/* Design Tokens */
:root {
    --color-primary: #7C3AED;
    --color-primary-dark: #6D28D9;
    --color-primary-light: #A78BFA;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-bg: #FFFFFF;
    --color-bg-light: #F9FAFB;
    --color-border: #E5E7EB;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(124, 58, 237, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg-light);
    color: var(--color-text);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-slides {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide {
    min-width: 100%;
    position: relative;
}

.hero-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s;
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
}

.hero-carousel:hover .hero-nav-btn {
    opacity: 1;
}

.hero-nav-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.hero-nav-btn.prev { left: 20px; }
.hero-nav-btn.next { right: 20px; }

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.hero-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.hero-indicator.active {
    background: white;
    transform: scale(1.2);
}

/* Category Row */
.category-row {
    position: relative;
    margin-bottom: 3rem;
    padding: 0 4%;
}

.category-header {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-all-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.2s;
}

.view-all-link:hover {
    color: var(--color-primary-dark);
}

/* Slider Container */
.slider-container {
    position: relative;
    padding: 0;
}

.slider-nav-btn {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50px;
    background: linear-gradient(to right, rgba(249, 250, 251, 0.98), transparent);
    border: none;
    cursor: pointer;
    z-index: 10;
    color: var(--color-primary);
    font-size: 2rem;
    opacity: 0;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-nav-btn.next {
    background: linear-gradient(to left, rgba(249, 250, 251, 0.98), transparent);
}

.slider-container:hover .slider-nav-btn {
    opacity: 1;
}

.slider-nav-btn.prev {
    left: 0;
}

.slider-nav-btn.next {
    right: 0;
}

.slider-track {
    display: flex;
    gap: 1rem;
    overflow-x: scroll;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 8px 0;
}

.slider-track::-webkit-scrollbar {
    display: none;
}

/* Theme Card */
.theme-card {
    min-width: 280px;
    flex: 0 0 280px;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.theme-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.theme-card-image-wrapper {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f3f4f6;
    position: relative;
}

.theme-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.theme-card-content {
    padding: 1rem;
}

.theme-card-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    margin-bottom: 0.5rem;
}

.theme-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.theme-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.theme-card-views {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.theme-card-btn {
    width: 100%;
    padding: 0.625rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.theme-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(124, 58, 237, 0.3);
}

/* Responsive */
@media (max-width: 1200px) {
    .theme-card {
        min-width: 260px;
        flex: 0 0 260px;
    }
}

@media (max-width: 768px) {
    .theme-card {
        min-width: 240px;
        flex: 0 0 240px;
    }
    
    .hero-nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .category-row {
        padding: 0 2%;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 500px) {
    .theme-card {
        min-width: 200px;
        flex: 0 0 200px;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}