:root {
  color-scheme: light dark;
  --bg: #f4f2ee;
  --text: #1b1f24;
  --muted: #5e6670;
  --surface: #ffffff;
  --border: #e2ded6;
  --accent: #2f7d86;
  --code-bg: #14202b;
  --code-text: #e6edf3;
  --radius: 26px;
  --font: Nunito, "Open Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1418;
    --text: #eef1f3;
    --muted: #96a2ad;
    --surface: #151d23;
    --border: #24303a;
    --accent: #6cc4cc;
    --code-bg: #0a1015;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1418;
  --text: #eef1f3;
  --muted: #96a2ad;
  --surface: #151d23;
  --border: #24303a;
  --accent: #6cc4cc;
  --code-bg: #0a1015;
}

* {
  box-sizing: border-box;
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 100%/1.55 var(--font);
  overflow-wrap: break-word;
}

a {
  color: inherit;
}

button {
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 70rem;
  margin: 0 auto;
  padding-inline: max(1rem, env(safe-area-inset-left), env(safe-area-inset-right));
}

main {
  flex: 1;
  padding-block: clamp(2rem, 6vw, 3.5rem) 4.5rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.theme {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.85rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.search {
  display: block;
  width: 100%;
  margin-top: 1.5rem;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: 600 1rem var(--font);
}

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

/* Toolbar */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 2rem;
}

.views {
  display: flex;
  max-width: 100%;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.views button {
  flex: none;
  padding: 6px 14px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.views button[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg);
}

.levels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.levels button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.levels button[aria-pressed="true"] {
  border-color: hsl(var(--hue) 45% 40%);
  background: hsl(var(--hue) 45% 26%);
  color: #fff;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.checks button {
  padding: 6px 12px;
  border: 1px dashed var(--border);
  border-radius: 999px;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.checks button[aria-pressed="true"] {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
}

.levels [data-level="0"] { --hue: 160; }
.levels [data-level="1"] { --hue: 215; }
.levels [data-level="2"] { --hue: 280; }

.sort {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.sort select {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.hint {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: 0.85rem;
}

.status {
  color: var(--muted);
}

/* Cards */

.list {
  margin-top: 20px;
}

.row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(85%, 29rem);
  gap: 1.1rem;
  padding: 6px 2px 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

/* Level sections */

.group + .group {
  margin-top: 1.5rem;
}

.group h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 1.5rem;
  font-weight: 900;
}

.group .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
}

.group[style] .dot {
  background: hsl(var(--hue) 50% 45%);
}

.group .count {
  padding: 1px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.group p {
  margin: 4px 0 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  min-height: 18.75rem;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 0;
  border-radius: var(--radius);
  background: hsl(var(--hue) 45% 26%);
  color: #fff;
  text-align: left;
  scroll-snap-align: start;
}

.card[aria-pressed="true"] {
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 6px var(--accent);
}

.card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.card strong {
  display: block;
  font-size: clamp(1.7rem, 3.2vw, 2.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.card .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: #ffffff26;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

[data-grouped="level"] .tag.level {
  display: none;
}

.card .description {
  display: block;
  margin-top: 12px;
  color: #ffffffcc;
  font-size: 0.95rem;
}

.card .action {
  font-size: 0.9rem;
  font-weight: 800;
}

[data-view="grid"] .row,
[data-view="compact"] .row,
[data-view="slim"] .row {
  grid-auto-flow: row;
  overflow: visible;
}

[data-view="grid"] .row {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 21rem), 1fr));
}

[data-view="compact"] .row {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr));
  gap: 12px;
}

[data-view="compact"] .card {
  min-height: 8rem;
  padding: 18px 20px;
  border-radius: 18px;
}

[data-view="compact"] .card strong {
  font-size: 1.15rem;
}

[data-view="compact"] .description,
[data-view="compact"] .action {
  display: none;
}

[data-view="slim"] .row {
  grid-template-columns: 1fr;
  gap: 8px;
}

[data-view="slim"] .card {
  flex-direction: row;
  align-items: center;
  gap: 16px;
  min-height: 0;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-left: 6px solid hsl(var(--hue) 55% 45%);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
}

[data-view="slim"] .card[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--accent);
}

[data-view="slim"] .card > span:first-child {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}

[data-view="slim"] .card strong {
  flex: none;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
}

[data-view="slim"] .tags {
  display: none;
}

[data-view="slim"] .description {
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.88rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

[data-view="slim"] .action {
  flex: none;
  color: var(--accent);
}

/* Viewer */

.viewer {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.viewer-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.viewer-header h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 900;
}

.viewer-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.actions button,
.actions a {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: none;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.actions [hidden] {
  display: none;
}

/* The textarea sits on top of the highlighted code, with transparent text.
   Both must use exactly the same font, size and padding to line up. */
.editor {
  position: relative;
  background: var(--code-bg);
}

.editor pre,
.editor code,
.editor textarea {
  margin: 0;
  padding: 0;
  border: 0;
  font: 0.85rem/1.6 var(--mono);
  tab-size: 2;
  white-space: pre;
}

.editor pre,
.editor textarea {
  padding: clamp(1rem, 3vw, 1.4rem);
}

.editor pre {
  overflow: hidden;
  color: var(--code-text);
  pointer-events: none;
}

.editor textarea {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: var(--code-text);
  outline: none;
}

.editor textarea::selection {
  background: #7cc7ff40;
}

.editor textarea:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.note {
  margin: 0;
  padding: 10px 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

.files {
  border-top: 1px solid var(--border);
}

.file + .file {
  border-top: 1px solid var(--border);
}

.file summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  font-family: var(--mono);
  font-size: 0.9rem;
  cursor: pointer;
}

.file summary .name {
  flex: 1;
}

.file summary a {
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.file pre {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.4rem);
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-text);
  font: 0.85rem/1.6 var(--mono);
  tab-size: 2;
}

.file code {
  font: inherit;
}

.hljs-comment { color: #7f93a6; }
.hljs-attr, .hljs-property { color: #7cc7ff; }
.hljs-string { color: #a5d6a7; }
.hljs-number, .hljs-literal { color: #f9c97c; }
.hljs-keyword { color: #ff9ac1; }
.hljs-built_in, .hljs-variable { color: #ffb38a; }
.hljs-title { color: #c4b5fd; }
.hljs-bullet, .hljs-punctuation, .hljs-operator { color: #8fa3b5; }
.hljs-subst, .hljs-meta { color: #ffd580; }
.hljs-regexp { color: #f78c6c; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
}

.pager button {
  display: grid;
  gap: 2px;
  min-width: 0;
  max-width: 48%;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: none;
  text-align: left;
}

.pager button[hidden] {
  display: none;
}

.pager [data-step="1"] {
  margin-left: auto;
  text-align: right;
}

.pager small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pager span {
  overflow: hidden;
  font-weight: 800;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* Footer */

footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 3.5rem max(3.5rem, env(safe-area-inset-bottom));
}

.footer strong {
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.footer p {
  max-width: 26rem;
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer nav a {
  padding: 10px 18px;
  white-space: nowrap;
  border: 2px solid currentColor;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.footer nav a:first-child {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
}

/* Bigger tap targets on touch screens. iOS zooms in on inputs under 16px. */
@media (pointer: coarse) {
  .views button {
    padding: 10px 16px;
  }

  .actions button,
  .actions a,
  .sort select {
    padding-block: 11px;
  }

  .editor pre,
  .editor code,
  .editor textarea {
    font-size: max(16px, 0.85rem);
  }
}

@media (max-width: 40rem) {
  [data-view="slim"] .description,
  [data-view="slim"] .action {
    display: none;
  }

  .hint {
    display: none;
  }
}

@media (max-width: 30rem) {
  .viewer-header,
  .pager,
  .note {
    padding-inline: 1rem;
  }

  .pager {
    flex-wrap: wrap;
  }

  .pager button {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .footer nav {
    width: 100%;
  }

  .footer nav a {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* Workflow library */
[hidden] { display: none !important; }
.eyebrow { margin: 0 0 1rem; color: var(--accent); font-size: .72rem; font-weight: 900; letter-spacing: .14em; }
.search { margin-top: 2.2rem; border-radius: 14px; padding: 18px 20px; }
.toolbar { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.results { margin: 1.2rem 0; color: var(--muted); font-size: .85rem; }
.viewer { scroll-margin-top: 1rem; }
.viewer-header { padding: 24px; }
.viewer-header .eyebrow { margin: 0 0 8px; font-size: .68rem; }
.viewer-header > div:first-child { min-width: 0; flex: 1 1 18rem; }
.viewer-header h2 { overflow-wrap: anywhere; font-size: 1.5rem; }
.actions { align-items: center; }
.actions button, .actions a { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; }
.actions #copy { background: var(--accent); color: var(--bg); border-color: var(--accent); }
button:focus-visible, a:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.load-error { padding: 2rem; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.load-error h2 { margin-top: 0; }
.load-error p { color: var(--muted); }
.load-error button { padding: 12px 20px; border: 0; border-radius: 10px; background: var(--accent); color: var(--bg); font-weight: 800; }
@media (max-width: 600px) {
  main { padding-top: 1.5rem; }
  .toolbar { gap: 14px; margin-top: 1rem; }
  .views { width: 100%; }
  .views button { flex: 1; min-height: 36px; }
  .levels button { min-height: 40px; }
  .viewer-header { padding: 18px; }
  .actions { width: 100%; }
  .actions #copy, .actions #download { flex: 1; }
  .editor pre, .editor code, .editor textarea { font-size: 13px; }
  .pager { gap: 10px; }
}

/* Keep navigation in place regardless of workflow length. */
.viewer {
  display: flex;
  flex-direction: column;
  height: max(38rem, 85svh);
  overflow-anchor: none;
}
.viewer-header, .viewer > .note, .viewer > .pager { flex-shrink: 0; }
.viewer .editor { flex: 1; min-height: 8rem; overflow: hidden; }
.viewer .editor pre { position: absolute; inset: 0; }
.viewer .editor textarea { overflow: auto; }
.viewer > .files { flex: 0 1 auto; max-height: 25%; overflow: auto; }
.viewer > .pager { height: 8rem; align-items: stretch; }
.pager button { flex: 0 1 48%; grid-template-rows: auto 1fr; overflow: hidden; }
.pager button span { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

.editor-tools {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 8px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.editor-tools button {
  min-height: 40px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-size: .8rem;
  font-weight: 800;
}
.editor-tools button[aria-pressed="true"] { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.viewer .editor pre, .viewer .editor textarea { scrollbar-gutter: stable; }
.viewer.wrap-lines .editor pre,
.viewer.wrap-lines .editor code,
.viewer.wrap-lines .editor textarea { white-space: pre-wrap; overflow-wrap: anywhere; word-break: normal; }
/* Both layers share one native scroll container, including on touch devices. */
.viewer .editor { overflow: auto; overscroll-behavior: auto; }
.editor-content { position: relative; width: max-content; min-width: 100%; min-height: 100%; }
.viewer .editor pre { position: static; overflow: visible; }
.viewer .editor textarea { overflow: hidden; }
.viewer .editor pre, .viewer .editor textarea { scrollbar-gutter: auto; }
.viewer.wrap-lines .editor-content { width: 100%; }
.viewer.expanded { height: auto; }
.viewer.expanded .editor { flex: none; overflow-x: auto; }
.viewer.expanded .files { max-height: none; overflow: visible; }

.section-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 4px 0;
  border: 0;
  background: none;
  text-align: left;
  font: inherit;
}
.section-toggle .chevron { margin-left: auto; color: var(--muted); }
.section-toggle[aria-expanded="false"] .chevron { transform: rotate(-90deg); }

.library-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 1.2rem 0; }
.library-actions .results { margin: 0; }
#random-rule { min-height: 44px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); font-weight: 800; font-size: .85rem; white-space: nowrap; }
#random-rule:disabled { opacity: .5; cursor: default; }

.browse-options { margin-top: 12px; border-bottom: 1px solid var(--border); }
.browse-options > summary { display: flex; align-items: center; gap: 10px; min-height: 48px; cursor: pointer; list-style: none; color: var(--muted); font-size: .88rem; font-weight: 800; }
.browse-options > summary::-webkit-details-marker { display: none; }
.browse-options > summary::after { content: "+"; margin-left: auto; font-size: 1.25rem; }
.browse-options[open] > summary::after { content: "−"; }
.browse-options > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.filter-state { color: var(--accent); font-size: .75rem; font-weight: 700; }
.browse-options .toolbar { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; margin: 0; padding: 12px 0 20px; border: 0; }
.option-group { display: flex; flex-direction: column; gap: 8px; max-width: 100%; }
.option-label { color: var(--muted); font-size: .75rem; font-weight: 800; }
.browse-options .views { width: auto; }

.workflow-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.workflow-tag { padding: 3px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .7rem; font-weight: 800; }
.workflow-level { border-color: hsl(var(--hue) 40% 42%); background: hsl(var(--hue) 45% 26%); color: #fff; }