/* Shelf Report base and components. Every value comes from tokens.css; node design/check.mjs fails on a raw colour, font or rounded corner. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-page); color: var(--color-text); font: var(--type-body); -webkit-font-smoothing: antialiased; }
[data-surface] { background: var(--color-surface); color: var(--color-text); }
[data-surface="belt"] { color-scheme: dark; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
p, li { text-wrap: pretty; }
ul, ol { padding: 0; list-style: none; }
h1 { font: var(--type-display); font-stretch: var(--type-display-stretch); letter-spacing: var(--type-display-tracking); text-wrap: balance; }
h2 { font: var(--type-title); font-stretch: var(--type-title-stretch); letter-spacing: var(--type-title-tracking); text-wrap: balance; }
h3 { font: var(--type-heading); font-stretch: var(--type-heading-stretch); letter-spacing: var(--type-heading-tracking); text-transform: var(--type-heading-case); }
a { color: inherit; text-decoration-thickness: var(--rule-thin); text-underline-offset: 4px; }
:focus-visible { outline: var(--rule-thick) solid var(--color-focus); outline-offset: 3px; }
::selection { background: var(--color-inverse); color: var(--color-inverse-text); }
[hidden] { display: none !important; }

/* Layout */
.wrap { max-width: var(--layout-page); margin-inline: auto; padding-inline: clamp(var(--space-16), 4vw, var(--space-48)); }
.prose { max-width: var(--layout-prose); }
.stack > * + * { margin-top: var(--stack, var(--space-16)); }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-12); }
.muted { color: var(--color-muted); }

/* Button: one filled button per view, the rest quiet. */
.btn { font: var(--type-action); font-stretch: var(--type-action-stretch); letter-spacing: var(--type-action-tracking); text-transform: var(--type-action-case); display: inline-flex; align-items: center; justify-content: center; gap: var(--space-8); min-height: var(--size-tap); padding: var(--space-8) var(--space-24); border: var(--rule-thick) solid var(--color-text); border-radius: 0; background: var(--color-inverse); color: var(--color-inverse-text); text-decoration: none; cursor: pointer; transition: background-color var(--motion-fast) var(--motion-ease), color var(--motion-fast) var(--motion-ease); }
.btn:hover { background: transparent; color: var(--color-text); }
.btn-quiet { background: transparent; color: var(--color-text); }
.btn-quiet:hover { background: var(--color-inverse); color: var(--color-inverse-text); }
.btn:disabled { border-style: dashed; background: transparent; color: var(--color-muted); cursor: not-allowed; }

/* Field: the label is always visible; an error is words under the field. */
.field { display: grid; gap: var(--space-4); }
.field label { font: var(--type-label); font-stretch: var(--type-label-stretch); letter-spacing: var(--type-label-tracking); text-transform: var(--type-label-case); }
.field input, .field select, .field textarea { font: var(--type-body); width: 100%; min-height: var(--size-tap); padding: var(--space-8) var(--space-12); border: var(--rule-thick) solid var(--color-text); border-radius: 0; background: var(--color-surface); color: var(--color-text); }
.field [aria-invalid="true"] { border-color: var(--color-danger); }
.field-help { font: var(--type-small); color: var(--color-muted); }
.field-error { font: var(--type-small); color: var(--color-danger); }

/* Docket: the container for evidence. Give it data-surface="paper" so it reads the same on any page. */
.docket { position: relative; padding: var(--space-24); }
.docket::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: var(--space-8); background: var(--color-surface); -webkit-mask: conic-gradient(from 135deg at top, transparent, black 1deg 89deg, transparent 90deg) 50% / var(--space-16) 100%; mask: conic-gradient(from 135deg at top, transparent, black 1deg 89deg, transparent 90deg) 50% / var(--space-16) 100%; }
.docket-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-8); padding-bottom: var(--space-12); border-bottom: var(--rule-thin) dashed var(--color-text); }

/* Lines and leaders: computed values, one per row. */
.lines > li, .leader { font: var(--type-data); font-stretch: var(--type-data-stretch); }
.lines > li { display: flex; align-items: baseline; gap: var(--space-12); padding-block: var(--space-8); border-bottom: var(--rule-thin) dotted var(--color-rule); }
.leader { display: flex; align-items: baseline; gap: var(--space-8); }
.leader > :first-child { flex: 1; display: flex; align-items: baseline; gap: var(--space-8); }
.leader > :first-child::after { content: ""; flex: 1; min-width: var(--space-16); border-bottom: var(--rule-thin) dotted var(--color-muted); }
.leader > :last-child { font-weight: 700; }

/* The big number, always with its base next to it. */
.figure { font: var(--type-figure); font-stretch: var(--type-figure-stretch); letter-spacing: var(--type-figure-tracking); }

/* Marks: what a thing is on the shelf. The words are in the HTML; the mark only styles them. */
.flag, .tag { font: var(--type-label); font-stretch: var(--type-label-stretch); letter-spacing: var(--type-label-tracking); text-transform: var(--type-label-case); display: inline-block; padding: var(--space-2) var(--space-4); white-space: nowrap; }
.flag { background: var(--color-inverse); color: var(--color-inverse-text); }
.tag { border: var(--rule-thin) solid currentColor; }
.you { background: var(--color-you); color: var(--color-you-text); padding-inline: 0.2em; }
.tile { font: var(--type-data); font-stretch: var(--type-data-stretch); display: flex; align-items: center; gap: var(--space-8); min-height: var(--size-tap); padding: var(--space-8) var(--space-12); border: var(--rule-thick) solid var(--color-text); overflow-wrap: anywhere; }
.tile + .tile { margin-top: var(--space-4); }
.tile[data-mark="organic"] { border-color: var(--color-rule); color: var(--color-muted); }
.tile[data-mark="you"] { border-color: var(--color-you); background: var(--color-you); color: var(--color-you-text); font-weight: 700; }
.tile[data-mark="wrong"] { border-color: var(--color-danger); color: var(--color-danger); }
.tile[data-mark="missing"] { border-style: dashed; border-color: var(--color-muted); color: var(--color-muted); }

/* Slip: a docket or shelf shown as a printed object, tilted on a hard offset shadow. The only shadow in the system (README rule 5). */
.slip { box-shadow: var(--space-8) var(--space-8) 0 var(--color-text); transform: rotate(-1.2deg); }
.slip-right { transform: rotate(1deg); }
@media (prefers-reduced-motion: reduce) { .slip, .slip-right { transform: none; } }

/* Shelf: a phone-wide stack of tiles in the order a shopper scrolls them. */
.shelf { width: min(100%, 340px); padding: var(--space-12); border: var(--rule-thick) solid var(--color-text); background: var(--color-surface); color: var(--color-text); }
.shelf-search { font: var(--type-data); font-stretch: var(--type-data-stretch); padding-bottom: var(--space-8); margin-bottom: var(--space-12); border-bottom: var(--rule-thin) dashed var(--color-text); }

/* Callout: the one line addressed to the reader. One per sheet. */
.callout { padding: var(--space-16); background: var(--color-you); color: var(--color-you-text); }

/* Notice: a message from the system, in words. */
.notice { font: var(--type-small); padding: var(--space-12) var(--space-16); border: var(--rule-thick) solid var(--color-text); }
.notice[data-kind="error"] { border-color: var(--color-danger); color: var(--color-danger); }

/* Tiers */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-16); }
.tier { display: grid; align-content: start; gap: var(--space-12); padding: var(--space-24); border: var(--rule-thick) solid var(--color-text); background: var(--color-surface); }
.tier .btn { margin-top: var(--space-12); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}