/* Shared native controls. Existing class names are supported component aliases. */
@font-face{font-family:Geist;src:url('/assets/geist.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url('/assets/geist-mono.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:Archivo;src:url('/assets/archivo.woff2') format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:Newsreader;src:url('/assets/newsreader.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap}
@font-face{font-family:Newsreader;src:url('/assets/newsreader-italic.woff2') format('woff2');font-weight:200 800;font-style:italic;font-display:swap}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--color-canvas);color:var(--ink);font:var(--text-body)/var(--leading-body) var(--font-body);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent;outline-offset:var(--focus-offset)}
button{cursor:pointer;color:inherit}
button:disabled{cursor:not-allowed;opacity:var(--opacity-disabled)}
button,a{touch-action:manipulation}
:focus-visible{outline:var(--focus-width) solid var(--accent)}
/* Headings receive focus only from script (view changes, tours) so screen readers start there; they are not controls, so no ring. */
:is(h1,h2,h3)[tabindex="-1"]:focus{outline:none}
a{color:var(--accent);text-underline-offset:.18em}
h1,h2,h3,h4,p{margin-top:0}
h1,h2{font-family:var(--font-display);font-stretch:var(--stretch-display);font-weight:var(--weight-display);letter-spacing:var(--tracking-display);line-height:.98}
input,textarea,select{width:100%;min-width:0;min-height:var(--control-height);padding:10px 13px;border:1px solid var(--line-strong);border-radius:var(--radius-control);color:var(--ink);background:var(--color-field)}
input::placeholder,textarea::placeholder{color:var(--color-placeholder);opacity:1}
textarea{resize:vertical}
label{display:block;font-weight:var(--weight-label);margin-bottom:7px}
/* Marginal notes: tiny editorial italic. .handwritten is the historical alias of .ds-note. */
.handwritten,.ds-note{font-family:var(--font-note);font-style:italic;font-weight:400;line-height:var(--leading-note);letter-spacing:-.01em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:fixed;top:8px;left:-9999px;z-index:20;padding:12px;background:var(--sheet)}
.skip-link:focus{left:8px}
.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle}
.icon.small{width:14px;height:14px}
/* Brand lockup: crop-mark S plus lowercase Archivo wordmark. Text stays real for assistive technology. */
.brand{display:inline-flex;align-items:center;gap:.3em;flex-shrink:0;color:var(--color-ink);font:900 1.75rem/1 var(--font-wordmark);font-stretch:var(--stretch-display);letter-spacing:-.05em;text-decoration:none;text-transform:lowercase}
.brand::before{content:"";width:1.15em;height:1.15em;flex-shrink:0;background:url('/assets/logo-mark.svg') center/contain no-repeat}
.brand:hover{color:var(--color-ink)}
.nav-tab{position:relative;background:none;border:0;min-width:0;min-height:var(--control-height);padding:8px 14px;font:var(--weight-label) var(--text-body)/1 var(--font-body);color:var(--color-muted)}
.nav-tab:hover{color:var(--color-ink)}
.nav-tab.active{color:var(--color-ink)}
.nav-tab.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:var(--rule-width);background:var(--color-action)}
.secondary-button,.context-button,.viewport-switch button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:var(--control-height);padding:9px 18px;border:1.5px solid var(--color-ink);border-radius:var(--radius-button);background:var(--color-surface);color:var(--ink);font-weight:var(--weight-label);text-decoration:none;transition:background-color var(--motion-fast) var(--ease-standard),transform var(--motion-fast) var(--ease-out)}
.secondary-button:hover,.viewport-switch button:hover,.icon-button:hover,.context-button:hover{background:var(--color-canvas)}
.secondary-button:active:not(:disabled),.viewport-switch button:active:not(:disabled),.icon-button:active:not(:disabled),.context-button:active:not(:disabled){transform:scale(.97)}
.primary-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:var(--control-height-primary);padding:12px 26px 12px 44px;border:2px solid var(--color-ink);border-radius:4px var(--radius-button) var(--radius-button) 4px;color:var(--color-on-signal);background:var(--color-signal);font-weight:700;text-decoration:none;transform-origin:22px 50%;transition:transform var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-standard)}
.primary-button::before{content:"";position:absolute;left:16px;top:50%;width:12px;height:12px;margin-top:-6px;border:2px solid var(--color-ink);border-radius:50%;background:var(--color-canvas)}
.primary-button .icon{filter:none}
/* The tag swings from its eyelet only under a real pointer; a tap must not leave it tilted. */
@media (hover:hover) and (pointer:fine){.primary-button:hover:not(:disabled){transform:rotate(-2.5deg)}}
.primary-button:active:not(:disabled){transform:rotate(0) translateY(1px) scale(.98)}
.text-button{padding:10px 4px;background:none;border:0;min-height:var(--control-height);color:var(--color-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.text-button:hover{color:var(--color-action)}
.summary-label,.eyebrow{font:var(--weight-label) var(--text-caption)/1.4 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.summary-value{margin-top:7px;font-size:13px;overflow-wrap:anywhere}
.card{min-width:0;padding:24px 0}
.card-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:16px}
.card h3,.activity-panel h3{font-size:19px;margin-bottom:16px}
.card-heading h3{margin:0}
.card-count,.read-only-tag{font:11px/1.5 var(--mono);color:var(--accent)}
.field-help{font-size:var(--text-small);color:var(--muted);margin:7px 0 24px}
.optional{font-weight:400;font-size:var(--text-small);color:var(--muted);margin-left:8px}
.run-check-status{color:var(--green)}
.run-check-status.FAIL{color:var(--danger)}
.run-check-status.BLOCKED{color:var(--color-warning)}
.run-check-status.NEEDS_REVIEW{color:var(--color-review)}
.app-error{color:var(--danger);background:var(--color-danger-surface);border-left:3px solid var(--danger);padding:14px 18px;margin:0 0 20px;overflow-wrap:anywhere}
dialog{--crop-inset:6px;width:min(600px,calc(100vw - 32px));max-height:calc(100dvh - 48px);padding:28px;border:var(--rule-width) solid var(--color-ink);border-radius:var(--radius-sheet);color:var(--ink);background:var(--color-surface)}
dialog::backdrop{background:var(--color-backdrop)}
.dialog-heading,.dialog-head{display:flex;justify-content:space-between;align-items:start;gap:16px}
.dialog-heading h2,.dialog-head h2{font-size:2rem;margin-bottom:25px}
.dialog-heading .eyebrow,.dialog-head .eyebrow{margin:0 0 8px}
.icon-button{padding:10px}
.dialog-footer{display:flex;justify-content:end;padding-top:8px}
/* A dialog with a .dialog-body scroller keeps its crop marks fixed while the body scrolls. */
dialog:has(> .dialog-body){overflow:visible}
.dialog-body{overflow:auto;max-height:calc(100dvh - 10rem)}
.confidence { margin: var(--space-2) 0; padding: var(--space-2) var(--space-3); border: var(--border-width) solid var(--color-review); border-radius: var(--radius-soft); color: var(--color-review); background: var(--color-review-surface); font-size: var(--text-small); line-height: 1.5; overflow-wrap: anywhere; }
.confidence summary { cursor: pointer; font-weight: var(--weight-label); min-height: var(--control-height); padding-block: var(--space-2); }
.confidence summary:focus-visible { outline: var(--focus-width) solid var(--color-action); outline-offset: var(--focus-offset); }
.confidence p { margin: 8px 0 0; }


/* Shared states and composed patterns; native elements retain their semantics. */
input[aria-invalid="true"], textarea[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--color-danger); border-width: 2px; }
input:disabled, textarea:disabled, select:disabled { opacity: var(--opacity-disabled); cursor: not-allowed; }
input[readonly], textarea[readonly] { background: var(--color-canvas); }
.ds-field { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2); width: 100%; }
.primary-button, .secondary-button, .ds-field input { box-shadow: none; }
.ds-field label { margin: 0; }
.ds-field-help { color: var(--color-muted); font-size: var(--text-small); margin: 0; }
.ds-field-error { color: var(--color-danger); font-size: var(--text-small); margin: 0; }
.ds-status, .badge, .tag { display: inline-flex; align-items: center; gap: var(--space-2); padding: 2px var(--space-3); border: 1.5px solid currentColor; border-radius: var(--radius-button); font: 700 var(--text-caption)/var(--leading-body) var(--font-body); letter-spacing: .06em; text-transform: uppercase; color: var(--color-muted); background: var(--color-surface); }
.ds-status[data-tone="success"], .badge.PASS, .badge.pass, .tag.recheck_passed { color: var(--color-success); background: var(--color-success-surface); }
.ds-status[data-tone="danger"], .badge.FAIL, .badge.fail, .tag.defect { color: var(--color-danger); background: var(--color-danger-surface); }
.ds-status[data-tone="warning"], .badge.BLOCKED, .badge.review, .tag.blocked { color: var(--color-warning); background: var(--color-warning-surface); }
.ds-status[data-tone="review"], .badge.NEEDS_REVIEW, .tag.review { color: var(--color-review); background: var(--color-review-surface); }
.run-check-status.NOT_RUN { color: var(--color-muted); }
.ds-disclosure { padding: var(--space-4) 0; border-block: var(--border-width) solid var(--color-border); }
.ds-disclosure + .ds-disclosure { border-top: 0; }
.ds-disclosure summary { cursor: pointer; min-height: var(--control-height); padding-block: var(--space-2); font-weight: var(--weight-label); }
.ds-disclosure p { margin: var(--space-2) 0 0; color: var(--color-muted); }
.ds-table-region { overflow-x: auto; max-width: 100%; }
.ds-table { width: 100%; border-collapse: collapse; font-size: var(--text-small); }
.ds-table--wide { min-width: 768px; }
.ds-table :is(th, td) { text-align: left; padding: var(--space-3); border-bottom: var(--border-width) solid var(--color-border); overflow-wrap: anywhere; }
.ds-table--wide :is(th, td) { overflow-wrap: break-word; }
.ds-table th { font-weight: var(--weight-label); border-bottom: var(--rule-width) solid var(--color-ink); }
.ds-empty-message { padding: var(--space-6) 0; color: var(--color-muted); }
.ds-notice { border-left: var(--focus-width) solid var(--color-action); padding: var(--space-4) var(--space-5); background: var(--color-surface); }
.ds-paper { background: var(--color-surface); border: var(--rule-width) solid var(--color-ink); border-radius: var(--radius-sheet); padding: var(--space-6); }
.ds-marker { background: linear-gradient(transparent 58%, var(--color-highlight) 58%, var(--color-highlight) 92%, transparent 92%); color: inherit; }
.ds-rule { border: 0; border-top: var(--rule-width) solid var(--color-ink); margin: 0; }
.ds-stamp { display: inline-block; padding: var(--space-1) var(--space-3); border: 3px solid var(--color-stamp); border-radius: var(--radius-control); color: var(--color-stamp); font: 800 var(--text-small)/1.15 var(--font-body); letter-spacing: .12em; text-align: center; text-transform: uppercase; transform: rotate(-10deg); }
.ds-stamp[data-tone="success"] { color: var(--color-success); border-color: var(--color-success); }
.ds-stamp[data-tone="review"] { color: var(--color-review); border-color: var(--color-review); }
.ds-stamp[data-tone="muted"] { color: var(--color-muted); border-color: var(--color-muted); }
.ds-stamp small { display: block; font: 600 .5625rem/1.3 var(--font-code); letter-spacing: .04em; }
/* Night surfaces: reverse variants for marketing bands on --color-night. */
.brand--reverse { color: var(--color-on-night); }
.brand--reverse:hover { color: var(--color-on-night); }
.brand--reverse::before { background-image: url('/assets/logo-mark-reverse.svg'); }
.secondary-button--reverse { background: transparent; border-color: var(--color-on-night); color: var(--color-on-night); }
.secondary-button--reverse:hover { background: var(--color-night-raised); }
.primary-button--signal { background: var(--color-highlight); color: var(--color-ink); }
.primary-button--ink { background: var(--color-ink); color: var(--color-on-night); }
.primary-button--ink:hover:not(:disabled) { background: var(--color-action-hover); }
.primary-button--signal:hover:not(:disabled) { background: var(--color-on-night); }
.text-button--reverse { color: var(--color-on-night); }
.text-button--reverse:hover { color: var(--color-action-reverse); }
.brand--reverse:focus-visible, .text-button--reverse:focus-visible, .secondary-button--reverse:focus-visible { outline-color: var(--color-action-reverse); }
.poster-heading { font: 900 clamp(1.875rem, 8.6vw, 6rem)/.92 var(--font-poster); font-stretch: var(--stretch-display); letter-spacing: -.045em; }
/* Crop marks: the evidence frame from the logo, used instead of drop shadows. --crop-inset moves them
   (default 14px outside the box, leave 16px free around it). .ds-crop--inset draws them inside and does not
   set position, so it also suits fixed elements such as dialogs. */
.ds-crop { position: relative; }
.ds-crop--inset { --crop-inset: 8px; }
:is(.ds-crop, .ds-crop--inset, dialog)::after { --crop: var(--color-ink); content: ""; position: absolute; inset: var(--crop-inset, -14px); pointer-events: none;
  background:
    linear-gradient(var(--crop), var(--crop)) left top / 10px 2px, linear-gradient(var(--crop), var(--crop)) left top / 2px 10px,
    linear-gradient(var(--crop), var(--crop)) right top / 10px 2px, linear-gradient(var(--crop), var(--crop)) right top / 2px 10px,
    linear-gradient(var(--crop), var(--crop)) left bottom / 10px 2px, linear-gradient(var(--crop), var(--crop)) left bottom / 2px 10px,
    linear-gradient(var(--crop), var(--crop)) right bottom / 10px 2px, linear-gradient(var(--crop), var(--crop)) right bottom / 2px 10px;
  background-repeat: no-repeat; }
:is(.ds-crop, .ds-crop--inset, dialog)[data-tone="signal"]::after { --crop: var(--color-signal); }
@media (max-width: 480px) { .ds-crop:not(.ds-crop--inset) { --crop-inset: -8px; } }
.ds-stack { display: grid; gap: var(--space-4); }
.ds-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
button[aria-busy="true"] { cursor: progress; }
/* ---------- Proof v3 primitives: homepage motifs hoisted for every surface ---------- */
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); padding: var(--space-5) 0; border-bottom: var(--border-width) solid var(--color-border); }
.ds-stamp[data-tone="warning"] { color: var(--color-warning); border-color: var(--color-warning); }
.ds-stamp--sm { padding: 2px var(--space-2); border-width: 2px; font-size: var(--text-caption); letter-spacing: .08em; transform: rotate(-6deg); }
.ds-stamp--lg { padding: var(--space-2) var(--space-4); font-size: 1.125rem; transform: rotate(-8deg); }
.ds-stamp--xl { padding: var(--space-2) var(--space-5); border-width: 5px; font-size: clamp(1.25rem, 3vw, 2.25rem); }
.ds-stamp--flat { transform: none; }

/* Step tape: a tape measure. A <div class="ds-tape"> is a progress strip (--p 0..1 drives .ds-tape-fill, .ds-tape-read rides
   its edge); an <ol class="ds-tape"> is a stepped timeline of <li><button>, each li may hold its own .ds-tape-fill and a
   stamped .ds-tape-mark. Ink on signal is 5.5:1. data-slim is a decorative 14px strip. */
.ds-tape { --p: 0; position: relative; display: block; min-height: var(--tape-height); margin: 0; padding: 0; overflow: hidden; container-type: inline-size; border: var(--rule-width) solid var(--color-ink); background: var(--color-surface); list-style: none; }
.ds-tape::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(90deg, var(--color-ink) 0 1px, transparent 1px 12px) left bottom / 100% 8px no-repeat, repeating-linear-gradient(90deg, var(--color-ink) 0 2px, transparent 2px 60px) left bottom / 100% 14px no-repeat; }
.ds-tape-fill { position: absolute; inset: 0; background: var(--color-signal); transform: scaleX(var(--p, 0)); transform-origin: 0 50%; transition: transform var(--motion-normal) var(--ease-standard); }
.ds-tape-read { position: relative; z-index: 2; display: inline-block; padding: 0 var(--space-2); font: 700 var(--text-small)/calc(var(--tape-height) - 4px) var(--font-code); color: var(--color-ink); white-space: nowrap; font-variant-numeric: tabular-nums; translate: max(0px, calc(var(--p, 0) * 100cqw - 100%)); }
.ds-tape[data-slim] { min-height: 14px; }
.ds-tape:is(ol, ul) { display: flex; min-height: var(--control-height); }
.ds-tape:is(ol, ul) > li { position: relative; flex: 1 1 0; min-width: 0; overflow: hidden; }
.ds-tape:is(ol, ul) > li + li { border-left: var(--rule-width) solid var(--color-ink); }
.ds-tape:is(ol, ul) > li > :is(button, a) { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; width: 100%; min-height: var(--control-height); padding: 0 var(--space-2); border: 0; background: none; color: var(--color-ink); font: 700 var(--text-small)/1.2 var(--font-code); text-decoration: none; white-space: nowrap; }
.ds-tape:is(ol, ul) > li[aria-current="step"], .ds-tape:is(ol, ul) > li:has(> [aria-current="step"]) { background: var(--color-highlight); }
.ds-tape-mark { position: absolute; z-index: 3; top: 3px; right: 4px; padding: 0 3px; border: 1.5px solid currentColor; border-radius: 2px; background: var(--color-surface); color: var(--color-stamp); font: 800 .5625rem/1.3 var(--font-code); text-transform: uppercase; rotate: -6deg; }
.ds-tape-mark[data-tone="success"] { color: var(--color-success); }
.ds-tape-mark[data-tone="review"] { color: var(--color-review); }
.ds-tape-mark[data-tone="muted"] { color: var(--color-muted); }

/* Inspection form: a manila sheet with an eyelet and a mono form head. .ds-tag-card--form is the same sheet. */
.ds-form, .ds-tag-card { position: relative; min-width: 0; background: var(--color-tag); border: 1.5px solid var(--color-ink); color: var(--color-ink); }
.ds-form::before, .ds-tag-card::before { content: ""; position: absolute; left: var(--eyelet-x, var(--space-4)); top: var(--eyelet-y, var(--space-5)); width: var(--eyelet-d, var(--eyelet-size)); height: var(--eyelet-d, var(--eyelet-size)); border: 1.5px solid var(--color-ink); border-radius: 50%; background: var(--color-canvas); }
.ds-form, .ds-tag-card--form { --eyelet-x: var(--space-6); --eyelet-y: var(--space-8); --eyelet-d: var(--space-5); padding: var(--space-8) var(--space-8) var(--space-6) var(--space-16); border-width: var(--rule-width); border-radius: 0; }
.ds-form-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); margin: 0 0 var(--space-4); padding-bottom: var(--space-3); border-bottom: var(--rule-width) solid var(--color-ink); font: 900 var(--text-body)/1 var(--font-display); font-stretch: var(--stretch-display); text-transform: uppercase; }
.ds-form-head > :last-child { font: var(--text-small) var(--font-code); text-transform: none; }

/* Tag card: a manila card on a string. data-string draws the dotted string above; --swing hangs it from its eyelet on hover;
   --split is the report layout (manila reading tag beside a paper body). */
.ds-tag-card { padding: var(--space-5) var(--space-5) var(--space-5) var(--space-12); border-radius: var(--radius-tag); transform-origin: calc(var(--eyelet-x, var(--space-4)) + var(--eyelet-size) / 2) calc(var(--eyelet-y, var(--space-5)) + var(--eyelet-size) / 2); }
.ds-tag-card[data-string] { margin-top: var(--space-6); }
.ds-tag-card[data-string]::after { content: ""; position: absolute; left: calc(var(--eyelet-x, var(--space-4)) + var(--eyelet-size) / 2 - 1px); bottom: 100%; height: var(--space-6); border-left: 2px dotted var(--color-ink); }
.ds-tag-card h3 { margin: 0 0 var(--space-2); }
:is(.ds-tag-card, .ds-tag-card-tag) .ds-stamp { background: var(--color-surface); }
.ds-tag-card--split { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); padding: 0; background: var(--color-surface); }
.ds-tag-card-tag { position: relative; display: grid; align-content: start; gap: var(--space-2); padding: var(--space-5) var(--space-5) var(--space-5) var(--space-12); background: var(--color-tag); border-right: 2px dashed var(--color-tag-edge); border-radius: var(--radius-tag); }
.ds-tag-card-body { min-width: 0; padding: var(--space-5); }
.ds-tag-card-reading { font: 700 clamp(1.5rem, 3vw, 2.125rem)/1.1 var(--font-code); overflow-wrap: anywhere; }
.ds-tag-rail { display: grid; gap: var(--space-8); margin: 0; padding: 0 0 0 var(--space-6); list-style: none; border-left: 2px dotted var(--color-ink); }
.ds-tag-rail > li { position: relative; }
.ds-tag-rail > li::before { content: ""; position: absolute; left: calc(-1 * var(--space-6)); top: 2.1rem; width: var(--space-6); border-top: 2px dotted var(--color-ink); }
/* Measurement pill: a reading in mono, the same look as the homepage "CLS 0.31" label. */
.ds-measure { display: inline-flex; align-items: center; padding: 1px var(--space-2); border-radius: var(--radius-sheet); background: var(--color-ink); color: var(--color-canvas); font: 500 var(--text-small)/1.5 var(--font-code); white-space: nowrap; font-variant-numeric: tabular-nums; }
/* Fold: an archive tab. <section class="ds-fold"><details><summary><span class="ds-fold-tab">..</span><span class="ds-fold-meta">..</span></summary><div class="ds-fold-body">. */
:is(.ds-fold > summary, .ds-fold > details > summary) { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-4); min-height: var(--control-height); padding-block: var(--space-2); border-bottom: var(--rule-width) solid var(--color-ink); cursor: pointer; list-style: none; }
:is(.ds-fold > summary, .ds-fold > details > summary)::-webkit-details-marker { display: none; }
:is(.ds-fold > summary, .ds-fold > details > summary)::after { content: "+"; margin-left: var(--space-2); font: 700 var(--text-body)/1 var(--font-code); }
:is(.ds-fold[open] > summary, .ds-fold > details[open] > summary)::after { content: "\2212"; }
.ds-fold-tab { font: 900 var(--text-body)/1.2 var(--font-display); font-stretch: var(--stretch-display); letter-spacing: -.01em; }
.ds-fold-meta { margin-left: auto; color: var(--color-muted); font: var(--text-small)/1.3 var(--font-code); }
.ds-fold-body { padding-block: var(--space-4); }

/* Certificate parts (report cover): verdict sheet, circled number, scoreboard, hand-off band, copy status. */
.ds-cert-sheet { position: relative; padding: var(--space-8); background: var(--color-surface); border: var(--rule-width) solid var(--color-ink); border-radius: var(--radius-sheet); }
.ds-cert-eyebrow { margin: 0 0 var(--space-3); font: 600 var(--text-caption)/1.4 var(--font-code); letter-spacing: .06em; text-transform: uppercase; color: var(--color-muted); }
.ds-cert-verdict { max-width: 16ch; margin: 0 0 var(--space-4); font: var(--weight-display) var(--text-title)/.98 var(--font-display); font-stretch: var(--stretch-display); letter-spacing: var(--tracking-display); }
.ds-cert-meta { font: var(--text-small)/1.5 var(--font-code); color: var(--color-muted); }
.ds-cert-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
/* The stamp keeps its own column, so a long verdict or a wide label ("Acceptance incomplete") never runs under it. */
.ds-cert-sheet:has(> .ds-stamp--xl) { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: var(--space-8); align-items: start; }
.ds-cert-sheet:has(> .ds-stamp--xl) > :not(.ds-stamp--xl) { grid-column: 1; }
.ds-cert-sheet:has(> .ds-stamp--xl) > .ds-tape { grid-column: 1 / -1; }
.ds-cert-sheet > .ds-stamp--xl { grid-column: 2; grid-row: 1 / span 3; justify-self: end; margin: var(--space-2) 0 0; transform-origin: 100% 0; }
.ds-circled { position: relative; display: inline-block; padding-inline: .12em; }
.ds-circled > svg { position: absolute; left: -.2em; top: -.12em; width: calc(100% + .4em); height: calc(100% + .24em); overflow: visible; fill: none; stroke: var(--color-signal); stroke-width: 5; stroke-linecap: round; pointer-events: none; }
.ds-circled path { vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 0; }
.ds-scoreboard { display: flex; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; border-block: var(--rule-width) solid var(--color-ink); }
.ds-scoreboard-cell { flex: 1 1 0; min-width: 0; }
.ds-scoreboard-cell + .ds-scoreboard-cell { border-left: var(--border-width) solid var(--color-ink); }
.ds-scoreboard-cell--hero { flex-grow: 2; }
.ds-scoreboard-cell > a { display: grid; align-content: start; gap: var(--space-2); min-height: var(--control-height); height: 100%; padding: var(--space-4); color: var(--color-ink); text-decoration: none; }
.ds-scoreboard-cell > a:hover { background: var(--color-highlight); }
.ds-scoreboard-num { font: 700 clamp(1.75rem, 4vw, 3rem)/1 var(--font-code); font-variant-numeric: tabular-nums; }
.ds-scoreboard-cell--hero .ds-scoreboard-num { font-size: clamp(2.5rem, 7vw, 5.5rem); }
.ds-scoreboard-caption { color: var(--color-muted); font-size: var(--text-small); }
.ds-scoreboard-dropped { margin: var(--space-3) 0 0; color: var(--color-muted); font-size: var(--text-small); }
.ds-handoff { padding: var(--space-8); background: var(--color-night); color: var(--color-on-night); border: var(--rule-width) solid var(--color-ink); }
.ds-handoff :focus-visible { outline-color: var(--color-action-reverse); }
.ds-handoff a:not([class]) { color: var(--color-action-reverse); }
.ds-copy-status { min-height: 1.5em; color: var(--color-muted); font-size: var(--text-small); }
button[data-copied="true"] { background: var(--color-success-surface); border-color: var(--color-success); }

/* Feature tour popover: a manila tag hung from its target by a dotted string; the target gets a dashed orange box. */
.ds-tour { position: fixed; z-index: var(--z-tour); width: min(380px, calc(100vw - var(--space-6))); display: grid; gap: var(--space-2); padding: var(--space-5) var(--space-5) var(--space-5) var(--space-12); background: var(--color-tag); color: var(--color-ink); border: 1.5px solid var(--color-ink); border-radius: var(--radius-tag); }
.ds-tour::before { content: ""; position: absolute; left: var(--space-4); top: var(--space-5); width: var(--eyelet-size); height: var(--eyelet-size); border: 1.5px solid var(--color-ink); border-radius: 50%; background: var(--color-canvas); }
.ds-tour[data-placement="below"]::after { content: ""; position: absolute; left: calc(var(--space-4) + var(--eyelet-size) / 2 - 1px); bottom: 100%; height: var(--space-3); border-left: 2px dotted var(--color-ink); }
.ds-tour[data-placement="above"]::after { content: ""; position: absolute; left: calc(var(--space-4) + var(--eyelet-size) / 2 - 1px); top: 100%; height: var(--space-3); border-left: 2px dotted var(--color-ink); }
.ds-tour:focus-visible { outline: var(--focus-width) solid var(--color-action); outline-offset: 2px; }
.ds-tour-progress { margin: 0; font: var(--weight-label) var(--text-caption)/var(--leading-body) var(--font-code); color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; }
.ds-tour-title { margin: 0; font-size: var(--text-section); }
.ds-tour-body { margin: 0; color: var(--color-muted); }
.ds-tour-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }
.ds-tour-actions .text-button { margin-right: auto; }
.ds-tour-target, .is-tour-target { outline: var(--focus-width) dashed var(--color-signal); outline-offset: var(--focus-offset); }
@media (max-width: 599px) { .ds-tour { left: var(--space-3); right: var(--space-3); bottom: var(--space-3); width: auto; } .ds-tour[data-placement]::after { display: none; } }

/* Paused: one data-paused attribute freezes every CSS animation inside it (the WCAG 2.2.2 pause control). */
[data-paused], [data-paused] *, [data-paused] *::before, [data-paused] *::after { animation-play-state: paused; }

/* Motion. The base state of every animated element is its FINAL state; entrances run only when motion is allowed,
   from a state class or data attribute, with explicit from and to keyframes. Transform, translate, rotate, scale and opacity only
   (the circle draw is the documented exception). */
@keyframes ds-stamp-slam-cert { from { scale: 1.35; opacity: 0; } 60% { scale: .96; opacity: 1; } to { scale: 1; opacity: 1; } }
@keyframes ds-stamp-slam { from { scale: 2.4; opacity: 0; } 60% { scale: .94; opacity: 1; } to { scale: 1; opacity: 1; } }
@keyframes ds-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: no-preference) {
  .ds-stamp.is-in { animation: ds-stamp-slam .35s var(--ease-stamp) both; }
  .ds-cert-sheet > .ds-stamp--xl { animation: ds-stamp-slam-cert .35s var(--ease-stamp) both; }
  .ds-circled path { animation: ds-draw .6s ease-out .5s both; }
  .ds-tag-card--swing { transition: rotate var(--motion-fast) var(--ease-out); }
}
@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .ds-tag-card--swing:hover { rotate: -1.5deg; }
}
@media (max-width: 760px) {
  .ds-tag-card--split { grid-template-columns: minmax(0, 1fr); }
  .ds-tag-card-tag { border-right: 0; border-bottom: 2px dashed var(--color-tag-edge); }
  .ds-scoreboard-cell { flex-basis: 50%; }
  .ds-scoreboard-cell--hero { flex-basis: 100%; }
  .ds-scoreboard-cell:nth-child(n + 3) { border-top: var(--border-width) solid var(--color-ink); }
  .ds-scoreboard-cell:nth-child(odd) { border-left: 0; }
  .ds-cert-sheet, .ds-cert-sheet:has(> .ds-stamp--xl) { display: block; padding: var(--space-5); }
  .ds-cert-sheet > .ds-stamp--xl { position: static; display: inline-block; margin-top: var(--space-4); transform-origin: 0 0; }
}
/* In flow on narrow sheets the stamp scales from its left edge, so the slam's overshoot would push past the viewport. Press in instead: it never grows past its final size. */
@keyframes ds-stamp-press { from { scale: .9; opacity: 0; } to { scale: 1; opacity: 1; } }
@media (max-width: 760px) and (prefers-reduced-motion: no-preference) {
  .ds-cert-sheet > .ds-stamp--xl { animation-name: ds-stamp-press; }
}
@media (max-width: 700px) {
  .ds-form, .ds-tag-card--form { padding: var(--space-6) var(--space-4) var(--space-4); }
  .ds-form::before, .ds-tag-card--form::before { display: none; }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (forced-colors: active) {
  .ds-stamp, .ds-tag-card, .ds-form, .ds-measure, .ds-tape { border-color: CanvasText; }
  .ds-tape-fill { background: Highlight; }
}
@media print {
  .ds-measure { border: 1.5px solid var(--color-ink); background: none; color: var(--color-ink); }
  .ds-tour { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}