/* Sorve MATRIZ: component layer. var(--mz-*) only; no raw colours, sizes or durations outside tokens/sorve-matriz.tokens.css.
   Rules of form: corners are chamfered (45 degrees), strokes are monoline, data is pixels, the layout pitch is 8 px. */

@font-face { font-family: "Chakra Petch"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ChakraPetch-500.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ChakraPetch-600.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/ChakraPetch-700.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/IBMPlexSans-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/IBMPlexSans-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/IBMPlexSans-600.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/IBMPlexMono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/IBMPlexMono-500.woff2") format("woff2"); }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--mz-color-bg); color: var(--mz-color-text); font: var(--mz-type-body); letter-spacing: var(--mz-type-body-tracking); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; }
button, input, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
a { color: var(--mz-color-link); text-decoration: underline; text-decoration-thickness: var(--mz-stroke-hairline); text-underline-offset: var(--mz-space-1); }
a:hover { color: var(--mz-color-accent-hover); }
:focus-visible { outline: var(--mz-size-focus-ring) solid var(--mz-color-focus-ring); outline-offset: var(--mz-size-focus-offset); }
::selection { background: var(--mz-color-accent); color: var(--mz-color-on-accent); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- chamfer (the wordmark's 45-degree corner) ---------- */
.ch-xs, .ch-sm, .ch-md, .ch-lg, .ch-xl { corner-shape: bevel; }
.ch-xs { border-radius: var(--mz-chamfer-xs); }
.ch-sm { border-radius: var(--mz-chamfer-sm); }
.ch-md { border-radius: var(--mz-chamfer-md); }
.ch-lg { border-radius: var(--mz-chamfer-lg); }
.ch-xl { border-radius: var(--mz-chamfer-xl); }
@supports not (corner-shape: bevel) { .ch-xs, .ch-sm, .ch-md, .ch-lg, .ch-xl { border-radius: 0; } }

/* ---------- type ---------- */
.t-display-1 { font: var(--mz-type-display-1); letter-spacing: var(--mz-type-display-1-tracking); text-wrap: balance; }
.t-display-2 { font: var(--mz-type-display-2); letter-spacing: var(--mz-type-display-2-tracking); text-wrap: balance; }
.t-display-3 { font: var(--mz-type-display-3); letter-spacing: var(--mz-type-display-3-tracking); text-wrap: balance; }
.t-title-1 { font: var(--mz-type-title-1); letter-spacing: var(--mz-type-title-1-tracking); text-wrap: balance; }
.t-title-2 { font: var(--mz-type-title-2); letter-spacing: var(--mz-type-title-2-tracking); }
.t-title-3 { font: var(--mz-type-title-3); letter-spacing: var(--mz-type-title-3-tracking); }
.t-lead { font: var(--mz-type-lead); color: var(--mz-color-text-muted); max-width: calc(var(--mz-measure-lead) * 1ch); text-wrap: pretty; }
.t-body { font: var(--mz-type-body); }
.t-strong { font: var(--mz-type-body-strong); }
.t-small { font: var(--mz-type-small); }
.t-small-strong { font: var(--mz-type-small-strong); }
.t-eyebrow { font: var(--mz-type-eyebrow); letter-spacing: var(--mz-type-eyebrow-tracking); text-transform: uppercase; color: var(--mz-color-accent-ink); display: inline-flex; align-items: center; gap: var(--mz-space-2); }
.t-eyebrow::before { content: ""; width: var(--mz-grid-cell); height: var(--mz-grid-cell); background: var(--mz-color-accent-ink); }
.t-micro { font: var(--mz-type-micro); letter-spacing: var(--mz-type-micro-tracking); }
.t-mono { font: var(--mz-type-mono); font-variant-numeric: tabular-nums; }
.t-mono-body { font: var(--mz-type-mono-body); font-variant-numeric: tabular-nums; }
.t-mono-display { font: var(--mz-type-mono-display); letter-spacing: var(--mz-type-mono-display-tracking); font-variant-numeric: tabular-nums; }
.t-muted { color: var(--mz-color-text-muted); }
.t-num { font-variant-numeric: tabular-nums; text-align: right; }
.t-prose { max-width: calc(var(--mz-measure-prose) * 1ch); text-wrap: pretty; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: calc(var(--mz-grid-container) + 2 * var(--mz-grid-margin-wide)); margin: 0 auto; padding: 0 var(--mz-grid-margin-wide); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--mz-grid-gutter); row-gap: var(--mz-space-6); }
.stack > * + * { margin-top: var(--mz-space-4); }
.row { display: flex; align-items: center; gap: var(--mz-space-2); }
.spacer { flex: 1; }
/* matrix paper: the LED grid as a surface texture (pitch 8, dot = gap 2) */
.paper { background-color: var(--mz-color-bg); background-image: radial-gradient(var(--mz-color-border) var(--mz-stroke-hairline), transparent calc(var(--mz-stroke-hairline) + 0.5px)); background-size: var(--mz-grid-pitch) var(--mz-grid-pitch); background-position: calc(var(--mz-grid-pitch) / 2) calc(var(--mz-grid-pitch) / 2); }
.sunken { background: var(--mz-color-sunken); }

/* ---------- icons (Octa set: 24 grid, 2 px monoline, 0/45/90 degrees only, butt caps, miter joins) ---------- */
.ic { width: var(--mz-size-icon); height: var(--mz-size-icon); flex: none; fill: none; stroke: currentColor; stroke-width: var(--mz-stroke-icon); stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 4; }
.ic--sm { width: var(--mz-size-icon-sm); height: var(--mz-size-icon-sm); stroke-width: calc(var(--mz-stroke-icon-sm) * 24 / 16); }
.ic--lg { width: var(--mz-size-icon-lg); height: var(--mz-size-icon-lg); }
.ic .f { fill: currentColor; stroke: none; }
.ic .brand { stroke: none; }

/* ---------- buttons ---------- */
.btn { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); display: inline-flex; align-items: center; justify-content: center; gap: var(--mz-space-2); min-height: var(--mz-size-control); padding: 0 var(--mz-space-4); border: var(--mz-stroke-ui) solid transparent; background: var(--mz-color-raised); color: var(--mz-color-text); font: var(--mz-type-body-strong); text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color var(--mz-motion-duration-feedback) var(--mz-motion-easing-standard), border-color var(--mz-motion-duration-feedback) var(--mz-motion-easing-standard), color var(--mz-motion-duration-feedback) var(--mz-motion-easing-standard); }
.btn:hover { background: var(--mz-color-border); color: var(--mz-color-text); }
.btn:active { background: var(--mz-color-border-strong); color: var(--mz-color-on-inverse); }
.btn--primary { background: var(--mz-color-accent); color: var(--mz-color-on-accent); }
.btn--primary:hover { background: var(--mz-color-accent-hover); color: var(--mz-color-on-accent); }
.btn--primary:active { background: var(--mz-color-accent-active); color: var(--mz-color-on-accent); }
.btn--outline { background: transparent; border-color: var(--mz-color-border-strong); }
.btn--outline:hover { background: var(--mz-color-raised); }
.btn--ghost { background: transparent; }
.btn--ghost:hover { background: var(--mz-color-raised); }
.btn--lg { min-height: var(--mz-size-control-lg); padding: 0 var(--mz-space-5); }
.btn--sm { min-height: var(--mz-size-control-sm); padding: 0 var(--mz-space-3); font: var(--mz-type-small-strong); }
.btn--block { width: 100%; }
.btn--icon { padding: 0; width: var(--mz-size-control); }
.btn--icon.btn--sm { width: var(--mz-size-control-sm); }
.btn[disabled], .btn[aria-disabled="true"] { background: var(--mz-color-raised); color: var(--mz-color-text-disabled); border-color: transparent; cursor: not-allowed; }
.btn--provider { justify-content: flex-start; background: var(--mz-color-surface); border-color: var(--mz-color-border-strong); font: var(--mz-type-body-strong); }
.btn--provider:hover { background: var(--mz-color-raised); }
.btn--provider .ic { width: var(--mz-size-icon); height: var(--mz-size-icon); }
.btn--provider span { flex: 1; text-align: center; }

/* ---------- inputs ---------- */
.field { display: grid; gap: var(--mz-space-2); }
.label { font: var(--mz-type-small-strong); }
.input { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); width: 100%; min-height: var(--mz-size-control); padding: 0 var(--mz-space-3); border: var(--mz-stroke-hairline) solid var(--mz-color-border-strong); background: var(--mz-color-surface); color: var(--mz-color-text); font: var(--mz-type-body); }
.input::placeholder { color: var(--mz-color-text-muted); }
.input:focus-visible { outline-offset: 0; border-color: var(--mz-color-focus-ring); }
.input[aria-invalid="true"] { border-color: var(--mz-color-critical); border-width: var(--mz-stroke-ui); }
.hint { font: var(--mz-type-small); color: var(--mz-color-text-muted); }
.error { display: flex; gap: var(--mz-space-2); align-items: flex-start; font: var(--mz-type-small); color: var(--mz-color-on-critical-subtle); background: var(--mz-color-critical-subtle); padding: var(--mz-space-2) var(--mz-space-3); corner-shape: bevel; border-radius: var(--mz-chamfer-sm); }
.error .ic { color: var(--mz-color-critical); margin-top: 1px; }
/* code entry: six pixel cells */
.code { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--mz-space-2); }
.code input { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); min-height: var(--mz-size-control-lg); text-align: center; font: var(--mz-type-mono-display); border: var(--mz-stroke-hairline) solid var(--mz-color-border-strong); background: var(--mz-color-surface); color: var(--mz-color-text); padding: 0; width: 100%; }
.code input:focus-visible { outline-offset: 0; border-color: var(--mz-color-focus-ring); }
.code input.lit { background: var(--mz-color-accent-subtle); border-color: var(--mz-color-accent); color: var(--mz-color-on-accent-subtle); }

/* ---------- segmented (lang) ---------- */
.seg { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); display: inline-flex; border: var(--mz-stroke-hairline) solid var(--mz-color-border-strong); padding: 1px; }
.seg button { corner-shape: bevel; border-radius: var(--mz-chamfer-xs); min-width: var(--mz-size-control-sm); min-height: calc(var(--mz-size-control-sm) - 4px); padding: 0 var(--mz-space-2); border: 0; background: transparent; font: var(--mz-type-small-strong); color: var(--mz-color-text-muted); cursor: pointer; }
.seg button[aria-checked="true"] { background: var(--mz-color-accent); color: var(--mz-color-on-accent); }

/* ---------- chips, status (glyph + word + colour, never colour alone) ---------- */
.chip { corner-shape: bevel; border-radius: var(--mz-chamfer-xs); display: inline-flex; align-items: center; gap: var(--mz-space-1); min-height: var(--mz-size-target-min); padding: 0 var(--mz-space-2); font: var(--mz-type-small-strong); background: var(--mz-color-raised); color: var(--mz-color-text); white-space: nowrap; }
.chip .ic { width: var(--mz-size-icon-sm); height: var(--mz-size-icon-sm); }
.chip--accent { background: var(--mz-color-accent-subtle); color: var(--mz-color-on-accent-subtle); }
.chip--success { background: var(--mz-color-success-subtle); color: var(--mz-color-on-success-subtle); }
.chip--warning { background: var(--mz-color-warning-subtle); color: var(--mz-color-on-warning-subtle); }
.chip--critical { background: var(--mz-color-critical-subtle); color: var(--mz-color-on-critical-subtle); }
.chip--info { background: var(--mz-color-info-subtle); color: var(--mz-color-on-info-subtle); }
.chip--outline { background: transparent; border: var(--mz-stroke-hairline) solid var(--mz-color-border-strong); }
.led { display: inline-block; width: var(--mz-grid-cell); height: var(--mz-grid-cell); background: var(--mz-color-matrix-off); flex: none; }
.led--on { background: var(--mz-color-lit); }
.led--warning { background: var(--mz-color-warning); }
.led--critical { background: var(--mz-color-critical); }
.led--info { background: var(--mz-color-info); }
.live { display: inline-flex; align-items: center; gap: var(--mz-space-2); font: var(--mz-type-small-strong); color: var(--mz-color-success); }
.live .led--on { animation: mz-blink var(--mz-motion-duration-brand-loop) steps(1) infinite; }
@keyframes mz-blink { 0%, 90% { opacity: 1; } 95% { opacity: .25; } }
.status { display: inline-flex; align-items: center; gap: var(--mz-space-1); font: var(--mz-type-small-strong); }
.status .ic { width: var(--mz-size-icon-sm); height: var(--mz-size-icon-sm); }
.status--ok { color: var(--mz-color-severity-ok); }
.status--early { color: var(--mz-color-severity-early); }
.status--pressure { color: var(--mz-color-severity-pressure); }
.status--critical { color: var(--mz-color-severity-critical); }
.status--muted { color: var(--mz-color-text-muted); }

/* ---------- cards ---------- */
.card { corner-shape: bevel; border-radius: var(--mz-chamfer-md); background: var(--mz-color-surface); border: var(--mz-stroke-hairline) solid var(--mz-color-border); padding: var(--mz-space-5); }
.card--raised { background: var(--mz-color-raised); border-color: transparent; }
.card--frame { corner-shape: bevel; border-radius: var(--mz-chamfer-lg); border-color: var(--mz-color-border-strong); padding: 0; overflow: hidden; }
.card__head { display: flex; align-items: center; gap: var(--mz-space-2); padding: var(--mz-space-3) var(--mz-space-4); border-bottom: var(--mz-stroke-hairline) solid var(--mz-color-border); font: var(--mz-type-small-strong); }
.card__foot { display: flex; align-items: center; gap: var(--mz-space-2); padding: var(--mz-space-3) var(--mz-space-4); border-top: var(--mz-stroke-hairline) solid var(--mz-color-border); font: var(--mz-type-small); color: var(--mz-color-text-muted); }
.kv { display: flex; justify-content: space-between; align-items: baseline; gap: var(--mz-space-4); padding: var(--mz-space-2) 0; border-bottom: var(--mz-stroke-hairline) solid var(--mz-color-border); font: var(--mz-type-small); }
.kv:last-child { border-bottom: 0; }
.kv__k { color: var(--mz-color-text-muted); }
.kv__v { font: var(--mz-type-small-strong); font-variant-numeric: tabular-nums; text-align: right; }
.kv__v--mono { font: var(--mz-type-mono); font-weight: var(--mz-font-weight-medium); }

/* ---------- pixel data: bars and matrices ---------- */
.pxbar { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: var(--mz-grid-gap); height: var(--mz-grid-pitch); }
.pxbar i { background: var(--mz-color-matrix-off); display: block; }
.pxbar i.on { background: var(--mz-color-matrix-1); }
.pxbar i.on:nth-child(even) { background: var(--mz-color-matrix-2); }
.pxbar i.warn { background: var(--mz-color-warning); }
.pxbar i.crit { background: var(--mz-color-critical); }
.matrix { display: grid; gap: var(--mz-grid-gap); grid-template-columns: repeat(var(--cols, 16), var(--mz-grid-cell)); }
.matrix i { width: var(--mz-grid-cell); height: var(--mz-grid-cell); background: var(--mz-color-matrix-off); display: block; }
.matrix i.on { background: var(--mz-color-matrix-1); }
.matrix i.on.alt { background: var(--mz-color-matrix-2); }
.matrix i.fail { background: var(--mz-color-critical); }
.matrix i.you { background: var(--mz-color-lit); animation: mz-blink var(--mz-motion-duration-brand-loop) steps(1) infinite; }
.matrix--lg { --cell: calc(var(--mz-grid-cell) * 2); gap: var(--mz-space-1); grid-template-columns: repeat(var(--cols, 16), var(--cell)); }
.matrix--lg i { width: var(--cell); height: var(--cell); }
/* diagonal sweep: each cell lights after (col + row) * sweep-step, the order of the official mark animation */
.sweep i.on, .sweep i.you, .sweep i.fail { animation: mz-lit var(--mz-motion-duration-sweep) var(--mz-motion-easing-flow) both; animation-delay: calc(var(--d, 0) * var(--mz-motion-duration-sweep-step)); }
@keyframes mz-lit { from { opacity: 0; } to { opacity: 1; } }
.legend { display: flex; flex-wrap: wrap; gap: var(--mz-space-3) var(--mz-space-4); font: var(--mz-type-small); color: var(--mz-color-text-muted); }
.legend span { display: inline-flex; align-items: center; gap: var(--mz-space-2); }
/* LED digits (5 x 7) */
.digit { display: grid; grid-template-columns: repeat(5, var(--mz-grid-cell)); gap: var(--mz-grid-gap); }
.digit i { width: var(--mz-grid-cell); height: var(--mz-grid-cell); background: var(--mz-color-matrix-off); display: block; }
.digit i.on { background: var(--mz-color-matrix-1); }
.digits { display: inline-flex; gap: var(--mz-space-2); }

/* ---------- evidence log ---------- */
.log { font: var(--mz-type-small); }
.log__row { display: grid; grid-template-columns: 10ch 7ch 1fr auto; gap: var(--mz-space-3); align-items: baseline; padding: var(--mz-space-2) var(--mz-space-4); border-bottom: var(--mz-stroke-hairline) solid var(--mz-color-border); }
.log__row:last-child { border-bottom: 0; }
.log__t { font: var(--mz-type-mono); color: var(--mz-color-text-muted); }
.log__a { font: var(--mz-type-eyebrow); letter-spacing: var(--mz-type-eyebrow-tracking); text-transform: uppercase; color: var(--mz-color-accent-ink); }
.log__d { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log__h { font: var(--mz-type-mono); color: var(--mz-color-text-muted); }

/* ---------- top bar (site) ---------- */
.nav { min-height: var(--mz-size-nav); display: flex; align-items: center; gap: var(--mz-space-4); }
.nav__links { display: flex; gap: var(--mz-space-1); }
.nav__links a { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); display: inline-flex; align-items: center; min-height: var(--mz-size-control-sm); padding: 0 var(--mz-space-3); color: var(--mz-color-text); text-decoration: none; font: var(--mz-type-small-strong); }
.nav__links a:hover { background: var(--mz-color-raised); color: var(--mz-color-text); }
.nav__links a[aria-current="page"] { color: var(--mz-color-accent-ink); }
.logo { display: inline-flex; align-items: center; }
.logo img { height: var(--mz-size-logo-nav); width: auto; }
[data-theme="light"] .only-dark, :root:not([data-theme="dark"]) .only-dark { display: none; }
[data-theme="dark"] .only-light { display: none; }

/* ---------- drawer (narrow nav) ---------- */
.drawer { display: none; }
.drawer[data-open="true"] { display: block; }
.drawer a { display: flex; align-items: center; min-height: var(--mz-size-control-lg); padding: 0 var(--mz-space-4); border-bottom: var(--mz-stroke-hairline) solid var(--mz-color-border); color: var(--mz-color-text); text-decoration: none; font: var(--mz-type-body-strong); }

/* ---------- toast / inverse ---------- */
.toast { corner-shape: bevel; border-radius: var(--mz-chamfer-sm); display: inline-flex; align-items: center; gap: var(--mz-space-3); padding: var(--mz-space-2) var(--mz-space-3); background: var(--mz-color-inverse); color: var(--mz-color-on-inverse); font: var(--mz-type-small-strong); }

/* ---------- traces (45-degree connectors) ---------- */
.trace { stroke: var(--mz-color-border-strong); stroke-width: var(--mz-stroke-ui); fill: none; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .sweep i { animation: none; opacity: 1; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) { .wrap { padding: 0 var(--mz-grid-margin-mid); } }
@media (max-width: 640px) { .wrap { padding: 0 var(--mz-grid-margin-narrow); } .t-display-1 { font-size: var(--mz-type-display-3-size); line-height: var(--mz-type-display-3-line); } .t-display-2 { font-size: var(--mz-type-title-1-size); line-height: var(--mz-type-title-1-line); } .t-lead { font-size: var(--mz-type-body-size); } .hide-narrow { display: none !important; } }
@media (min-width: 641px) { .only-narrow { display: none !important; } }