/**
 * animations.css - 애니메이션 스타일시트
 * 중고차매매 모바일앱 스타일
 * Antigravity 효과: Cosmic Void, Particle Galaxy, Comet Trail
 */

/* ========================================
   Keyframe Animations
   ======================================== */

/* Fade Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    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);
    }
}

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

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

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px var(--glow-primary);
    }
    50% {
        box-shadow: 0 0 40px var(--glow-primary), 0 0 60px var(--glow-secondary);
    }
}

@keyframes pulseBorder {
    0%, 100% {
        border-color: var(--primary);
    }
    50% {
        border-color: var(--secondary);
    }
}

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

@keyframes floatRotate {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-5px) rotate(2deg);
    }
    50% {
        transform: translateY(-10px) rotate(0deg);
    }
    75% {
        transform: translateY(-5px) rotate(-2deg);
    }
}

/* Slide Animations */
@keyframes slideLeft {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

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

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

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

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

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Cosmic Void Effect */
@keyframes cosmicVoid {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

@keyframes cosmicExpand {
    0%, 100% {
        transform: scale(1) translate(0, 0);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2) translate(5px, -5px);
        opacity: 0.8;
    }
}

/* Particle Animation */
@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
    25% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-10px) translateX(-5px);
        opacity: 0.6;
    }
    75% {
        transform: translateY(-30px) translateX(15px);
        opacity: 0.9;
    }
}

@keyframes particleSpin {
    0% {
        transform: rotate(0deg) translateX(50px) rotate(0deg);
    }
    100% {
        transform: rotate(360deg) translateX(50px) rotate(-360deg);
    }
}

/* Comet Trail Effect */
@keyframes cometTrail {
    0% {
        transform: translateX(-100%) translateY(100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%) translateY(-100%);
        opacity: 0;
    }
}

@keyframes cometGlow {
    0%, 100% {
        filter: blur(0px) brightness(1);
    }
    50% {
        filter: blur(2px) brightness(1.5);
    }
}

/* Star Twinkle */
@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Nebula Flow */
@keyframes nebulaFlow {
    0% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.2;
    }
    33% {
        transform: translate(30px, -20px) rotate(120deg);
        opacity: 0.4;
    }
    66% {
        transform: translate(-20px, 30px) rotate(240deg);
        opacity: 0.3;
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
        opacity: 0.2;
    }
}

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

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

/* Gradient Shift */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in-down {
    animation: fadeInDown 0.6s ease forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease forwards;
}

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

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

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

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

.float-rotate {
    animation: floatRotate 4s ease-in-out infinite;
}

/* Rotate Classes */
.rotate-animation {
    animation: rotate 10s linear infinite;
}

.rotate-reverse {
    animation: rotateReverse 10s linear infinite;
}

/* Shimmer Effect */
.shimmer {
    background: linear-gradient(
        90deg,
        var(--bg-card) 0%,
        var(--bg-elevated) 50%,
        var(--bg-card) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s ease-in-out infinite;
}

/* Cosmic Effects */
.cosmic-void {
    animation: cosmicVoid 8s ease-in-out infinite;
}

.cosmic-expand {
    animation: cosmicExpand 6s ease-in-out infinite;
}

/* Particle Effects */
.particle-float {
    animation: particleFloat 5s ease-in-out infinite;
}

.particle-spin {
    animation: particleSpin 20s linear infinite;
}

/* Comet Effect */
.comet-trail {
    animation: cometTrail 3s ease-in-out infinite;
}

.comet-glow {
    animation: cometGlow 1.5s ease-in-out infinite;
}

/* Star Effect */
.twinkle {
    animation: twinkle 2s ease-in-out infinite;
}

/* Nebula Effect */
.nebula-flow {
    animation: nebulaFlow 15s ease-in-out infinite;
}

/* Gradient Animation */
.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

/* ========================================
   Animation Delays
   ======================================== */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* ========================================
   Animation Durations
   ======================================== */
.duration-fast { animation-duration: 0.3s; }
.duration-normal { animation-duration: 0.5s; }
.duration-slow { animation-duration: 0.8s; }
.duration-slower { animation-duration: 1.2s; }

/* ========================================
   Scroll Reveal Animations
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered Reveal */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.6s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.7s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.8s; }

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

/* ========================================
   Hover Animations
   ======================================== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

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

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-shine {
    position: relative;
    overflow: hidden;
}

.hover-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 60%
    );
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.6s ease;
}

.hover-shine:hover::after {
    transform: translateX(100%) rotate(45deg);
}

/* ========================================
   Loading States
   ======================================== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-elevated);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

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

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 12px;
}

.skeleton-image {
    aspect-ratio: 16/9;
    margin-bottom: 16px;
}

/* ========================================
   Ripple Effect (for buttons)
   ======================================== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

/* ========================================
   Hero Slider Animations
   ======================================== */
.slider-container {
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-content {
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.slide.active .slide-content {
    opacity: 1;
}

/* Slider Navigation Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-elevated);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.slider-dot:hover {
    background: var(--primary-light);
}

/* Slider Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 20px;
}

.slider-arrow.next {
    right: 20px;
}

/* ========================================
   Map Region Animations
   ======================================== */
.region {
    transition: all 0.3s ease;
    cursor: pointer;
}

.region:hover {
    filter: drop-shadow(0 0 20px var(--glow-primary));
}

.region.active {
    animation: pulseBorder 1.5s ease-in-out infinite;
}

.region path,
.region ellipse {
    transition: fill 0.3s ease, stroke 0.3s ease;
}

.region:hover path,
.region:hover ellipse,
.region.active path,
.region.active ellipse {
    fill: var(--primary);
    stroke: var(--primary-light);
    stroke-width: 2;
}

/* ========================================
   Counter Animation
   ======================================== */
.counter {
    font-variant-numeric: tabular-nums;
}

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

.counter-animate {
    animation: countUp 0.5s ease forwards;
}

/* ========================================
   Notification Animations
   ======================================== */
.notification {
    animation: slideDown 0.3s ease forwards;
}

.notification.closing {
    animation: fadeInUp 0.3s ease reverse forwards;
}

/* ========================================
   Modal Animations
   ======================================== */
.modal-overlay {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
}

.modal-content {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* ========================================
   Accordion Animations
   ======================================== */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

/* ========================================
   Tab Animations
   ======================================== */
.tab-content {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    position: absolute;
    visibility: hidden;
}

.tab-content.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
    visibility: visible;
}

/* Tab Underline */
.tab-indicator {
    position: absolute;
    bottom: 0;
    height: 3px;
    background: var(--gradient-cosmic);
    transition: all 0.3s ease;
    border-radius: var(--radius-full);
}