/*
 * EduNoor - Animations
 */

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    25% { transform: translateY(-30px) translateX(10px); opacity: 0.6; }
    50% { transform: translateY(-15px) translateX(-10px); opacity: 0.4; }
    75% { transform: translateY(-40px) translateX(5px); opacity: 0.5; }
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

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

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered animation classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll[data-animation="fade-left"] { transform: translateX(-30px); }
.animate-on-scroll[data-animation="fade-left"].animated { transform: translateX(0); }

.animate-on-scroll[data-animation="fade-right"] { transform: translateX(30px); }
.animate-on-scroll[data-animation="fade-right"].animated { transform: translateX(0); }

.animate-on-scroll[data-animation="scale"] { transform: scale(0.9); }
.animate-on-scroll[data-animation="scale"].animated { transform: scale(1); }

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children.animated > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.animated > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.animated > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.animated > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.animated > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.animated > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.animated > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.animated > *:nth-child(8) { transition-delay: 0.4s; }

.stagger-children.animated > * {
    opacity: 1;
    transform: translateY(0);
}

/* Hover micro-animations */
.hover-lift { transition: transform var(--transition-base); }
.hover-lift:hover { transform: translateY(-6px); }

.hover-glow { transition: box-shadow var(--transition-base); }
.hover-glow:hover { box-shadow: var(--shadow-glow); }

.hover-scale { transition: transform var(--transition-base); }
.hover-scale:hover { transform: scale(1.03); }

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-card) 50%, var(--bg-glass) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* Gradient text animation */
.gradient-animate {
    background: linear-gradient(270deg, var(--primary), var(--secondary), var(--accent), var(--primary));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
}

/* Floating effect for decorative elements */
.float-slow { animation: floatIcon 8s infinite ease-in-out; }
.float-medium { animation: floatIcon 5s infinite ease-in-out; }
.float-fast { animation: floatIcon 3s infinite ease-in-out; }

/* Quiz answer feedback */
.quiz-option-item.correct {
    border-color: var(--success) !important;
    background: rgba(46,213,115,0.1) !important;
}

.quiz-option-item.incorrect {
    border-color: var(--danger) !important;
    background: rgba(255,71,87,0.1) !important;
}

/* Progress bar animation */
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* XP bar animation */
.xp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 1s ease;
    position: relative;
}

/* Parallax & Magnetic Effects */
.parallax-wrap {
    perspective: 1000px;
    transform-style: preserve-3d;
}

.parallax-item {
    transition: transform 0.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.magnetic-btn {
    display: inline-flex;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.magnetic-btn::before {
    content: '';
    position: absolute;
    inset: -20px;
    z-index: -1;
}

.hover-3d {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    transform-style: preserve-3d;
}

.hover-3d:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(-5deg);
    box-shadow: 20px 20px 30px rgba(0,0,0,0.2), -10px -10px 30px rgba(255,255,255,0.05);
}

/* Glassmorphism Glow Enhancement */
.card-glass {
    position: relative;
    overflow: hidden;
}
.card-glass::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.1), transparent);
    transform: skewX(-20deg);
    transition: left 0.7s ease;
}
.card-glass:hover::before {
    left: 200%;
}