/**
 * slider.css - 슬라이더 스타일
 * 블로그 자동화 웹사이트
 * Type: Slide (Simple), Speed: 500ms, Direction: horizontal
 */

/* ===========================
   Main Hero Slider
   =========================== */
.hero-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--color-gray-800) 100%);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
}

.slider-wrapper {
    display: flex;
    height: 100%;
    transition: transform 500ms ease-in-out;
}

.slider-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.slide-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(26, 26, 46, 0.8) 100%);
}

.slide-content {
    position: relative;
    z-index: 10;
    max-width: var(--container-lg);
    padding: 0 var(--space-6);
    text-align: center;
    color: var(--text-inverse);
}

.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
    animation: bounceIn 0.6s ease-out;
}

.slide-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.slide-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.slide-title .highlight {
    color: var(--color-gray-300);
    position: relative;
}

/* Antigravity Text Effect */
.antigravity-text {
    display: inline-block;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #60a5fa 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: antigravityFloat 3s ease-in-out infinite, gradientShift 4s ease infinite;
    text-shadow: 0 0 40px rgba(167, 139, 250, 0.5);
    filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.4));
    position: relative;
}

.antigravity-text::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #60a5fa 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
    filter: blur(8px);
    opacity: 0.6;
    z-index: -1;
}

@keyframes antigravityFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    25% {
        transform: translateY(-8px) scale(1.02);
    }
    50% {
        transform: translateY(-4px) scale(1.01);
    }
    75% {
        transform: translateY(-10px) scale(1.02);
    }
}

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

.slide-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: var(--line-height-relaxed);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.slide-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* ===========================
   Slider Navigation Arrows
   =========================== */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-inverse);
    cursor: pointer;
    z-index: 20;
    transition: var(--transition-base);
    opacity: 0.8;
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

.slider-nav svg {
    width: 24px;
    height: 24px;
}

.slider-prev {
    left: var(--space-6);
}

.slider-next {
    right: var(--space-6);
}

/* ===========================
   Slider Pagination
   =========================== */
.slider-pagination {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-3);
    z-index: 20;
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-base);
}

.pagination-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.pagination-dot.active {
    background: var(--text-inverse);
    width: 36px;
}

/* ===========================
   Slider Progress Bar
   =========================== */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 20;
}

.slider-progress-bar {
    height: 100%;
    background: var(--text-inverse);
    width: 0;
    transition: width linear;
}

.slider-progress-bar.animating {
    animation: progressBar 5s linear forwards;
}

@keyframes progressBar {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* ===========================
   Scroll Indicator
   =========================== */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-12);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-inverse);
    opacity: 0.7;
    animation: float 2s ease-in-out infinite;
    z-index: 20;
}

.scroll-indicator span {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid currentColor;
    border-radius: 12px;
    position: relative;
}

.scroll-mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: currentColor;
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

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

/* ===========================
   Content Slider (Blog, Portfolio, etc.)
   =========================== */
.content-slider {
    position: relative;
    padding: 0 var(--space-10);
}

.content-slider .slider-wrapper {
    overflow: hidden;
}

.content-slider .slides-container {
    display: flex;
    transition: transform 500ms ease-in-out;
}

.content-slider .slide-item {
    flex: 0 0 100%;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .content-slider .slide-item {
        flex: 0 0 50%;
    }
}

@media (min-width: 1024px) {
    .content-slider .slide-item {
        flex: 0 0 33.333%;
    }
}

.content-slider .slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.content-slider .slider-nav:hover {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
}

.content-slider .slider-prev {
    left: 0;
}

.content-slider .slider-next {
    right: 0;
}

/* ===========================
   Gallery Slider
   =========================== */
.gallery-slider {
    position: relative;
}

.gallery-slider .main-image {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.gallery-slider .main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-slider .thumbnails {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding: var(--space-2) 0;
}

.gallery-slider .thumb {
    flex: 0 0 80px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.gallery-slider .thumb:hover,
.gallery-slider .thumb.active {
    opacity: 1;
}

.gallery-slider .thumb.active {
    border-color: var(--primary);
}

.gallery-slider .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===========================
   Testimonial Slider
   =========================== */
.testimonial-slider {
    position: relative;
    padding: var(--space-8) 0;
}

.testimonial-slider .slider-wrapper {
    overflow: hidden;
}

.testimonial-slider .slides-container {
    display: flex;
    transition: transform 500ms ease-in-out;
}

.testimonial-slider .slide-item {
    flex: 0 0 100%;
    padding: 0 var(--space-4);
}

@media (min-width: 1024px) {
    .testimonial-slider .slide-item {
        flex: 0 0 50%;
    }
}

.testimonial-slider .pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
}

.testimonial-slider .pagination-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.testimonial-slider .pagination-dot.active {
    background: var(--primary);
    width: 24px;
}

/* ===========================
   Mobile Slider Adjustments
   =========================== */
@media (max-width: 640px) {
    .slider-container {
        height: 100vh;
        min-height: 500px;
    }

    .slide-title {
        font-size: var(--font-size-3xl);
    }

    .slide-description {
        font-size: var(--font-size-base);
    }

    .slider-nav {
        width: 44px;
        height: 44px;
    }

    .slider-nav svg {
        width: 20px;
        height: 20px;
    }

    .slider-prev {
        left: var(--space-3);
    }

    .slider-next {
        right: var(--space-3);
    }

    .slider-pagination {
        bottom: var(--space-6);
    }

    .pagination-dot {
        width: 10px;
        height: 10px;
    }

    .pagination-dot.active {
        width: 28px;
    }

    .scroll-indicator {
        display: none;
    }

    .content-slider {
        padding: 0 var(--space-8);
    }
}

/* ===========================
   Image Slider (Lightbox compatible)
   =========================== */
.image-slider {
    position: relative;
}

.image-slider .slides {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.image-slider .slide {
    display: none;
}

.image-slider .slide.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.image-slider .slide img {
    width: 100%;
    height: auto;
    display: block;
}

.image-slider .slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--text-inverse);
}

.image-slider .caption-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.image-slider .caption-text {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===========================
   Slider Animations
   =========================== */
@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(1.2);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.slide-animation-right {
    animation: slideInFromRight 0.5s ease-out;
}

.slide-animation-left {
    animation: slideInFromLeft 0.5s ease-out;
}

.slide-animation-zoom {
    animation: zoomIn 0.5s ease-out;
}

/* ===========================
   Auto-rotate indicator
   =========================== */
.autoplay-indicator {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-full);
    color: var(--text-inverse);
    font-size: var(--font-size-xs);
    z-index: 20;
    cursor: pointer;
}

.autoplay-indicator .pause-icon,
.autoplay-indicator .play-icon {
    width: 16px;
    height: 16px;
}

.autoplay-indicator .play-icon {
    display: none;
}

.autoplay-indicator.paused .pause-icon {
    display: none;
}

.autoplay-indicator.paused .play-icon {
    display: block;
}