/* ============================================
   JUSTLUST - Global Styles (Enhanced v2.0)
   Modern UI with Glassmorphism & Animations
   ============================================ */

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

/* Mobile Optimizations */
@import url('/css/mobile.css');

:root {
    /* Colors - Graffiti Theme (Enhanced) */
    --primary: #ff6b6b;
    --primary-light: #ff8a8a;
    --primary-dark: #e85555;
    --primary-glow: rgba(255, 107, 107, 0.4);

    --secondary: #4ecdc4;
    --secondary-light: #6ee0d8;
    --secondary-dark: #3db9b0;
    --secondary-glow: rgba(78, 205, 196, 0.4);

    --accent: #ffe66d;
    --accent-light: #ffed9c;
    --accent-dark: #e6cf5a;
    --accent-glow: rgba(255, 230, 109, 0.4);

    --neon-pink: #ff00ff;
    --neon-purple: #8a2be2;
    --neon-cyan: #00ffff;
    --neon-glow: rgba(255, 0, 255, 0.3);

    --dark: #1a1a2e;
    --darker: #0f0f1e;
    --darkest: #080812;
    --dark-glass: rgba(26, 26, 46, 0.8);

    --light: #f7f7f7;
    --gray: #95a5a6;
    --gray-light: #bdc3c7;
    --gray-dark: #7f8c8d;
    --text: #ffffff;
    --text-light: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    --success: #2ecc71;
    --success-dark: #27ae60;
    --danger: #e74c3c;
    --danger-dark: #c0392b;
    --warning: #f39c12;
    --info: #3498db;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    --gradient-neon: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    --gradient-shine: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);

    /* Borders */
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.2);
    --border-neon: rgba(255, 0, 255, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Border radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px var(--neon-glow);
    --shadow-neon-pink: 0 0 20px rgba(255, 0, 255, 0.5), 0 0 40px rgba(255, 0, 255, 0.3);
    --shadow-neon-cyan: 0 0 20px rgba(0, 255, 255, 0.5), 0 0 40px rgba(0, 255, 255, 0.3);

    /* Glass effect */
    --glass-bg: rgba(26, 26, 46, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    width: 100%;
    min-height: 100vh; /* Fallback */
    min-height: 100dvh; /* Dynamic viewport for Safari iPad */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--darker);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Only html should scroll to avoid double scrollbars */
html {
    overflow-y: auto;
    /* Firefox scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--primary) rgba(0, 0, 0, 0.3);
}

html::-webkit-scrollbar {
    width: 10px;
}

html::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

html::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 5px;
}

html::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary), var(--primary));
}

body {
    overflow-y: visible;
    display: flex;
    flex-direction: column;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
    background-attachment: fixed;
    /* Prevent body from having its own scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

body::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary), var(--neon-pink));
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
}
h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
}
h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
}
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

small {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-neon {
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-purple);
}

/* ============================================
   Links
   ============================================ */
a {
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

a:hover {
    color: var(--secondary-light);
}

/* Underline animation on hover */
a.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: width var(--transition-normal);
}

a.link-underline:hover::after {
    width: 100%;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    white-space: nowrap;
}

/* Shine effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-shine);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Button Variants */
.btn-primary {
    background: var(--gradient-primary);
}
.btn-primary:hover {
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
    background: var(--gradient-secondary);
}
.btn-secondary:hover {
    box-shadow: 0 8px 25px var(--secondary-glow);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--darker);
}
.btn-accent:hover {
    box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
}

.btn-neon {
    background: var(--gradient-neon);
    box-shadow: var(--shadow-neon-pink);
}
.btn-neon:hover {
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.6), 0 0 60px rgba(255, 0, 255, 0.4);
}

/* Outline Buttons */
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-outline-secondary {
    background: transparent;
    border: 2px solid var(--secondary);
    color: var(--secondary);
}

.btn-outline-secondary:hover {
    background: var(--secondary);
    color: var(--darker);
}

/* Ghost Buttons */
.btn-ghost {
    background: transparent;
    color: var(--text-light);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    box-shadow: none;
}

/* Glass Button */
.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-glow);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
}

/* Icon Button */
.btn-icon {
    padding: 0.75rem;
    border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
    padding: 0.5rem;
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm { max-width: 680px; }
.container-md { max-width: 960px; }
.container-lg { max-width: 1280px; }
.container-xl { max-width: 1440px; }

/* ============================================
   Navigation (Enhanced)
   ============================================ */
nav {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-normal);
}

nav.scrolled {
    background: rgba(15, 15, 30, 0.95);
    box-shadow: var(--shadow-lg);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-normal);
}

.logo:hover {
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.nav-links {
    display: flex;
    gap: var(--spacing-xs);
    list-style: none;
    align-items: center;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    white-space: nowrap;
    line-height: 1;
    color: var(--text-light);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon-pink);
}

/* ============================================
   Main Content
   ============================================ */
main {
    flex: 1;
    padding: var(--spacing-xl) 0;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Cards (Glassmorphism)
   ============================================ */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-shine);
    opacity: 0.5;
}

.card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0;
}

.card-body {
    flex: 1;
}

.card-footer {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Card Variants */
.card-solid {
    background: var(--dark);
    backdrop-filter: none;
}

.card-neon {
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.2);
}

.card-neon:hover {
    box-shadow: var(--shadow-neon-pink);
}

/* Interactive Card */
.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-6px) scale(1.02);
}

.card-interactive:active {
    transform: translateY(-2px) scale(1);
}

/* ============================================
   Grid System
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Flexbox Utilities
   ============================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-light);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(15, 15, 30, 0.8);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-control:hover {
    border-color: var(--border-light);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: var(--darker);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Input with icon */
.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-group .form-control {
    padding-left: 3rem;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ============================================
   Alerts & Messages
   ============================================ */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
    backdrop-filter: var(--glass-blur);
    animation: slideInRight 0.3s ease-out;
}

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

.alert-success {
    background: rgba(46, 204, 113, 0.15);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(78, 205, 196, 0.15);
    border-color: var(--secondary);
    color: var(--secondary);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: var(--primary); color: white; }
.badge-secondary { background: var(--secondary); color: var(--darker); }
.badge-accent { background: var(--accent); color: var(--darker); }
.badge-success { background: var(--success); color: white; }
.badge-danger { background: var(--danger); color: white; }

.badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

.badge-glow {
    box-shadow: 0 0 10px currentColor;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-bar-secondary { background: var(--gradient-secondary); }
.progress-bar-accent { background: var(--gradient-accent); }
.progress-bar-success { background: linear-gradient(90deg, var(--success), var(--success-dark)); }

/* ============================================
   Loading States
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-sm { width: 20px; height: 20px; border-width: 2px; }
.spinner-lg { width: 60px; height: 60px; border-width: 4px; }

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   Tooltips
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 0.5rem 0.75rem;
    background: var(--dark);
    color: var(--text);
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    border: 1px solid var(--border);
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   Modals
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-bounce);
    max-width: 90vw;
    max-height: 90vh;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   Dividers
   ============================================ */
.divider {
    height: 1px;
    background: var(--border);
    margin: var(--spacing-md) 0;
}

.divider-neon {
    background: linear-gradient(90deg, transparent, var(--neon-pink), transparent);
}

/* ============================================
   Spacing Utilities
   ============================================ */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }
.m-5 { margin: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* ============================================
   Text Utilities
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.uppercase { text-transform: uppercase; letter-spacing: 1px; }
.capitalize { text-transform: capitalize; }

/* ============================================
   Display Utilities
   ============================================ */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ============================================
   Position Utilities
   ============================================ */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* ============================================
   Animations
   ============================================ */
.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

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

.animate-slide-down {
    animation: slideDown 0.5s ease-out;
}

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

.animate-scale-in {
    animation: scaleIn 0.3s ease-out;
}

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

.animate-bounce {
    animation: bounce 1s infinite;
}

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--neon-glow); }
    50% { box-shadow: 0 0 40px var(--neon-glow), 0 0 60px rgba(255, 0, 255, 0.3); }
}

/* Stagger animations for lists */
.stagger-animation > * {
    animation: fadeIn 0.5s ease-out backwards;
}

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

/* ============================================
   Hover Effects
   ============================================ */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

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

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

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

.hover-border {
    transition: border-color var(--transition-normal);
}

.hover-border:hover {
    border-color: var(--primary);
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .container { padding: 0 var(--spacing-sm); }

    main { padding: var(--spacing-md) 0; }
}

@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
}

/* ============================================
   Skeleton Loaders
   Animated placeholders for loading states
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}

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

/* Skeleton variants */
.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
    border-radius: 4px;
}

.skeleton-text.short { width: 40%; }
.skeleton-text.medium { width: 70%; }
.skeleton-text.long { width: 100%; }

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-avatar.sm { width: 32px; height: 32px; }
.skeleton-avatar.lg { width: 64px; height: 64px; }

.skeleton-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
}

.skeleton-button {
    height: 36px;
    width: 100px;
    border-radius: 8px;
}

.skeleton-card {
    padding: 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Paintstagram card skeleton */
.skeleton-artwork-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.skeleton-artwork-card .skeleton-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
}

.skeleton-artwork-card .skeleton-image {
    aspect-ratio: 1;
    border-radius: 0;
}

.skeleton-artwork-card .skeleton-footer {
    padding: 12px;
    display: flex;
    gap: 16px;
}

/* Leaderboard row skeleton */
.skeleton-leaderboard-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.skeleton-leaderboard-row .skeleton-rank {
    width: 40px;
    height: 24px;
    border-radius: 4px;
}

.skeleton-leaderboard-row .skeleton-stats {
    display: flex;
    gap: 24px;
    margin-left: auto;
}

.skeleton-leaderboard-row .skeleton-stat {
    width: 60px;
    height: 20px;
    border-radius: 4px;
}

/* Battle card skeleton */
.skeleton-battle-card {
    background: var(--dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }

    nav, .btn, .modal { display: none !important; }

    .card {
        border: 1px solid #ccc;
        background: white;
    }
}