/* === ENHANCED MODERN UI THEME === */
:root {
    /* Modern color palette with enhanced depth */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4338ca;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-primary: #0a0d1a;
    --bg-secondary: #1a1d29;
    --bg-tertiary: #252941;
    --bg-card: rgba(26, 29, 41, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.08);
    --bg-glass-strong: rgba(255, 255, 255, 0.12);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(99, 102, 241, 0.4);
    
    /* Enhanced shadows with color temperature */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.2), 0 8px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25), 0 12px 25px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.5), 0 0 60px rgba(99, 102, 241, 0.25);
    --shadow-glow-hover: 0 0 40px rgba(99, 102, 241, 0.7), 0 0 80px rgba(99, 102, 241, 0.3);
    --shadow-success: 0 0 25px rgba(16, 185, 129, 0.4);
    --shadow-error: 0 0 25px rgba(239, 68, 68, 0.4);
    
    /* Enhanced typography scale */
    --font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Enhanced spacing system */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    
    /* Modern border radius system */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;
    
    /* Advanced transition system */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
}

/* Enhanced animated background with particle effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -2;
    animation: backgroundFlow 25s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
    animation: particleFloat 40s linear infinite;
}

@keyframes backgroundFlow {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1) rotate(0deg);
        filter: hue-rotate(0deg);
    }
    25% { 
        opacity: 0.8; 
        transform: scale(1.1) rotate(2deg);
        filter: hue-rotate(15deg);
    }
    50% { 
        opacity: 0.9; 
        transform: scale(0.95) rotate(-1deg);
        filter: hue-rotate(30deg);
    }
    75% { 
        opacity: 0.85; 
        transform: scale(1.05) rotate(1deg);
        filter: hue-rotate(15deg);
    }
}

@keyframes particleFloat {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-10px, -15px) rotate(90deg); }
    50% { transform: translate(15px, -25px) rotate(180deg); }
    75% { transform: translate(-5px, 10px) rotate(270deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

/* === MODERN NAVIGATION SYSTEM === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 13, 26, 0.8);
    backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(99, 102, 241, 0.5), 
        rgba(139, 92, 246, 0.5),
        rgba(6, 182, 212, 0.5),
        transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 13, 26, 0.95);
    border-bottom-color: var(--border-glow);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.navbar.scrolled::before {
    opacity: 1;
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
    transition: padding var(--transition-normal);
}

/* Premium brand design with advanced effects */
.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 800;
    font-size: var(--font-size-xl);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-bounce);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.nav-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.1),
        rgba(139, 92, 246, 0.08),
        rgba(6, 182, 212, 0.06));
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: inherit;
}

.nav-brand:hover::before {
    opacity: 1;
}

.nav-brand:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: var(--shadow-glow-hover);
}

.brand-icon {
    font-size: var(--font-size-3xl);
    background: linear-gradient(135deg, 
        var(--primary-color), 
        var(--secondary-color), 
        var(--accent-color),
        var(--success-color));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 12px rgba(99, 102, 241, 0.5));
    transition: all var(--transition-normal);
    animation: gradientFlow 6s ease-in-out infinite;
    position: relative;
}

.nav-brand:hover .brand-icon {
    filter: drop-shadow(0 6px 20px rgba(99, 102, 241, 0.8));
    transform: rotate(-5deg) scale(1.1);
    animation-duration: 2s;
}

.brand-badge {
    background: linear-gradient(135deg, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color));
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    box-shadow: var(--shadow-glow);
    animation: badgePulse 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brand-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.6s ease;
}

.nav-brand:hover .brand-badge::before {
    left: 100%;
}

.brand-badge::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.nav-brand:hover .brand-badge::after {
    width: 100%;
    height: 100%;
}

@keyframes badgePulse {
    0%, 100% { 
        box-shadow: var(--shadow-glow);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.9), 0 0 80px rgba(99, 102, 241, 0.4);
        transform: scale(1.05);
    }
}

@keyframes gradientFlow {
    0%, 100% { 
        background-position: 0% 50%; 
        filter: hue-rotate(0deg);
    }
    33% { 
        background-position: 100% 50%; 
        filter: hue-rotate(120deg);
    }
    66% { 
        background-position: 0% 100%; 
        filter: hue-rotate(240deg);
    }
}

/* Enhanced navigation menu with micro-interactions */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-xs);
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-2xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    backdrop-filter: blur(10px);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(99, 102, 241, 0.2), 
        transparent);
    transition: left var(--transition-slow);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color));
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover::after {
    width: 90%;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass-strong);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-glow);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.15);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.nav-link.active::after {
    width: 90%;
}

/* Premium profile section with status animations */
.nav-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-2xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px) saturate(180%);
    position: relative;
    overflow: hidden;
}

.nav-profile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color),
        transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-profile::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-normal);
    z-index: -1;
}

.nav-profile:hover::before {
    opacity: 1;
}

.nav-profile:hover::after {
    width: 200%;
    height: 200%;
}

.nav-profile:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-glow);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.profile-name {
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    margin-bottom: 3px;
    letter-spacing: 0.3px;
}

.profile-status {
    font-size: var(--font-size-xs);
    color: var(--success-color);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-status::before {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--success-color);
    border-radius: 50%;
    animation: statusPulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 0 0 var(--success-color);
    position: relative;
}

.profile-status::after {
    content: '';
    position: absolute;
    left: -2px;
    top: 50%;
    width: 14px;
    height: 14px;
    border: 2px solid var(--success-color);
    border-radius: 50%;
    transform: translateY(-50%);
    opacity: 0;
    animation: statusRing 2.5s ease-in-out infinite;
}

@keyframes statusPulse {
    0% { 
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8);
    }
    70% { 
        transform: scale(1);
        box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
    }
    100% { 
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

@keyframes statusRing {
    0% { 
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
    50% { 
        opacity: 1;
        transform: translateY(-50%) scale(1.2);
    }
    100% { 
        opacity: 0;
        transform: translateY(-50%) scale(1.5);
    }
}

/* Advanced mobile menu with smooth animations */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    cursor: pointer;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    backdrop-filter: blur(15px);
}

.mobile-menu-toggle:hover {
    background: var(--bg-glass-strong);
    border-color: var(--border-glow);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle span {
    width: 32px;
    height: 3px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
    transform-origin: center;
    position: relative;
}

.mobile-menu-toggle span::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-menu-toggle:hover span::before {
    opacity: 1;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0) rotate(180deg);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(10px, -10px);
}

.mobile-menu-toggle.active span::before {
    opacity: 1;
}

/* === ENHANCED MAIN CONTENT === */
.main-content {
    margin-top: 100px;
    padding: var(--spacing-2xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.content-section {
    display: none;
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: 
        opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
        transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: contentReveal 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes contentReveal {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.95) rotateX(10deg);
        filter: blur(10px);
    }
    50% {
        opacity: 0.8;
        transform: translateY(20px) scale(0.98) rotateX(5deg);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
        filter: blur(0px);
    }
}

/* Premium section headers with advanced glassmorphism */
.section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-4xl);
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding: var(--spacing-3xl);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.12), 
        rgba(255, 255, 255, 0.06),
        rgba(255, 255, 255, 0.02));
    border-radius: var(--radius-3xl);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(30px) saturate(180%);
    position: relative;
    overflow: hidden;
    box-shadow: 
        var(--shadow-xl),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        var(--secondary-color), 
        var(--accent-color),
        var(--success-color),
        transparent);
    opacity: 0.9;
    animation: borderFlow 8s ease-in-out infinite;
}

.section-header::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: conic-gradient(
        from 0deg,
        transparent,
        rgba(99, 102, 241, 0.03),
        transparent,
        rgba(139, 92, 246, 0.02),
        transparent
    );
    animation: conicRotate 30s linear infinite;
    pointer-events: none;
}

@keyframes borderFlow {
    0%, 100% { 
        background-position: 0% 50%;
        opacity: 0.9;
    }
    50% { 
        background-position: 100% 50%;
        opacity: 1;
    }
}

@keyframes conicRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.header-content {
    flex: 1;
    min-width: 300px;
    position: relative;
    z-index: 1;
}

.header-content h1 {
    font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-5xl));
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, 
        var(--text-primary) 0%,
        var(--primary-color) 25%, 
        var(--secondary-color) 50%,
        var(--accent-color) 75%,
        var(--success-color) 100%);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease-in-out infinite;
    line-height: 1.1;
    letter-spacing: -2px;
    text-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    position: relative;
}

.header-content h1::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        transparent,
        rgba(99, 102, 241, 0.1),
        transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: -1;
    animation: textGlow 4s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { 
        filter: blur(0px);
        opacity: 0;
    }
    100% { 
        filter: blur(20px);
        opacity: 0.5;
    }
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    font-weight: 400;
    line-height: 1.7;
    margin-top: var(--spacing-lg);
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.3px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Premium button system with advanced effects */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: none;
    border-radius: var(--radius-2xl);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(15px);
    border: 1px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.25), 
        transparent);
    transition: left 0.6s ease;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

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

.btn:hover::after {
    width: 300%;
    height: 300%;
}

.btn-primary {
    background: linear-gradient(135deg, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color));
    color: white;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.btn-primary::before {
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow-hover);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(-2px) scale(1.02);
    transition: all 0.1s ease;
}

.btn-secondary {
    background: var(--bg-glass-strong);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--border-glow);
    transform: translateY(-3px) scale(1.03);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

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

.btn-outline::after {
    background: var(--primary-color);
    opacity: 0.1;
}

.btn-outline:hover {
    color: white;
    background: var(--primary-color);
    transform: translateY(-3px) scale(1.03);
    box-shadow: var(--shadow-glow);
}

/* Enhanced card system with depth */
.card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(255, 255, 255, 0.05));
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(25px) saturate(180%);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.5), 
        transparent);
    opacity: 0.8;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--border-glow);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15), 
        rgba(255, 255, 255, 0.08));
}

/* Enhanced form elements */
.form-group {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    backdrop-filter: blur(15px);
    position: relative;
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-glow);
    background: rgba(255, 255, 255, 0.12);
}

/* Status indicators and badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.5s ease;
}

.status-badge:hover::before {
    left: 100%;
}

.status-success {
    background: linear-gradient(135deg, 
        var(--success-color), 
        rgba(16, 185, 129, 0.8));
    color: white;
    box-shadow: var(--shadow-success);
}

.status-warning {
    background: linear-gradient(135deg, 
        var(--warning-color), 
        rgba(245, 158, 11, 0.8));
    color: white;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.status-error {
    background: linear-gradient(135deg, 
        var(--error-color), 
        rgba(239, 68, 68, 0.8));
    color: white;
    box-shadow: var(--shadow-error);
}

/* Enhanced loading states */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.loading-spinner::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1.5s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress bars with gradient effects */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, 
        var(--primary-color), 
        var(--secondary-color),
        var(--accent-color));
    border-radius: inherit;
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    animation: progressShimmer 2s ease-in-out infinite;
}

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

/* Responsive design enhancements */
@media (max-width: 1024px) {
    .nav-container {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .main-content {
        padding: var(--spacing-xl);
    }
    
    .section-header {
        padding: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 13, 26, 0.98);
        backdrop-filter: blur(40px);
        flex-direction: column;
        padding: var(--spacing-3xl) var(--spacing-2xl);
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-modal);
    }
    
    .nav-menu::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, 
            var(--primary-color), 
            var(--secondary-color),
            var(--accent-color));
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-xl);
        margin-bottom: var(--spacing-md);
        font-size: var(--font-size-lg);
        border-radius: var(--radius-xl);
    }
    
    .nav-profile {
        order: -1;
        margin-bottom: var(--spacing-xl);
        justify-content: center;
        padding: var(--spacing-xl);
    }
    
    .nav-container {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .main-content {
        padding: var(--spacing-lg);
        margin-top: 85px;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-2xl) var(--spacing-xl);
        gap: var(--spacing-2xl);
    }
    
    .header-content {
        min-width: unset;
    }
    
    .header-content h1 {
        font-size: clamp(var(--font-size-2xl), 8vw, var(--font-size-4xl));
        letter-spacing: -1px;
    }
    
    .header-actions {
        justify-content: center;
        width: 100%;
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-sm);
    }
    
    .card {
        padding: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .section-header {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .header-content h1 {
        font-size: clamp(var(--font-size-xl), 10vw, var(--font-size-3xl));
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-xs);
        gap: var(--spacing-sm);
    }
    
    .nav-brand {
        font-size: var(--font-size-lg);
    }
    
    .brand-icon {
        font-size: var(--font-size-2xl);
    }
}

/* Dark mode optimizations */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(5, 5, 5, 0.9);
        border-bottom-color: rgba(255, 255, 255, 0.05);
    }
    
    .navbar.scrolled {
        background: rgba(5, 5, 5, 0.98);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .section-header {
        background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.06), 
            rgba(255, 255, 255, 0.02));
        border-color: rgba(255, 255, 255, 0.05);
    }
    
    .card {
        background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.08), 
            rgba(255, 255, 255, 0.03));
        border-color: rgba(255, 255, 255, 0.08);
    }
}

/* Accessibility and motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    body::before,
    body::after,
    .brand-badge,
    .profile-status::before,
    .header-content h1,
    .section-header::after,
    .progress-fill::after {
        animation: none !important;
    }
}

/* High contrast mode enhancements */
@media (prefers-contrast: high) {
    .nav-link {
        border: 2px solid transparent;
    }
    
    .nav-link:hover,
    .nav-link.active {
        border-color: var(--primary-color);
        background: rgba(99, 102, 241, 0.3);
    }
    
    .nav-profile {
        border-width: 2px;
    }
    
    .section-header {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .form-input {
        border-width: 2px;
    }
}

/* Focus styles for keyboard navigation */
.nav-link:focus,
.nav-profile:focus,
.mobile-menu-toggle:focus,
.btn:focus,
.form-input:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.2);
}

/* Print styles */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .nav-profile {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .section-header {
        break-inside: avoid;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}