/* ===== Animation Keyframes ===== */

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Bounce Float */
@keyframes bounce-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(5deg);
    }
    75% {
        transform: translateY(-5px) rotate(-5deg);
    }
}

/* Cloud Float */
@keyframes cloud-float {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(calc(100vw + 100%));
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Bounce In */
@keyframes bounce-in {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Bounce Small */
@keyframes bounce-small {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Hint Glow */
@keyframes hint-glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 230, 109, 0.5);
        border-color: #FFE66D;
    }
    50% {
        box-shadow: 0 0 25px rgba(255, 230, 109, 0.9);
        border-color: #FFA500;
    }
}

/* Jump Celebrate */
@keyframes jump-celebrate {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(-10deg);
    }
    50% {
        transform: translateY(-30px) rotate(0deg);
    }
    75% {
        transform: translateY(-20px) rotate(10deg);
    }
}

/* Rotate Phone */
@keyframes rotate-phone {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(90deg);
    }
}

/* Spin */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Shake */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* Pop In */
@keyframes pop-in {
    0% {
        transform: scale(0) rotate(-10deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(5deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

/* Slide Up */
@keyframes slide-up {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Slide Down */
@keyframes slide-down {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Fade In */
@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Sparkle */
@keyframes sparkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

/* Confetti Fall */
@keyframes confetti-fall {
    0% {
        transform: translateY(-100%) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Star Burst */
@keyframes star-burst {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.5) rotate(180deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(2) rotate(360deg);
        opacity: 0;
    }
}

/* Wiggle */
@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-8deg);
    }
    75% {
        transform: rotate(8deg);
    }
}

/* ===== Animation Classes ===== */

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

.bounce-in {
    animation: bounce-in 0.6s ease forwards;
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

.shake-animation {
    animation: shake 0.5s ease-in-out;
}

.pop-in {
    animation: pop-in 0.4s ease forwards;
}

.slide-up {
    animation: slide-up 0.5s ease forwards;
}

.fade-in {
    animation: fade-in 0.5s ease forwards;
}

.wiggle-animation {
    animation: wiggle 0.5s ease-in-out;
}

/* ===== Confetti Effect ===== */
.confetti {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 15px;
    height: 15px;
    animation: confetti-fall 3s linear forwards;
}

/* ===== Screen Transitions ===== */
.screen {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.screen.entering {
    animation: fade-in 0.4s ease forwards;
}

.screen.leaving {
    animation: fade-in 0.4s ease reverse forwards;
}

/* ===== Sticker Animation ===== */
.sticker-earned-animation {
    animation: pop-in 0.5s ease forwards, sparkle 1s ease-in-out 0.5s infinite;
}

/* ===== Button Interactions ===== */
.btn-tap {
    animation: pulse 0.2s ease;
}

/* ===== Character Expressions ===== */
.character-happy {
    animation: bounce-small 0.5s ease-in-out infinite;
}

.character-excited {
    animation: wiggle 0.3s ease-in-out infinite;
}

.character-celebrate {
    animation: jump-celebrate 0.6s ease-in-out infinite;
}

/* ===== Puzzle Piece Animations ===== */
.puzzle-piece.snap {
    animation: pop-in 0.3s ease forwards;
}

.puzzle-piece.wrong {
    animation: shake 0.4s ease;
}

/* ===== Loading Animation ===== */
@keyframes loading-dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

.loading::after {
    animation: loading-dots 1.5s infinite;
    content: '.';
}

/* ===== Fireworks Effect ===== */
.firework {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: star-burst 1s ease forwards;
}

.firework.red { background: #FF6B6B; }
.firework.yellow { background: #FFE66D; }
.firework.blue { background: #4ECDC4; }
.firework.pink { background: #FF6B9D; }
.firework.green { background: #A8E6CF; }