/* ═══════════════════════════════════════════════════════════════════
   CHATBOT — Premium Pro Max (glassmorphism, gradients, micro-anim)
   ═══════════════════════════════════════════════════════════════════ */
.cb-root {
  --cb-green1: #34D399;
  --cb-green2: #25D366;
  --cb-green3: #1A9E4C;
  --cb-bg: #0b1220;
  --cb-bg-2: #151c2e;
  --cb-card: rgba(255,255,255,0.05);
  --cb-border: rgba(255,255,255,0.1);
  --cb-text: #ffffff;
  --cb-muted: #94a3b8;
  --cb-radius: 20px;
  position: fixed; bottom: 22px; right: 22px; z-index: 9999;
  font-family: 'Montserrat', -apple-system, sans-serif;
}

/* ═════════ FLOATING BUBBLE ═════════ */
.cb-bubble {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 62px; height: 62px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cb-green1), var(--cb-green3));
  color: #0a1e10;
  border: none; cursor: pointer;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.3s cubic-bezier(.2,.9,.3,1.2);
}
.cb-bubble:hover { transform: scale(1.08) rotate(-4deg); box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55); }
.cb-bubble:active { transform: scale(0.96); }
.cb-bubble-icon { position: relative; display: flex; align-items: center; justify-content: center; }
.cb-bubble-icon .cb-ic-close { display: none; }
.cb-root[data-cb-open="true"] .cb-bubble-icon .cb-ic-chat { display: none; }
.cb-root[data-cb-open="true"] .cb-bubble-icon .cb-ic-close { display: inline; }
.cb-root[data-cb-open="true"] .cb-bubble { background: linear-gradient(135deg, #f87171, #dc2626); color: #fff; }
.cb-root[data-cb-open="true"] .cb-bubble-pulse { display: none; }
.cb-bubble-pulse {
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--cb-green1); opacity: 0.5;
  animation: cbPulse 2s infinite;
}
@keyframes cbPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.35); opacity: 0; }
}
.cb-bubble-badge {
  position: absolute; top: -4px; right: -4px; min-width: 22px; height: 22px;
  padding: 0 6px; border-radius: 11px;
  background: #ef4444; color: #fff;
  font-size: 11px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--cb-bg);
  animation: cbBounce 1s;
}
@keyframes cbBounce {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ═════════ CHAT WINDOW ═════════ */
.cb-window {
  position: absolute; bottom: 78px; right: 0;
  width: 380px; max-width: calc(100vw - 24px);
  max-height: 600px; height: 70vh;
  background: linear-gradient(180deg, var(--cb-bg-2) 0%, var(--cb-bg) 100%);
  border: 1px solid var(--cb-border); border-radius: var(--cb-radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03);
  display: none; flex-direction: column; overflow: hidden;
  backdrop-filter: blur(16px);
  transform-origin: bottom right;
}
.cb-root[data-cb-open="true"] .cb-window {
  display: flex;
  animation: cbOpen 0.35s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes cbOpen {
  from { opacity: 0; transform: scale(0.7) translateY(30px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ═════════ HEADER ═════════ */
.cb-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.15), rgba(26, 158, 76, 0.05));
  border-bottom: 1px solid var(--cb-border);
}
.cb-header-left { display: flex; align-items: center; gap: 12px; }
.cb-avatar {
  position: relative;
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cb-green1), var(--cb-green3));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cb-avatar-ring {
  position: absolute; inset: -2px; border-radius: 50%;
  border: 2px solid var(--cb-green1); opacity: 0.4;
  animation: cbPulse 2.5s infinite;
}
.cb-header-name { font-size: 14px; font-weight: 800; color: var(--cb-text); display: flex; align-items: center; gap: 8px; }
.cb-online { font-size: 10px; color: var(--cb-green1); font-weight: 700; display:inline-flex; align-items:center; gap:4px; }
.cb-online-dot { width:8px; height:8px; border-radius:50%; background: var(--cb-green1); display:inline-block; box-shadow:0 0 6px rgba(37,211,102,.55); }
.cb-header-sub { font-size: 11px; color: var(--cb-muted); margin-top: 2px; }
.cb-close {
  background: rgba(255,255,255,0.05); border: 1px solid var(--cb-border);
  color: var(--cb-muted); cursor: pointer;
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.cb-close:hover { background: rgba(255,255,255,0.1); color: var(--cb-text); }

/* ═════════ MESSAGES ═════════ */
.cb-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.cb-messages::-webkit-scrollbar { width: 4px; }
.cb-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
.cb-msg {
  max-width: 82%; padding: 10px 14px; border-radius: 14px;
  font-size: 13px; line-height: 1.5; word-wrap: break-word;
  animation: cbMsgIn 0.3s ease;
}
@keyframes cbMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cb-msg-bot {
  align-self: flex-start;
  background: var(--cb-card); border: 1px solid var(--cb-border);
  color: var(--cb-text);
  border-bottom-left-radius: 4px;
  white-space: pre-wrap;
}
.cb-msg-bot strong { color: var(--cb-green1); font-weight: 700; }
.cb-msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--cb-green2), var(--cb-green3));
  color: #0a1e10; font-weight: 600;
  border-bottom-right-radius: 4px;
}
.cb-msg-system {
  align-self: center; max-width: 95%;
  background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.3);
  color: #fbbf24;
  font-size: 12px; text-align: center;
}
.cb-typing {
  align-self: flex-start;
  padding: 12px 16px; border-radius: 14px;
  background: var(--cb-card); border: 1px solid var(--cb-border);
  display: flex; gap: 4px;
}
.cb-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cb-muted);
  animation: cbTyping 1.4s infinite;
}
.cb-typing span:nth-child(2) { animation-delay: 0.2s; }
.cb-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes cbTyping {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

/* ═════════ QUICK REPLIES ═════════ */
.cb-quick {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 12px 14px;
  border-top: 1px solid var(--cb-border);
  background: rgba(0,0,0,0.2);
}
.cb-quick:empty { display: none; }
.cb-chip {
  padding: 8px 14px; border-radius: 20px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--cb-border);
  color: var(--cb-text); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  animation: cbChipIn 0.3s ease backwards;
}
.cb-chip:nth-child(2) { animation-delay: 0.05s; }
.cb-chip:nth-child(3) { animation-delay: 0.1s; }
.cb-chip:nth-child(4) { animation-delay: 0.15s; }
.cb-chip:nth-child(5) { animation-delay: 0.2s; }
.cb-chip:nth-child(6) { animation-delay: 0.25s; }
@keyframes cbChipIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cb-chip:hover {
  background: linear-gradient(135deg, var(--cb-green1), var(--cb-green3));
  color: #0a1e10; border-color: transparent;
  transform: translateY(-1px);
}
.cb-chip-escalate {
  background: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}
.cb-chip-escalate:hover { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }

/* ═════════ ESCALATE FORM ═════════ */
.cb-escalate {
  padding: 16px; border-top: 1px solid var(--cb-border);
  background: rgba(0,0,0,0.3);
  display: flex; flex-direction: column; gap: 10px;
}
.cb-escalate-title {
  font-size: 12px; font-weight: 800; color: var(--cb-text);
  text-transform: uppercase; letter-spacing: 0.6px;
}
.cb-escalate input, .cb-escalate textarea {
  padding: 10px 12px; border-radius: 10px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--cb-border);
  color: var(--cb-text); font-size: 13px; font-family: inherit;
  transition: all 0.2s;
}
.cb-escalate input:focus, .cb-escalate textarea:focus {
  outline: none; border-color: var(--cb-green1);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.15);
}
.cb-escalate textarea { resize: vertical; min-height: 60px; }
.cb-escalate-actions { display: flex; gap: 8px; justify-content: flex-end; }
.cb-btn {
  padding: 9px 16px; border: none; border-radius: 8px;
  font-weight: 700; font-size: 12px; cursor: pointer;
  transition: all 0.2s;
}
.cb-btn-primary {
  background: linear-gradient(135deg, var(--cb-green1), var(--cb-green3));
  color: #0a1e10;
}
.cb-btn-primary:hover { transform: translateY(-1px); }
.cb-btn-ghost {
  background: rgba(255,255,255,0.05); border: 1px solid var(--cb-border);
  color: var(--cb-muted);
}

/* ═════════ FOOTER ═════════ */
.cb-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--cb-border);
  text-align: center;
  font-size: 10px; color: var(--cb-muted);
}
.cb-footer strong { color: var(--cb-green1); }

/* ═════════ MOBILE ═════════ */
@media (max-width: 480px) {
  /* bottom-nav is 64px tall — push bubble above it + 12px gap */
  .cb-root { bottom: 80px; right: 14px; }
  .cb-window {
    right: -8px; width: calc(100vw - 32px);
    bottom: 78px; height: calc(100vh - 180px); max-height: 75vh;
  }
  .cb-bubble { width: 52px; height: 52px; }
}