@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    --background: oklch(0.98 0.002 264);
    --foreground: oklch(0.15 0.01 264);
    --card: oklch(1 0 0);
    --card-foreground: oklch(0.15 0.01 264);
    --popover: oklch(1 0 0);
    --popover-foreground: oklch(0.15 0.01 264);
    --primary: oklch(0.2 0.02 264);
    --primary-foreground: oklch(0.98 0.002 264);
    --secondary: oklch(0.92 0.005 264);
    --secondary-foreground: oklch(0.2 0.02 264);
    --muted: oklch(0.5 0.01 264);
    --muted-foreground: oklch(0.5 0.01 264);
    --accent: oklch(0.55 0.15 170);
    --accent-foreground: oklch(0.98 0.002 264);
    --destructive: oklch(0.577 0.245 27.325);
    --destructive-foreground: oklch(0.98 0.002 264);
    --border: oklch(0.3 0.02 264);
    --input: oklch(0.3 0.02 264);
    --ring: oklch(0.55 0.15 170);
    --chart-1: oklch(0.55 0.15 170);
    --chart-2: oklch(0.6 0.12 200);
    --chart-3: oklch(0.65 0.14 140);
    --chart-4: oklch(0.7 0.1 280);
    --chart-5: oklch(0.6 0.13 320);
    --radius: 0rem;
    --vignette: oklch(0.12 0.01 264 / 0.4);
}

:root.dark {
    --background: oklch(0.12 0.01 264);
    --foreground: oklch(0.95 0.005 264);
    --card: oklch(0.16 0.012 264);
    --card-foreground: oklch(0.95 0.005 264);
    --popover: oklch(0.16 0.012 264);
    --popover-foreground: oklch(0.95 0.005 264);
    --primary: oklch(0.95 0.005 264);
    --primary-foreground: oklch(0.12 0.01 264);
    --secondary: oklch(0.22 0.015 264);
    --secondary-foreground: oklch(0.95 0.005 264);
    --muted: oklch(0.45 0.01 264);
    --muted-foreground: oklch(0.6 0.01 264);
    --accent: oklch(0.6 0.18 170);
    --accent-foreground: oklch(0.95 0.005 264);
    --destructive: oklch(0.5 0.2 27);
    --destructive-foreground: oklch(0.95 0.005 264);
    --border: oklch(0.3 0.02 264);
    --input: oklch(0.3 0.02 264);
    --ring: oklch(0.6 0.18 170);
    --chart-1: oklch(0.6 0.18 170);
    --chart-2: oklch(0.65 0.15 200);
    --chart-3: oklch(0.7 0.16 140);
    --chart-4: oklch(0.75 0.12 280);
    --chart-5: oklch(0.65 0.15 320);
    --vignette: oklch(0.12 0.01 264 / 0.4);
}

* {
    border-color: var(--border);
    outline-color: var(--ring);
}

body {
    font-family: "JetBrains Mono", "Geist Mono", "Courier New", monospace;
    background-color: var(--background);
    color: var(--foreground);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        oklch(0.55 0.15 170 / 0.03) 2px,
        oklch(0.55 0.15 170 / 0.03) 4px
    ),
    repeating-linear-gradient(
        90deg,
        oklch(0.55 0.15 170 / 0.15) 0px,
        transparent 1px,
        transparent 40px,
        oklch(0.55 0.15 170 / 0.15) 41px
    ),
    repeating-linear-gradient(
        180deg,
        oklch(0.6 0.12 200 / 0.12) 0px,
        transparent 1px,
        transparent 40px,
        oklch(0.6 0.12 200 / 0.12) 41px
    ),
    repeating-linear-gradient(
        45deg,
        transparent,
        transparent 80px,
        oklch(0.65 0.14 140 / 0.08) 80px,
        oklch(0.65 0.14 140 / 0.08) 81px
    );
    background-size: 100% 100%, 40px 40px, 40px 40px, 113px 113px;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--vignette) 100%);
    pointer-events: none;
    z-index: 1;
}

body > * {
    position: relative;
    z-index: 2;
}

main {
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-12 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.p-4 {
    padding: 1rem;
}

.p-6 {
    padding: 1.5rem;
}

.p-8 {
    padding: 2rem;
}

.pt-6 {
    padding-top: 1.5rem;
}

.pb-12 {
    padding-bottom: 3rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-8 {
    gap: 2rem;
}

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:py-24 {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }

    .md\:p-6 {
        padding: 1.5rem;
    }

    .md\:p-8 {
        padding: 2rem;
    }

    .md\:text-3xl {
        font-size: 1.875rem;
    }

    .md\:text-base {
        font-size: 1rem;
    }

    .md\:text-sm {
        font-size: 0.875rem;
    }
}

@media (min-width: 1024px) {
    .lg\:text-4xl {
        font-size: 2.25rem;
    }

    .lg\:text-base {
        font-size: 1rem;
    }
}

.text-xs {
    font-size: 0.75rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.text-4xl {
    font-size: 2.25rem;
}

.font-bold {
    font-weight: 700;
}

.font-mono {
    font-family: "JetBrains Mono", "Geist Mono", "Courier New", monospace;
}

.leading-tight {
    line-height: 1.25;
}

.leading-relaxed {
    line-height: 1.625;
}

.text-center {
    text-align: center;
}

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

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

.text-muted-foreground {
    color: var(--muted-foreground);
}

.bg-background {
    background-color: var(--background);
}

.bg-card {
    background-color: var(--card);
}

.bg-accent\/10 {
    background-color: oklch(0.55 0.15 170 / 0.1);
}

.border {
    border-width: 1px;
    border-style: solid;
    border-color: var(--border);
}

.border-2 {
    border-width: 2px;
}

.border-t {
    border-top-width: 1px;
    border-top-style: solid;
    border-color: var(--border);
}

.border-b-2 {
    border-bottom-width: 2px;
    border-bottom-style: solid;
    border-color: var(--border);
}

.border-border {
    border-color: var(--border);
}

.hover\:border-accent:hover {
    border-color: var(--accent);
}

.max-w-4xl {
    max-width: 56rem;
}

.max-w-5xl {
    max-width: 64rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.transition-colors {
    transition-property: color, background-color, border-color;
    transition-duration: 300ms;
}

.transition-all {
    transition-property: all;
    transition-duration: 300ms;
}

.hover\:bg-accent\/10:hover {
    background-color: oklch(0.55 0.15 170 / 0.1);
}

.hover\:text-foreground:hover {
    color: var(--foreground);
}

.hover\:text-accent:hover {
    color: var(--accent);
}

.underline {
    text-decoration: underline;
}

.inline-block {
    display: inline-block;
}

.absolute {
    position: absolute;
}

.relative {
    position: relative;
}

.top-4 {
    top: 1rem;
}

.left-4 {
    left: 1rem;
}

.right-4 {
    right: 1rem;
}

.bottom-4 {
    bottom: 1rem;
}

.fixed {
    position: fixed;
}

.inset-0 {
    inset: 0;
}

.neon-text {
    color: var(--accent);
    text-shadow: 0 0 10px oklch(0.55 0.15 170 / 0.5),
                 0 0 20px oklch(0.55 0.15 170 / 0.3),
                 0 0 30px oklch(0.55 0.15 170 / 0.2);
}

.neon-cyan {
    color: oklch(0.6 0.18 170);
    text-shadow: 0 0 5px oklch(0.6 0.18 170 / 0.5);
}

.pulse-border {
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% {
        border-color: var(--border);
    }
    50% {
        border-color: var(--accent);
    }
}

pre {
    margin: 0;
    font-family: inherit;
}

a {
    text-decoration: none;
    color: inherit;
}

.group:hover .group-hover\:text-foreground {
    color: var(--foreground);
}

@media (prefers-reduced-motion: no-preference) {
    .animate-pulse {
        animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
}

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

/* Theme Toggle Button */
.theme-toggle {
    position: relative;
    z-index: 100;
    background: var(--card);
    border: 2px solid var(--border);
    color: var(--muted-foreground);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}