/* PersonalOS Design System - Antigravity Theme */

:root {
    /* Color Palette - Deep Space */
    --os-bg-base: #0a0a12;
    /* Very dark blue/black */
    --os-bg-secondary: #11111a;
    --os-text-primary: #ffffff;
    --os-text-secondary: #a0aec0;
    --os-text-muted: #718096;

    /* Accents */
    --os-accent-primary: #00f2ff;
    /* Cyan/Neon Blue */
    --os-accent-secondary: #7000ff;
    /* Deep Neon Purple */
    --os-accent-success: #00ff9d;
    --os-accent-warning: #ffb700;
    --os-accent-error: #ff0055;

    /* Glassmorphism */
    --glass-bg: rgba(17, 17, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--os-accent-primary) 0%, var(--os-accent-secondary) 100%);
    --gradient-dark: linear-gradient(to bottom, var(--os-bg-base), var(--os-bg-secondary));

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s var(--ease-out-expo);
}

/* Global Reset & Base Styles */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--os-bg-base);
    color: var(--os-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(112, 0, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 242, 255, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--os-text-primary);
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

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

a:hover {
    color: var(--os-text-primary);
    text-shadow: 0 0 8px var(--os-accent-primary);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--os-bg-secondary);
    border-radius: 4px;
    border: 1px solid var(--glass-border);
}

::-webkit-scrollbar-thumb:hover {
    background: #2d3748;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Flexbox Utilities (Replacing Tailwind) */
.flex {
    display: flex;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.flex-1 {
    flex: 1;
}

.relative {
    position: relative;
}

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

.hidden {
    display: none;
}

.h-full {
    height: 100%;
}

@media (min-width: 1024px) {
    .lg\:block {
        display: block;
    }

    .lg\:flex {
        display: flex;
    }
}