whatsapp);
}
.whatsapp-options-list a:last-child {
  border-bottom: none;
}

/* ====================== Sugerencias predictivas ======================= */
#predictive-suggestions-container {
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 100%;
  background-color: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 20;
  padding: 4px 0;
  max-height: 240px;
  overflow-y: auto;
}

#predictive-suggestions-container .suggestion-button {
  display: block;
  width: 100%;
  padding: 11px 16px;
  border: none;
  border-bottom: 1px solid var(--gray-100);
  text-align: left;
  background-color: transparent;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  transition: background-color 0.2s ease;
  font-family: var(--font-body);
}
#predictive-suggestions-container .suggestion-button:hover {
  background-color: var(--primary-50);
  color: var(--primary-700);
}
#predictive-suggestions-container .suggestion-button:last-child {
  border-bottom: none;
}

#predictive-suggestions-container.show {
  display: block;
  animation: fadeInSuggestions 0.2s ease-in-out forwards;
}

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

/* ==================== Sugerencias posteriores ======================== */
.inline-suggestion-block {
  margin: 10px 0 6px 0;
  padding: 0 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 92%;
}

.suggestion-label {
  width: 100%;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.inline-suggestion-block .suggestion-button {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-700);
  text-align: center;
  padding: 7px 12px;
  border: 1px solid var(--gray-200);
  background-color: #fff;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.3s ease;
}

.inline-suggestion-block .suggestion-button.show {
  opacity: 1;
  transform: translateY(0);
}

.inline-suggestion-block .suggestion-button:hover {
  background-color: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.inline-suggestion-block .suggestion-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Botón "No era esto" — pulgar abajo, una sola línea */
.inline-suggestion-block .suggestion-button.no-era-esto {
  background-color: var(--accent-50);
  color: var(--accent-600);
  border-color: var(--accent-100);
  opacity: 1;
  transform: translateY(0);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.inline-suggestion-block .suggestion-button.no-era-esto:hover {
  background-color: var(--accent-100);
  border-color: var(--accent-300);
  color: var(--accent-700);
}

/* ============================ Fade in ================================= */
.message.fade-in {
  opacity: 0;
  animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* =========================== Responsive =============================== */

/* Tablets y desktop */
@media (min-width: 769px) {
  .main-container {
    width: 92%;
    max-width: 820px;
    max-height: 96vh;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
  }

  .chat-container {
    padding: var(--space-2);
  }

  .input-container {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  #user-input {
    flex: 1;
    width: auto;
    border-radius: var(--radius-full);
    padding: 12px 16px;
  }

  #send-button {
    width: auto;
    padding: 12px 22px;
    border-radius: var(--radius-full);
  }

  #reset-context {
    width: auto;
    padding: 10px 16px;
    border-radius: var(--radius-full);
  }

  .message {
    max-width: 88%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
  }

  .inline-suggestion-block {
    max-width: 88%;
  }

  .inline-suggestion-block .suggestion-button {
    font-size: var(--font-size-sm);
    padding: 8px 14px;
  }

  .disclaimer {
    font-size: var(--font-size-xs);
  }

  #chatbox {
    min-height: 35vh;
    max-height: calc(85vh - 120px);
  }

  .whatsapp-options-list {
    min-width: 240px;
  }
}

/* Tablets medianas */
@media (min-width: 481px) and (max-width: 768px) {
  .main-container {
    max-width: 700px;
  }
}