/* ============================================
   NOVA Animations
   Keyframes extracted from wireframes + prototype
   ============================================ */

/* ── Message Animations ── */
@keyframes msgSlideInNova {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes msgSlideInUser {
  from { opacity: 0; transform: translateY(-10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Fade Transitions ── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ── Orb Animations ── */
@keyframes orbFadeIn {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes miniOrbBreath {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes miniOrbitRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes cosmicRipple {
  0% { transform: scale(0.5); opacity: 0.8; border-width: 3px; }
  100% { transform: scale(3); opacity: 0; border-width: 1px; }
}

/* ── Particle Animations ── */
@keyframes particleWander {
  0% { transform: translate(0, 0); }
  25% { transform: translate(var(--dx), var(--dy)); }
  50% { transform: translate(calc(var(--dx) * -0.5), calc(var(--dy) * 0.7)); }
  75% { transform: translate(calc(var(--dx) * 0.3), calc(var(--dy) * -0.5)); }
  100% { transform: translate(0, 0); }
}

@keyframes particleOrbit {
  from { transform: rotate(0deg) translateX(var(--orbit-r)) rotate(0deg); }
  to { transform: rotate(360deg) translateX(var(--orbit-r)) rotate(-360deg); }
}

@keyframes particlePulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

@keyframes particleAlive {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(var(--alive-dur, 360deg)); }
}

/* ── Background Animations ── */
@keyframes nebulaDrift {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  33% { transform: translate(30px, -20px) scale(1.1); opacity: 0.4; }
  66% { transform: translate(-20px, 15px) scale(0.95); opacity: 0.25; }
}

@keyframes auroraSweep {
  0% { transform: translateX(-100%) rotate(-5deg); opacity: 0; }
  20% { opacity: 0.15; }
  80% { opacity: 0.15; }
  100% { transform: translateX(100%) rotate(5deg); opacity: 0; }
}

/* ── Input Animations ── */
@keyframes inputShimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes sendPulse {
  0% { transform: scale(1); }
  50% { transform: scale(0.92); }
  100% { transform: scale(1); }
}

@keyframes sendMorph {
  0% { border-radius: 8px; }
  50% { border-radius: 50%; }
  100% { border-radius: 8px; }
}

/* ── Chat Animations ── */
@keyframes typingBreathe {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes messageAura {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.2); }
  100% { box-shadow: 0 0 12px 4px rgba(99, 102, 241, 0); }
}

@keyframes chatFlash {
  0% { background-color: rgba(99, 102, 241, 0.05); }
  100% { background-color: transparent; }
}

/* ── UI Animations ── */
@keyframes btnShimmer {
  0% { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}

@keyframes avatarFlash {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5); }
  100% { box-shadow: 0 0 0 8px rgba(99, 102, 241, 0); }
}

@keyframes ambientGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* ── Pulse Dot ── */
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(99, 102, 241, 0); }
}

/* ── Progress Bar ── */
@keyframes progressFill {
  from { width: 0%; }
}

/* ── Auth ── */
@keyframes authFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes authModalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes authOrbMini {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(5deg); }
}

/* ── Orb Panel ── */
@keyframes orbPanelIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Page Content Transition ── */
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.app-layout__content {
  animation: pageIn 0.2s ease-out;
}