/* Pro AI Assistant — Premium Floating Chat Widget */
:root {
  --paa-primary: #4F46E5;
  --paa-secondary: #7C3AED;
  --paa-accent: #06B6D4;
  --paa-bg: #ffffff;
  --paa-text: #0f172a;
  --paa-muted: #64748b;
  --paa-radius: 20px;
  --paa-shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
  --paa-panel-width: 440px;
}

#paa-widget-root {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 2147483000;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
#paa-widget-root * {
  pointer-events: auto;
  box-sizing: border-box;
}

/* Launcher wrap: CTA bubble + button */
.paa-launcher-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-direction: row-reverse;
  order: 3;
}

.paa-launcher-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  background: #fff;
  color: var(--paa-text);
  border: none;
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: paaCtaIn 0.5s ease;
}
.paa-launcher-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.16);
}
.paa-launcher-wrap.paa-chat-open .paa-launcher-cta {
  opacity: 0;
  visibility: hidden;
  transform: translateX(12px);
  pointer-events: none;
}

@keyframes paaCtaIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.paa-launcher {
  position: relative;
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(135deg, var(--paa-primary), var(--paa-secondary));
  box-shadow: var(--paa-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s;
}
.paa-launcher:hover { transform: scale(1.08); }
.paa-launcher svg { width: 28px; height: 28px; fill: #fff; }
.paa-launcher.paa-open { transform: rotate(90deg) scale(0.95); }

.paa-launcher-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: #ef4444;
  border-radius: 50%;
  border: 2px solid #fff;
  display: none;
}
.paa-launcher-badge.visible { display: block; }

/* WhatsApp floating button */
.paa-whatsapp-fab {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: transform 0.2s;
  order: 2;
  flex-shrink: 0;
}
.paa-whatsapp-fab:hover { transform: scale(1.06); }
.paa-whatsapp-fab svg { width: 26px; height: 26px; fill: #fff; }

/* Chat panel — wider */
.paa-panel {
  position: relative;
  width: var(--paa-panel-width);
  max-width: calc(100vw - 48px);
  height: min(640px, calc(100vh - 110px));
  min-height: 480px;
  background: var(--paa-bg);
  border-radius: var(--paa-radius);
  box-shadow: var(--paa-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  display: none;
  order: 1;
}
.paa-panel.paa-visible {
  display: flex;
  animation: paaPanelIn 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
}
@keyframes paaPanelIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Header */
.paa-header {
  background: linear-gradient(135deg, var(--paa-primary) 0%, var(--paa-secondary) 60%, var(--paa-accent) 100%);
  color: #fff;
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.paa-header-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}
.paa-header-info {
  flex: 1;
  min-width: 0;
}
.paa-header-info h3 { margin: 0; font-size: 17px; font-weight: 600; line-height: 1.3; }
.paa-header-info p { margin: 4px 0 0; font-size: 13px; opacity: 0.9; line-height: 1.4; }

/* Messages */
.paa-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  scroll-behavior: smooth;
}
.paa-msg {
  max-width: 88%;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.55;
  animation: paaMsgIn 0.35s ease;
  word-wrap: break-word;
}
@keyframes paaMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.paa-msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--paa-primary), var(--paa-secondary));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.paa-msg-bot,
.paa-msg-admin {
  align-self: flex-start;
}
.paa-msg-bot {
  background: #fff;
  color: var(--paa-text);
  border: 1px solid #e2e8f0;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.paa-msg-admin {
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  color: var(--paa-text);
  border: 1px solid #86efac;
  border-bottom-left-radius: 4px;
}
.paa-msg-admin-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: #059669;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.paa-msg-sources {
  font-size: 11px;
  color: var(--paa-muted);
  margin-top: 6px;
}

/* Typing indicator */
.paa-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
}
.paa-typing span {
  width: 8px;
  height: 8px;
  background: var(--paa-muted);
  border-radius: 50%;
  animation: paaBounce 1.2s infinite;
}
.paa-typing span:nth-child(2) { animation-delay: 0.15s; }
.paa-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes paaBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* Lead form — full width fields */
.paa-lead-form {
  padding: 16px 20px;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  width: 100%;
  box-sizing: border-box;
}
.paa-lead-form p { margin: 0 0 12px; font-size: 14px; }
.paa-lead-form input {
  display: block;
  width: 100%;
  min-width: 0;
  margin-bottom: 10px;
  padding: 14px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 15px;
  box-sizing: border-box;
  background: #fff;
}
.paa-lead-form input:focus {
  outline: none;
  border-color: var(--paa-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
.paa-lead-form button {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--paa-primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}

/* Footer / input */
.paa-footer {
  padding: 14px 20px 18px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}
.paa-quick-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.paa-quick-btn {
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 99px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: var(--paa-text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.paa-quick-btn:hover {
  border-color: var(--paa-primary);
  color: var(--paa-primary);
}
.paa-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  width: 100%;
}
.paa-input {
  flex: 1;
  min-width: 0;
  width: 100%;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 15px;
  resize: none;
  max-height: 120px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.paa-input:focus {
  outline: none;
  border-color: var(--paa-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.paa-send {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--paa-primary), var(--paa-secondary));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.paa-send:hover { transform: scale(1.05); }
.paa-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* Mobile */
@media (max-width: 520px) {
  :root { --paa-panel-width: 100vw; }
  #paa-widget-root {
    right: 0;
    bottom: 0;
    left: 0;
  }
  .paa-panel {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    min-height: 100%;
    border-radius: 0;
  }
  .paa-launcher-cta { font-size: 14px; padding: 10px 14px; max-width: 200px; white-space: normal; text-align: left; }
  .paa-whatsapp-fab { bottom: 72px; }
}