/* dsh-bridge catalog. Vanilla CSS. No external fonts, images, or requests. */

/* ---------------------------------------------------------------- tokens */

:root {
  color-scheme: light dark;

  /* Neutral surfaces with a faint cool tint toward the accent. */
  --bg: oklch(0.984 0.004 250);
  --bg-raised: oklch(0.957 0.005 250);
  --surface: oklch(1 0 0);
  --ink: oklch(0.24 0.02 255);
  --ink-muted: oklch(0.45 0.02 255);
  --ink-faint: oklch(0.54 0.018 255);
  --border: oklch(0.905 0.01 255);
  --border-strong: oklch(0.82 0.015 255);

  /* Interactive accent. Deliberately shares the blue family with grade B:
     one restrained accent carries links, focus rings, and pressed states. */
  --accent: oklch(0.5 0.13 255);

  /* Grade palette. Letters carry the meaning; color reinforces.
     Chosen to stay distinguishable under common color-vision deficiencies:
     A teal, B blue, C amber, D orange, F red. Values are TEXT tones, tuned
     against their own tinted badge backgrounds (>= 4.5:1, see contrast audit). */
  --grade-a: oklch(0.42 0.1 195);
  --grade-b: oklch(0.4 0.13 255);
  --grade-c: oklch(0.42 0.11 80);
  --grade-d: oklch(0.43 0.14 55);
  --grade-f: oklch(0.42 0.19 27);

  /* Spacing scale, 4px base. */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;

  --wrap: 68rem;
  --radius: 8px;

  /* z-index scale: the sticky filter bar is the only elevated surface. */
  --z-sticky: 20;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 150ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode raises lightness and chroma rather than inverting. */
    --bg: oklch(0.205 0.015 255);
    --bg-raised: oklch(0.245 0.018 255);
    --surface: oklch(0.25 0.018 255);
    --ink: oklch(0.93 0.008 255);
    --ink-muted: oklch(0.77 0.014 255);
    --ink-faint: oklch(0.64 0.018 255);
    --border: oklch(0.32 0.02 255);
    --border-strong: oklch(0.42 0.025 255);
    --accent: oklch(0.74 0.115 250);

    --grade-a: oklch(0.81 0.1 195);
    --grade-b: oklch(0.78 0.11 255);
    --grade-c: oklch(0.83 0.13 88);
    --grade-d: oklch(0.8 0.14 62);
    --grade-f: oklch(0.76 0.16 25);
  }
}

/* ------------------------------------------------------------ reset lite */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

/* Author display values otherwise beat the UA sheet's [hidden] rule. */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

svg {
  display: block;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-thickness: 2px;
}

code,
.mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

::selection {
  background: color-mix(in oklab, var(--accent) 22%, transparent);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -4rem;
  z-index: calc(var(--z-sticky) + 1);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--s-2) var(--s-3);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.skip-link:focus-visible {
  top: var(--s-4);
}

/* --------------------------------------------------------------- layout */

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--s-5);
}

@media (min-width: 40em) {
  .wrap {
    padding-inline: var(--s-6);
  }
}

/* --------------------------------------------------------------- header */

.site-header {
  padding-top: var(--s-6);
}

.brand a {
  color: inherit;
  text-decoration: none;
  font-weight: 750;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}

.brand a:hover {
  color: var(--accent);
  text-decoration: none;
}

.tagline {
  color: var(--ink-muted);
  font-size: 0.9375rem;
  margin-top: 2px;
}

/* ----------------------------------------------------------------- hero */

.hero {
  padding-block: var(--s-7) var(--s-6);
}

.hero h1 {
  font-size: clamp(1.8125rem, 1.3rem + 2.2vw, 2.5rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.021em;
  text-wrap: balance;
  max-width: 24ch;
}

.hero .lede {
  margin-top: var(--s-4);
  max-width: 68ch;
  color: var(--ink-muted);
}

.meta {
  font-size: 0.875rem;
  color: var(--ink-muted);
}

.hero .meta {
  margin-top: var(--s-4);
}

/* ------------------------------------------------------- controls (sticky) */

.controls {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding-block: var(--s-3);
}

/* Stick the filter bar on viewports tall enough to afford it; on phones a
   multi-row sticky header would eat the content the filters exist to serve. */
@media (min-width: 48em) {
  .controls {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
  }
}

.controls-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3) var(--s-4);
}

.search-field {
  flex: 1 1 280px;
  max-width: 400px;
}

.search-field input {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--s-2) var(--s-3);
  transition: border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out);
}

.search-field input:hover {
  border-color: var(--ink-faint);
}

.search-field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent);
}

.search-field input::placeholder {
  color: var(--ink-faint);
  opacity: 1;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
}

.select-field {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
  max-width: 100%;
}

.select-field label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-muted);
  white-space: nowrap;
}

.select-field select {
  font: inherit;
  font-size: 0.9375rem;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--s-2) var(--s-3);
  min-width: 0;
  max-width: 100%;
  text-overflow: ellipsis;
  transition: border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out);
}

.select-field select:hover {
  border-color: var(--ink-faint);
}

.select-field select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent);
}

/* Filter chips. Pressed state borrows the matching grade token so the
   chip, the table badge, and the legend all read as one system. */

.chip {
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  transition: color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    background-color var(--t-fast) var(--ease-out);
}

.chip:hover {
  color: var(--ink);
  background: var(--bg-raised);
  border-color: var(--ink-faint);
}

.chip-count {
  font-size: 0.8125rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
}

.chip[aria-pressed="true"],
.chip[aria-pressed="true"]:hover {
  /* Grade chips bind --g per grade below; category chips fall back to the accent. */
  background: color-mix(in oklab, var(--g, var(--accent)) 13%, var(--bg));
  border-color: color-mix(in oklab, var(--g, var(--accent)) 45%, transparent);
  color: var(--g, var(--accent));
}

.chip[aria-pressed="true"] .chip-count {
  color: inherit;
  opacity: 0.75;
}

.chip.g-a { --g: var(--grade-a); }
.chip.g-b { --g: var(--grade-b); }
.chip.g-c { --g: var(--grade-c); }
.chip.g-d { --g: var(--grade-d); }
.chip.g-f { --g: var(--grade-f); }

/* ---------------------------------------------------------------- badges */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.75rem;
  padding-inline: 0.35rem;
  border-radius: var(--radius);
  border: 1px solid color-mix(in oklab, var(--g) 38%, transparent);
  background: color-mix(in oklab, var(--g) 13%, var(--bg));
  color: var(--g);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1;
}

.badge.g-a { --g: var(--grade-a); }
.badge.g-b { --g: var(--grade-b); }
.badge.g-c { --g: var(--grade-c); }
.badge.g-d { --g: var(--grade-d); }
.badge.g-f { --g: var(--grade-f); }

/* ---------------------------------------------------------------- table */

.catalog-section {
  padding-block: var(--s-5) var(--s-7);
}

.catalog-section .meta {
  margin-bottom: var(--s-4);
}

table.catalog {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.catalog th {
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 0 var(--s-3) var(--s-2);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}

.catalog th.col-num {
  text-align: right;
}

.catalog td {
  padding: var(--s-4) var(--s-3);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.catalog tbody tr {
  transition: background-color var(--t-fast) var(--ease-out);
}

.catalog tbody tr:hover {
  background: var(--bg-raised);
}

.catalog tbody tr:last-child td {
  border-bottom: none;
}

.plugin-name {
  display: block;
}

.plugin-name a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.plugin-name a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.plugin-desc {
  display: block;
  margin-top: 2px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 52ch;
}

.verdict {
  max-width: 46ch;
}

.repo a {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
  font-size: 0.84375rem;
  color: var(--ink-muted);
  text-decoration: none;
}

.repo a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.col-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.verified {
  color: var(--ink-muted);
  font-size: 0.84375rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Narrow viewports: keep the semantic table in the DOM and restyle rows as
   stacked entries. Field labels come from each cell's data-label. */

@media (max-width: 59.99em) {
  .catalog thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  table.catalog,
  .catalog tbody,
  .catalog tr,
  .catalog td {
    display: block;
  }

  .catalog tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--s-4);
    margin-block-end: var(--s-3);
  }

  .catalog tr:hover {
    background: transparent;
  }

  .catalog tr:last-child {
    margin-block-end: 0;
  }

  .catalog td {
    padding: 0;
    border-bottom: none;
  }

  .catalog td + td {
    margin-top: var(--s-3);
  }

  .catalog td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ink-muted);
    margin-bottom: 2px;
  }

  .col-num {
    text-align: left;
  }
}

/* ---------------------------------------------------------- state boxes */

.state-box {
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  padding: var(--s-6);
  margin-block: var(--s-5);
  max-width: 60ch;
}

.state-box h2 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.state-box p {
  margin-top: var(--s-2);
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.state-box .button {
  margin-top: var(--s-4);
}

.button {
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--s-2) var(--s-4);
  transition: border-color var(--t-fast) var(--ease-out),
    background-color var(--t-fast) var(--ease-out);
}

.button:hover {
  border-color: var(--ink-faint);
  background: var(--bg-raised);
}

noscript p {
  margin-block: var(--s-5);
  color: var(--ink-muted);
}

/* ---------------------------------------------------------------- notes */

.notes {
  border-top: 1px solid var(--border);
  padding-block: var(--s-6) var(--s-8);
}

.notes h2 {
  font-size: 1.3125rem;
  font-weight: 750;
  letter-spacing: -0.014em;
}

.grade-legend {
  margin-top: var(--s-5);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--s-4);
  row-gap: var(--s-3);
  align-items: start;
}

.grade-legend dd {
  color: var(--ink-muted);
  font-size: 0.9375rem;
  max-width: 68ch;
}

.notes .methodology {
  margin-top: var(--s-6);
  font-size: 0.9375rem;
  color: var(--ink-muted);
  max-width: 68ch;
}

/* --------------------------------------------------------------- footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--s-5) var(--s-6);
  font-size: 0.875rem;
  color: var(--ink-muted);
}

.site-footer p + p {
  margin-top: var(--s-1);
}

.site-footer code {
  font-size: 0.8125rem;
}

/* --------------------------------------------------------- reduced motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}