/* mm.tafil.app — hand-written CSS, no framework.
   A page about a zero-dependency tool should not ship a CSS runtime.
   Palette is taken from the CLI itself (mm/util.py): the pointer is ANSI 36
   cyan, done is 32 green, interrupts are 33 yellow, secondary text is dim. */

:root {
  --bg: #08090b;
  --surface: #0f1114;
  --raised: #16181d;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e8e8ec;
  --muted: #8c8c95;
  --faint: #62626b;
  --accent: #67e8f9;   /* ANSI 36 — the pointer */
  --good: #6ee787;     /* ANSI 32 — done */
  --warn: #f2cc60;     /* ANSI 33 — interrupt */
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --gap: clamp(64px, 9vw, 120px);
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* A single wash of colour behind the hero. Nothing moves. */
body::before {
  content: "";
  position: fixed;
  inset: -20% 0 auto 0;
  height: 70vh;
  background:
    radial-gradient(60% 55% at 50% 0%, rgba(103, 232, 249, 0.10), transparent 70%),
    radial-gradient(40% 40% at 82% 8%, rgba(110, 231, 135, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.wrap { width: min(1080px, 100% - 40px); margin-inline: auto; position: relative; z-index: 1; }
.narrow { width: min(760px, 100% - 40px); margin-inline: auto; }

a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible, [role="tab"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; font-weight: 600; }
h1 { font-size: clamp(31px, 8vw, 68px); letter-spacing: -0.035em; }
h2 { font-size: clamp(27px, 3.6vw, 40px); }
h3 { font-size: 17px; letter-spacing: -0.01em; }
p { margin: 0; }

.lede { color: var(--muted); font-size: clamp(16px, 1.7vw, 19px); line-height: 1.6; }
.eyebrow {
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.mono { font-family: var(--mono); }
code:not(pre code) {
  font: 500 0.9em/1 var(--mono);
  background: var(--raised);
  border: 1px solid var(--line);
  padding: 0.18em 0.42em;
  border-radius: 5px;
  white-space: nowrap;
}

/* ---------- skip link + nav ---------- */

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #04191c; padding: 10px 16px; z-index: 100;
  font: 600 14px/1 var(--sans); border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

header.nav { position: sticky; top: 14px; z-index: 50; padding-top: 14px; }
.nav-inner {
  display: flex; align-items: center; gap: 14px;
  background: rgba(15, 17, 20, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 9px 9px 20px;
}
.brand { display: flex; align-items: baseline; gap: 9px; font: 600 17px/1 var(--mono); letter-spacing: -0.02em; text-decoration: none; }
.brand .caret { color: var(--accent); }
.brand .ver { font: 500 11px/1 var(--mono); color: var(--faint); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font: 500 14px/1 var(--sans); color: var(--muted); text-decoration: none;
  padding: 9px 13px; border-radius: 999px;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
@media (max-width: 620px) { .nav-links a.hide-sm { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 14px/1 var(--sans); text-decoration: none;
  padding: 11px 19px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn-primary { background: #fff; color: #08090b; }
.btn-primary:hover { background: #e6feff; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); transform: translateY(-1px); }
.nav-links .btn { padding: 10px 17px; }

/* ---------- hero ---------- */

.hero { padding: clamp(46px, 8vw, 92px) 0 0; text-align: center; }
.kicker {
  font: 500 12px/1.5 var(--mono); color: var(--faint);
  letter-spacing: 0.06em; margin-bottom: 22px;
}
.hero h1 .never { color: var(--accent); }
.hero .lede { max-width: 60ch; margin: 22px auto 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; margin-top: 34px; }

.install {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 7px 7px 18px;
  font: 500 13.5px/1 var(--mono); color: var(--text);
  max-width: 100%; overflow: hidden;
}
.install span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.install .dollar { color: var(--faint); }
.copy {
  border: 1px solid var(--line-strong); background: transparent; color: var(--muted);
  font: 500 12px/1 var(--sans); padding: 8px 12px; border-radius: 999px; cursor: pointer; flex-shrink: 0;
}
.copy:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.copy[data-done="1"] { color: var(--good); border-color: rgba(110, 231, 135, 0.4); }

.trust {
  display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center;
  margin-top: 26px; font: 500 12.5px/1 var(--mono); color: var(--faint);
}
.trust b { color: var(--muted); font-weight: 500; }

/* ---------- terminal ---------- */

.term-shell { margin-top: clamp(40px, 6vw, 64px); }
.term {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.02);
  text-align: left;
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 15px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #14161a, #0f1114);
}
.dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.dot.r { background: #ff5f56; } .dot.y { background: #ffbd2e; } .dot.g { background: #27c93f; }
.term-title { margin-left: 8px; font: 500 12px/1 var(--mono); color: var(--faint); }
.term-live { margin-left: auto; display: flex; align-items: center; gap: 7px; font: 500 11px/1 var(--mono); color: var(--faint); }
.term-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--good); }

.term-body {
  margin: 0; padding: 20px clamp(16px, 2.4vw, 26px) 24px;
  font: 400 clamp(12px, 1.28vw, 13.6px)/1.62 var(--mono);
  white-space: pre-wrap; word-break: break-word;
  /* Fixed viewport, like a real terminal: replaying a scenario scrolls inside
     the box instead of pushing the rest of the page around. */
  height: clamp(330px, 44vh, 430px); overflow-y: auto;
  tab-size: 4; scrollbar-width: thin;
}
/* On a phone, 11px is what keeps mm's ~54-column output on one line each.
   Wrapped terminal output reads as broken, so the type shrinks instead. */
@media (max-width: 620px) { .term-body { font-size: 11px; height: 332px; padding-inline: 13px; } }
@media (max-width: 430px) { .term-body { font-size: 10.2px; padding-inline: 11px; } }
.term-body .prompt { color: var(--faint); }
.term-body .cmd { color: var(--text); font-weight: 500; }
.term-body .caret {
  display: inline-block; width: 7px; height: 1.05em; vertical-align: text-bottom;
  background: var(--accent); animation: blink 1.05s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* the ANSI classes emitted by site/tools/capture.py. <i> is used because it is
   the shortest tag available and the captures repeat it thousands of times —
   so the italics have to be turned back off. */
.term-body i { font-style: normal; }
.term-body .d { color: var(--faint); }
.term-body .b { color: #fff; font-weight: 600; }
.term-body .a { color: var(--accent); }
.term-body .g { color: var(--good); }
.term-body .w { color: var(--warn); }

.term-foot {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px; border-top: 1px solid var(--line); background: #0c0e11;
}
.term-note { font: 400 13px/1.5 var(--sans); color: var(--muted); flex: 1; min-height: 2.9em; }
.term-btns { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.term-count { font: 500 11.5px/1 var(--mono); color: var(--faint); margin-right: 4px; }
.term-btns button {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  border-radius: 8px; width: 34px; height: 30px; cursor: pointer;
  font: 500 12px/1 var(--mono);
}
.term-btns button:hover:not(:disabled) { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.term-btns button:disabled { opacity: 0.35; cursor: default; }

.tabs { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; margin-bottom: 16px; }
.tabs button {
  background: var(--surface); border: 1px solid var(--line); color: var(--muted);
  font: 500 13px/1 var(--sans); padding: 9px 16px; border-radius: 999px; cursor: pointer;
  transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] {
  color: #04191c; background: var(--accent); border-color: var(--accent); font-weight: 600;
}
.tab-blurb { text-align: center; color: var(--faint); font: 400 13.5px/1.5 var(--sans); margin: 0 auto 18px; max-width: 52ch; }

/* ---------- sections ---------- */

section { padding-block: var(--gap); }
.sec-head { max-width: 62ch; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 + .lede { margin-top: 16px; }

.rule { height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); border: 0; margin: 0; }

/* Grid and flex children default to min-width:auto, so a <pre> of unbreakable
   command text widens its column and takes the whole page with it. */
.grid > *, .install-grid > *, .steps li, .steps li > * { min-width: 0; }

.grid { display: grid; gap: 16px; margin-top: 44px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(292px, 100%), 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
/* Exactly two columns on desktop — for sets of four, where auto-fit would
   otherwise produce three and leave an orphan. */
.grid-pair { grid-template-columns: repeat(auto-fit, minmax(min(430px, 100%), 1fr)); }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.card .k {
  font: 500 11.5px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--faint); display: block; margin-bottom: 14px;
}
.card h3 { margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.62; }
.card p + p { margin-top: 10px; }
.card.accent { border-color: rgba(103, 232, 249, 0.28); background: linear-gradient(180deg, rgba(103, 232, 249, 0.05), var(--surface)); }
.card.accent .k { color: var(--accent); }

.snippet {
  background: #0b0d10; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin: 0;
  font: 400 12.6px/1.6 var(--mono); color: var(--muted);
  white-space: pre; overflow-x: auto;
}
.snippet .a { color: var(--accent); }
.snippet .d { color: var(--faint); }
.snippet .g { color: var(--good); }
.snippet .w { color: var(--warn); }
.snippet + p, p + .snippet { margin-top: 14px; }

/* comparison table */
.table-wrap { margin-top: 40px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp {
  width: 100%; min-width: 660px; border-collapse: collapse;
  font-size: 14.3px; text-align: left;
}
.cmp caption {
  caption-side: bottom; padding-top: 16px;
  color: var(--faint); font-size: 13px; text-align: left;
}
.cmp th, .cmp td { padding: 15px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th {
  font: 600 14px/1.35 var(--sans); color: var(--text);
  border-bottom-color: var(--line-strong);
}
.cmp thead th:first-child { width: 20%; }
.cmp .th-eg { display: block; font: 400 11.5px/1.4 var(--mono); color: var(--faint); margin-top: 5px; }
.cmp tbody th { font: 500 14px/1.45 var(--sans); color: var(--muted); }
.cmp td { color: var(--muted); }
.cmp td.yes { color: var(--text); background: rgba(103, 232, 249, 0.055); }
.cmp tbody tr:last-child th, .cmp tbody tr:last-child td { border-bottom: 0; }

/* who it is for */
.card ul { margin: 0; padding-left: 19px; color: var(--muted); font-size: 14.5px; line-height: 1.6; }
.card li + li { margin-top: 9px; }
.card.fit-yes { border-color: rgba(110, 231, 135, 0.26); }
.card.fit-yes .k { color: var(--good); }
.card.fit-no .k { color: var(--warn); }

/* numbered mechanism list */
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; gap: 2px; }
.steps li {
  display: grid; grid-template-columns: 42px 1fr; gap: 18px; align-items: start;
  padding: 22px; background: var(--surface); border: 1px solid var(--line);
}
.steps li:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.steps li:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.steps li + li { border-top: 0; }
.steps .n {
  font: 500 12px/1 var(--mono); color: var(--accent);
  border: 1px solid rgba(103, 232, 249, 0.3); border-radius: 8px;
  width: 42px; height: 30px; display: grid; place-items: center;
}
.steps h3 { margin-bottom: 7px; }
.steps p { color: var(--muted); font-size: 14.5px; }

/* quote / philosophy pull */
blockquote {
  margin: 0; padding: 30px 0 0;
  font: 500 clamp(20px, 2.7vw, 29px)/1.35 var(--sans);
  letter-spacing: -0.02em; text-align: center;
}
blockquote .accent { color: var(--accent); }
blockquote footer { margin-top: 18px; font: 400 13.5px/1.5 var(--sans); color: var(--faint); letter-spacing: 0; }

/* faq */
details {
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
  padding: 0 18px; margin-top: 10px;
}
details summary {
  cursor: pointer; padding: 17px 0; font: 500 15px/1.4 var(--sans);
  list-style: none; display: flex; align-items: center; gap: 12px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; margin-left: auto; color: var(--faint); font-family: var(--mono); }
details[open] summary::after { content: "\2212"; }
details .body { padding: 0 0 18px; color: var(--muted); font-size: 14.5px; line-height: 1.65; }
details .body p + p { margin-top: 10px; }

/* install section */
.install-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(288px, 100%), 1fr)); margin-top: 40px; }
.install-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.install-card h3 { margin-bottom: 6px; }
.install-card .why { color: var(--faint); font-size: 13.5px; margin-bottom: 16px; }

/* ---------- documentation page ---------- */

.doc-layout {
  display: grid; grid-template-columns: 232px minmax(0, 1fr);
  gap: 56px; align-items: start; padding-top: 46px;
}
/* Without this a grid child refuses to shrink past its content, and the
   two-column nav below drags the whole page wider than a phone. */
.doc-layout > * { min-width: 0; }
@media (max-width: 900px) { .doc-layout { grid-template-columns: 1fr; gap: 28px; } }

.doc-nav { position: sticky; top: 88px; max-height: calc(100vh - 110px); overflow-y: auto; }
@media (max-width: 900px) {
  .doc-nav {
    position: static; max-height: none;
    border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px;
    background: var(--surface);
  }
  .doc-nav nav { columns: 2; column-gap: 24px; }
  .doc-nav-h:first-child { margin-top: 0; }
}
@media (max-width: 560px) { .doc-nav nav { columns: 1; } }
.doc-nav-h {
  font: 500 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint); margin: 26px 0 9px;
}
.doc-nav-h:first-child { margin-top: 0; }
.doc-nav a {
  display: block; padding: 6px 0; font-size: 14px; color: var(--muted);
  text-decoration: none; line-height: 1.35;
}
.doc-nav a:hover { color: var(--accent); }

.doc-main { padding-bottom: 40px; min-width: 0; }
.doc-title { font-size: clamp(32px, 4.6vw, 46px); margin-bottom: 18px; }
.doc-main > .lede { margin-bottom: 8px; }

.doc-main h2 {
  font-size: clamp(23px, 2.9vw, 30px); margin: 68px 0 16px;
  padding-top: 28px; border-top: 1px solid var(--line); scroll-margin-top: 92px;
}
.doc-main h3 {
  font-size: 16.5px; margin: 32px 0 11px; color: var(--text); scroll-margin-top: 92px;
}
.doc-main p { color: var(--muted); font-size: 15px; line-height: 1.7; margin-bottom: 14px; }
.doc-main p strong, .doc-main li strong { color: var(--text); font-weight: 600; }
.doc-main a:not(.btn) { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.doc-main ol, .doc-main ul {
  color: var(--muted); font-size: 15px; line-height: 1.7;
  padding-left: 22px; margin: 0 0 14px;
}
.doc-main li + li { margin-top: 7px; }
.doc-main .snippet { margin-bottom: 16px; }
.doc-main .table-wrap { margin: 8px 0 18px; }
.doc-main .cmp.ref { min-width: 560px; font-size: 14px; }
.doc-main .cmp.ref th[scope="row"] { color: var(--text); font-weight: 500; width: 30%; }
.doc-main .cmp.ref code { white-space: nowrap; }

/* definition rows: term on the left, meaning on the right */
.def {
  display: grid; grid-template-columns: minmax(150px, 300px) 1fr;
  gap: 2px 22px; margin: 0 0 18px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
  background: var(--surface);
}
.def > div { padding: 7px 0; font-size: 14.5px; color: var(--muted); line-height: 1.6; min-width: 0; }
/* Terms are commands; let a long one wrap rather than run into the meaning. */
.def > div:nth-child(odd) code { white-space: normal; overflow-wrap: anywhere; }
.def > div:nth-child(odd) { color: var(--text); }
@media (max-width: 620px) {
  .def { grid-template-columns: 1fr; gap: 0; }
  .def > div:nth-child(odd) { padding-bottom: 2px; }
  .def > div:nth-child(even) { padding-top: 0; padding-bottom: 16px; }
}

.callout {
  border-left: 2px solid var(--accent);
  background: rgba(103, 232, 249, 0.05);
  padding: 14px 18px; border-radius: 0 8px 8px 0;
  margin: 0 0 18px;
}

.doc-end {
  margin-top: 68px; padding: 28px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface);
}
.doc-end h3 { margin-top: 0; }

footer.site {
  border-top: 1px solid var(--line); padding: 40px 0 56px; margin-top: var(--gap);
}
.foot-inner { display: flex; flex-wrap: wrap; gap: 20px 32px; align-items: center; }
.foot-inner .fb { font: 600 15px/1 var(--mono); }
.foot-inner .fb .caret { color: var(--accent); }
.foot-links { margin-left: auto; display: flex; flex-wrap: wrap; gap: 20px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.foot-links a:hover { color: var(--text); }
.foot-note { color: var(--faint); font-size: 13px; margin-top: 24px; }