/* ===== EMILY ASTRONAUT CHAT SYSTEM ===== */

/* Emily container - fixed floating position */
.emily-container {
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: 120px;
  height: 160px;
  z-index: 50;
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.emily-container.hidden {
  opacity: 0;
  transform: scale(0.5) translateY(50px);
  pointer-events: none;
}

.emily-container.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.emily-svg-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  animation: emilyFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.emily-svg-wrapper svg {
  width: 100%;
  height: 100%;
}

/* ===== CORE FLOATING ANIMATION ===== */
@keyframes emilyFloat {
  0%, 100% {
    transform: translateY(0) rotate(-1deg);
  }
  25% {
    transform: translateY(-10px) rotate(0.5deg);
  }
  50% {
    transform: translateY(-5px) rotate(1deg);
  }
  75% {
    transform: translateY(-12px) rotate(-0.5deg);
  }
}

/* ===== THINKING STATE (when waiting for API) ===== */
.emily-container.emily-thinking .emily-svg-wrapper {
  animation: emilyThink 2s ease-in-out infinite;
}

@keyframes emilyThink {
  0%, 100% {
    transform: translateY(-5px) rotate(-3deg);
  }
  30% {
    transform: translateY(-10px) rotate(2deg);
  }
  60% {
    transform: translateY(-8px) rotate(-2deg);
  }
}

/* ===== TALKING STATE (when message appears) ===== */
.emily-container.emily-talking .emily-svg-wrapper {
  animation: emilyTalk 0.6s ease-in-out 3;
}

@keyframes emilyTalk {
  0%, 100% {
    transform: translateY(-5px) rotate(0deg) scale(1);
  }
  25% {
    transform: translateY(-8px) rotate(-2deg) scale(1.03);
  }
  50% {
    transform: translateY(-3px) rotate(1deg) scale(0.98);
  }
  75% {
    transform: translateY(-10px) rotate(-1deg) scale(1.02);
  }
}

/* ===== CELEBRATE STATE (after delivering answer) ===== */
.emily-container.emily-celebrate .emily-svg-wrapper {
  animation: emilyCelebrate 0.8s ease-in-out 2;
}

@keyframes emilyCelebrate {
  0% {
    transform: translateY(-5px) rotate(0deg) scale(1);
  }
  20% {
    transform: translateY(-20px) rotate(-5deg) scale(1.1);
  }
  40% {
    transform: translateY(-8px) rotate(3deg) scale(1);
  }
  60% {
    transform: translateY(-15px) rotate(-3deg) scale(1.05);
  }
  80% {
    transform: translateY(-5px) rotate(1deg) scale(1);
  }
  100% {
    transform: translateY(-5px) rotate(0deg) scale(1);
  }
}

/* ===== WAVE STATE (greeting) ===== */
.emily-container.emily-wave .emily-svg-wrapper {
  animation: emilyWave 1.2s ease-in-out 2;
}

@keyframes emilyWave {
  0%, 100% {
    transform: translateY(-5px) rotate(0deg);
  }
  15% {
    transform: translateY(-10px) rotate(8deg);
  }
  30% {
    transform: translateY(-5px) rotate(-3deg);
  }
  45% {
    transform: translateY(-10px) rotate(6deg);
  }
  60% {
    transform: translateY(-5px) rotate(-2deg);
  }
}

/* ===== SVG INTERNAL ANIMATIONS ===== */


/* Star twinkle */
.star-1 { animation: twinkle 2s ease-in-out infinite; }
.star-2 { animation: twinkle 2.5s ease-in-out infinite 0.5s; }
.star-3 { animation: twinkle 3s ease-in-out infinite 1s; }
.star-4 { animation: twinkle 2.2s ease-in-out infinite 0.8s; }
.star-5 { animation: twinkle 2.8s ease-in-out infinite 1.5s; }
.star-6 { animation: twinkle 3.2s ease-in-out infinite 0.3s; }

@keyframes twinkle {
  0%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

/* Particles orbit */
.particle {
  animation: particleDrift 6s ease-in-out infinite;
}

.p1 { animation-delay: 0s; animation-duration: 5s; }
.p2 { animation-delay: 1s; animation-duration: 7s; }
.p3 { animation-delay: 2s; animation-duration: 6s; }
.p4 { animation-delay: 0.5s; animation-duration: 8s; }

@keyframes particleDrift {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0.3;
  }
  25% {
    transform: translate(5px, -8px);
    opacity: 0.7;
  }
  50% {
    transform: translate(-3px, -12px);
    opacity: 0.4;
  }
  75% {
    transform: translate(8px, -5px);
    opacity: 0.6;
  }
}

/* Helmet glint sweep */
.emily-svg-wrapper svg path[opacity="0.6"] {
  animation: glintSweep 4s ease-in-out infinite;
}

@keyframes glintSweep {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.7; }
}

/* ===== SPEECH BUBBLE FROM EMILY ===== */
.emily-speech-bubble {
  position: fixed;
  bottom: 270px;
  right: 140px;
  max-width: 280px;
  background: white;
  border: 2px solid var(--accent, #7EC8A0);
  border-radius: 18px 18px 18px 4px;
  padding: 12px 16px;
  font-family: var(--font, 'Nunito', sans-serif);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text, #3D3D3D);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  z-index: 49;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.8) translateY(10px);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.emily-speech-bubble.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.emily-speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: 20px;
  width: 0;
  height: 0;
  border-left: 10px solid white;
  border-right: 10px solid transparent;
  border-top: 10px solid white;
  border-bottom: 10px solid transparent;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.05));
}

.emily-speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -11px;
  right: 18px;
  width: 0;
  height: 0;
  border-left: 12px solid var(--accent, #7EC8A0);
  border-right: 12px solid transparent;
  border-top: 12px solid var(--accent, #7EC8A0);
  border-bottom: 12px solid transparent;
  z-index: -1;
}

/* Bubble typing dots */
.emily-speech-bubble .bubble-dots {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.emily-speech-bubble .bubble-dot {
  width: 6px;
  height: 6px;
  background: var(--accent, #7EC8A0);
  border-radius: 50%;
  animation: bubbleBounce 1.4s ease-in-out infinite;
}

.emily-speech-bubble .bubble-dot:nth-child(2) { animation-delay: 0.2s; }
.emily-speech-bubble .bubble-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bubbleBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* ===== EMILY AVATAR IN MESSAGES ===== */
.emily-msg-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E8F5FF, #D4ECFF);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(44,165,141,0.3);
  animation: avatarPulse 3s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.emily-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.emily-msg-avatar::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
  animation: avatarShine 3s ease-in-out infinite;
}

@keyframes avatarPulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(44,165,141,0.3); }
  50% { box-shadow: 0 2px 16px rgba(44,165,141,0.5); }
}

@keyframes avatarShine {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* Message with Emily avatar */
.message.assistant .msg-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* ===== CHAT STARS BACKGROUND (subtle) ===== */
.chat-stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.chat-star {
  position: absolute;
  width: 3px;
  height: 3px;
  background: #FFD700;
  border-radius: 50%;
  animation: chatStarDrift 8s linear infinite;
  opacity: 0;
}

@keyframes chatStarDrift {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-20px) scale(1);
    opacity: 0;
  }
}

/* ===== SPARKLE BURST (on message receive) ===== */
.sparkle-burst {
  position: fixed;
  pointer-events: none;
  z-index: 60;
}

.sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: sparkleFly 0.8s ease-out forwards;
}

@keyframes sparkleFly {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--sx), var(--sy)) scale(0);
    opacity: 0;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .emily-container {
    width: 80px;
    height: 110px;
    bottom: 90px;
    right: 10px;
  }

  .emily-speech-bubble {
    max-width: 200px;
    bottom: 210px;
    right: 100px;
    font-size: 0.8rem;
    padding: 10px 12px;
  }
}

@media (max-width: 400px) {
  .emily-container {
    width: 65px;
    height: 90px;
    bottom: 85px;
    right: 5px;
  }

  .emily-speech-bubble {
    max-width: 160px;
    bottom: 185px;
    right: 75px;
    font-size: 0.75rem;
  }
}