/* ---------- Font ---------- */

/* JetBrains Mono (SIL OFL 1.1, see ../fonts/OFL.txt), variable weight,
   subset to Latin characters. */
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f1f2f4;
  --text: #1a1d21;
  --text-dim: #6b7280;
  --border: #e5e7eb;
  --accent: #4f8ef7;
  --shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .05);
  --radius: 26px;
  --radius-sm: 18px;

  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface-2: #1f2630;
    --text: #e6e8eb;
    --text-dim: #8b949e;
    --border: #262d37;
    --accent: #6ba3f8;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
  }
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.55;
}

img,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

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

/* Rounded link buttons: profile links and links inside posts. */
.pill {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  text-decoration: none;
  transition: color .15s, border-color .15s;
}

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

/* ---------- Start page ---------- */

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 20px calc(env(safe-area-inset-bottom) + 80px);
}

.profile {
  padding: 72px 0 52px;
  text-align: center;
}

.avatar {
  width: 112px;
  height: 112px;
  margin: 0 auto 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.profile h1 {
  margin: 0 0 22px;
  font-size: clamp(26px, 6vw, 36px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- Cards ---------- */

.feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: border-color .15s, transform .15s;
}

a.card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-2px);
}

.card-media {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--surface-2);
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
}

.tag {
  margin: 0;
  color: var(--text-dim);
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -.01em;
  line-height: 1.35;
}

.card-text {
  margin: 0;
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.6;
}

/* Tells the visitor where the card leads: "read more →" stays on this site,
   "domain ↗" opens another one. */
.card-target {
  margin-top: auto;
  padding-top: 6px;
  color: var(--text-dim);
  font-size: 13px;
  transition: color .15s;
}

a.card:hover .card-target {
  color: var(--accent);
}

/* ---------- Post pages ---------- */

.post {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 40px) 20px calc(env(safe-area-inset-bottom) + 96px);
}

.back {
  display: inline-block;
  margin-bottom: 40px;
  color: var(--text-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color .15s;
}

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

.post h1 {
  margin: 8px 0 28px;
  font-size: clamp(28px, 6vw, 38px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
}

.post h2 {
  margin: 2em 0 .6em;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.post p,
.post ul,
.post ol {
  margin: 0 0 1.2em;
  font-size: 15.5px;
  line-height: 1.75;
}

.post p a:not(.pill),
.post li a:not(.pill) {
  color: var(--accent);
  text-underline-offset: 3px;
}

.post-cover {
  width: 100%;
  margin-bottom: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.post figure {
  margin: 2em 0;
}

.post figure img,
.post figure video {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.post figcaption {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
}

/* Browsers give code its own monospace font; keep ours. */
.post code,
.post pre {
  font-family: inherit;
  font-size: .9em;
}

.post pre {
  overflow-x: auto;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  line-height: 1.5;
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  a.card:hover {
    transform: none;
  }
}