/* HackerPod — one stylesheet, no framework, no inline styles (the CSP forbids them). */

:root {
  --bg: #0b0f0d;
  --bg-2: #111714;
  --panel: #141c18;
  --line: #22302a;
  --text: #e3ece7;
  --muted: #8fa39a;
  --accent: #3ddc84;
  --accent-ink: #04140b;
  --accent-soft: rgba(61, 220, 132, .12);
  --warn: #f5b041;
  --danger: #ff6b6b;
  --info: #6cb6ff;
  --radius: 10px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
code, kbd, .mono { font-family: var(--mono); }
code { background: var(--bg-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-size: .9em; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 5vw, 48px); letter-spacing: -.02em; }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: 18px; margin-top: 1.6em; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 560px; }
.section { padding-block: 56px; }
.section--tight { padding-block: 32px; }

/* --- header ----------------------------------------------------------- */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(11, 15, 13, .92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; gap: 18px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand__mark { font-family: var(--mono); color: var(--accent); }
.nav__links { display: flex; gap: 18px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav__links a { color: var(--muted); }
.nav__links a:hover, .nav__links a.is-active { color: var(--text); text-decoration: none; }
.nav__form { display: inline; margin: 0; }

/* --- buttons ---------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: 10px 18px; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn--danger { border-color: var(--danger); color: var(--danger); background: transparent; }
.btn--ghost { background: transparent; }
.btn--sm { padding: 6px 12px; font-size: 14px; }
.btn--lg { padding: 14px 24px; font-size: 17px; }
.btn-link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
.btn-link:hover { color: var(--text); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* --- hero ------------------------------------------------------------- */
.hero { padding-block: 72px 40px; }
.hero__kicker { font-family: var(--mono); color: var(--accent); font-size: 14px; margin-bottom: 14px; }
.hero__lead { font-size: 19px; color: var(--muted); max-width: 640px; }
.terminal { background: #050806; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; font-family: var(--mono); font-size: 14px; color: var(--muted); overflow-x: auto; }
.terminal b { color: var(--accent); font-weight: 400; }

/* --- grids and cards -------------------------------------------------- */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.panel h3:first-child { margin-top: 0; }
.panel__kicker { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 8px; }

.lab-card { display: flex; flex-direction: column; gap: 10px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; color: var(--text); }
.lab-card:hover { border-color: var(--accent); text-decoration: none; }
.lab-card__head { display: flex; gap: 12px; align-items: center; }
.lab-card__icon { font-size: 28px; }
.lab-card__name { font-weight: 700; font-size: 17px; }
.lab-card__meta { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.lab-card__summary { color: var(--muted); font-size: 15px; margin: 0; flex: 1; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-family: var(--mono); font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; color: var(--muted); }
.chip--ok { color: var(--accent); border-color: rgba(61, 220, 132, .4); }
.chip--done { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.chip--warn { color: var(--warn); border-color: rgba(245, 176, 65, .4); }
.chip--danger { color: var(--danger); border-color: rgba(255, 107, 107, .4); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filters a { font-size: 14px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.filters a.is-active { border-color: var(--accent); color: var(--accent); }

/* --- lab detail ------------------------------------------------------- */
.lab-head { display: flex; gap: 18px; align-items: center; margin-bottom: 14px; }
.lab-head__icon { font-size: 48px; }
.lab-layout { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
@media (max-width: 860px) { .lab-layout { grid-template-columns: 1fr; } }
.objectives { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.objectives li { display: flex; justify-content: space-between; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.objectives li.is-done { border-color: rgba(61, 220, 132, .4); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; margin: 16px 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); text-align: right; }
.launch-fallback { margin-top: 16px; border: 1px solid var(--warn); border-radius: 8px; padding: 14px; background: rgba(245, 176, 65, .07); }

/* --- tables ----------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
td.num, th.num { text-align: right; font-family: var(--mono); }

/* --- forms ------------------------------------------------------------ */
form p { margin: 0 0 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
.field, input[type=text], input[type=email], select, textarea {
  width: 100%; background: var(--bg-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 11px 13px; font: inherit; }
.field:focus, input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); vertical-align: middle; margin-right: 8px; }
.check label { display: inline; font-weight: 400; }
.helptext, .form-note { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.errorlist { list-style: none; padding: 0; margin: 4px 0; color: var(--danger); font-size: 14px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.code-input { font-family: var(--mono); font-size: 28px; letter-spacing: .3em; text-align: center; }
.user-code { font-family: var(--mono); font-size: 32px; letter-spacing: .15em; color: var(--accent); }

.alert { border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; border: 1px solid var(--line); background: var(--bg-2); }
.alert--error { border-color: var(--danger); color: #ffc9c9; }
.alert--success { border-color: var(--accent); color: #c9f5dc; }
.alert--warn { border-color: var(--warn); color: #fde3b5; }
.messages { list-style: none; padding: 0; margin: 0 0 16px; }

/* --- steps ------------------------------------------------------------ */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps li { counter-increment: step; position: relative; padding-left: 44px; }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-family: var(--mono); color: var(--accent); font-size: 14px; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }

/* --- footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); margin-top: 48px; padding-block: 32px; color: var(--muted); font-size: 14px; }
.footer__inner { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; }
.footer a { color: var(--muted); }
.footer__links { display: flex; gap: 16px; flex-wrap: wrap; }

.prose { max-width: 720px; }
.prose h2 { margin-top: 1.6em; font-size: 22px; }
.prose ul { padding-left: 20px; }
.hidden { display: none !important; }

.dl-card.is-yours { border-color: var(--accent); }

/* lab search */
.search { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 14px; }
.search input[type=search] { flex: 1 1 260px; width: auto; background: var(--bg-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 13px; font: inherit; }
.search select { flex: 0 1 170px; width: auto; }