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

:root {
  --black: #0a0a0a;
  --white: #f5f4f0;
  --card: #fbfaf7;
  --mid: #6f6f6f;
  --border: rgba(10,10,10,0.12);
  --ok: #e5f4e4;
  --err: #fbebeb;
  --danger: #a8322d;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html { font-size: 16px; }
body { font-family: var(--sans); background: var(--white); color: var(--black); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; margin-bottom: 1.25rem; }
h2 { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; margin-bottom: 0.75rem; }
code, .code { font-family: var(--mono); font-size: 0.85rem; }
.muted { color: var(--mid); }
.small { font-size: 0.85rem; }

/* Layout */
.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
.logo { font-family: var(--serif); font-size: 1.3rem; text-decoration: none; }
.logo span { font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid); margin-left: 0.25rem; }
.nav-right { display: flex; align-items: center; gap: 1rem; font-size: 0.9rem; }
.nav-right a { text-decoration: none; }
.wrap { max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
.foot { text-align: center; padding: 2rem 1rem; border-top: 1px solid var(--border); }
.inline { display: inline; }

/* Buttons */
.btn {
  display: inline-block; font-family: var(--sans); font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none;
  background: var(--black); color: var(--white); border: 1px solid var(--black);
  padding: 0.8rem 1.4rem; cursor: pointer;
}
.btn:hover { background: #222; }
.btn-sm { padding: 0.5rem 0.9rem; font-size: 0.75rem; }
.btn-ghost { background: transparent; color: var(--black); }
.btn-ghost:hover { background: rgba(10,10,10,0.05); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.link { background: none; border: 0; font: inherit; color: var(--mid); text-decoration: underline; cursor: pointer; }
.link:hover { color: var(--black); }

/* Forms */
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: 0.5rem; font-weight: 400; }
input, textarea, select {
  font-family: var(--sans); font-size: 1rem; padding: 0.7rem 0.8rem; width: 100%;
  border: 1px solid var(--border); background: var(--card); color: var(--black); border-radius: 0;
}
input[type=checkbox] { width: auto; }
input:focus, textarea:focus { outline: 2px solid var(--black); outline-offset: -1px; }
textarea.code { font-family: var(--mono); font-size: 0.8rem; resize: vertical; }
.stack { display: flex; flex-direction: column; gap: 1rem; margin: 1.25rem 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.full { grid-column: 1 / -1; }
.search { display: flex; gap: 0.5rem; align-items: center; margin: 0.75rem 0 1.25rem; flex-wrap: wrap; }
.search input { flex: 1; min-width: 10rem; }

/* Pieces */
.flash { padding: 0.85rem 1rem; margin-bottom: 1.25rem; font-size: 0.92rem; background: var(--ok); }
.flash.err { background: var(--err); }
.panel { border: 1px solid var(--border); background: var(--card); padding: 1.5rem; margin-top: 1.5rem; }
.panel > * + * { margin-top: 0.75rem; }
.panel.danger { border-color: rgba(168,50,45,0.35); }
.cards { display: grid; gap: 1rem; }
.card { display: flex; flex-direction: column; gap: 0.35rem; padding: 1.25rem; border: 1px solid var(--border); background: var(--card); text-decoration: none; }
.card:hover { border-color: var(--black); }
.card code { overflow-wrap: anywhere; color: var(--mid); }
.card-top { display: flex; gap: 0.5rem; align-items: center; }
.pill { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; border: 1px solid var(--border); padding: 0.15rem 0.5rem; vertical-align: middle; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.sub { border-top: 1px solid var(--border); padding: 1rem 0; }
.sub dl { display: grid; grid-template-columns: minmax(6rem, 12rem) 1fr; gap: 0.35rem 1rem; margin-top: 0.5rem; }
.sub dt { color: var(--mid); font-size: 0.85rem; overflow-wrap: anywhere; }
.sub dd { overflow-wrap: anywhere; }
.pager { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1rem; }
details summary { cursor: pointer; font-size: 0.9rem; }
details ul { margin: 0.5rem 0 0 1.2rem; display: grid; gap: 0.3rem; }
.auth { max-width: 26rem; margin: 2rem auto; }

/* Home */
.hero { padding: 2rem 0; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.2rem); max-width: 16ch; }
.hero h1 em { color: var(--mid); }
.eyebrow { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--mid); margin-bottom: 1rem; }
.lead { font-size: 1.05rem; max-width: 42ch; margin-bottom: 1.5rem; }
.code-block { margin-top: 2rem; background: var(--black); color: var(--white); padding: 1.25rem; overflow-x: auto; font-size: 0.85rem; }
.thanks { text-align: center; padding-top: 18vh; }
.thanks > * + * { margin-top: 1rem; }

@media (max-width: 640px) {
  .top { padding: 0.9rem 1rem; }
  .wrap { padding: 1.75rem 1rem 3rem; }
  .grid2 { grid-template-columns: 1fr; }
  .panel { padding: 1.1rem; }
  .sub dl { grid-template-columns: 1fr; gap: 0.1rem; }
  .sub dd { margin-bottom: 0.5rem; }
  .hide-sm { display: none; }
}