/* ============================================
   DARK CARTOON THEME DESIGN SYSTEM
   Professional $100M Project Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Dark Theme Color Palette */
    --bg-primary: #0A0A0F;
    --bg-secondary: #141420;
    --bg-tertiary: #1A1A2E;
    --bg-card: #1E1E35;
    --bg-card-hover: #252540;
    
    /* Vibrant Accents */
    --accent-purple: #A855F7;
    --accent-purple-dark: #9333EA;
    --accent-purple-light: #C084FC;
    --accent-teal: #14B8A6;
    --accent-teal-dark: #0D9488;
    --accent-blue: #3B82F6;
    --accent-pink: #EC4899;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #E5E7EB;
    --text-tertiary: #9CA3AF;
    --text-muted: #6B7280;
    
    /* Gradients */
    --gradient-purple: linear-gradient(135deg, #A855F7 0%, #9333EA 50%, #7C3AED 100%);
    --gradient-dark: linear-gradient(135deg, #0A0A0F 0%, #141420 50%, #1A1A2E 100%);
    --gradient-hero: linear-gradient(135deg, #1A1A2E 0%, #0A0A0F 50%, #141420 100%);
    
    /* Shadows & Glows */
    --glow-purple: 0 0 30px rgba(168, 85, 247, 0.4);
    --glow-teal: 0 0 30px rgba(20, 184, 166, 0.4);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 16px 48px rgba(168, 85, 247, 0.3);
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 9999px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Floating Glowing Shapes Animation */
@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
        opacity: 0.8;
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
        opacity: 0.7;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(168, 85, 247, 0.6);
    }
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
}

.floating-shape-purple {
    background: var(--accent-purple);
    opacity: 0.3;
}

.floating-shape-teal {
    background: var(--accent-teal);
    opacity: 0.2;
}

.floating-shape-blue {
    background: var(--accent-blue);
    opacity: 0.25;
}

/* Cards - Cartoonish Rounded Style */
.card-dark {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(168, 85, 247, 0.1);
    box-shadow: var(--shadow-card);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card-dark:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168, 85, 247, 0.3);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

/* Buttons - Pill Shaped */
.btn-pill {
    border-radius: var(--radius-pill);
    padding: 0.75rem 1.5rem;
    font-weight: var(--font-weight-semibold);
    font-size: 0.9375rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    min-height: 44px;
}

.btn-primary {
    background: var(--gradient-purple);
    color: var(--text-primary);
    box-shadow: var(--glow-purple);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-teal {
    background: var(--accent-teal);
    color: var(--text-primary);
    box-shadow: var(--glow-teal);
}

.btn-teal:hover {
    background: var(--accent-teal-dark);
    transform: translateY(-2px);
}

/* Navbar */
.navbar-dark {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-dark .logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-dark .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color 0.3s ease;
    position: relative;
}

.navbar-dark .nav-link:hover {
    color: var(--accent-purple-light);
}

.navbar-dark .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple);
    transition: width 0.3s ease;
}

.navbar-dark .nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-dark {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding: 8rem 0 6rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(20, 184, 166, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

/* Section Headers */
.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-black);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-tertiary);
    text-align: center;
    margin-bottom: 3rem;
}

/* Badge/Pill Labels */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-purple {
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple-light);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-teal {
    background: rgba(20, 184, 166, 0.2);
    color: var(--accent-teal);
    border: 1px solid rgba(20, 184, 166, 0.3);
}

/* NFT Card Style */
.nft-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(168, 85, 247, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nft-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: var(--shadow-card-hover);
}

.nft-card-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-secondary);
}

.nft-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nft-card:hover .nft-card-overlay {
    opacity: 1;
}

.nft-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-pill);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
}

.nft-card-timer {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-pill);
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    font-family: var(--font-mono);
}

.nft-card-body {
    padding: 1.5rem;
}

.nft-card-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nft-card-creator {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.nft-card-creator-name {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.nft-card-price {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.75rem;
}

.nft-card-price-value {
    color: var(--accent-purple-light);
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
}

/* Profile Circles */
.profile-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--accent-purple);
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
}

.profile-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-verified {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 24px;
    height: 24px;
    background: var(--accent-teal);
    border-radius: 50%;
    border: 2px solid var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Utility Classes */
.text-gradient-purple {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-dark {
        padding: 6rem 0 4rem;
        min-height: auto;
    }
    
    .card-dark {
        border-radius: var(--radius-md);
    }
    
    .btn-pill {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}

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

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

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

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

/* Grid Layouts */
.grid-nft {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-nft {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
}