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

:root {
    color-scheme: dark;
    --background: #1e1e1e;
    --surface: rgba(28, 28, 28, 0.92);
    --foreground: #f5f5f5;
    --text: #d4d4d4;
    --muted: #8f8f8f;
    --border: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.4);
    --dots: rgba(255, 255, 255, 0.16);
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html {
    min-height: 100%;
    background-color: var(--background);
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--background);
    background-image: radial-gradient(circle, var(--dots) 1px, transparent 1.5px);
    background-size: 24px 24px;
    color: var(--foreground);
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

:focus-visible {
    outline: 2px solid var(--foreground);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -100px;
    padding: 8px 12px;
    background: var(--foreground);
    color: var(--background);
    border-radius: 4px;
    text-decoration: none;
}

.skip-link:focus-visible {
    top: 16px;
}

.page {
    width: min(1120px, 100% - 32px);
    margin: 0 auto;
    padding:
        max(32px, env(safe-area-inset-top))
        0
        max(64px, env(safe-area-inset-bottom));
}

.page.narrow {
    width: min(860px, 100% - 32px);
}

/* Header */

.back {
    display: inline-flex;
    gap: 0.5em;
    color: var(--muted);
    font-size: 18px;
    text-decoration: none;
    touch-action: manipulation;
    transition: color 150ms ease;
}

.back span {
    font-weight: 600;
    transition: transform 150ms ease;
}

.back:hover,
.back:focus-visible {
    color: var(--foreground);
}

.back:hover span,
.back:focus-visible span {
    transform: translateX(-4px);
}

h1 {
    margin: 40px 0 10px;
    font-size: clamp(56px, 10vw, 120px);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1;
}

.intro {
    max-width: 60ch;
    margin: 0 0 32px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.5;
    text-wrap: pretty;
}

.intro a,
.site-footer a {
    color: var(--foreground);
    text-underline-offset: 3px;
}

.status {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}

.site-footer {
    margin-top: 48px;
    color: var(--muted);
    font-size: 14px;
}

/* Project page header */

.project-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.project-title {
    margin: 40px 0 16px;
    font-size: clamp(40px, 8vw, 88px);
    overflow-wrap: anywhere;
}

.project-header .intro {
    margin: 16px 0 20px;
    color: var(--text);
}

/* Cards */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color 150ms ease;
}

.card:hover,
.card:focus-within {
    border-color: var(--border-strong);
}

.card h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

.badge {
    padding: 1px 8px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-size: 12px;
}

.badge.pinned {
    background: var(--foreground);
    border-color: var(--foreground);
    color: var(--background);
    font-weight: 600;
}

.desc {
    flex: 1;
    margin: 0;
    color: var(--text);
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.desc.empty {
    color: var(--muted);
    font-style: italic;
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.topics li {
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 999px;
    color: var(--text);
    font-size: 12px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    background: transparent;
    color: var(--foreground);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    touch-action: manipulation;
    transition:
        background-color 150ms ease,
        border-color 150ms ease,
        color 150ms ease;
}

.button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--foreground);
}

.button.primary {
    background: var(--foreground);
    border-color: var(--foreground);
    color: var(--background);
}

.button.primary:hover {
    background: #d6d6d6;
}

/* Rendered markdown */

.markdown {
    color: var(--text);
    font-size: 16px;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.markdown > :first-child {
    margin-top: 0;
}

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4 {
    margin: 1.6em 0 0.6em;
    color: var(--foreground);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.markdown h1,
.markdown h2 {
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
}

.markdown h1 { font-size: 28px; }
.markdown h2 { font-size: 22px; }
.markdown h3 { font-size: 18px; }
.markdown h4 { font-size: 16px; }

.markdown a {
    color: var(--foreground);
    text-decoration-color: rgba(255, 255, 255, 0.4);
    text-underline-offset: 3px;
}

.markdown img {
    max-width: 100%;
    height: auto;
}

.markdown code {
    padding: 0.15em 0.4em;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    font-family: var(--mono);
    font-size: 0.88em;
}

.markdown pre {
    padding: 16px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #141414;
}

.markdown pre code {
    padding: 0;
    background: none;
    font-size: 14px;
}

.markdown blockquote {
    margin: 0;
    padding: 0 1em;
    border-left: 3px solid var(--border-strong);
    color: var(--muted);
}

.markdown table {
    display: block;
    max-width: 100%;
    overflow: auto;
    border-collapse: collapse;
}

.markdown th,
.markdown td {
    padding: 6px 12px;
    border: 1px solid var(--border);
}

.markdown hr {
    border: 0;
    border-top: 1px solid var(--border);
}

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}