/* Modern Design System for Noesis Vision */

:root {
    /* Noesis Brand Colors - Green/Teal from logo */
    --noesis-primary: #14b8a6;
    --noesis-primary-light: #5eead4;
    --noesis-primary-dark: #0f766e;
    --noesis-secondary: #059669;
    --noesis-teal: #14b8a6;
    --noesis-teal-light: #5eead4;
    --noesis-teal-dark: #0f766e;
    --noesis-green: #10b981;
    --noesis-green-light: #6ee7b7;
    --noesis-green-dark: #047857;
    
    /* Darker variants for backgrounds */
    --noesis-primary-darker: #0d9488;
    --noesis-teal-darker: #0d9488;
    --noesis-green-darker: #065f46;
    
    /* Even darker variants for deep backgrounds */
    --noesis-primary-darkest: #0f766e;
    --noesis-teal-darkest: #134e4a;
    --noesis-green-darkest: #064e3b;
    
    /* Modern Color Palette */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Semantic Colors */
    --color-success: #059669;
    --color-success-light: #10b981;
    --color-warning: #d97706;
    --color-warning-light: #f59e0b;
    --color-error: #dc2626;
    --color-error-light: #ef4444;
    --color-info: #0284c7;
    --color-info-light: #0ea5e9;
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Font Sizes */
    --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;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --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);
    
    /* 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);
    
    /* Layout */
    --max-content-width: 1200px;
}

/* Global Typography Improvements */
body {
    font-family: var(--font-family-primary);
    line-height: var(--line-height-normal);
    color: var(--color-gray-800);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Modern Button Styles */
.modern-button {
    font-family: var(--font-family-primary);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.modern-button:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Modern Card Styles */
.modern-card-base {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

.modern-card-base:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

/* Typography Utilities */
.text-primary {
    color: var(--noesis-primary);
}

.text-secondary {
    color: var(--color-gray-500);
}

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-error {
    color: var(--color-error);
}

.font-medium {
    font-weight: var(--font-weight-medium);
}

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

.font-bold {
    font-weight: var(--font-weight-bold);
}

/* Modern Gradient Backgrounds */
.gradient-primary {
    background: linear-gradient(135deg, var(--noesis-primary) 0%, var(--noesis-secondary) 100%);
}

.gradient-teal {
    background: linear-gradient(135deg, var(--noesis-teal) 0%, var(--noesis-primary) 100%);
}

.gradient-noesis {
    background: linear-gradient(135deg, var(--noesis-teal-light) 0%, var(--noesis-primary) 50%, var(--noesis-green-dark) 100%);
}

.gradient-noesis-dark {
    background: linear-gradient(135deg, var(--noesis-primary) 0%, var(--noesis-primary-darker) 50%, var(--noesis-green-darker) 100%);
}

.gradient-noesis-darkest {
    background: linear-gradient(135deg, var(--noesis-primary-darker) 0%, var(--noesis-teal-darkest) 50%, var(--noesis-green-darkest) 100%);
}

.gradient-blue-teal {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 25%, #0891b2 50%, #059669 75%, #047857 100%);
}

.gradient-subtle-blue-teal {
    background: linear-gradient(135deg, #8fa9c4 0%, #92b4be 50%, #a0c4bc 100%);
}

.gradient-noesis-subtle {
    background: linear-gradient(135deg, var(--noesis-teal-light) 0%, var(--noesis-primary-light) 100%);
}

.gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-blue {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
}

.gradient-subtle {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
}

/* Responsive Design Utilities */
@media (max-width: 768px) {
    :root {
        --font-size-2xl: 1.25rem;
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.875rem;
    }
}

/* Focus States for Accessibility */
.modern-focus:focus {
    outline: 2px solid var(--noesis-primary);
    outline-offset: 2px;
}

/* Loading States */
.loading-shimmer {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

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

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

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}