/* ═══════════════════════════════════════════════════════════════════════════
   SOL VOL - ANIMATION SYSTEM
   Keyframe Animations for Cards, Combat, Turns, and Effects
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────
   EASING FUNCTIONS
   ───────────────────────────────────────────────────────────────────────── */

:root {
  /* Game-feel easings */
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-snap: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-dramatic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-anticipate: cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

/* ─────────────────────────────────────────────────────────────────────────
   CARD DRAW ANIMATION
   ───────────────────────────────────────────────────────────────────────── */

@keyframes cardDraw {
  0% {
    transform: translateX(100px) translateY(-50px) scale(0.3) rotateY(180deg);
    opacity: 0;
  }
  40% {
    transform: translateX(20px) translateY(-100px) scale(0.8) rotateY(90deg);
    opacity: 1;
  }
  70% {
    transform: translateX(0) translateY(-30px) scale(1.1) rotateY(0deg);
  }
  100% {
    transform: translateX(0) translateY(0) scale(1) rotateY(0deg);
  }
}

.anim-card-draw {
  animation: cardDraw 0.8s var(--ease-bounce) forwards;
}

/* Card flip reveal */
@keyframes cardFlip {
  0% {
    transform: rotateY(180deg) scale(0.8);
  }
  50% {
    transform: rotateY(90deg) scale(1);
  }
  100% {
    transform: rotateY(0deg) scale(1);
  }
}

.anim-card-flip {
  animation: cardFlip 0.5s var(--ease-smooth) forwards;
}

/* ─────────────────────────────────────────────────────────────────────────
   CARD PLAY ANIMATION
   ───────────────────────────────────────────────────────────────────────── */

/* Arc from hand to board */
@keyframes cardPlay {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  30% {
    transform: translateY(-80px) scale(1.2);
  }
  60% {
    transform: translateY(-120px) translateX(var(--play-offset-x, 0)) scale(0.9);
  }
  100% {
    transform: translateY(var(--play-target-y, -200px)) translateX(var(--play-offset-x, 0)) scale(0.8);
    opacity: 1;
  }
}

.anim-card-play {
  animation: cardPlay 0.6s var(--ease-anticipate) forwards;
}

/* Card settle on board */
@keyframes cardSettle {
  0% {
    transform: scale(1.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  }
  50% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
    box-shadow: var(--card-shadow);
  }
}

.anim-card-settle {
  animation: cardSettle 0.3s var(--ease-bounce) forwards;
}

/* ─────────────────────────────────────────────────────────────────────────
   CARD COMBAT ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Attack rush */
@keyframes cardAttack {
  0% {
    transform: translateY(0) scale(1);
  }
  20% {
    transform: translateY(10px) scale(0.95);
  }
  50% {
    transform: translateY(-100px) scale(1.1);
  }
  70% {
    transform: translateY(-80px) scale(1);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

.anim-card-attack {
  animation: cardAttack 0.5s var(--ease-dramatic) forwards;
}

/* Card destruction */
@keyframes cardDestroy {
  0% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
    filter: brightness(1);
  }
  30% {
    transform: scale(1.1) rotate(-5deg);
    filter: brightness(2);
  }
  60% {
    transform: scale(0.8) rotate(10deg);
    opacity: 0.7;
    filter: brightness(0.5);
  }
  100% {
    transform: scale(0) rotate(30deg);
    opacity: 0;
    filter: brightness(0);
  }
}

.anim-card-destroy {
  animation: cardDestroy 0.5s var(--ease-snap) forwards;
}

/* Card buff glow */
@keyframes cardBuff {
  0% {
    box-shadow: var(--card-shadow);
    filter: brightness(1);
  }
  50% {
    box-shadow: var(--card-shadow), 0 0 40px var(--magic-gold-glow);
    filter: brightness(1.3);
  }
  100% {
    box-shadow: var(--card-shadow);
    filter: brightness(1);
  }
}

.anim-card-buff {
  animation: cardBuff 0.6s var(--ease-smooth);
}

/* Card debuff shake */
@keyframes cardDebuff {
  0%, 100% {
    transform: translateX(0);
    filter: brightness(1);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
    filter: brightness(0.8) sepia(0.3);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
    filter: brightness(0.8) sepia(0.3);
  }
}

.anim-card-debuff {
  animation: cardDebuff 0.4s var(--ease-snap);
}

/* ─────────────────────────────────────────────────────────────────────────
   HERO ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Hero taking damage */
@keyframes heroDamage {
  0%, 100% {
    transform: translateX(0);
    filter: brightness(1);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-8px);
    filter: brightness(1.5) saturate(1.5);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(8px);
    filter: brightness(0.7);
  }
}

.anim-hero-damage {
  animation: heroDamage 0.5s var(--ease-snap);
}

/* Hero healing */
@keyframes heroHeal {
  0% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.3) saturate(1.2);
    box-shadow: 0 0 30px var(--magic-green-glow);
  }
  100% {
    filter: brightness(1);
  }
}

.anim-hero-heal {
  animation: heroHeal 0.6s var(--ease-smooth);
}

/* Hero power activation */
@keyframes heroPowerActivate {
  0% {
    transform: scale(1);
  }
  30% {
    transform: scale(0.9);
  }
  60% {
    transform: scale(1.2);
    box-shadow: 0 0 40px var(--magic-purple-glow);
  }
  100% {
    transform: scale(1);
  }
}

.anim-hero-power {
  animation: heroPowerActivate 0.5s var(--ease-bounce);
}

/* ─────────────────────────────────────────────────────────────────────────
   TURN ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Your turn banner entrance */
@keyframes turnBannerEnter {
  0% {
    transform: translateY(-100%) scale(0.5);
    opacity: 0;
  }
  50% {
    transform: translateY(10%) scale(1.1);
    opacity: 1;
  }
  70% {
    transform: translateY(-5%) scale(0.98);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

.anim-turn-banner {
  animation: turnBannerEnter 0.8s var(--ease-bounce);
}

/* Turn banner exit */
@keyframes turnBannerExit {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-100%) scale(0.5);
    opacity: 0;
  }
}

.anim-turn-banner-exit {
  animation: turnBannerExit 0.4s var(--ease-snap) forwards;
}

/* Rope burning */
@keyframes ropeBurn {
  0% {
    height: 0%;
    box-shadow: 0 0 5px var(--magic-orange-glow);
  }
  100% {
    height: 100%;
    box-shadow: 0 0 20px var(--magic-red-glow);
  }
}

.anim-rope-burn {
  animation: ropeBurn var(--rope-duration, 30s) linear forwards;
}

/* ─────────────────────────────────────────────────────────────────────────
   BOARD ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Screen shake on impact */
@keyframes screenShake {
  0%, 100% {
    transform: translate(0, 0) rotateX(5deg);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translate(-5px, -3px) rotateX(5deg);
  }
  20%, 40%, 60%, 80% {
    transform: translate(5px, 3px) rotateX(5deg);
  }
}

.anim-screen-shake {
  animation: screenShake 0.4s var(--ease-snap);
}

/* Victory celebration */
@keyframes victoryBurst {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.5);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.anim-victory {
  animation: victoryBurst 0.8s var(--ease-bounce);
}

/* Defeat fade */
@keyframes defeatFade {
  0% {
    filter: brightness(1) grayscale(0);
  }
  100% {
    filter: brightness(0.5) grayscale(0.8);
  }
}

.anim-defeat {
  animation: defeatFade 1s var(--ease-smooth) forwards;
}

/* ─────────────────────────────────────────────────────────────────────────
   TRAP ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Trap set */
@keyframes trapSet {
  0% {
    transform: scale(0) rotateY(180deg);
    opacity: 0;
  }
  60% {
    transform: scale(1.1) rotateY(0deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotateY(0deg);
  }
}

.anim-trap-set {
  animation: trapSet 0.5s var(--ease-bounce);
}

/* Trap trigger reveal */
@keyframes trapTrigger {
  0% {
    transform: rotateY(0deg) scale(1);
    filter: brightness(1);
  }
  30% {
    transform: rotateY(180deg) scale(1.2);
    filter: brightness(2);
  }
  60% {
    transform: rotateY(360deg) scale(1.3);
    filter: brightness(1.5);
    box-shadow: 0 0 50px var(--magic-red-glow);
  }
  100% {
    transform: rotateY(360deg) scale(1);
    filter: brightness(1);
  }
}

.anim-trap-trigger {
  animation: trapTrigger 0.8s var(--ease-dramatic);
}

/* ─────────────────────────────────────────────────────────────────────────
   UI ANIMATIONS
   ───────────────────────────────────────────────────────────────────────── */

/* Button pulse */
@keyframes buttonPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
  }
}

.anim-pulse {
  animation: buttonPulse 2s var(--ease-smooth) infinite;
}

/* Fade in */
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.anim-fade-in {
  animation: fadeIn 0.3s var(--ease-smooth);
}

/* Fade out */
@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.anim-fade-out {
  animation: fadeOut 0.3s var(--ease-smooth) forwards;
}

/* Slide in from bottom */
@keyframes slideInBottom {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.anim-slide-in-bottom {
  animation: slideInBottom 0.4s var(--ease-bounce);
}

/* Slide in from top */
@keyframes slideInTop {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.anim-slide-in-top {
  animation: slideInTop 0.4s var(--ease-bounce);
}

/* Scale pop */
@keyframes scalePop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  70% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

.anim-pop {
  animation: scalePop 0.3s var(--ease-bounce);
}

/* ─────────────────────────────────────────────────────────────────────────
   PARTICLE EFFECTS
   ───────────────────────────────────────────────────────────────────────── */

/* Gold sparkle */
@keyframes goldSparkle {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-30px) scale(0);
    opacity: 0;
  }
}

.particle-gold {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--tavern-gold);
  border-radius: 50%;
  animation: goldSparkle 0.8s var(--ease-smooth) forwards;
  box-shadow: 0 0 10px var(--magic-gold-glow);
}

/* Damage sparks */
@keyframes damageSpark {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--spark-x, 20px), var(--spark-y, -20px)) scale(0);
    opacity: 0;
  }
}

.particle-damage {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--magic-red);
  border-radius: 50%;
  animation: damageSpark 0.5s var(--ease-snap) forwards;
  box-shadow: 0 0 8px var(--magic-red-glow);
}

/* Heal particles (rising) */
@keyframes healParticle {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-40px) scale(0.5);
    opacity: 0;
  }
}

.particle-heal {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--magic-green);
  border-radius: 50%;
  animation: healParticle 1s var(--ease-smooth) forwards;
  box-shadow: 0 0 12px var(--magic-green-glow);
}

/* ─────────────────────────────────────────────────────────────────────────
   LOADING & WAITING STATES
   ───────────────────────────────────────────────────────────────────────── */

/* Spinner */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.anim-spin {
  animation: spin 1s linear infinite;
}

/* Dots loading */
@keyframes dotsLoading {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.loading-dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--tavern-gold);
  border-radius: 50%;
  margin: 0 4px;
  animation: dotsLoading 1.4s var(--ease-smooth) infinite;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

/* ─────────────────────────────────────────────────────────────────────────
   REDUCED MOTION
   ───────────────────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}