/* =============================================
   NEON PONG - Animations
   ============================================= */

/* Glitch Effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--neon-cyan);
    clip-path: inset(24px 0 calc(100% - 90px) 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-pink);
    clip-path: inset(85px 0 calc(100% - 140px) 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip-path: inset(10% 0 50% 0); }
    5% { clip-path: inset(20% 0 30% 0); }
    10% { clip-path: inset(60% 0 35% 0); }
    15% { clip-path: inset(70% 0 20% 0); }
    20% { clip-path: inset(30% 0 15% 0); }
    25% { clip-path: inset(20% 0 75% 0); }
    30% { clip-path: inset(75% 0 10% 0); }
    35% { clip-path: inset(50% 0 35% 0); }
    40% { clip-path: inset(90% 0 5% 0); }
    45% { clip-path: inset(80% 0 15% 0); }
    50% { clip-path: inset(35% 0 60% 0); }
    55% { clip-path: inset(85% 0 8% 0); }
    60% { clip-path: inset(55% 0 12% 0); }
    65% { clip-path: inset(80% 0 15% 0); }
    70% { clip-path: inset(25% 0 70% 0); }
    75% { clip-path: inset(65% 0 30% 0); }
    80% { clip-path: inset(25% 0 40% 0); }
    85% { clip-path: inset(35% 0 10% 0); }
    90% { clip-path: inset(22% 0 20% 0); }
    95% { clip-path: inset(50% 0 60% 0); }
    100% { clip-path: inset(40% 0 35% 0); }
}

@keyframes glitch-anim-2 {
    0% { clip-path: inset(65% 0 60% 0); }
    5% { clip-path: inset(20% 0 95% 0); }
    10% { clip-path: inset(45% 0 35% 0); }
    15% { clip-path: inset(48% 0 48% 0); }
    20% { clip-path: inset(75% 0 25% 0); }
    25% { clip-path: inset(20% 0 35% 0); }
    30% { clip-path: inset(35% 0 45% 0); }
    35% { clip-path: inset(50% 0 30% 0); }
    40% { clip-path: inset(75% 0 60% 0); }
    45% { clip-path: inset(70% 0 55% 0); }
    50% { clip-path: inset(52% 0 40% 0); }
    55% { clip-path: inset(60% 0 55% 0); }
    60% { clip-path: inset(55% 0 45% 0); }
    65% { clip-path: inset(72% 0 30% 0); }
    70% { clip-path: inset(10% 0 40% 0); }
    75% { clip-path: inset(68% 0 40% 0); }
    80% { clip-path: inset(40% 0 50% 0); }
    85% { clip-path: inset(18% 0 60% 0); }
    90% { clip-path: inset(35% 0 35% 0); }
    95% { clip-path: inset(38% 0 45% 0); }
    100% { clip-path: inset(42% 0 55% 0); }
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* Fade Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

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

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

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

/* Slide Animations */
.slide-in-left {
    animation: slideInLeft 0.4s ease-out forwards;
}

.slide-in-right {
    animation: slideInRight 0.4s ease-out forwards;
}

.slide-in-up {
    animation: slideInUp 0.4s ease-out forwards;
}

.slide-in-down {
    animation: slideInDown 0.4s ease-out forwards;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scale Animations */
.scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

.scale-out {
    animation: scaleOut 0.3s ease-out forwards;
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes scaleOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.8); }
}

/* Bounce Animation */
.bounce {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Shake Animation */
.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Screen Shake */
.screen-shake {
    animation: screenShake 0.3s ease;
}

@keyframes screenShake {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-3px, -3px); }
    20% { transform: translate(3px, 3px); }
    30% { transform: translate(-3px, 3px); }
    40% { transform: translate(3px, -3px); }
    50% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    70% { transform: translate(-3px, 3px); }
    80% { transform: translate(3px, -3px); }
    90% { transform: translate(-3px, -3px); }
}

/* Float Animation */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Glow Pulse */
.glow-pulse {
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { 
        box-shadow: 0 0 5px var(--neon-pink), 0 0 10px var(--neon-pink);
    }
    50% { 
        box-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink), 0 0 60px var(--neon-pink);
    }
}

/* Text Glow Pulse */
.text-glow-pulse {
    animation: textGlowPulse 2s ease-in-out infinite;
}

@keyframes textGlowPulse {
    0%, 100% { 
        text-shadow: 0 0 5px var(--neon-pink), 0 0 10px var(--neon-pink);
    }
    50% { 
        text-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink), 0 0 60px var(--neon-pink);
    }
}

/* Rainbow Animation */
.rainbow {
    animation: rainbow 5s linear infinite;
}

@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

/* Spin Animation */
.spin {
    animation: spin 1s linear infinite;
}

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

/* Flash Animation */
.flash {
    animation: flash 0.2s ease-out;
}

@keyframes flash {
    0% { background-color: white; }
    100% { background-color: transparent; }
}

/* Score Pop Animation */
.score-pop {
    animation: scorePop 0.3s ease-out;
}

@keyframes scorePop {
    0% { transform: scale(1); }
    50% { transform: scale(1.5); }
    100% { transform: scale(1); }
}

/* Particle Animations */
.particle {
    animation: particleFade 0.5s ease-out forwards;
}

@keyframes particleFade {
    0% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(0); }
}

/* Power-up Float */
.powerup-float {
    animation: powerupFloat 1s ease-in-out infinite;
}

@keyframes powerupFloat {
    0%, 100% { 
        transform: translateY(0) rotate(0deg);
    }
    50% { 
        transform: translateY(-5px) rotate(5deg);
    }
}

/* Victory Animation */
.victory {
    animation: victory 0.5s ease-out;
}

@keyframes victory {
    0% { transform: scale(0) rotate(-180deg); opacity: 0; }
    50% { transform: scale(1.2) rotate(10deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* Countdown Animations */
.countdown-enter {
    animation: countdownEnter 0.5s ease-out;
}

@keyframes countdownEnter {
    0% { transform: scale(3); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Button Press Animation */
.btn-press {
    animation: btnPress 0.1s ease-out;
}

@keyframes btnPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

/* Menu Item Stagger Animation */
.menu-buttons .btn-menu {
    opacity: 0;
    animation: menuItemIn 0.4s ease-out forwards;
}

.menu-buttons .btn-menu:nth-child(1) { animation-delay: 0.1s; }
.menu-buttons .btn-menu:nth-child(2) { animation-delay: 0.2s; }
.menu-buttons .btn-menu:nth-child(3) { animation-delay: 0.3s; }
.menu-buttons .btn-menu:nth-child(4) { animation-delay: 0.4s; }
.menu-buttons .btn-menu:nth-child(5) { animation-delay: 0.5s; }

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

/* Neon Flicker */
.neon-flicker {
    animation: neonFlicker 0.1s ease-in-out infinite alternate;
}

@keyframes neonFlicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        text-shadow: 
            0 0 4px #fff,
            0 0 11px #fff,
            0 0 19px #fff,
            0 0 40px var(--neon-pink),
            0 0 80px var(--neon-pink),
            0 0 90px var(--neon-pink),
            0 0 100px var(--neon-pink),
            0 0 150px var(--neon-pink);
    }
    20%, 24%, 55% {        
        text-shadow: none;
    }
}

/* Trail Effect */
.trail {
    position: relative;
}

.trail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    filter: blur(10px);
    opacity: 0.5;
    animation: trail 0.5s ease-out infinite;
}

@keyframes trail {
    0% { opacity: 0.5; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(-20px); }
}