/* =========================================================
   AI Agent Chat Widget v2.4 — Safari fixes incluidos
   ========================================================= */

:root {
  --ai-primary:       #6C63FF;
  --ai-primary-dark:  #5A52D5;
  --ai-bg:            #ffffff;
  --ai-surface:       #f4f4f8;
  --ai-bot-bubble:    #f0f0f8;
  --ai-text:          #1a1a2e;
  --ai-text-muted:    #888;
  --ai-border:        rgba(0,0,0,0.08);
  --ai-radius:        18px;
  --ai-shadow:        0 8px 32px rgba(0,0,0,0.16);
  --ai-font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ai-z:             9999;
  --ai-chat-h:        480px;
  --ai-msg-h:         340px; /* altura explícita del área de mensajes = chat - header - input - footer */
}

/* ── Widget flotante contenedor ───────────────────────── */

.ai-agent-float {
  position: fixed;
  z-index: var(--ai-z);
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}
.ai-agent-float.bottom-right { bottom: 20px; right: 20px; }
.ai-agent-float.bottom-left  { bottom: 20px; left: 20px; -webkit-align-items: flex-start; align-items: flex-start; }

.ai-agent-float.hide-mobile { display: none !important; }
@media (min-width: 769px) {
  .ai-agent-float.hide-mobile  { display: -webkit-flex !important; display: flex !important; }
  .ai-agent-float.hide-desktop { display: none !important; }
}

/* ── Botón toggle ─────────────────────────────────────── */

.ai-agent-toggle-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--ai-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(108,99,255,0.45);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-transition: transform 0.2s, box-shadow 0.2s;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 10px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
}
.ai-agent-toggle-btn:hover { -webkit-transform: scale(1.08); transform: scale(1.08); }
.ai-agent-toggle-btn.has-label {
  border-radius: 28px; width: auto;
  padding: 0 16px 0 12px; gap: 8px;
  font-size: 14px; font-weight: 600;
}

@-webkit-keyframes aiRipple {
  0%   { box-shadow: 0 0 0 0 rgba(108,99,255,0.4); }
  70%  { box-shadow: 0 0 0 14px rgba(108,99,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(108,99,255,0); }
}
@keyframes aiRipple {
  0%   { box-shadow: 0 0 0 0 rgba(108,99,255,0.4); }
  70%  { box-shadow: 0 0 0 14px rgba(108,99,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(108,99,255,0); }
}
.ai-agent-toggle-btn.pulse {
  -webkit-animation: aiRipple 2s infinite;
  animation: aiRipple 2s infinite;
}

/* ── Panel flotante ───────────────────────────────────── */

.ai-agent-panel {
  margin-bottom: 10px;
  width: 340px;
  max-width: calc(100vw - 36px);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--ai-shadow);
  -webkit-animation: aiSlideUp 0.22s ease;
  animation: aiSlideUp 0.22s ease;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}

@-webkit-keyframes aiSlideUp {
  from { opacity: 0; -webkit-transform: translateY(12px) scale(0.97); transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; -webkit-transform: translateY(0)   scale(1);    transform: translateY(0)   scale(1); }
}
@keyframes aiSlideUp {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}

/* ── Inline wrapper ───────────────────────────────────── */

.ai-agent-inline-wrapper {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--ai-shadow);
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}

/* ═══════════════════════════════════════════════════════
   ESTRUCTURA INTERNA DEL CHAT
   Safari fix: NO usar flex:1 + min-height:0 para el scroll.
   En su lugar usamos altura EXPLÍCITA en el área de mensajes.
   ═══════════════════════════════════════════════════════ */

.ai-agent-chat {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  flex-direction: column;
  width: 100%;
  background: var(--ai-bg);
  font-family: var(--ai-font);
  font-size: 14px;
  color: var(--ai-text);
  /* La altura total viene del style inline de PHP */
  overflow: hidden;
  position: relative;
}

/* Header — altura fija conocida (~62px) */
.ai-agent-header {
  background: var(--ai-primary);
  padding: 12px 14px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 10px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  height: 62px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.ai-agent-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  font-size: 18px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  line-height: 1;
}

.ai-agent-header-info {
  -webkit-flex: 1;
  flex: 1;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  min-width: 0;
}

.ai-agent-name {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-agent-status { color: rgba(255,255,255,0.75); font-size: 11px; }

.ai-agent-header-actions {
  display: -webkit-flex;
  display: flex;
  gap: 2px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}

.ai-agent-header-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  padding: 5px 6px;
  border-radius: 6px;
  line-height: 1;
  -webkit-transition: background 0.15s;
  transition: background 0.15s;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-appearance: none;
  appearance: none;
}
.ai-agent-header-btn:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* ── Área de mensajes ─────────────────────────────────── */
/*
  SAFARI FIX PRINCIPAL:
  En vez de flex:1 + min-height:0 (que Safari ignora),
  usamos height calculado explícitamente.
  Altura = chat_height - header(62) - input-area(58) - footer(28) - margen(4)
  Por defecto: 480 - 62 - 58 - 28 - 4 = 328px
  Overrideado por JS cuando se conoce la altura real.
*/

.ai-agent-messages-wrap {
  position: relative;
  /* Safari necesita altura explícita, no flex:1 */
  height: var(--ai-msg-h);
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  overflow: hidden;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}

.ai-agent-messages {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch; /* Safari iOS scroll suave */
  padding: 14px 12px 8px;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 10px;
  background: var(--ai-surface);
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/* Scrollbar */
.ai-agent-messages::-webkit-scrollbar { width: 5px; }
.ai-agent-messages::-webkit-scrollbar-track { background: transparent; }
.ai-agent-messages::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.16); border-radius: 3px; }
.ai-agent-messages { scrollbar-width: thin; scrollbar-color: rgba(0,0,0,0.16) transparent; }

/* ── Mensajes ─────────────────────────────────────────── */

.ai-agent-message {
  display: -webkit-flex;
  display: flex;
  opacity: 0;
  -webkit-transform: translateY(5px);
  transform: translateY(5px);
  -webkit-transition: opacity 0.18s, -webkit-transform 0.18s;
  transition: opacity 0.18s, transform 0.18s;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}
.ai-agent-message.ai-agent-visible {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.ai-agent-message.ai-agent-bot  { -webkit-justify-content: flex-start; justify-content: flex-start; }
.ai-agent-message.ai-agent-user { -webkit-justify-content: flex-end;   justify-content: flex-end; }

.ai-agent-bubble {
  max-width: 84%;
  padding: 9px 13px;
  border-radius: var(--ai-radius);
  line-height: 1.55;
  word-break: break-word;
  overflow-wrap: anywhere;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.ai-agent-bot .ai-agent-bubble {
  background: var(--ai-bot-bubble);
  color: var(--ai-text);
  border-top-left-radius: 4px;
  border: 1px solid var(--ai-border);
}
.ai-agent-user .ai-agent-bubble {
  background: var(--ai-primary);
  color: #fff;
  border-top-right-radius: 4px;
}
.ai-agent-bubble a { color: inherit; text-decoration: underline; }
.ai-agent-user .ai-agent-bubble a { color: rgba(255,255,255,0.9); }

.ai-agent-time {
  font-size: 10px;
  color: var(--ai-text-muted);
  margin-top: 3px;
  padding: 0 4px;
  opacity: 0.7;
}
.ai-agent-bot  .ai-agent-time { text-align: left; }
.ai-agent-user .ai-agent-time { text-align: right; }

/* ── Typing indicator ─────────────────────────────────── */

.ai-agent-typing {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 5px;
  padding: 10px 13px;
}
.ai-agent-typing span {
  display: block; width: 7px; height: 7px;
  background: var(--ai-primary); border-radius: 50%;
  -webkit-animation: aiTyping 1.2s infinite;
  animation: aiTyping 1.2s infinite;
  opacity: 0.4;
}
.ai-agent-typing span:nth-child(2) { -webkit-animation-delay: 0.2s; animation-delay: 0.2s; }
.ai-agent-typing span:nth-child(3) { -webkit-animation-delay: 0.4s; animation-delay: 0.4s; }
@-webkit-keyframes aiTyping {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); opacity: 0.4; }
  50%       { -webkit-transform: translateY(-4px); transform: translateY(-4px); opacity: 1; }
}
@keyframes aiTyping {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50%       { transform: translateY(-4px); opacity: 1; }
}

/* ── Input área — altura fija (~58px) ─────────────────── */

.ai-agent-input-area {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: flex-end;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 10px;
  background: var(--ai-bg);
  border-top: 1px solid var(--ai-border);
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  height: 58px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.ai-agent-input {
  -webkit-flex: 1;
  flex: 1;
  min-width: 0;
  border: 1.5px solid var(--ai-border);
  border-radius: 20px;
  padding: 8px 13px;
  font-size: 14px;
  font-family: var(--ai-font);
  resize: none;
  outline: none;
  background: var(--ai-surface);
  color: var(--ai-text);
  -webkit-transition: border-color 0.15s;
  transition: border-color 0.15s;
  line-height: 1.4;
  max-height: 90px;
  overflow-y: auto;
  -webkit-appearance: none;
  appearance: none;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.ai-agent-input:focus        { border-color: var(--ai-primary); background: #fff; }
.ai-agent-input::placeholder { color: var(--ai-text-muted); }
.ai-agent-input:disabled     { opacity: 0.6; }

.ai-agent-send-btn {
  width: 38px; height: 38px;
  border-radius: 50%; border: none;
  background: var(--ai-primary); color: #fff;
  cursor: pointer;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  -webkit-transition: background 0.15s, -webkit-transform 0.1s;
  transition: background 0.15s, transform 0.1s;
  -webkit-appearance: none;
  appearance: none;
}
.ai-agent-send-btn:hover    { background: var(--ai-primary-dark); -webkit-transform: scale(1.05); transform: scale(1.05); }
.ai-agent-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Footer — altura fija (~28px) ─────────────────────── */

.ai-agent-footer {
  text-align: center;
  font-size: 11px;
  color: var(--ai-text-muted);
  padding: 5px 8px;
  background: var(--ai-bg);
  border-top: 1px solid var(--ai-border);
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  height: 28px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 18px;
}
.ai-agent-footer a { color: var(--ai-text-muted); text-decoration: none; }
.ai-agent-footer a:hover { text-decoration: underline; }

/* ── Responsive móvil ─────────────────────────────────── */

@media (max-width: 480px) {
  .ai-agent-float.bottom-right { right: 12px; bottom: 12px; }
  .ai-agent-float.bottom-left  { left:  12px; bottom: 12px; }
  .ai-agent-panel { width: calc(100vw - 24px); }
  /* En móvil reducimos un poco la altura total */
  :root { --ai-chat-h: 420px; --ai-msg-h: 288px; }
}

/* ── Dark mode ────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
  :root {
    --ai-bg:         #1e1e2e;
    --ai-surface:    #26263a;
    --ai-bot-bubble: #2e2e42;
    --ai-text:       #e8e8f0;
    --ai-text-muted: #777;
    --ai-border:     rgba(255,255,255,0.07);
  }
  .ai-agent-input:focus { background: #2a2a3e; }
}

/* ── Tarjetas de productos WooCommerce ─────────────────── */

.ai-woo-wrap {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 4px 0;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
}

.ai-woo-card {
  background: var(--ai-bg);
  border: 1px solid var(--ai-border);
  border-radius: 12px;
  overflow: hidden;
  -webkit-box-shadow: 0 2px 8px rgba(0,0,0,.06);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  font-size: 13px;
}

.ai-cart-bubble {
  background: var(--ai-bg) !important;
  border: 1px solid var(--ai-border) !important;
  padding: 14px !important;
}

/* ── Botones de acción ──────────────────────────────────── */

.ai-action-btns {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-btn {
  display: -webkit-inline-flex;
  display: inline-flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--ai-font);
  text-decoration: none !important;
  cursor: pointer;
  border: none;
  -webkit-transition: all .15s;
  transition: all .15s;
  -webkit-flex: 1;
  flex: 1;
  min-width: 100px;
  text-align: center;
  line-height: 1.3;
}

.ai-btn:hover { opacity: .88; -webkit-transform: translateY(-1px); transform: translateY(-1px); }

/* Primario — color del tema */
.ai-btn-primary {
  background: var(--ai-primary);
  color: #fff !important;
}

/* Outline */
.ai-btn-outline {
  background: transparent;
  color: var(--ai-primary) !important;
  border: 1.5px solid var(--ai-primary);
}

/* WhatsApp — verde con icono */
.ai-btn-whatsapp {
  background: #25D366;
  color: #fff !important;
  -webkit-box-shadow: 0 3px 10px rgba(37,211,102,.35);
  box-shadow: 0 3px 10px rgba(37,211,102,.35);
}

.ai-btn-whatsapp:hover {
  background: #20ba5a;
  opacity: 1;
}

/* Ancho completo */
.ai-btn-full {
  -webkit-flex: 0 0 100%;
  flex: 0 0 100%;
  width: 100%;
}

/* ── Botones de variación ───────────────────────────────── */

.ai-var-btn {
  background: transparent;
  border: 1.5px solid var(--ai-border);
  border-radius: 7px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ai-text);
  cursor: pointer;
  font-family: var(--ai-font);
  text-align: center;
  line-height: 1.4;
  -webkit-transition: all .15s;
  transition: all .15s;
}

.ai-var-btn:hover {
  border-color: var(--ai-primary);
  color: var(--ai-primary);
  background: rgba(108,99,255,.06);
}

/* ── Sistema de modos ──────────────────────────────────── */
.ai-mode-btn:focus { outline: 2px solid var(--ai-primary); outline-offset: 2px; }
.ai-mode-menu { animation: ai-fade-in .2s ease; }
@keyframes ai-fade-in { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }

/* Animaciones */
@keyframes ai-spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}