/* =========================================================
   ASISTENTE AJVALENZ v1
   Chat inteligente sin API, sin costos y sin backend.
   Archivo: chat-ajvalenz.css
   ========================================================= */

:root {
  --aj-chat-bg: #0f172a;
  --aj-chat-card: rgba(15, 23, 42, 0.96);
  --aj-chat-border: rgba(16, 185, 129, 0.35);
  --aj-chat-green: #10b981;
  --aj-chat-cyan: #22d3ee;
  --aj-chat-text: #f1f5f9;
  --aj-chat-muted: #94a3b8;
}

#aj-chat-launcher {
  position: fixed;
  right: 24px;
  bottom: 96px;
  z-index: 9998;
  border: 1px solid var(--aj-chat-border);
  background: linear-gradient(135deg, var(--aj-chat-green), var(--aj-chat-cyan));
  color: #0f172a;
  width: 62px;
  height: 62px;
  border-radius: 999px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35), 0 0 28px rgba(34, 211, 238, 0.22);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: transform .2s ease, filter .2s ease;
}

#aj-chat-launcher:hover {
  transform: translateY(-3px) scale(1.03);
  filter: brightness(1.08);
}

#aj-chat-window {
  position: fixed;
  right: 24px;
  bottom: 170px;
  z-index: 9999;
  width: min(390px, calc(100vw - 32px));
  max-height: min(650px, calc(100vh - 210px));
  background: var(--aj-chat-card);
  color: var(--aj-chat-text);
  border: 1px solid var(--aj-chat-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(18px);
  display: none;
}

#aj-chat-window.aj-open {
  display: flex;
  flex-direction: column;
}

.aj-chat-header {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.22), rgba(34, 211, 238, 0.14));
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.aj-chat-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.aj-chat-logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: contain;
  background: rgba(2, 6, 23, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px;
}

.aj-chat-title strong {
  display: block;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.aj-chat-title span {
  display: block;
  font-size: 11px;
  color: #bae6fd;
  margin-top: 2px;
}

.aj-chat-close {
  border: 0;
  background: rgba(15, 23, 42, 0.6);
  color: #e2e8f0;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.aj-chat-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
  scroll-behavior: smooth;
}

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

.aj-chat-message.aj-bot { justify-content: flex-start; }
.aj-chat-message.aj-user { justify-content: flex-end; }

.aj-chat-bubble {
  max-width: 88%;
  padding: 11px 13px;
  border-radius: 18px;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-line;
}

.aj-bot .aj-chat-bubble {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e5e7eb;
  border-bottom-left-radius: 6px;
}

.aj-user .aj-chat-bubble {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(34, 211, 238, 0.85));
  color: #0f172a;
  font-weight: 700;
  border-bottom-right-radius: 6px;
}

.aj-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 14px;
}

.aj-quick-actions button {
  border: 1px solid rgba(34, 211, 238, 0.32);
  background: rgba(2, 6, 23, 0.45);
  color: #dffafe;
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  transition: .2s ease;
}

.aj-quick-actions button:hover {
  background: rgba(34, 211, 238, 0.15);
  transform: translateY(-1px);
}

.aj-chat-form {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(2, 6, 23, 0.55);
}

#aj-chat-input {
  flex: 1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 23, 42, 0.9);
  color: white;
  border-radius: 16px;
  padding: 12px 13px;
  font-size: 13px;
  outline: none;
}

#aj-chat-input:focus { border-color: rgba(34, 211, 238, 0.55); }

.aj-chat-send {
  border: 0;
  background: linear-gradient(135deg, var(--aj-chat-green), var(--aj-chat-cyan));
  color: #0f172a;
  font-weight: 900;
  border-radius: 16px;
  padding: 0 15px;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 12px;
}

.aj-chat-footer {
  padding: 0 16px 14px;
  font-size: 10px;
  color: var(--aj-chat-muted);
  text-align: center;
}

@media (max-width: 520px) {
  #aj-chat-window {
    right: 12px;
    bottom: 92px;
    width: calc(100vw - 24px);
    max-height: calc(100vh - 120px);
  }

  #aj-chat-launcher {
    right: 18px;
    bottom: 86px;
    width: 58px;
    height: 58px;
  }
}