/* ═══════════════════════════════════════════════════════════════
   AAMedTech AI Chat Widget — Premium Glassmorphism Design
   ═══════════════════════════════════════════════════════════════ */

:root {
  --aa-primary: #0066FF;
  --aa-primary-dark: #0052CC;
  --aa-primary-light: #4D94FF;
  --aa-accent: #00D4AA;
  --aa-bg-dark: #0A0E1A;
  --aa-bg-card: #111827;
  --aa-bg-glass: rgba(17, 24, 39, 0.85);
  --aa-border: rgba(255, 255, 255, 0.08);
  --aa-border-hover: rgba(255, 255, 255, 0.15);
  --aa-text: #F1F5F9;
  --aa-text-muted: #94A3B8;
  --aa-text-dim: #64748B;
  --aa-success: #10B981;
  --aa-warning: #F59E0B;
  --aa-radius: 16px;
  --aa-radius-sm: 10px;
  --aa-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.05);
  --aa-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --aa-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── Reset ─────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--aa-font);
}

/* ─── Toggle Button ─────────────────────────────────────────── */

.chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-primary-dark));
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.4);
  transition: all var(--aa-transition);
  z-index: 10000;
  overflow: visible;
}

.chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.5);
}

.chat-toggle svg {
  width: 26px;
  height: 26px;
  transition: all var(--aa-transition);
}

.chat-toggle .close-icon {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.chat-toggle.active .chat-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.chat-toggle.active .close-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.pulse-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--aa-primary);
  animation: pulseRing 2s ease-out infinite;
}

.chat-toggle.active .pulse-ring {
  display: none;
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ─── Chat Panel ────────────────────────────────────────────── */

.chat-panel {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 420px;
  max-width: calc(100vw - 32px);
  height: 620px;
  max-height: calc(100vh - 120px);
  background: var(--aa-bg-dark);
  border-radius: var(--aa-radius);
  box-shadow: var(--aa-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all var(--aa-transition);
  border: 1px solid var(--aa-border);
}

.chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* ─── Header ────────────────────────────────────────────────── */

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--aa-bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--aa-border);
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-avatar svg {
  width: 22px;
  height: 22px;
  color: white;
}

.chat-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--aa-text);
  letter-spacing: -0.01em;
}

.chat-subtitle {
  font-size: 12px;
  color: var(--aa-accent);
  font-weight: 500;
}

.lang-btn {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--aa-border);
  background: transparent;
  color: var(--aa-text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--aa-transition);
  font-family: var(--aa-font);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--aa-border-hover);
  color: var(--aa-text);
}

/* ─── Messages ──────────────────────────────────────────────── */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
  width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--aa-border);
  border-radius: 2px;
}

.message {
  display: flex;
  gap: 10px;
  max-width: 90%;
  animation: messageIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message.assistant {
  align-self: flex-start;
}

.msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.message.assistant .msg-avatar {
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-accent));
}

.message.user .msg-avatar {
  background: rgba(255, 255, 255, 0.08);
}

.msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--aa-text);
  word-wrap: break-word;
}

.message.assistant .msg-bubble {
  background: var(--aa-bg-card);
  border: 1px solid var(--aa-border);
  border-bottom-left-radius: 4px;
}

.message.user .msg-bubble {
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-primary-dark));
  border-bottom-right-radius: 4px;
}

.msg-bubble p {
  margin-bottom: 8px;
}

.msg-bubble p:last-child {
  margin-bottom: 0;
}

.msg-bubble strong {
  color: var(--aa-accent);
  font-weight: 600;
}

.msg-bubble ul, .msg-bubble ol {
  padding-left: 18px;
  margin: 6px 0;
}

.msg-bubble li {
  margin-bottom: 4px;
}

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

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 5px;
  padding: 14px 18px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aa-text-muted);
  animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ─── Lead Capture Form ─────────────────────────────────────── */

.lead-form {
  padding: 16px 20px;
  border-top: 1px solid var(--aa-border);
  background: rgba(0, 102, 255, 0.05);
  animation: slideUp 0.3s ease;
}

.lead-form.hidden {
  display: none;
}

.lead-form-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--aa-primary-light);
  margin-bottom: 12px;
}

.lead-form form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lead-form input[type="email"] {
  grid-column: 1 / -1;
}

.lead-form input {
  padding: 10px 12px;
  border-radius: var(--aa-radius-sm);
  border: 1px solid var(--aa-border);
  background: var(--aa-bg-card);
  color: var(--aa-text);
  font-size: 13px;
  font-family: var(--aa-font);
  transition: border-color var(--aa-transition);
  outline: none;
}

.lead-form input:focus {
  border-color: var(--aa-primary);
}

.lead-form input::placeholder {
  color: var(--aa-text-dim);
}

.lead-submit-btn {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border-radius: var(--aa-radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-primary-dark));
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--aa-transition);
  font-family: var(--aa-font);
}

.lead-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

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

/* ─── Input Area ────────────────────────────────────────────── */

.chat-input-area {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--aa-border);
  background: var(--aa-bg-glass);
  backdrop-filter: blur(20px);
}

.quick-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.quick-btn {
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--aa-border);
  background: transparent;
  color: var(--aa-text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--aa-transition);
  font-family: var(--aa-font);
  white-space: nowrap;
}

.quick-btn:hover {
  background: rgba(0, 102, 255, 0.1);
  border-color: var(--aa-primary);
  color: var(--aa-primary-light);
}

.chat-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--aa-bg-card);
  border: 1px solid var(--aa-border);
  border-radius: var(--aa-radius-sm);
  padding: 4px 4px 4px 14px;
  transition: border-color var(--aa-transition);
}

.chat-input-wrapper:focus-within {
  border-color: var(--aa-primary);
}

#chat-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--aa-text);
  font-size: 14px;
  font-family: var(--aa-font);
  resize: none;
  outline: none;
  max-height: 100px;
  line-height: 1.5;
  padding: 8px 0;
}

#chat-input::placeholder {
  color: var(--aa-text-dim);
}

.send-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--aa-primary), var(--aa-primary-dark));
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--aa-transition);
  opacity: 0.5;
}

.send-btn:not(:disabled) {
  opacity: 1;
}

.send-btn:not(:disabled):hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.send-btn svg {
  width: 18px;
  height: 18px;
}

.chat-disclaimer {
  text-align: center;
  font-size: 11px;
  color: var(--aa-text-dim);
  margin-top: 8px;
}

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

@media (max-width: 480px) {
  .chat-panel {
    bottom: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }

  .chat-toggle {
    bottom: 16px;
    right: 16px;
  }
}