/* carify project page. The page is a car's instrument cluster: the head unit's limits are the
   redlines, and each recorded run moves the needles. Colours are the RFS Nightshift and Dayshift
   values; everything else is this page's own. Decisions: DESIGN.md. */

@font-face { font-family: "Saira"; font-weight: 100 900; font-stretch: 50% 125%; font-display: swap; src: url(fonts/saira-latin-var.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 100 800; font-display: swap; src: url(fonts/jetbrains-mono-latin-var.woff2) format("woff2"); }

/* ---------- tokens ---------- */
:root {
  /* RFS Nightshift */
  --bg: #0C0D10; --surface: #13151A; --raised: #1A1D24; --code-bg: #070809;
  --line: #262A33; --line-strong: #636872; --ink: #E8E6E1; --mute: #8A8F99;
  --ember: #FF6A3D; --ember-hover: #FC7951; --ember-press: #F98864; --on-ember: #0C0D10;
  --amber: #FFC247; --mint: #3DDC97; --rasp: #F06292;
  --plate: var(--raised); --face-in: var(--surface); --face-out: var(--code-bg); --screen: var(--code-bg);
  --glow: drop-shadow(0 0 5px color-mix(in srgb, var(--ember) 70%, transparent));
  --plate-shadow: 0 50px 100px -50px rgb(0 0 0 / .9);
  color-scheme: dark;

  --sans: "Saira", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Type: 16px @360 -> 18px @1440, ratio 1.2 -> 1.333 (scale.mjs) */
  --step-5: clamp(2.4883rem, 1.7395rem + 3.3281vw, 4.7348rem);
  --step-4: clamp(2.0736rem, 1.5808rem + 2.1902vw, 3.552rem);
  --step-3: clamp(1.728rem, 1.4158rem + 1.3877vw, 2.6647rem);
  --step-2: clamp(1.44rem, 1.2537rem + 0.8281vw, 1.999rem);
  --step-1: clamp(1.2rem, 1.1001rem + 0.4439vw, 1.4996rem);
  --step-0: clamp(1rem, 0.9583rem + 0.1852vw, 1.125rem);
  --step--1: clamp(0.8333rem, 0.8298rem + 0.0157vw, 0.844rem);

  --space-3xs: clamp(0.25rem, 0.2396rem + 0.0463vw, 0.2813rem);
  --space-2xs: clamp(0.5rem, 0.4792rem + 0.0926vw, 0.5625rem);
  --space-xs: clamp(0.75rem, 0.7188rem + 0.1389vw, 0.8438rem);
  --space-s: clamp(1rem, 0.9583rem + 0.1852vw, 1.125rem);
  --space-m: clamp(1.5rem, 1.4375rem + 0.2778vw, 1.6875rem);
  --space-l: clamp(2rem, 1.9167rem + 0.3704vw, 2.25rem);
  --space-xl: clamp(3rem, 2.875rem + 0.5556vw, 3.375rem);
  --space-s-l: clamp(1rem, 0.5833rem + 1.8519vw, 2.25rem);
  --space-m-xl: clamp(1.5rem, 0.875rem + 2.7778vw, 3.375rem);
  --space-xl-3xl: clamp(3rem, 1.75rem + 5.5556vw, 6.75rem);

  --wrap: 1240px; --gutter: clamp(1rem, 4vw, 2.5rem);
  --r-plate: 28px; --r-s: 8px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
/* RFS Dayshift */
:root[data-theme="dayshift"] {
  --bg: #F6F5F2; --surface: #FFFFFF; --raised: #ECEAE4; --code-bg: #FFFFFF;
  --line: #D6D3CB; --line-strong: #89867F; --ink: #1A1B1E; --mute: #666A73;
  --ember: #C03B0A; --ember-hover: #AC370C; --ember-press: #98330F; --on-ember: #FFFFFF;
  --amber: #925F00; --mint: #15794D; --rasp: #B0306A;
  --plate: var(--surface); --face-in: var(--surface); --face-out: var(--raised); --screen: var(--raised);
  --glow: none; --plate-shadow: 0 40px 70px -50px rgb(26 27 30 / .45);
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="nightshift"]) {
    --bg: #F6F5F2; --surface: #FFFFFF; --raised: #ECEAE4; --code-bg: #FFFFFF;
    --line: #D6D3CB; --line-strong: #89867F; --ink: #1A1B1E; --mute: #666A73;
    --ember: #C03B0A; --ember-hover: #AC370C; --ember-press: #98330F; --on-ember: #FFFFFF;
    --amber: #925F00; --mint: #15794D; --rasp: #B0306A;
    --plate: var(--surface); --face-in: var(--surface); --face-out: var(--raised); --screen: var(--raised);
    --glow: none; --plate-shadow: 0 40px 70px -50px rgb(26 27 30 / .45);
    color-scheme: light;
  }
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 var(--step-0)/1.6 var(--sans); font-stretch: 100%; -webkit-font-smoothing: antialiased; }
::selection { background: color-mix(in srgb, var(--ember) 32%, transparent); color: var(--ink); }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 4px; }
a { color: inherit; text-decoration: underline; text-decoration-color: var(--line-strong); text-decoration-thickness: 1px; text-underline-offset: .22em; transition: text-decoration-color .18s; }
@media (hover: hover) { a:hover { text-decoration-color: var(--ember); } }
code, pre { font-family: var(--mono); font-size: .9em; }
pre code { font-size: 1em; }
p code, li code, td code, th code { overflow-wrap: anywhere; }
h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.05; text-wrap: balance; }
p, li { text-wrap: pretty; }
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: var(--gutter); top: -4rem; z-index: 10; padding: .5rem .9rem; background: var(--ember); color: var(--on-ember); border-radius: var(--r-s); font-weight: 600; text-decoration: none; }
.skip:focus { top: .75rem; }
.mute { color: var(--mute); }
/* Cluster legends: condensed capitals, the way instrument labels are set. */
.legend, .hub-title, .hub-state, .usb, .tabs button, .cmd-head, .limits th[scope="col"], .runs-table th[scope="col"], .params th[scope="col"], .file em {
  font-family: var(--sans); font-stretch: 75%; font-weight: 650; text-transform: uppercase; letter-spacing: .14em;
}

/* ---------- header ---------- */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: var(--space-m); min-height: 4rem; }
.mark { font-stretch: 125%; font-weight: 800; font-size: 1.45rem; letter-spacing: .02em; text-decoration: none; line-height: 1; padding-block: .3rem; }
.mark::after { content: ""; display: block; height: 3px; margin-top: .3rem; background: linear-gradient(90deg, var(--line-strong) 0 68%, var(--rasp) 68% 100%); border-radius: 2px; }
.top nav { display: flex; gap: var(--space-m); margin-left: auto; font-size: var(--step--1); }
.top nav a { text-decoration: none; color: var(--mute); padding-block: .5rem; transition: color .18s; }
@media (hover: hover) { .top nav a:hover { color: var(--ink); } }
.theme { font: 650 .8rem/1 var(--sans); font-stretch: 75%; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: none; border: 1px solid var(--line-strong); border-radius: 999px; padding: .55rem .95rem; cursor: pointer; transition: border-color .18s; min-height: 2.25rem; }
@media (hover: hover) { .theme:hover { border-color: var(--ember); } }
.theme .t-day { display: none; }
:root[data-theme="dayshift"] .theme .t-night { display: none; }
:root[data-theme="dayshift"] .theme .t-day { display: inline; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="nightshift"]) .theme .t-night { display: none; }
  :root:not([data-theme="nightshift"]) .theme .t-day { display: inline; }
}
@media (max-width: 860px) { .top nav a:not(:last-child) { display: none; } }

/* ---------- hero ---------- */
.hero { padding-block: var(--space-m) var(--space-xl-3xl); }
.hero-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-s) var(--space-xl); align-items: start; }
@media (min-width: 980px) { .hero-head { grid-template-columns: minmax(0, 1fr) minmax(0, 33rem); } .hero-head h1 { grid-column: 1 / -1; } }
h1 { font-size: clamp(2.2rem, 1.15rem + 4.3vw, 5rem); font-weight: 720; letter-spacing: -.02em; line-height: .98; margin-bottom: var(--space-2xs); }
.sub { margin: 0; color: var(--mute); max-width: 54ch; }
@media (min-width: 980px) { .sub { font-size: var(--step-1); line-height: 1.5; } }
.install { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); overflow: hidden; }
.install-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-xs); padding-right: .45rem; border-bottom: 1px solid var(--line); }
.tabs { display: flex; }
.tabs button { flex: 0 0 auto; font-size: .8rem; color: var(--mute); background: none; border: 0; border-bottom: 2px solid transparent; padding: .8rem 1rem .7rem; cursor: pointer; min-height: 2.75rem; transition: color .18s; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ember); }
@media (hover: hover) { .tabs button:hover { color: var(--ink); } }
.pane { padding: var(--space-xs) var(--space-s); }
.pane[hidden] { display: none; }
.pane code { display: block; font-size: .8rem; line-height: 1.55; word-break: break-all; }
@media (max-width: 560px) { .pane code { font-size: .76rem; } }
.copy { flex: none; font: 650 .9rem/1 var(--sans); font-stretch: 87%; letter-spacing: .04em; color: var(--on-ember); background: var(--ember); border: 0; border-radius: 8px; padding: .6rem 1.1rem; min-height: 2.5rem; cursor: pointer; transition: background .15s; }
@media (hover: hover) { .copy:hover { background: var(--ember-hover); } }
.copy:active { background: var(--ember-press); }
.install-note { margin: 0; padding: var(--space-xs) var(--space-s); border-top: 1px solid var(--line); font-size: var(--step--1); color: var(--mute); line-height: 1.55; }
.install-note code { color: var(--ink); font-size: .9em; }

/* ---------- the cluster ---------- */
.cluster { margin: var(--space-l) 0 0; }
.binnacle {
  position: relative; display: grid; gap: var(--space-m) var(--space-m); align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "v a" "screen screen";
  padding: var(--space-s-l); background: var(--plate); border: 1px solid var(--line);
  border-radius: var(--r-plate); box-shadow: var(--plate-shadow);
}
@media (min-width: 900px) {
  .binnacle { grid-template-columns: minmax(0, 290px) minmax(0, 1fr) minmax(0, 290px); grid-template-areas: "v screen a"; }
}
#gauge-v { grid-area: v; } #gauge-a { grid-area: a; }
.gauge { display: grid; justify-items: center; gap: var(--space-2xs); width: 100%; }
.gauge .legend { justify-content: center; }
.console { grid-area: screen; display: grid; grid-template-rows: auto 1fr; gap: var(--space-2xs); align-self: stretch; min-width: 0; }
.legend { display: flex; justify-content: space-between; gap: .4rem 1rem; flex-wrap: wrap; margin: 0; font-size: .8rem; line-height: 1.4; color: var(--mute); }
.legend span:first-child { white-space: nowrap; }
.dial { position: relative; container-type: inline-size; aspect-ratio: 1; width: 100%; max-width: 300px; justify-self: center; }
.face { display: block; width: 100%; height: 100%; overflow: visible; }
.g0 { stop-color: var(--face-in); } .g1 { stop-color: var(--face-out); }
.face .rim { fill: url(#face-grad); stroke: var(--line); stroke-width: 2; }
.face .red { fill: none; stroke: var(--rasp); stroke-width: 5; }
.face .mj { stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.face .mn { stroke: var(--line-strong); stroke-width: 1.6; stroke-linecap: round; }
.face .nums text { fill: var(--ink); font: 600 17px var(--sans); font-stretch: 75%; text-anchor: middle; }
.face .nums .lim { fill: var(--rasp); }
.face .needle, .face .ghost { transform-box: view-box; transform-origin: 160px 160px; }
.face .needle { fill: var(--ember); transform: rotate(var(--a, -120deg)); filter: var(--glow); }
.face .ghost { fill: var(--rasp); fill-opacity: .5; transform: rotate(var(--g, -120deg)); opacity: 0; }
.dial[data-ghost] .ghost { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .face .needle { transition: transform var(--t, .6s) var(--ez, var(--ease)); }
  .face .ghost { transition: opacity .25s; }
}

/* Hub text sits where the README cluster puts it, in fractions of the 320-unit dial. */
.hub { position: absolute; inset: 0; margin: 0; pointer-events: none; text-align: center; line-height: 1; }
.hub > * { position: absolute; left: 12%; right: 12%; }
.hub-val { top: 50%; transform: translateY(-50%); font-size: 17.5cqw; font-weight: 720; font-variant-numeric: tabular-nums; letter-spacing: -.01em; line-height: 1; }
.hub-from { top: 63%; font: 400 max(12px, 4.6cqw)/1 var(--mono); color: var(--mute); }
.hub-state { top: 75%; font-size: max(12px, 5.6cqw); font-weight: 720; letter-spacing: .18em; }
.hub-codec { top: 84%; font-size: max(12px, 5cqw); }
.hub [data-s="fits"] { color: var(--mint); }
.hub [data-s="over"] { color: var(--rasp); }
.hub [data-s="off"] { color: var(--line-strong); }

.screen { align-self: stretch; display: flex; flex-direction: column; min-width: 0; background: var(--screen); border: 1px solid var(--line); border-radius: 16px; padding: var(--space-s); }
.term { flex: 1; margin: 0; padding: 0; background: none; border: 0; border-radius: 0; overflow: visible; font-size: clamp(.75rem, .7rem + .2vw, .8rem); line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; min-height: 13.5em; color: var(--ink); }
.term code { font-size: 1em; }
.term > code > span { display: block; }
.term b { font-weight: 500; }
.term .ps { color: var(--mute); }
.term .l-tag b { color: var(--ember); }
.term .l-ok b { color: var(--mint); }
.term .l-warn b { color: var(--amber); }
.term .l-err b { color: var(--rasp); }
.term .l-progress { color: var(--mute); }
.term .caret { display: inline-block; width: .6em; height: 1.1em; vertical-align: -.2em; background: var(--ember); }
@media (prefers-reduced-motion: no-preference) { .term .caret { animation: blink 1s steps(1) infinite; } }
@keyframes blink { 50% { opacity: 0; } }
.bar { height: 5px; margin: var(--space-xs) 0; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--ember); transform-origin: left; transform: scaleX(var(--p, 0)); }
@media (prefers-reduced-motion: no-preference) { .bar i { transition: transform .5s linear; } }
.usb { display: flex; justify-content: space-between; align-items: center; margin: 0; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 10px; font-size: .82rem; color: var(--mute); }
.usb b { font-weight: 700; }
.usb span { display: none; }
.usb[data-s="none"] .w-none, .usb[data-s="copy"] .w-copy, .usb[data-s="done"] .w-done { display: inline; }
.usb[data-s="copy"] .w-copy { color: var(--ember); }
.usb[data-s="done"] .w-done { color: var(--mint); }

figcaption { margin-top: var(--space-s); }
.files { display: grid; gap: var(--space-2xs); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .files { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.file { display: grid; gap: .15rem; text-align: left; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .7rem .9rem .75rem; cursor: pointer; position: relative; transition: border-color .18s; }
.file code { font-size: .86rem; overflow-wrap: anywhere; }
.file span { font-size: var(--step--1); color: var(--mute); line-height: 1.35; }
.file em { order: -1; font-style: normal; font-size: .78rem; color: var(--rasp); }
.file[data-run="dashcam"] em { color: var(--mint); }
.file[aria-pressed="true"] { border-color: var(--ember); box-shadow: inset 0 3px 0 var(--ember); }
@media (hover: hover) { .file:hover { border-color: var(--line-strong); } .file[aria-pressed="true"]:hover { border-color: var(--ember); } }
.file:disabled { cursor: progress; }
.cap-note { margin: var(--space-xs) 0 0; font-size: var(--step--1); color: var(--mute); max-width: 80ch; }

/* ---------- sections ---------- */
section { padding-block: clamp(3rem, 2rem + 3vw, 5rem); border-top: 1px solid var(--line); }
h2 { font-size: var(--step-3); letter-spacing: -.01em; margin-bottom: var(--space-s); }

.why { padding-block: var(--space-xl); }
.big { margin: 0; font-size: var(--step-2); line-height: 1.32; font-weight: 500; max-width: 34ch; letter-spacing: -.005em; }
.aside { margin: var(--space-m) 0 0; color: var(--mute); max-width: 64ch; }

.how-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-l) var(--space-xl); }
@media (min-width: 980px) { .how-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } }
.how-intro p { margin: 0 0 var(--space-s); max-width: 44ch; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; line-height: 1.5; }
th, td { text-align: left; vertical-align: top; padding: .7rem .9rem .7rem 0; border-bottom: 1px solid var(--line); }
thead th { font-size: .78rem; color: var(--mute); font-weight: 650; padding-bottom: .55rem; border-bottom-color: var(--line-strong); }
.limits tbody th { font-size: .95rem; font-weight: 700; width: 6.5rem; }
.limits td code, .runs-table code, .params code { color: var(--ink); }
/* The "plays" column ends on a redline: past it, carify steps in. */
.limits td.line { position: relative; padding-right: 1.4rem; }
.limits td.line::after { content: ""; position: absolute; right: .55rem; top: .55rem; bottom: .55rem; width: 3px; border-radius: 2px; background: var(--rasp); }

.runs .lede { margin: 0 0 var(--space-m); color: var(--mute); max-width: 70ch; }
.scroll { overflow-x: auto; }
.runs-table { min-width: 860px; }
.runs-table tbody th code { font-size: .9rem; font-weight: 500; }
.runs-table td { font-family: var(--mono); font-size: .8rem; }
.runs-table .num { white-space: nowrap; font-variant-numeric: tabular-nums; }
.runs-table .num span { color: var(--mute); }

.cmds { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-m); }
@media (min-width: 900px) { .cmds { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cmd-head { margin: 0 0 .5rem; font-size: .8rem; color: var(--mute); }
pre { margin: 0; padding: var(--space-s); background: var(--code-bg); border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; line-height: 1.7; font-size: .84rem; }
pre .c { color: var(--mute); }

.config-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-l) var(--space-xl); }
@media (min-width: 980px) { .config-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } }
.config-grid p { margin: 0; max-width: 44ch; }
.params tbody th { white-space: nowrap; font-weight: 400; }

.tested-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-l) var(--space-xl); }
@media (min-width: 900px) { .tested-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.tested ul { margin: 0; padding: 0; list-style: none; }
.tested li { padding: .7rem 0; border-bottom: 1px solid var(--line); }
.tested li:first-child { padding-top: 0; }

footer { border-top: 1px solid var(--line); padding-block: var(--space-l); font-size: var(--step--1); color: var(--mute); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; }
footer p { margin: 0; }
footer a { padding-block: .35rem; display: inline-block; }

@media print { .top nav, .theme, .files, .skip { display: none; } }