/* Xav · a decision-model demo lab.
   Retro office computing: desktop-OS windows and menu bar (pinstriped title bars, version chips),
   black brutalist result slabs, pink accents. High-contrast ink on warm paper. */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&family=Martian+Mono:wdth,wght@75..112.5,400..800&display=swap");

/* /static/fonts.css declares Mono45 Headline only if licensed files exist in static/fonts/; otherwise Martian Mono. */
@import url("/static/fonts.css");

:root {
  --paper: #f5f4ef; --paper-2: #e9e8e2; --window: #ffffff; --ink: #1e1e1e; --ink-2: #3b3b3b; --grey: #dedede;
  --pink: #f386a1; --magenta: #d45bb6; --teal: #09aea1; --green: #1f7a35; --green-2: #2f8f3a;
  --beige: #d8cfbb; --beige-dark: #a89c80; --crt: #0b1e24; --crt-2: #10303a; --phosphor: #a6f3ef; --phosphor-dim: #63bdb8;
  --amber: #f2b43c; --red: #c2361c;

  /* shared tokens used by page styles */
  --bg: var(--paper); --panel: var(--window); --text: var(--ink); --muted: var(--ink-2); --border: var(--ink);
  --accent: #0f5f8a; --accent-soft: #e4eef4; --bar: var(--green); --shadow: var(--ink); --carpet: var(--green-2);
  --good: #17602a; --good-soft: #def0de; --bad: #a32a14; --bad-soft: #f9e0da; --warn: #7a5600; --warn-soft: #f8ecce;
  --head: "Mono45 Headline", "Martian Mono", ui-monospace, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --screen: var(--head);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #151617; --paper-2: #212325; --window: #1c1e20; --ink: #f2f1ec; --ink-2: #cfcfc9; --grey: #3a3c3f;
    --beige: #6a6352; --beige-dark: #4c463a; --accent: #8ec5ea; --accent-soft: #1f3341; --green: #2e9a48;
    --good: #8fe0a0; --good-soft: #163420; --bad: #ff8f78; --bad-soft: #3d1a13; --warn: #f4ca63; --warn-soft: #3b2f10;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #151617; --paper-2: #212325; --window: #1c1e20; --ink: #f2f1ec; --ink-2: #cfcfc9; --grey: #3a3c3f;
  --beige: #6a6352; --beige-dark: #4c463a; --accent: #8ec5ea; --accent-soft: #1f3341; --green: #2e9a48;
  --good: #8fe0a0; --good-soft: #163420; --bad: #ff8f78; --bad-soft: #3d1a13; --warn: #f4ca63; --warn-soft: #3b2f10;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--text); font: 16px/1.6 var(--sans); min-height: 100vh;
       display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; }
main { flex: 1; position: relative; z-index: 1; width: 100%; min-width: 0; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
code, pre { font-family: var(--mono); font-size: 13.5px; font-variant-ligatures: none; font-feature-settings: "calt" 0, "liga" 0; }
:not(pre) > code { background: var(--paper-2); padding: 1px 5px; border: 1px solid var(--grey); border-radius: 3px; }
::selection { background: var(--pink); color: #1e1e1e; }
:focus-visible { outline: 3px solid var(--pink); outline-offset: 2px; }

#life { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── Menu bar ───────────────────────────────────────────────────────────────────── */
.menubar { position: sticky; top: 0; z-index: 10; display: flex; align-items: stretch; flex-wrap: wrap; min-height: 38px;
           background: var(--window); border-bottom: 2px solid var(--ink); font: 600 13px/1 var(--head); }
.menubar > * { display: flex; align-items: center; }
.menubar a, .menubar button.item { color: var(--text); text-decoration: none; padding: 0 13px; min-height: 36px; border: 0;
           background: none; font: inherit; cursor: pointer; letter-spacing: 0; text-transform: none; box-shadow: none; gap: 6px; }
.menubar a:hover, .menubar button.item:hover, .menubar button.item[aria-expanded="true"],
.menubar a[aria-current] { background: var(--ink); color: var(--paper); }
.menubar .apple { font-weight: 800; font-size: 15px; padding: 0 14px 0 12px; gap: 8px; }
.menubar .apple svg { width: 20px; height: 20px; }
.menubar .ver { font: 600 10px/1 var(--head); border: 1.5px solid currentColor; padding: 2px 4px; border-radius: 3px; }
.menubar .spacer { flex: 1; }
.menubar .tray { gap: 14px; padding: 0 12px; font-weight: 500; font-size: 12px; }
.menubar .tray input { width: 230px; padding: 5px 8px; font: 12px var(--mono); border-width: 1.5px; }
.menu { position: relative; }
.menubar .switch { gap: 9px; font-weight: 600; }
.menubar .switch .knob { width: 34px; height: 18px; border: 2px solid currentColor; position: relative; flex: none; background: var(--window); }
.menubar .switch .knob::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; background: var(--ink); transition: left .15s; }
.menubar .switch[aria-checked="true"] .knob { background: var(--pink); }
.menubar .switch[aria-checked="true"] .knob::after { left: 18px; background: #111; }
.menubar .switch:hover .knob::after { background: var(--paper); }
.menubar .switch[aria-checked="true"]:hover .knob::after { background: #111; }

/* plain-language mode */
:root:not([data-eli5="on"]) .eli5 { display: none !important; }
:root[data-eli5="on"] .tech { display: none !important; }
.menu .drop { position: absolute; top: 100%; left: 0; min-width: 270px; background: var(--window); border: 2px solid var(--ink);
              box-shadow: 5px 5px 0 var(--ink); padding: 4px 0; display: none; z-index: 11; }
.menu .drop.open { display: block; }
.menu .drop a { display: flex; justify-content: space-between; align-items: center; padding: 9px 14px; min-height: 0; font-weight: 500; }
.menu .drop a kbd { font: 500 11px var(--head); opacity: .75; }
.menu .drop hr { border: 0; border-top: 1.5px dashed var(--grey); margin: 4px 0; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--ink-2); margin-right: 5px; }
.dot.ok { background: #22b04b; box-shadow: 0 0 0 2px rgba(34,176,75,.25); } .dot.bad { background: var(--red); }
@media (max-width: 760px) { .menubar .tray { width: 100%; justify-content: space-between; border-top: 1.5px solid var(--grey); padding: 6px 12px; }
                            .menubar .tray input { width: 55%; } .menubar a, .menubar button.item { padding: 0 9px; } }

/* ── Layout & type ──────────────────────────────────────────────────────────────── */
.wrap { max-width: 1160px; margin: 0 auto; padding: 34px 24px 44px; }
@media (max-width: 720px) { .wrap { padding: 22px 16px 34px; } }
h1, h2, h3 { font-family: var(--head); font-variation-settings: "wdth" 87.5; letter-spacing: -.02em; }
h1 { font-size: clamp(30px, 5vw, 54px); font-weight: 800; line-height: 1.04; margin: 0 0 16px; }
h2 { font-size: clamp(21px, 2.6vw, 28px); font-weight: 750; line-height: 1.15; margin: 44px 0 14px; }
h3 { font-weight: 700; }
.lede { color: var(--muted); margin: 0 0 26px; max-width: 70ch; font-size: 17px; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
@media (max-width: 880px) { .grid2 { grid-template-columns: 1fr; } }

/* ── Windows ────────────────────────────────────────────────────────────────────── */
.panel { background: var(--panel); border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--shadow); padding: 0 18px 18px;
         min-width: 0; position: relative; }
.titlebar { display: flex; align-items: center; gap: 10px; margin: 0 -18px 16px; height: 26px; padding: 0 8px;
            border-bottom: 2px solid var(--ink); font: 600 11.5px/1 var(--head); color: var(--ink);
            background: repeating-linear-gradient(180deg, var(--window) 0 2px, var(--ink) 2px 3px) 0 5px / 100% 15px no-repeat, var(--window); }
.titlebar .close { width: 13px; height: 13px; border: 2px solid var(--ink); background: var(--window); flex: none; }
.titlebar .label, .titlebar .vers { background: var(--window); padding: 0 8px; }
.titlebar .label { margin: 0 auto; }
.titlebar .vers { font-weight: 500; opacity: .8; }

/* ── Forms ──────────────────────────────────────────────────────────────────────── */
label { display: block; font: 600 12px/1.3 var(--head); color: var(--ink); margin: 14px 0 6px; }
input, textarea, select { width: 100%; font: 15px/1.45 var(--sans); color: var(--text); background: var(--window);
       border: 2px solid var(--ink); border-radius: 0; padding: 9px 11px; }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--ink) 55%, transparent); }
button, .button { font: 700 13px/1.2 var(--head); cursor: pointer; border: 2px solid var(--ink); border-radius: 0;
         padding: 10px 16px; background: var(--ink); color: var(--paper); box-shadow: 3px 3px 0 var(--pink);
         text-decoration: none; display: inline-block; transition: transform .06s, box-shadow .06s, background .1s; }
button:hover { background: var(--green); border-color: var(--ink); color: #fff; }
button:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--pink); }
button.secondary, .button.secondary { background: var(--window); color: var(--text); box-shadow: 3px 3px 0 var(--ink); }
button.secondary:hover { background: var(--pink); color: #1e1e1e; }
button:disabled { opacity: .6; cursor: wait; }
.actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; align-items: center; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.chips button { padding: 6px 10px; font-size: 12px; font-weight: 600; }
.muted { color: var(--muted); }
.err { color: var(--bad); white-space: pre-wrap; font: 600 14px/1.5 var(--mono); }

/* ── Result slabs: flat, black, big numbers ──────────────────────────────────────── */
.slab { --text: #f5f4ef; --muted: #b9b8b2; --border: #f5f4ef; --panel: #111111; --accent: var(--pink); --accent-soft: #2a2a2a;
        --bar: var(--pink); --good: #111; --bad: #111; --warn: #111;
        background: #111111; color: #f5f4ef; box-shadow: 6px 6px 0 var(--pink); }
:root[data-theme="dark"] .slab, :root:not([data-theme="light"]) .slab { border-color: var(--ink); }
.slab .titlebar { background: repeating-linear-gradient(180deg, #111 0 2px, #f5f4ef 2px 3px) 0 5px / 100% 15px no-repeat, #111;
                  color: #f5f4ef; border-bottom-color: #f5f4ef; }
.slab .titlebar .label, .slab .titlebar .vers { background: #111; }
.slab .titlebar .close { background: #111; border-color: #f5f4ef; }
.slab a { color: var(--pink); }
.slab pre, .slab details pre { background: #000; color: #f5f4ef; border: 1.5px solid #3a3a3a; }
.slab table th { color: #b9b8b2; }
.refining { font: 800 26px/1.2 var(--head); letter-spacing: -.01em; animation: blink 1s steps(2) infinite; }
.refining::after { content: "█"; color: var(--pink); margin-left: 4px; }
@keyframes blink { 50% { opacity: .4; } }

.timing { display: flex; gap: 0; flex-wrap: wrap; margin: 18px 0 6px; border: 2px solid var(--border); }
.stat { padding: 10px 14px; border-right: 2px solid var(--border); flex: 1 1 110px; }
.stat:last-child { border-right: 0; }
.stat b { display: block; font: 800 28px/1 var(--head); font-variation-settings: "wdth" 80; font-variant-numeric: tabular-nums; }
.stat span { font: 600 10.5px/1.4 var(--head); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.q { border-top: 2px solid var(--border); padding: 14px 0 8px; }
.q h3 { margin: 0 0 10px; font: 800 15px/1.2 var(--head); display: flex; justify-content: space-between; gap: 12px; text-transform: uppercase; }
.q h3 small { color: var(--muted); font: 500 12.5px/1.4 var(--sans); text-align: right; text-transform: none; }
.q > div { counter-reset: bin; }
.opt { display: grid; grid-template-columns: minmax(80px, 36%) 1fr 70px; gap: 10px; align-items: center; font: 13.5px/1.3 var(--sans); margin: 6px 0; }
.opt .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opt.top .name { font-weight: 700; }
.track { height: 16px; background: #2a2a2a; border: 0; overflow: hidden; }
.fill { height: 100%; background: #6d6d6d; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.opt.top .fill { background: var(--pink); }
.pct { text-align: right; font: 800 16px/1 var(--head); font-variant-numeric: tabular-nums; }
.verdict { padding: 18px 16px; text-align: left; border: 0; font: 800 clamp(30px, 4.4vw, 48px)/1 var(--head);
           font-variation-settings: "wdth" 80; letter-spacing: -.02em; text-transform: uppercase; color: #111; }
.verdict.good { background: #41e08a; } .verdict.bad { background: #ff5a3c; } .verdict.warn { background: #ffd23f; }
.verdict small { display: block; font: 600 13.5px/1.5 var(--sans); letter-spacing: 0; text-transform: none; margin-top: 8px; color: #111; }

/* ── Docs bits ──────────────────────────────────────────────────────────────────── */
pre.code { background: #111; color: #f5f4ef; border: 2px solid var(--ink); padding: 14px 16px; overflow-x: auto;
           margin: 12px 0; position: relative; box-shadow: 5px 5px 0 var(--pink); line-height: 1.55; }
.copy { position: absolute; top: 8px; right: 8px; padding: 4px 9px; font-size: 11px; background: var(--pink); color: #111;
        border-color: #111; box-shadow: none; }
details summary { cursor: pointer; font: 600 12px var(--head); margin-top: 12px; }
details pre { overflow: auto; max-height: 320px; padding: 8px; font-size: 12px; }
ol.steps { padding-left: 0; list-style: none; counter-reset: step; }
ol.steps > li { counter-increment: step; margin-bottom: 24px; padding-left: 60px; position: relative; min-height: 48px; }
ol.steps > li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: -2px; width: 44px; height: 44px;
  display: grid; place-items: center; font: 800 18px/1 var(--head); background: var(--ink); color: var(--paper); box-shadow: 3px 3px 0 var(--pink); }
.note { border: 2px solid var(--ink); border-left: 10px solid var(--pink); background: var(--window); padding: 12px 16px; margin: 16px 0; font-size: 15px; }

/* ── Footer: just the taglines ───────────────────────────────────────────────────── */
.carpet { position: relative; z-index: 1; margin-top: 40px; background: var(--window); color: var(--ink); border-top: 2px solid var(--ink); padding: 18px 24px 20px; }
.carpet .inner { max-width: 1160px; margin: 0 auto; display: flex; justify-content: center; text-align: center; }
.carpet .slogan { font: 800 16px/1.4 var(--head); font-variation-settings: "wdth" 87.5; }
.carpet .slogan::before { content: "“"; color: var(--pink); } .carpet .slogan::after { content: "”"; color: var(--pink); }
.carpet .meta { font: 500 12px/1.4 var(--head); color: var(--muted); }

/* Dialogs (about box) */
.dialog { position: fixed; z-index: 30; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(420px, calc(100vw - 32px));
          background: var(--window); border: 2px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); padding: 0 18px 18px; animation: pop .18s ease-out; }
.dialog.toast { top: auto; bottom: 24px; transform: translateX(-50%); }
.dialog p { margin: 0 0 12px; }
@keyframes pop { from { opacity: 0; margin-top: 10px; } }

@media (prefers-reduced-motion: reduce) { .refining, .dialog { animation: none; } .fill { transition: none; } }