/* ═══════════════════════════════════════════════════════════════
   ANNAI — Voice RAG Chat Widget
   Premium glassmorphic floating widget with 3D avatar trigger
   ═══════════════════════════════════════════════════════════════ */

/* ─── Google Font Import ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── Design Tokens ──────────────────────────────────────────── */
:root {
  --annai-primary: #7c3aed;
  --annai-primary-light: #a78bfa;
  --annai-primary-dark: #5b21b6;
  --annai-accent: #06b6d4;
  --annai-accent-glow: rgba(6, 182, 212, 0.3);
  --annai-glass-bg: rgba(15, 10, 30, 0.82);
  --annai-glass-border: rgba(255, 255, 255, 0.08);
  --annai-glass-surface: rgba(255, 255, 255, 0.04);
  --annai-text: #f1f5f9;
  --annai-text-muted: #94a3b8;
  --annai-user-bubble: linear-gradient(135deg, #7c3aed, #6d28d9);
  --annai-bot-bubble: rgba(255, 255, 255, 0.06);
  --annai-danger: #ef4444;
  --annai-success: #22c55e;
  --annai-radius: 16px;
  --annai-radius-sm: 10px;
  --annai-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(124, 58, 237, 0.15);
  --annai-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── 3D Avatar Container ────────────────────────────────────── */
#annai-avatar-container {
  position: fixed;
  bottom: 10px;
  right: 0px;
  width: 175px;
  height: 200px;
  z-index: 9998;
  cursor: pointer;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
  overflow: visible;
}

#annai-avatar-container:hover {
  transform: scale(1.05);
}

#annai-avatar-container.annai-sleeping {
  opacity: 0;
  pointer-events: none;
  transform: translateY(30px) scale(0.8);
}

#annai-avatar-container.annai-integrated {
  /* Sit on the upper-right outer edge of the chat panel.
     Panel: bottom 20px, height 540px → top edge at 560px from viewport bottom.
     Place avatar so her lower body overlaps the panel top edge. */
  top: auto;
  bottom: 410px;
  right: 20px;
  transform: none;
  z-index: 10001;
  pointer-events: none;
}

/* ─── Wake Arrow ─────────────────────────────────────────────── */
.annai-wake-arrow {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--annai-user-bubble);
  color: white;
  border: none;
  z-index: 9998;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.8) rotate(-90deg);
  transition: all var(--annai-transition);
}

.annai-wake-arrow.annai-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1) rotate(-90deg);
}

.annai-wake-arrow:hover {
  transform: translateY(-4px) scale(1.05) rotate(-90deg);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.6);
}

/* Three.js VRM canvas or fallback */
#annai-avatar-container canvas {
  width: 100%;
  height: 100%;
  outline: none;
}

/* Fallback avatar (used when Spline isn't available) */
.annai-avatar-fallback {
  width: 100px;
  height: 100px;
  margin: 50px auto 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.4), 0 0 0 3px rgba(124, 58, 237, 0.15);
  animation: annai-float 3s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.annai-avatar-fallback::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #7c3aed, #06b6d4, #a78bfa, #7c3aed);
  z-index: -1;
  animation: annai-ring-spin 4s linear infinite;
}

.annai-avatar-fallback::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a0a3e, #0f172a);
}

.annai-avatar-fallback svg {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 2px 8px rgba(167, 139, 250, 0.5));
}

/* Idle floating animation */
@keyframes annai-float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes annai-ring-spin {
  to { transform: rotate(360deg); }
}

/* ─── Tooltip ────────────────────────────────────────────────── */
#annai-tooltip {
  position: fixed;
  bottom: 200px;
  right: 70px;
  background: var(--annai-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--annai-glass-border);
  color: var(--annai-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--annai-radius-sm);
  z-index: 9999;
  max-width: 200px;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(8px) scale(0.95);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

#annai-tooltip.annai-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

#annai-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: 40px;
  width: 12px;
  height: 12px;
  background: var(--annai-glass-bg);
  border-right: 1px solid var(--annai-glass-border);
  border-bottom: 1px solid var(--annai-glass-border);
  transform: rotate(45deg);
}

/* ─── Chat Panel ─────────────────────────────────────────────── */
#annai-chat-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 350px;
  height: 500px;
  background: var(--annai-glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--annai-glass-border);
  border-radius: var(--annai-radius);
  box-shadow: var(--annai-shadow);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Inter', sans-serif;

  /* Hidden by default */
  opacity: 0;
  transform: translateY(24px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ─── Chat Header ────────────────────────────────────────────── */
.annai-header {
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--annai-glass-border);
  background: rgba(255, 255, 255, 0.02);
  flex-shrink: 0;
}

.annai-header-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--annai-primary), var(--annai-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  flex-shrink: 0;
  position: relative;
}

.annai-header-avatar::after {
  content: '';
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 10px;
  height: 10px;
  background: var(--annai-success);
  border-radius: 50%;
  border: 2px solid rgba(15, 10, 30, 0.9);
}

.annai-header-avatar svg {
  width: 20px;
  height: 20px;
}

.annai-header-info {
  flex: 1;
}

.annai-header-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--annai-text);
  letter-spacing: 0.3px;
}

.annai-header-status {
  font-size: 0.7rem;
  color: var(--annai-success);
  font-weight: 500;
  margin-top: 1px;
}

.annai-close-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--annai-glass-surface);
  border-radius: 8px;
  color: var(--annai-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--annai-transition);
  flex-shrink: 0;
}

.annai-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--annai-text);
}

/* ─── Messages Area ──────────────────────────────────────────── */
.annai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}

/* Custom scrollbar */
.annai-messages::-webkit-scrollbar {
  width: 4px;
}
.annai-messages::-webkit-scrollbar-track {
  background: transparent;
}
.annai-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* ─── Message Bubbles ────────────────────────────────────────── */
.annai-msg {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: annai-msg-in 0.3s ease-out;
}

@keyframes annai-msg-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.annai-msg--user {
  align-self: flex-end;
}

.annai-msg--bot {
  align-self: flex-start;
}

.annai-msg__bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--annai-text);
  word-break: break-word;
}

.annai-msg--user .annai-msg__bubble {
  background: var(--annai-user-bubble);
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.25);
}

.annai-msg--bot .annai-msg__bubble {
  background: var(--annai-bot-bubble);
  border: 1px solid var(--annai-glass-border);
  border-bottom-left-radius: 4px;
}

/* ─── Source Chips ────────────────────────────────────────────── */
.annai-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.annai-source-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--annai-primary-light);
  text-decoration: none;
  transition: all var(--annai-transition);
}

.annai-source-chip:hover {
  background: rgba(124, 58, 237, 0.3);
  color: #fff;
  transform: translateY(-1px);
}

.annai-source-chip svg {
  width: 12px;
  height: 12px;
}

/* ─── Typing Indicator ───────────────────────────────────────── */
.annai-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 14px 18px;
  background: var(--annai-bot-bubble);
  border: 1px solid var(--annai-glass-border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  max-width: 80px;
}

.annai-typing__dot {
  width: 7px;
  height: 7px;
  background: var(--annai-text-muted);
  border-radius: 50%;
  animation: annai-bounce 1.4s infinite ease-in-out;
}

.annai-typing__dot:nth-child(2) { animation-delay: 0.16s; }
.annai-typing__dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes annai-bounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ─── Input Area ─────────────────────────────────────────────── */
.annai-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-top: 1px solid var(--annai-glass-border);
  background: rgba(255, 255, 255, 0.02);
  flex-shrink: 0;
}

.annai-input {
  flex: 1;
  background: var(--annai-glass-surface);
  border: 1px solid var(--annai-glass-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  color: var(--annai-text);
  outline: none;
  transition: border-color var(--annai-transition);
}

.annai-input::placeholder {
  color: var(--annai-text-muted);
}

.annai-input:focus {
  border-color: var(--annai-primary);
}

/* Action buttons (send, mic, speaker) */
.annai-btn {
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--annai-transition);
  flex-shrink: 0;
}

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

.annai-send-btn {
  background: linear-gradient(135deg, var(--annai-primary), var(--annai-primary-dark));
  color: white;
}

.annai-send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.annai-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.annai-mic-btn {
  background: var(--annai-glass-surface);
  border: 1px solid var(--annai-glass-border);
  color: var(--annai-text-muted);
}

.annai-mic-btn:hover {
  color: var(--annai-text);
  background: rgba(255, 255, 255, 0.08);
}

.annai-mic-btn.annai-recording {
  color: var(--annai-danger);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  animation: annai-mic-pulse 1.5s ease-in-out infinite;
}

@keyframes annai-mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

.annai-speaker-btn {
  background: var(--annai-glass-surface);
  border: 1px solid var(--annai-glass-border);
  color: var(--annai-text-muted);
}

.annai-speaker-btn:hover {
  color: var(--annai-text);
  background: rgba(255, 255, 255, 0.08);
}

.annai-speaker-btn.annai-speaking {
  color: var(--annai-accent);
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.3);
}

/* ─── Welcome Message ────────────────────────────────────────── */
.annai-welcome {
  text-align: center;
  padding: 30px 20px;
  color: var(--annai-text-muted);
}

.annai-welcome__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--annai-primary), var(--annai-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.annai-welcome__icon svg {
  width: 26px;
  height: 26px;
}

.annai-welcome h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--annai-text);
  margin: 0 0 6px;
}

.annai-welcome p {
  font-size: 0.78rem;
  line-height: 1.5;
  margin: 0;
}

/* ─── Error State ────────────────────────────────────────────── */
.annai-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.78rem;
  color: #fca5a5;
  align-self: center;
  max-width: 90%;
  text-align: center;
}

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

/* Tablets and small laptops */
@media (max-width: 768px) {
  #annai-chat-panel {
    width: 360px;
    height: 480px;
    bottom: 16px;
    right: 16px;
  }

  #annai-avatar-container {
    width: 120px;
    height: 170px;
    bottom: 16px;
    right: 16px;
  }

  #annai-tooltip {
    bottom: 185px;
    right: 16px;
    max-width: 200px;
    font-size: 0.78rem;
  }
}

/* Phones */
@media (max-width: 480px) {
  #annai-chat-panel {
    width: calc(100vw - 32px);
    height: 60vh;
    max-height: 500px;
    bottom: 16px;
    right: 16px;
    border-radius: var(--annai-radius);
    border: 1px solid var(--annai-glass-border);
  }

  #annai-chat-panel.annai-open {
    right: 16px;
  }

  #annai-avatar-container {
    bottom: 12px;
    right: 12px;
    width: 100px;
    height: 140px;
  }

  #annai-tooltip {
    bottom: 160px;
    right: 110px;
    max-width: 170px;
    font-size: 0.72rem;
    padding: 8px 12px;
  }

  .annai-header {
    padding: 12px 14px;
  }

  .annai-header-name {
    font-size: 0.95rem;
  }

  .annai-welcome h3 {
    font-size: 1rem;
  }

  .annai-welcome p {
    font-size: 0.78rem;
  }

  .annai-messages {
    padding: 12px;
  }

  .annai-message {
    max-width: 90%;
    font-size: 0.82rem;
    padding: 10px 13px;
  }

  .annai-input-area {
    padding: 10px 12px;
    gap: 6px;
  }

  .annai-input {
    font-size: 0.85rem;
    padding: 10px 14px;
  }

  .annai-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }
}

/* Very small phones (iPhone SE, etc.) */
@media (max-width: 360px) {
  #annai-chat-panel {
    width: calc(100vw - 20px);
    bottom: 10px;
    right: 10px;
    height: 55vh;
  }

  #annai-avatar-container {
    width: 90px;
    height: 130px;
    bottom: 10px;
    right: 10px;
  }

  #annai-tooltip {
    bottom: 145px;
    right: 10px;
    max-width: 150px;
    font-size: 0.7rem;
  }

  .annai-header-name {
    font-size: 0.88rem;
  }
}

/* ─── Reduced Motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}