/* ===================================
   PREMIUM DESIGN SYSTEM - TRILLION DOLLAR STANDARD
   =================================== */

:root {
    /* Primary Color Palette - Enterprise Grade */
    --primary-900: #0a0e27;
    --primary-800: #1a2347;
    --primary-700: #2a3a67;
    --primary-600: #3a5187;
    --primary-500: #4a68a7;
    --primary-400: #6a85c7;
    --primary-300: #8aa2e7;
    --primary-200: #bad0ff;
    --primary-100: #e0eeff;
    
    /* Accent Colors - Premium Gold */
    --gold-500: #d4af37;
    --gold-400: #e6c658;
    --gold-300: #f2df7b;
    --gold-200: #fbe8a3;
    --gold-100: #fff3d6;
    
    /* Success Colors - Professional Green */
    --success-500: #10b981;
    --success-400: #34d399;
    --success-300: #6ee7b7;
    --success-200: #a7f3d0;
    --success-100: #d1fae5;
    
    /* Warning Colors - Sophisticated Amber */
    --warning-500: #f59e0b;
    --warning-400: #fbbf24;
    --warning-300: #fcd34d;
    --warning-200: #fde68a;
    --warning-100: #fef3c7;
    
    /* Danger Colors - Professional Red */
    --danger-500: #ef4444;
    --danger-400: #f87171;
    --danger-300: #fca5a5;
    --danger-200: #fecaca;
    --danger-100: #fee2e2;
    
    /* Neutral Colors - Enterprise Gray */
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    
    /* White Variants */
    --white: #ffffff;
    --white-95: rgba(255, 255, 255, 0.95);
    --white-90: rgba(255, 255, 255, 0.90);
    --white-10: rgba(255, 255, 255, 0.10);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows - Premium Multi-layer */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-premium: 0 32px 64px -12px rgba(10, 14, 39, 0.25), 0 16px 32px -4px rgba(10, 14, 39, 0.15);
    --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.3);
    
    /* Gradients - Sophisticated */
    --gradient-primary: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    --gradient-gold: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 100%);
    --gradient-success: linear-gradient(135deg, var(--success-500) 0%, var(--success-400) 100%);
    --gradient-hero: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
    --gradient-card: linear-gradient(135deg, var(--white-95) 0%, var(--white-90) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Premium Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

h1 { font-size: 3.5rem; font-weight: 800; }
h2 { font-size: 2.5rem; font-weight: 700; }
h3 { font-size: 2rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

/* Premium Header */
.premium-header {
    background: var(--gradient-hero);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.premium-header.scrolled {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.premium-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-8);
    max-width: 1400px;
    margin: 0 auto;
}

.premium-logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.premium-nav-links {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.premium-nav-link {
    color: var(--gray-200);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
}

.premium-nav-link:hover {
    color: var(--gold-400);
}

.premium-nav-link.active {
    color: var(--gold-400);
}

.premium-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    border-radius: var(--radius-full);
}

/* Premium Hero Section */
.premium-hero {
    background: var(--gradient-hero);
    padding: calc(120px + var(--space-20)) var(--space-8) var(--space-20);
    position: relative;
    overflow: hidden;
}

.premium-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.premium-hero-content {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.premium-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.premium-hero-text h1 {
    color: var(--white);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out;
}

.premium-hero-text p {
    color: var(--gray-200);
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.premium-hero-visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Premium Cards */
.premium-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-premium);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.premium-card:hover::before {
    transform: scaleX(1);
}

.premium-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.premium-card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gold-400);
}

.premium-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.premium-card-description {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

/* Premium Metrics */
.premium-metric {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.premium-metric:hover {
    border-color: var(--gold-400);
    box-shadow: var(--shadow-lg);
}

.premium-metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-700);
    font-family: var(--font-secondary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.premium-metric-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.premium-metric-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.premium-metric-change.positive {
    color: var(--success-600);
    background: var(--success-100);
}

.premium-metric-change.negative {
    color: var(--danger-600);
    background: var(--danger-100);
}

/* Premium Buttons */
.premium-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.premium-btn-primary {
    background: var(--gradient-gold);
    color: var(--gray-900);
}

.premium-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.premium-btn-secondary {
    background: var(--gradient-primary);
    color: var(--white);
}

.premium-btn-secondary:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.premium-btn-outline {
    background: transparent;
    color: var(--gold-400);
    border: 2px solid var(--gold-400);
}

.premium-btn-outline:hover {
    background: var(--gold-400);
    color: var(--gray-900);
}

/* Premium Dashboard */
.premium-dashboard {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

.premium-dashboard-header {
    margin-bottom: var(--space-8);
}

.premium-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.premium-dashboard-section {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.premium-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.premium-section-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-400);
}

/* Premium Data Table */
.premium-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-4);
}

.premium-table th {
    background: var(--gray-50);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
}

.premium-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

.premium-table tr:hover {
    background: var(--gray-50);
}

/* Premium Progress Bars */
.premium-progress {
    background: var(--gray-200);
    height: 8px;
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--space-2);
}

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

.premium-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

/* Premium Status Badges */
.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.premium-badge-success {
    background: var(--success-100);
    color: var(--success-700);
}

.premium-badge-warning {
    background: var(--warning-100);
    color: var(--warning-700);
}

.premium-badge-danger {
    background: var(--danger-100);
    color: var(--danger-700);
}

.premium-badge-info {
    background: var(--primary-100);
    color: var(--primary-700);
}

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

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

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

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

/* Premium Responsive Design */
@media (max-width: 1024px) {
    .premium-hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .premium-hero-text h1 {
        font-size: 3rem;
    }
    
    .premium-dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .premium-nav {
        padding: var(--space-3) var(--space-4);
    }
    
    .premium-nav-links {
        gap: var(--space-4);
    }
    
    .premium-hero {
        padding: calc(100px + var(--space-12)) var(--space-4) var(--space-12);
    }
    
    .premium-hero-text h1 {
        font-size: 2.5rem;
    }
    
    .premium-hero-text p {
        font-size: 1.125rem;
    }
    
    .premium-dashboard {
        padding: var(--space-4) var(--space-2);
    }
    
    .premium-dashboard-section {
        padding: var(--space-6);
    }
    
    .premium-card {
        padding: var(--space-6);
    }
    
    .premium-nav-link {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .premium-hero-text h1 {
        font-size: 2rem;
    }
    
    .premium-nav-links {
        display: none;
    }
    
    .premium-dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .premium-metric-value {
        font-size: 2rem;
    }
}

/* Premium Loading States */
.premium-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-200);
    border-radius: 50%;
    border-top-color: var(--gold-400);
    animation: spin 1s ease-in-out infinite;
}

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

/* Premium Tooltips */
.premium-tooltip {
    position: relative;
    cursor: help;
}

.premium-tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: var(--z-tooltip);
}

.premium-tooltip:hover::before {
    opacity: 1;
}