/* ============ ANIMATED AVATAR SYSTEM – CSS ============ */
/* All animations are hardware-accelerated (transform/opacity) for mobile performance */

/* ── SHARED ──────────────────────────────────────────────── */
@keyframes av-bob { 0% { transform: translateY(3px); } 100% { transform: translateY(-3px); } }
@keyframes av-wobble { 0% { transform: rotate(-8deg); } 100% { transform: rotate(8deg); } }

.av-bob { animation: av-bob 1s ease-in-out infinite alternate; }
.av-dove { animation: av-wobble 0.5s infinite alternate; }

/* ── LETTER ANIMATIONS (per style) ──────────────────────── */
/* Orbital: slow breathe */
.av-letter-orbital { animation: av-lt-breathe 2.5s ease-in-out infinite alternate; }
@keyframes av-lt-breathe { 0% { transform: scale(0.95); opacity: 0.85; } 100% { transform: scale(1.08); opacity: 1; text-shadow: 0 0 12px rgba(255,255,255,0.6); } }

/* Eruption/Fire: flicker shake */
.av-letter-fire { animation: av-lt-flicker 0.3s ease-in-out infinite alternate; }
@keyframes av-lt-flicker { 0% { transform: translateY(1px) scale(1); } 50% { transform: translateY(-2px) scale(1.06); } 100% { transform: translateY(0px) scale(0.98); } }

/* Constellation: twinkle glow */
.av-letter-star { animation: av-lt-twinkle 2s ease-in-out infinite alternate; }
@keyframes av-lt-twinkle { 0% { text-shadow: 0 0 5px #818cf8; transform: scale(1); } 100% { text-shadow: 0 0 20px #c4b5fd, 0 0 40px #818cf8; transform: scale(1.08); } }

/* Windbell: sway like hanging */
.av-letter-bell { animation: av-lt-sway 2.5s ease-in-out infinite alternate; transform-origin: top center; }
@keyframes av-lt-sway { 0% { transform: rotate(-6deg) translateX(-2px); } 100% { transform: rotate(6deg) translateX(2px); } }

/* Growth: sprout up bounce */
.av-letter-growth { animation: av-lt-sprout 3s ease-in-out infinite; }
@keyframes av-lt-sprout { 0%,100% { transform: translateY(0) scale(1); } 25% { transform: translateY(-4px) scale(1.06); } 50% { transform: translateY(0) scale(1); } 75% { transform: translateY(-2px) scale(1.03); } }

/* Manna: gentle float */
.av-letter-manna { animation: av-lt-float 2s ease-in-out infinite alternate; }
@keyframes av-lt-float { 0% { transform: translateY(2px) rotate(-2deg); } 100% { transform: translateY(-3px) rotate(2deg); } }

/* Whale: wave riding */
.av-letter-whale { animation: av-lt-wave 3s ease-in-out infinite; }
@keyframes av-lt-wave { 0%,100% { transform: translateY(0) translateX(0); } 25% { transform: translateY(-3px) translateX(2px); } 50% { transform: translateY(1px) translateX(0); } 75% { transform: translateY(-2px) translateX(-2px); } }

/* Angel: levitate */
.av-letter-angel { animation: av-lt-levitate 2s ease-in-out infinite alternate; }
@keyframes av-lt-levitate { 0% { transform: translateY(2px); text-shadow: 0 2px 4px rgba(245,158,11,0.3); } 100% { transform: translateY(-4px); text-shadow: 0 4px 12px rgba(245,158,11,0.6); } }

/* Ark: rock with ship */
.av-letter-ark { animation: av-lt-rock 3s ease-in-out infinite alternate; }
@keyframes av-lt-rock { 0% { transform: translateX(-50%) translateY(0) rotate(-3deg); } 100% { transform: translateX(-50%) translateY(-2px) rotate(3deg); } }

/* Fishing: bob on water */
.av-letter-fish { animation: av-lt-bob 2s ease-in-out infinite; }
@keyframes av-lt-bob { 0%,100% { transform: translateY(0); } 30% { transform: translateY(-3px); } 60% { transform: translateY(2px); } }

/* Fruit: playful bounce */
.av-letter-fruit { animation: av-lt-bounce 1.5s ease-in-out infinite; }
@keyframes av-lt-bounce { 0%,100% { transform: translateY(0) scale(1); } 40% { transform: translateY(-5px) scale(1.05); } 60% { transform: translateY(0) scale(0.97); } }

/* ── 1. ORBITAL ──────────────────────────────────────────── */
.av-orbital { transform-style: preserve-3d; perspective: 400px; }
.av-orb-ring {
  position: absolute; inset: 0;
  border: 2px solid rgba(255,255,255,0.35); border-radius: 50%;
  display: flex; align-items: flex-start; justify-content: center;
}
.av-orb-r1 { transform: rotateX(65deg) rotateY(0deg); animation: av-orb-spin1 3s linear infinite; }
.av-orb-r2 { transform: rotateX(65deg) rotateY(60deg); animation: av-orb-spin2 4s linear infinite; }
.av-orb-r3 { transform: rotateX(65deg) rotateY(120deg); animation: av-orb-spin3 5s linear infinite; }
.av-orb-e { margin-top: -7px; transform: rotateX(-65deg); filter: drop-shadow(0 0 5px rgba(255,255,255,0.8)); }
.av-core-dark { color: #e2e8f0; text-shadow: 0 4px 10px rgba(0,0,0,0.5); }
@keyframes av-orb-spin1 { from { transform: rotateX(65deg) rotateY(0deg) rotateZ(0deg); } to { transform: rotateX(65deg) rotateY(0deg) rotateZ(360deg); } }
@keyframes av-orb-spin2 { from { transform: rotateX(65deg) rotateY(60deg) rotateZ(0deg); } to { transform: rotateX(65deg) rotateY(60deg) rotateZ(360deg); } }
@keyframes av-orb-spin3 { from { transform: rotateX(65deg) rotateY(120deg) rotateZ(0deg); } to { transform: rotateX(65deg) rotateY(120deg) rotateZ(360deg); } }

/* ── 2. ERUPTION ─────────────────────────────────────────── */
.av-erupt {
  position: absolute; opacity: 0;
  animation: av-erupt-pop 2s infinite ease-out;
}
.av-er1 { animation-delay: 0s; --etx: -30px; --ety: -40px; }
.av-er2 { animation-delay: 0.4s; --etx: 35px; --ety: -30px; }
.av-er3 { animation-delay: 0.8s; --etx: -20px; --ety: 40px; }
.av-er4 { animation-delay: 1.2s; --etx: 40px; --ety: 20px; }
.av-core-fire { color: #f43f5e; text-shadow: 0 0 15px #e11d48; animation: av-pulse 1s infinite alternate; }
@keyframes av-erupt-pop { 0% { transform: scale(0.5) translate(0,0); opacity:1;} 100% { transform: scale(1.5) translate(var(--etx), var(--ety)); opacity:0;} }
@keyframes av-pulse { 100% { transform: scale(1.1); filter: brightness(1.2); } }

/* ── 3. CONSTELLATION ────────────────────────────────────── */
.av-star {
  position: absolute;
  filter: drop-shadow(0 0 5px #fff);
  animation: av-float-star 3s infinite alternate ease-in-out;
}
.av-st1 { top: -10px; left: 0px; animation-delay: 0s; }
.av-st2 { top: 10px; right: 0px; animation-delay: 1s; }
.av-st3 { bottom: 0; left: -10px; animation-delay: 2s; }
.av-st4 { bottom: -10px; right: 10px; animation-delay: 0.5s; }
.av-core-star { color: #e0e7ff; text-shadow: 0 0 15px #818cf8; }
@keyframes av-float-star { 0% { transform: translate(0,0) scale(0.8); opacity:0.6;} 100% { transform: translate(5px,-5px) scale(1.2); opacity:1;} }

/* ── 4. WINDBELL ─────────────────────────────────────────── */
.av-wb-roof {
  position: absolute; top: -5px; width: 70%; height: 10px;
  border-top: 3px solid var(--text3, #475569); border-radius: 5px;
  transform-origin: top center;
  animation: av-swing 3s infinite alternate ease-in-out;
}
.av-wb-str {
  position: absolute; top: 0; width: 2px;
  background: var(--text3, #334155);
  transform-origin: top center;
  animation: av-swing-s 2s infinite alternate ease-in-out;
}
.av-wb-s1 { left: 15%; height: 120%; animation-duration: 2.1s; }
.av-wb-s2 { left: 50%; height: 150%; animation-duration: 1.8s; }
.av-wb-s3 { left: 85%; height: 100%; animation-duration: 2.3s; }
.av-wb-str span { position: absolute; bottom: -14px; left: -10px; }
.av-core-bell { color: var(--text2, #cbd5e1); }
@keyframes av-swing { 0% { transform: rotate(-10deg); } 100% { transform: rotate(10deg); } }
@keyframes av-swing-s { 0% { transform: rotate(-15deg); } 100% { transform: rotate(15deg); } }

/* ── 5. CAROUSEL ─────────────────────────────────────────── */
.av-carousel { transform-style: preserve-3d; perspective: 500px; }
.av-cyl {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  transform-style: preserve-3d;
  animation: av-cyl-spin 8s linear infinite;
}
.av-ci { position: absolute; filter: drop-shadow(0 0 5px rgba(255,255,255,0.3)); }
.av-ci1 { transform: rotateY(0deg) translateZ(35px); }
.av-ci2 { transform: rotateY(120deg) translateZ(35px); }
.av-ci3 { transform: rotateY(240deg) translateZ(35px); }
.av-core-cyl { color: #38bdf8; text-shadow: 0 0 15px #0284c7; }
@keyframes av-cyl-spin { 100% { transform: rotateY(360deg); } }

/* ── 6. GROWTH (Hạt giống → Cây) ────────────────────────── */
.av-growth-stage {
  position: absolute;
  z-index: 3;
  opacity: 0;
  transition: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}
.av-growth-seed  { animation: av-grow-seed  6s ease-in-out infinite; }
.av-growth-sprout{ animation: av-grow-sprout 6s ease-in-out infinite; }
.av-growth-tree  { animation: av-grow-tree   6s ease-in-out infinite; }

/* Soil mound at bottom */
.av-growth-soil {
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 22%;
  background: radial-gradient(ellipse at 50% 100%, #6b4423 0%, #8B6914 60%, transparent 100%);
  border-radius: 50% 50% 0 0;
  z-index: 2;
}

/* Seed: visible 0-30%, fade out at 30% */
@keyframes av-grow-seed {
  0%   { opacity: 0; transform: scale(0.4) translateY(10px); }
  5%   { opacity: 1; transform: scale(1) translateY(0); }
  25%  { opacity: 1; transform: scale(1.05) translateY(-2px); }
  33%  { opacity: 0; transform: scale(0.7) translateY(-8px); }
  100% { opacity: 0; }
}
/* Sprout: fade in at 28%, visible 33-63%, fade out */
@keyframes av-grow-sprout {
  0%   { opacity: 0; transform: scale(0.5) translateY(10px); }
  28%  { opacity: 0; transform: scale(0.5) translateY(10px); }
  35%  { opacity: 1; transform: scale(1) translateY(0); }
  58%  { opacity: 1; transform: scale(1.1) translateY(-3px); }
  66%  { opacity: 0; transform: scale(0.8) translateY(-10px); }
  100% { opacity: 0; }
}
/* Tree: fade in at 60%, visible 66-95%, then fade to restart */
@keyframes av-grow-tree {
  0%   { opacity: 0; transform: scale(0.5) translateY(15px); }
  60%  { opacity: 0; transform: scale(0.5) translateY(15px); }
  68%  { opacity: 1; transform: scale(1) translateY(0); }
  90%  { opacity: 1; transform: scale(1.05) translateY(-2px); }
  97%  { opacity: 0; transform: scale(1.1) translateY(-5px); }
  100% { opacity: 0; }
}

/* ── 7. MANNA ────────────────────────────────────────────── */
.av-food {
  position: absolute; top: -20px;
  animation: av-fall 3s linear infinite;
}
.av-f1 { left: 10%; animation-duration: 2.5s; }
.av-f2 { left: 55%; animation-delay: 1s; }
@keyframes av-fall { 0% { transform: translateY(0) rotate(0deg); opacity:0;} 20%,80% { opacity:1;} 100% { transform: translateY(80px) rotate(360deg); opacity:0;} }

/* ── 8. WHALE ────────────────────────────────────────────── */
.av-wh-belly {
  position: absolute; inset: 0;
  background: radial-gradient(circle, #38bdf8, #0284c7);
  border-radius: 45% 55% 45% 55%;
  box-shadow: inset -5px -5px 15px rgba(0,0,0,0.2);
  overflow: hidden; z-index: 1;
  animation: av-belly 4s ease-in-out infinite alternate;
}
.av-wh-fish {
  position: absolute; font-size: 24px; z-index: 2;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.2));
  animation: av-swim 6s linear infinite;
}
@keyframes av-belly {
  0% { transform: translateY(-3px) scale(0.95); border-radius: 45% 55% 45% 55%; }
  100% { transform: translateY(3px) scale(1.05); border-radius: 55% 45% 55% 45%; }
}
@keyframes av-swim {
  0%   { transform: translate(75px, 20px) scaleX(1); }
  25%  { transform: translate(25px, 45px) scaleX(1) rotate(15deg); }
  45%  { transform: translate(-25px, 30px) scaleX(1) rotate(-10deg); }
  46%  { transform: translate(-25px, 30px) scaleX(-1) rotate(0deg); }
  70%  { transform: translate(25px, 5px) scaleX(-1) rotate(-15deg); }
  95%  { transform: translate(75px, 20px) scaleX(-1) rotate(10deg); }
  100% { transform: translate(75px, 20px) scaleX(1); }
}

/* ── 9. ANGEL ────────────────────────────────────────────── */
.av-halo {
  position: absolute; width: 52%; height: 18%;
  border: 3px solid #fde047; border-radius: 50%;
  top: -15px; left: 50%; transform: translateX(-50%);
  box-shadow: 0 0 8px #fef08a; z-index: 15;
}
.av-wing-wrap-l, .av-wing-wrap-r {
  position: absolute; top: 20%; z-index: 1;
  display: flex; align-items: center;
}
.av-wing-wrap-l { left: -20px; transform: scaleX(-1); }
.av-wing-wrap-r { right: -20px; }
.av-wflap {
  font-size: 32px;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.1));
  transform-origin: left center;
  animation: av-flap 0.4s ease-in-out infinite alternate;
}
@keyframes av-flap { 0% { transform: rotate(-5deg); } 100% { transform: rotate(35deg); } }

/* ── 10. ARK ─────────────────────────────────────────────── */
.av-ark-w1, .av-ark-w2 {
  position: absolute; height: 40%; border-radius: 50% 50% 0 0;
}
.av-ark-w1 { bottom: -12%; width: 140%; background: #0ea5e9; animation: av-wobble 2s ease-in-out infinite alternate; }
.av-ark-w2 { bottom: -24%; width: 150%; background: #0369a1; animation: av-wobble 2.5s ease-in-out infinite alternate-reverse; }
.av-ark-ship {
  position: absolute; bottom: 18%; z-index: 5;
  width: 45%; height: 35%;
  animation: av-rock 3s ease-in-out infinite alternate;
  filter: drop-shadow(0 4px 2px rgba(0,0,0,0.2));
}
.av-ark-hull {
  position: absolute; bottom: 0; left: 0; width: 100%; height: 50%;
  background: #78350f;
  border-radius: 5px 5px 25px 25px;
  box-shadow: inset -2px -2px 5px rgba(0,0,0,0.3);
}
.av-ark-cabin {
  position: absolute; bottom: 50%; left: 20%; width: 60%; height: 40%;
  background: #b45309;
  border-radius: 4px 4px 0 0;
}
.av-ark-cabin::before {
  content: ''; position: absolute;
  top: -4px; left: -10%; width: 120%; height: 6px;
  background: #451a03; border-radius: 3px;
}
.av-ark-rock-r { animation: av-rock 3s ease-in-out infinite alternate-reverse; }
@keyframes av-rock { 0% { transform: translateY(0) rotate(-5deg); } 100% { transform: translateY(2px) rotate(5deg); } }

/* ── 11. FRUIT ───────────────────────────────────────────── */
.av-fruitbob {
  position: absolute;
  animation: av-bob 1s infinite alternate;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.1));
}
.av-fb1 { top: -5px; left: 18%; animation-duration: 0.8s; }
.av-fb2 { bottom: -2px; left: -3%; animation-duration: 1.2s; animation-delay: 0.5s; }
.av-fb3 { bottom: 6%; right: -6%; animation-duration: 0.9s; animation-delay: 1s; }

/* ── 12. FISHING (Câu Cá) ───────────────────────────────── */
.av-fish-rod {
  position: absolute;
  bottom: 25%; right: -25%;
  width: 75%; height: 85%;
  border-top: 3px solid #78350f;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-bottom: none;
  border-radius: 100% 0 0 0;
  z-index: 5;
  transform-origin: bottom right;
  animation: av-rod-dip 3s ease-in-out infinite alternate;
}
.av-fish-line {
  position: absolute;
  top: 0; left: -10px;
  width: 1px; height: 35px;
  background: rgba(255,255,255,0.7);
  transform-origin: top center;
  animation: av-line-swing 3s ease-in-out infinite alternate;
}
.av-fish-hook {
  position: absolute;
  bottom: -15px; left: -14px;
  font-size: 14px;
}
.av-fish-sw {
  position: absolute;
  z-index: 6;
  font-size: 14px;
  animation: av-swim-fish 4s linear infinite;
}
.av-fs1 { bottom: 15%; left: -30%; animation-duration: 5s; }
.av-fs2 { bottom: 5%; left: -40%; animation-duration: 4.2s; animation-delay: 1s; }
.av-fs3 { bottom: 25%; left: -20%; animation-duration: 5.5s; animation-delay: 2s; transform: scale(0.9); }
@keyframes av-rod-dip {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(-8deg); }
}
@keyframes av-line-swing {
  0%   { transform: rotate(8deg); }
  100% { transform: rotate(-8deg); }
}
@keyframes av-swim-fish {
  0%   { transform: translateX(0) scaleX(-1); }
  100% { transform: translateX(120px) scaleX(-1); }
}