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

:root {
    --font-display: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;

    --border: #2a2a2a;
    --border-highlight: #3a3a3a;

    --text-primary: #f0f0f0;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;

    --accent: #22c55e;
    --accent-hover: #16a34a;
    --accent-fg: #ffffff;

    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.15);
    --success-fg: #040910;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 24px;
    background: var(--accent);
    color: var(--accent-fg);
    padding: 8px 16px;
    z-index: 100;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: top 0.2s;
    text-decoration: none;
}
.skip-to-content:focus {
    top: 24px;
}

/* ── Themed scrollbars ──
   Replaces the OS default scrollbar everywhere with a thin, dark
   track + translucent thumb that brightens on hover. */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.34);
}

*::-webkit-scrollbar-thumb:active {
    background: rgba(34, 197, 94, 0.4);
}

*::-webkit-scrollbar-corner {
    background: transparent;
}