/* Shared look: paper, grid, League Gothic headings, Space Mono labels, Inter text, accent #2b4bff.
   Loosely follows the kafka-first-principles guide. */
@font-face { font-family: "League Gothic"; src: url("/fonts/league-gothic-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Space Mono"; src: url("/fonts/space-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Space Mono"; src: url("/fonts/space-mono-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/fonts/inter-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --paper: #f1ece2;
  --paper-2: #e9e2d4;
  --card: #f7f3ec;
  --ink: #1a1714;
  --ink-2: #5a5249;
  --ink-3: #8a8073;
  --line: #b9ae9c;
  --grid: #ddd4c4;
  --accent: #2b4bff;
  --accent-soft: rgba(43, 75, 255, 0.09);
  --good: #1f7a4d;
  --good-soft: rgba(31, 122, 77, 0.10);
  --bad: #c2382b;
  --warn: #a86a00;
  --warn-soft: rgba(168, 106, 0, 0.12);
  --code-bg: #1a1714;
  --code-fg: #f1ece2;
  --mono: "Space Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display: "League Gothic", "Oswald", Impact, sans-serif;
  --body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background-color: var(--paper);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
a { color: var(--accent); }
button { font: inherit; cursor: pointer; }
.mono { font-family: var(--mono); }

/* ---- brand and status ---- */
.brand { display: inline-flex; align-items: center; gap: 8px; font: 700 13px var(--mono); letter-spacing: 0.04em; text-transform: lowercase; color: var(--ink); }
.brand .cursor { width: 9px; height: 16px; background: var(--accent); display: inline-block; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.pill { display: inline-flex; align-items: center; gap: 7px; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font: 12px var(--mono); color: var(--ink-2); }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.pill[hidden] { display: none; }
.pill.live .dot { background: var(--good); }
.pill.wait .dot { background: var(--warn); animation: blink 1s steps(1) infinite; }
.pill.down .dot { background: var(--bad); }

/* ---- banner ---- */
.banner { background: var(--accent); color: #fff; font: 700 clamp(15px, 2.4vw, 20px)/1.35 var(--mono); padding: 12px 18px; }
.banner[hidden] { display: none; }

/* ---- step card ---- */
.step { position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 0 16px; background: var(--card); border: 1px solid var(--line); padding: 18px 20px 20px; margin: 0 0 18px; }
.step { scroll-margin-top: 96px; }
.step .num { font: 400 52px/0.9 var(--display); color: var(--ink-3); }
.step.latest { border: 2px solid var(--accent); padding: 17px 19px 19px; box-shadow: 6px 6px 0 var(--accent-soft); }
.step.latest .num { color: var(--accent); }
.step .body { min-width: 0; }
.step h3 { margin: 0; font: 700 19px/1.3 var(--body); letter-spacing: -0.01em; }
.step .chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 8px; }
.chip { display: inline-block; padding: 1px 8px; font: 700 11px/1.7 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; background: var(--ink); color: var(--paper); }
.chip.badge { background: var(--warn); color: #fff; }
.chip.new { background: var(--accent); color: #fff; }
.step p.text { margin: 6px 0 0; color: var(--ink); white-space: pre-line; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--accent-soft); padding: 1px 5px; }

/* ---- code blocks ---- */
.block { margin: 12px 0 0; min-width: 0; }
.block .bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 5px 10px; background: #2d2822; color: #b9ae9c; font: 12px var(--mono); }
.block .bar .lbl { text-transform: lowercase; letter-spacing: 0.04em; min-width: 0; }
.block pre { margin: 0; padding: 12px 14px; overflow-x: auto; background: var(--code-bg); color: var(--code-fg); font: 400 14px/1.6 var(--mono); white-space: pre; tab-size: 4; -webkit-overflow-scrolling: touch; }
.block pre code { background: none; padding: 0; font-size: inherit; }
.copy { flex: none; border: 1px solid #6b6256; background: transparent; color: var(--paper); font: 700 12px var(--mono); padding: 3px 10px; text-transform: lowercase; }
.copy:hover { background: var(--accent); border-color: var(--accent); }
.copy.done { background: var(--good); border-color: var(--good); }
.block.edit pre, .block.file pre { border-left: 4px solid var(--warn); }
.block.input pre { border-left: 4px solid var(--accent); }
.block.output .bar { background: var(--good-soft); color: var(--good); border: 1px solid var(--good-soft); border-bottom: 0; }
.block.output pre { background: rgba(31, 122, 77, 0.07); color: var(--ink); border: 1px solid rgba(31, 122, 77, 0.25); border-left: 4px solid var(--good); font-size: 13px; }

/* ---- notes ---- */
.note { margin: 12px 0 0; padding: 8px 12px; background: var(--warn-soft); border-left: 3px solid var(--warn); font-size: 14.5px; white-space: pre-line; }
.note .k { font: 700 11px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--warn); margin-right: 8px; }

@media (max-width: 600px) {
  .step { grid-template-columns: minmax(0, 1fr); padding: 14px 14px 16px; }
  .step.latest { padding: 13px 13px 15px; box-shadow: 4px 4px 0 var(--accent-soft); }
  .step .num { font-size: 40px; margin-bottom: 4px; }
  .block pre { font-size: 13px; padding: 10px 12px; }
}