/* Fuente del sistema: sin petición externa a Google Fonts
   (mejor rendimiento y sin transferencia de datos a terceros — RGPD).
   Si se quiere Manrope, auto-alojarla con @font-face y woff2 locales. */

:root {
  --wcb-font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --wcb-gold:       #D77701;
  --wcb-gold-light: #e8930a;
  --wcb-gold-dim:   #7a4400;
  --wcb-radius:     14px;
  --wcb-radius-sm:  10px;
}

#wcb-window {
  --wcb-bg:         #111111;
  --wcb-bg2:        #0d0d0d;
  --wcb-surface:    #161616;
  --wcb-border:     #1e1e1e;
  --wcb-border2:    #222222;
  --wcb-border3:    #282828;
  --wcb-border4:    #2a2a2a;
  --wcb-border5:    #2e2e2e;
  --wcb-text:       #f0ede8;
  --wcb-muted:      #888480;
  --wcb-dim:        #444240;
  --wcb-msg-bot-bg: #161616;
  --wcb-msg-usr-bg: #0f0f0f;
  --wcb-header-bg:  #000000;
  --wcb-input-bg:   #161616;
  --wcb-footer-c:   #252525;
  --wcb-strong:     #e8c880;
  --wcb-link:       #D77701;
  --wcb-av-bg:      #0a0a0a;
  --wcb-av-usr-bg:  #1a1a1a;
  --wcb-typing-bg:  #3a3a3a;
}

#wcb-window.wcb-light {
  --wcb-bg:         #ffffff;
  --wcb-bg2:        #f5f5f5;
  --wcb-surface:    #f0f0f0;
  --wcb-border:     #e0e0e0;
  --wcb-border2:    #d8d8d8;
  --wcb-border3:    #cccccc;
  --wcb-border4:    #c8c8c8;
  --wcb-border5:    #c0c0c0;
  --wcb-text:       #1a1a1a;
  --wcb-muted:      #666666;
  --wcb-dim:        #999999;
  --wcb-msg-bot-bg: #f0f0f0;
  --wcb-msg-usr-bg: #e8f4e8;
  --wcb-header-bg:  #fafafa;
  --wcb-input-bg:   #ffffff;
  --wcb-footer-c:   #bbbbbb;
  --wcb-strong:     #a05a00;
  --wcb-link:       #c06800;
  --wcb-av-bg:      #e8e8e8;
  --wcb-av-usr-bg:  #d8ecd8;
  --wcb-typing-bg:  #cccccc;
}

/* ── LAUNCHER ── */
#wcb-launcher {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #000;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.55);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  z-index: 9000;
  padding: 0;
  overflow: hidden;
}
#wcb-launcher.wcb-ready { display: flex; }
#wcb-launcher:hover { transform: scale(1.07); box-shadow: 0 6px 32px rgba(0,0,0,0.7); }
#wcb-launcher img { width: 38px; height: 38px; object-fit: contain; }

@media (max-width: 600px) {
  #wcb-launcher.wcb-open {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
  }
}

#wcb-badge { display: none; }

/* ── DESKTOP ── */
#wcb-window {
  position: fixed;
  bottom: 96px;
  left: 24px;
  width: 370px;
  max-width: calc(100vw - 40px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--wcb-bg);
  border: 1px solid var(--wcb-border);
  border-radius: var(--wcb-radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,0.8);
  z-index: 8999;
  font-family: var(--wcb-font);
  transform: translateY(10px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s cubic-bezier(.34,1.4,.64,1), opacity 0.2s, background 0.2s;
}
#wcb-window.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}

/* ── MÓVIL ──
   Cuando el chat está abierto, html+body quedan bloqueados en height:100%
   y el #wcb-window pasa a position:absolute llenando ese contenedor.
   Safari no puede mover un elemento absolute dentro de un body fijo.
   La clase .wcb-chat-open la añade/quita el JS en openChat/closeChat.
*/
@media (max-width: 600px) {

  html.wcb-chat-open,
  html.wcb-chat-open body {
    height: 100% !important;
    overflow: hidden !important;
    position: fixed !important;
    width: 100% !important;
  }

  #wcb-launcher { z-index: 9000; }

  #wcb-window {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    border: none;
    z-index: 999999;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(.4,0,.2,1), opacity 0.2s;
    opacity: 1;
  }

  html.wcb-chat-open #wcb-window {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100%;
  }

  #wcb-window.open {
    transform: translateY(0);
    opacity: 1;
  }

  #wcb-input { font-size: 16px !important; }
  .wcb-header { padding-top: max(14px, env(safe-area-inset-top)); }
  .wcb-input-area { padding-bottom: max(10px, env(safe-area-inset-bottom)); }
  .wcb-messages { overscroll-behavior: contain; }
}
/* ── COMPONENTES ── */
.wcb-header {
  background: var(--wcb-header-bg);
  border-bottom: 1px solid var(--wcb-border);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  transition: background 0.2s;
}
.wcb-logo-wrap {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--wcb-av-bg); border: 1px solid var(--wcb-border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
}
.wcb-logo-wrap img { width: 24px; height: 24px; object-fit: contain; }
.wcb-header-info { flex: 1; min-width: 0; }
.wcb-header-name { font-family: var(--wcb-font); font-size: 14.5px; font-weight: 600; color: var(--wcb-text); }
.wcb-header-sub { font-size: 10.5px; color: var(--wcb-gold-dim); display: flex; align-items: center; gap: 5px; margin-top: 2px; }
.wcb-dot { width: 6px; height: 6px; border-radius: 50%; background: #4caf70; flex-shrink: 0; animation: wcb-dot-blink 2.5s infinite; }
@keyframes wcb-dot-blink { 0%,100%{opacity:1} 50%{opacity:0.35} }
.wcb-header-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.wcb-header-btn { background: none; border: none; color: var(--wcb-dim); cursor: pointer; padding: 5px; border-radius: 6px; transition: color 0.15s, background 0.15s; line-height: 0; display: flex; align-items: center; justify-content: center; }
.wcb-header-btn:hover { color: var(--wcb-text); background: var(--wcb-surface); }

.wcb-messages {
  flex: 1; min-height: 0; overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 18px 14px 10px;
  display: flex; flex-direction: column; gap: 13px;
  scroll-behavior: smooth;
  background: var(--wcb-bg); transition: background 0.2s;
}
.wcb-messages::-webkit-scrollbar { width: 3px; }
.wcb-messages::-webkit-scrollbar-thumb { background: var(--wcb-border4); border-radius: 2px; }

.wcb-msg { display: flex; gap: 8px; flex-shrink: 0; animation: wcb-msg-pop 0.3s cubic-bezier(.34,1.3,.64,1); }
@keyframes wcb-msg-pop { from{opacity:0;transform:translateY(7px) scale(0.97)} to{opacity:1;transform:none} }
.wcb-msg.user { flex-direction: row-reverse; }
.wcb-msg-av { width: 27px; height: 27px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 11px; margin-top: 2px; }
.wcb-msg.bot .wcb-msg-av { background: var(--wcb-av-bg); border: 1px solid var(--wcb-border4); overflow: hidden; }
.wcb-msg.bot .wcb-msg-av img { width: 17px; height: 17px; object-fit: contain; }
.wcb-msg.user .wcb-msg-av { background: var(--wcb-av-usr-bg); border: 1px solid var(--wcb-border4); color: var(--wcb-muted); font-size: 13px; }
.wcb-bubble { max-width: 80%; padding: 10px 14px; border-radius: var(--wcb-radius-sm); font-size: 13px; line-height: 1.65; border: 1px solid transparent; word-break: break-word; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.wcb-msg.bot .wcb-bubble { background: var(--wcb-msg-bot-bg); border-color: var(--wcb-border2); color: var(--wcb-text); border-top-left-radius: 3px; }
.wcb-msg.user .wcb-bubble { background: var(--wcb-msg-usr-bg); border-color: var(--wcb-border4); color: var(--wcb-text); border-top-right-radius: 3px; }
.wcb-bubble a { color: var(--wcb-link) !important; text-decoration: none; border-bottom: 1px solid rgba(215,119,1,0.35); transition: border-color 0.15s; }
.wcb-bubble a:hover { border-color: var(--wcb-link); }
.wcb-bubble strong { color: var(--wcb-strong); font-weight: 600; }

.wcb-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 14px; flex-shrink: 0; overflow: visible; background: var(--wcb-bg); transition: background 0.2s; }
.wcb-chip { font-family: var(--wcb-font); font-size: 11.5px; font-weight: 500; padding: 5px 11px; border-radius: 20px; border: 1px solid var(--wcb-border5); background: transparent; color: var(--wcb-muted); cursor: pointer; transition: border-color 0.15s, color 0.15s, background 0.15s; white-space: nowrap; }
.wcb-chip:hover { border-color: var(--wcb-gold-dim); color: var(--wcb-gold-light); background: rgba(215,119,1,0.06); }

.wcb-typing { display:flex; gap:4px; padding:2px; }
.wcb-typing span { width:6px; height:6px; border-radius:50%; background: var(--wcb-typing-bg); animation:wcb-tdot 1.2s infinite; }
.wcb-typing span:nth-child(2){animation-delay:.18s}
.wcb-typing span:nth-child(3){animation-delay:.36s}
@keyframes wcb-tdot { 0%,80%,100%{transform:translateY(0)} 40%{transform:translateY(-5px);background:var(--wcb-gold-dim)} }

.wcb-input-area { border-top: 1px solid var(--wcb-border); padding: 10px 12px; display: flex; gap: 8px; align-items: flex-end; background: var(--wcb-bg2); flex-shrink: 0; transition: background 0.2s; }
#wcb-input { flex: 1; background: var(--wcb-input-bg); border: 1px solid var(--wcb-border3); border-radius: 9px; padding: 9px 13px; color: var(--wcb-text); font-family: var(--wcb-font); font-size: 13px; outline: none; resize: none; min-height: 38px; max-height: 90px; line-height: 1.5; transition: border-color 0.2s, background 0.2s, color 0.2s; }
#wcb-input::placeholder { color: var(--wcb-dim); }
#wcb-input:focus { border-color: var(--wcb-gold-dim); }
#wcb-send { width: 42px; height: 42px; background: var(--wcb-gold); border: none; border-radius: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: transform 0.15s, background 0.15s; flex-shrink: 0; }
#wcb-send:hover { background: var(--wcb-gold-light); transform: scale(1.05); }
#wcb-send:active { transform: scale(0.96); }
#wcb-send svg { width: 20px; height: 20px; fill: #ffffff; }
.wcb-footer { text-align: center; font-size: 10px; color: var(--wcb-footer-c); padding: 5px 0 7px; flex-shrink: 0; background: var(--wcb-bg2); transition: background 0.2s; }