/* Ezy site — a plain-paper / instruction-manual aesthetic.
   One serif for reading, one monospace for anything that is code
   or that represents the machine's voice. Code panels stay a fixed
   dark "ink" regardless of the page theme — the one bold, consistent
   element on an otherwise quiet, flat page. */

:root {
  --bg: #f0efe9;
  --fg: #1c1b19;
  --muted: #6b675f;
  --border: #dad7cd;
  --accent: #8a5a2b;
  --accent-contrast: #fdfcf9;
  --card-bg: #f6f5f0;
  --code-bg: #1c1b19;
  --code-fg: #f0efe9;
  --code-border: #8a5a2b;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  --max: 42rem;
  --max-wide: 64rem;
}

html[data-theme="dark"] {
  --bg: #17150f;
  --fg: #ede9df;
  --muted: #a39c8c;
  --border: #332f27;
  --accent: #d19a5c;
  --accent-contrast: #17150f;
  --card-bg: #1d1b15;
  --code-bg: #0f0e0a;
  --code-fg: #ede9df;
  --code-border: #d19a5c;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg: #17150f;
    --fg: #ede9df;
    --muted: #a39c8c;
    --border: #332f27;
    --accent: #d19a5c;
    --accent-contrast: #17150f;
    --card-bg: #1d1b15;
    --code-bg: #0f0e0a;
    --code-fg: #ede9df;
    --code-border: #d19a5c;
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 0.15s ease, color 0.15s ease;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

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

/* ---- layout shells ---- */

.site-nav {
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--fg);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

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

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

main.wide { max-width: var(--max-wide); }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---- typography ---- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--fg);
}

h1 { font-size: 2.4rem; margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-size: 1.5rem; margin: 2.75rem 0 1rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
h3 { font-size: 1.1rem; margin: 1.75rem 0 0.6rem; }

p { margin: 0 0 1.1rem; }

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 34rem;
}

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

ul, ol { padding-left: 1.3rem; }
li { margin: 0.3rem 0; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
  margin: 1.25rem 0;
}

th, td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 0.5rem 0.75rem 0.5rem 0;
  vertical-align: top;
}

th { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); font-weight: 600; }

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.05em 0.35em;
}

/* ---- code / terminal panels: fixed dark ink regardless of theme ---- */

.panel {
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25rem 0;
}

.panel .dots {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.panel .dots span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--code-border);
  opacity: 0.55;
}

.panel pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre;
}

.panel code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.panel .c { color: var(--code-border); }      /* comments */
.panel .s { opacity: 0.85; }                  /* strings/output */

pre.plain {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  border: 1px solid var(--border);
  background: var(--card-bg);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: 3px;
}

/* ---- buttons ---- */

.btn-row { display: flex; gap: 0.9rem; flex-wrap: wrap; margin: 1.5rem 0 0.5rem; }

.btn {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--fg);
  border-radius: 3px;
  text-decoration: none;
  color: var(--fg);
  display: inline-block;
}

.btn.primary {
  background: var(--fg);
  color: var(--bg);
}

.btn:hover { border-color: var(--accent); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }

/* ---- feature grid ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 1.5rem 0;
}

.grid .cell {
  background: var(--card-bg);
  padding: 1.25rem 1.4rem;
}

.grid .cell .label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.grid .cell p { margin: 0; color: var(--muted); font-size: 0.95rem; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.9rem; }
}

/* ---- doc index list (used on the home page) ---- */

.doc-list { border-top: 1px solid var(--border); margin-top: 1.5rem; }

.doc-list a {
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--fg);
}

.doc-list a:hover .doc-title { color: var(--accent); }

.doc-title { font-weight: 700; }
.doc-desc { color: var(--muted); font-size: 0.92rem; margin-top: 0.15rem; }

/* ---- ordered steps (used only for genuine sequences) ---- */

.steps { counter-reset: step; list-style: none; padding: 0; }

.steps li {
  counter-increment: step;
  padding: 0.9rem 0 0.9rem 2.4rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.steps li:first-child { border-top: 1px solid var(--border); }

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  border: 1px solid var(--border);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- hero typing reveal: one deliberate moment, skipped if reduced motion ---- */

@media (prefers-reduced-motion: no-preference) {
  .type-in {
    overflow: hidden;
    white-space: nowrap;
    width: 0;
    animation: type 1.6s steps(34, end) forwards;
  }
  @keyframes type {
    to { width: 100%; }
  }
}