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

:root {
    /* Color Palette - Light Mode */
    --primary-color: #22C55E;
    --primary-hover: #16A34A;
    --primary-glow: rgba(34, 197, 94, 0.15);
    
    --bg-color: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    
    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;
    
    --navbar-bg: rgba(248, 250, 252, 0.8);
    --footer-bg: #0F172A;
    --footer-text: #E2E8F0;
    --footer-text-muted: #94A3B8;
    
    /* Layout Tokens */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.05), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(34, 197, 94, 0.2);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography Customizations */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
    transition: color var(--transition-normal);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* Custom Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Selection Highlight */
::selection {
    background-color: var(--primary-color);
    color: #FFFFFF;
}

/* Focus States Outline */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
}

/* Scroll progress bar top */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #4ADE80);
    z-index: 9999;
    transition: width 0.1s ease-out;
}