/**
 * animations.css - High Performance GPU-Accelerated Animations
 * Designed for Middle School Students (Gamification & Dopamine Triggers)
 * 100% GPU Compositor Thread (0% Server CPU, ~1.5KB gzipped)
 */

/* ─── Keyframe Animations ─── */

@keyframes fx-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

@keyframes fx-pop-in {
    0% {
        opacity: 0;
        transform: scale(0.6) translateY(10px);
    }
    70% {
        transform: scale(1.06) translateY(-2px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes fx-stamp {
    0% {
        opacity: 0;
        transform: scale(2.2) rotate(-15deg);
    }
    60% {
        opacity: 1;
        transform: scale(0.95) rotate(-5deg);
    }
    100% {
        transform: scale(1) rotate(-5deg);
    }
}

@keyframes fx-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes fx-pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.4);
    }
    50% {
        box-shadow: 0 0 16px 4px rgba(225, 29, 72, 0.25);
    }
}

@keyframes fx-wave {
    0%, 100% { transform: rotate(0deg); }
    20% { transform: rotate(14deg); }
    40% { transform: rotate(-10deg); }
    60% { transform: rotate(12deg); }
    80% { transform: rotate(-4deg); }
}

/* ─── Interactive Classes ─── */

/* Shimmer Progress Effect */
.shimmer-wrapper {
    position: relative;
    overflow: hidden;
}

.shimmer-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 60%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.35) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: translateX(-100%);
    animation: fx-shimmer 2.2s infinite ease-in-out;
    pointer-events: none;
}

/* Pop & Elastic Entry */
.anim-pop {
    animation: fx-pop-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Stamp Effect for Badges / Ratings */
.anim-stamp {
    animation: fx-stamp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Gentle Floating */
.anim-float {
    animation: fx-float 3s ease-in-out infinite;
}

/* Glowing Border/Shadow */
.anim-glow {
    animation: fx-pulse-glow 2.5s infinite;
}

/* Waving Hand / Icon */
.anim-wave {
    display: inline-block;
    transform-origin: 70% 70%;
    animation: fx-wave 2s infinite ease-in-out;
}

/* Smooth Card Hover Lift */
.hover-lift {
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
    will-change: transform, box-shadow;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.1), 0 6px 12px -4px rgba(0, 0, 0, 0.06);
}

/* Pressable Button Feel */
.pressable {
    transition: transform 0.12s ease-out, filter 0.12s ease-out;
}

.pressable:active {
    transform: scale(0.96);
    filter: brightness(0.96);
}

/* Count-up Dynamic Number Flash */
.count-up-active {
    display: inline-block;
    transition: transform 0.15s ease;
}

/* Fullscreen Confetti Canvas */
#fx-confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999999;
}