/* Root Variables - Matching Xenforo Forum Theme */
:root {
    --bg-primary: #1a1d2e;
    --bg-secondary: #22263a;
    --bg-tertiary: #2a2e42;
    --accent-pink: #e91e63;
    --accent-purple: #9c27b0;
    --accent-blue: #6366f1;
    --text-primary: #ffffff;
    --text-secondary: #b8c1d9;
    --text-muted: #8b92a7;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 30px 90px rgba(0, 0, 0, 0.7);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.forum-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0;
}

/* Slider Wrapper */
.slider-wrapper {
    position: relative;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto 40px auto;
    padding: 20px;
}

/* Slider Container */
.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

/* Slider Track */
.slider-track {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Individual Slide */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* Slide Link */
.slide-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    cursor: pointer;
    position: relative;
}

.slide-link:hover .slide-overlay {
    background: linear-gradient(
        180deg,
        rgba(26, 29, 46, 0) 0%,
        rgba(156, 39, 176, 0.15) 50%,
        rgba(233, 30, 99, 0.25) 100%
    );
}

.slide-link:hover .slide-content img {
    transform: scale(1.02);
}

.slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    z-index: 1;
}

.slide.prev {
    opacity: 0;
    transform: scale(0.95) translateX(-100px);
}

.slide.next-preparing {
    opacity: 0;
    transform: scale(0.95) translateX(100px);
}

/* Slide Content */
.slide-content {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide-content img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: block;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Slide Overlay with Subtle Gradient */
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(26, 29, 46, 0) 0%,
        rgba(26, 29, 46, 0.15) 50%,
        rgba(26, 29, 46, 0.4) 100%
    );
    pointer-events: none;
    transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Slide Title Overlay */
.slide-title-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 40px;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
    background: linear-gradient(
        180deg,
        rgba(26, 29, 46, 0) 0%,
        rgba(26, 29, 46, 0.85) 100%
    );
}

.slide-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    margin: 0;
    padding: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    letter-spacing: -0.01em;
    position: relative;
    padding-left: 16px;
    border-left: 3px solid;
    border-image: linear-gradient(180deg, var(--accent-pink), var(--accent-purple)) 1;
}

/* Hide title on hover */
.slide-link:hover .slide-title-overlay {
    opacity: 0;
}

/* Navigation Arrows - Minimal Design */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(26, 29, 46, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.slider-nav:hover {
    background: rgba(156, 39, 176, 0.8);
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
    border-color: rgba(233, 30, 99, 0.5);
}

.slider-nav:active {
    transform: translateY(-50%) scale(0.95);
}

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

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

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

/* Dots Navigation - Minimal Design */
.slider-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    background: rgba(26, 29, 46, 0.5);
    backdrop-filter: blur(10px);
    padding: 10px 16px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.dot.active {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    width: 28px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(233, 30, 99, 0.4);
}

/* Progress Bar - Minimal */
.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    z-index: 10;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
    transition: width 0.1s linear;
    opacity: 0.8;
}

/* Forum Activities Section */
.forum-activities {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 30px;
    margin: 0 20px 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .slider-container {
        height: 400px;
    }

    .slide-title-overlay {
        padding: 25px 30px;
    }

    .slide-title {
        font-size: 1.35rem;
        padding-left: 14px;
    }

    .slider-nav {
        width: 45px;
        height: 45px;
    }

    .slider-nav.prev {
        left: 15px;
    }

    .slider-nav.next {
        right: 15px;
    }
}

@media (max-width: 768px) {
    .slider-wrapper {
        padding: 10px;
    }

    .slider-container {
        height: 350px;
        border-radius: 15px;
    }

    .slide-title-overlay {
        padding: 20px 20px;
    }

    .slide-title {
        font-size: 1.15rem;
        padding-left: 12px;
        border-left-width: 2px;
    }

    .slider-nav {
        width: 45px;
        height: 45px;
    }

    .slider-nav.prev {
        left: 15px;
    }

    .slider-nav.next {
        right: 15px;
    }

    .slider-dots {
        bottom: 20px;
        gap: 8px;
        padding: 8px 14px;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .dot.active {
        width: 24px;
    }

    .forum-activities {
        margin: 0 10px 10px;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .slider-container {
        height: 300px;
    }

    .slide-title-overlay {
        padding: 18px 15px;
    }

    .slide-title {
        font-size: 1rem;
        padding-left: 10px;
        border-left-width: 2px;
    }

    .slider-nav {
        width: 40px;
        height: 40px;
    }

    .slider-nav.prev {
        left: 10px;
    }

    .slider-nav.next {
        right: 10px;
    }

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

    .slider-dots {
        bottom: 15px;
        padding: 8px 12px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .slide,
    .slide-btn,
    .slider-nav,
    .dot,
    .progress-fill {
        transition: none;
        animation: none;
    }
}

/* Loading State */
.slider-container.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Smooth Animations */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}