/* RBlock Laboratories — reader directories. Builds on site.css tokens.
   Layout: a ledger of entries. Each entry is a <details> element, so the full content
   reads and indexes without JavaScript; directories.js adds filters, search, sorting and compare. */

/* hero */
.dx-hero-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: var(--space-3); font-stretch: 88%; font-size: var(--fs-note); color: #dcdcff; }
.dx-hero-meta b { color: var(--white); font-weight: 640; }
.dx-switch { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--space-4); }
.dx-switch a { display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border: 2px solid rgba(255,255,255,.55); text-decoration: none; font-weight: 600; font-size: var(--fs-note); }
.dx-switch a::before { content: ""; width: 10px; height: 10px; border: 2px solid currentColor; }
.dx-switch a:hover { border-color: var(--white); }
.dx-switch a[aria-current="page"] { background: var(--white); color: var(--blue); border-color: var(--white); }
.dx-switch a[aria-current="page"]::before { background: var(--blue); border-color: var(--blue); }

.dx-section { padding: var(--space-5) 0 var(--space-6); }

/* intro: how to use + stats */
.dx-intro { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: start; margin-bottom: var(--space-5); }
.dx-intro h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: var(--space-2); }
.dx-intro .steps li { padding: 14px 0; grid-template-columns: 44px minmax(0, 1fr); gap: 16px; }
.dx-intro .steps li::before { width: 34px; height: 34px; font-size: 1rem; }
.dx-intro .steps p { color: var(--night); }
.dx-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; background: var(--mist); border: 2px solid var(--mist); }
.dx-stat { background: var(--white); padding: 18px 20px; }
.dx-stat b { display: block; font-stretch: 125%; font-weight: 760; font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1; font-variant-numeric: tabular-nums; }
.dx-stat span { display: block; margin-top: 8px; font-stretch: 88%; font-size: var(--fs-note); color: var(--steel); line-height: 1.35; }

/* view switch (crypto: firms / key works) */
.dx-views { display: flex; border: 2px solid var(--night); width: max-content; max-width: 100%; margin-bottom: var(--space-3); }
.dx-views button { font: inherit; font-size: var(--fs-note); font-weight: 620; color: var(--night); background: transparent; border: 0; border-right: 2px solid var(--night); padding: 10px 18px; cursor: pointer; display: inline-flex; gap: 8px; }
.dx-views button:last-child { border-right: 0; }
.dx-views button span { font-stretch: 88%; font-weight: 400; opacity: .75; }
.dx-views button[aria-pressed="true"] { background: var(--night); color: var(--white); }
.dx-views button:hover:not([aria-pressed="true"]) { background: var(--mist); }

/* toolbar */
.dx-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 0 0 18px; border-bottom: 3px solid var(--night); }
.dx-search { flex: 1 1 260px; min-width: 0; position: relative; }
.dx-search input, .dx-bar select {
  width: 100%; font: inherit; font-size: 1rem; color: var(--night); background-color: var(--white);
  border: 2px solid var(--night); border-radius: 0; padding: 10px 14px;
}
.dx-search input { padding-left: 40px; }
.dx-search input::placeholder { color: var(--steel); }
.dx-search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--steel); }
.dx-bar select {
  width: auto; max-width: 100%; min-width: 0; padding-right: 34px; appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--night) 50%), linear-gradient(135deg, var(--night) 50%, transparent 50%);
  background-position: calc(100% - 18px) 52%, calc(100% - 12px) 52%; background-size: 6px 6px; background-repeat: no-repeat;
}
.dx-bar select.on { background-color: #ececff; border-color: var(--blue); }
.dx-check { display: inline-flex; gap: 8px; align-items: center; font-size: var(--fs-note); font-weight: 560; cursor: pointer; padding: 8px 4px; white-space: nowrap; }
.dx-check input { accent-color: var(--blue); width: 18px; height: 18px; }
.dx-link { font: inherit; font-size: var(--fs-note); color: var(--steel); background: none; border: 0; padding: 8px 4px; cursor: pointer; text-decoration: underline; text-underline-offset: .25em; text-decoration-color: #b4b9cc; }
.dx-link:hover { color: var(--night); text-decoration-color: var(--blue); }
.dx-result { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; align-items: center; padding: 12px 0 14px; font-stretch: 88%; font-size: var(--fs-note); color: var(--steel); }
.dx-result .dx-tools { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: center; }
.dx-result a { color: var(--steel); }

/* entries */
.dx-list { display: grid; gap: 12px; }
.dx { background: var(--white); border: 2px solid var(--mist); scroll-margin-top: 24px; max-width: none; }
.dx[open] { border-color: var(--night); }
.dx:target, .dx.is-target { box-shadow: inset 4px 0 0 var(--blue); }
.dx > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) auto; gap: 12px clamp(20px, 3vw, 40px); padding: 20px 22px; align-items: start; }
.dx > summary::-webkit-details-marker { display: none; }
.dx > summary:hover h3 { color: var(--blue); }
.dx h3 { font-size: 1.3125rem; font-stretch: 108%; font-weight: 680; line-height: 1.22; }
.dx-meta { display: block; font-stretch: 88%; font-size: var(--fs-note); color: var(--steel); margin-top: 6px; line-height: 1.45; }
.dx-best { display: block; font-size: 1.0625rem; line-height: 1.5; }
.dx-best::before { content: "Best for"; display: block; font-stretch: 88%; font-size: 0.8125rem; font-weight: 640; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin-bottom: 4px; }
.dx-name { display: block; min-width: 0; }
.dx-sig { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; text-align: right; min-width: 120px; }
.dx-price { font-weight: 700; letter-spacing: .06em; white-space: nowrap; }
.dx-price i { font-style: normal; color: var(--mist); }
.dx-conf { display: inline-flex; gap: 7px; align-items: center; font-stretch: 88%; font-size: 0.875rem; color: var(--steel); white-space: nowrap; }
.dx-conf::before { content: ""; width: 9px; height: 9px; background: var(--steel); }
.dx-conf--high::before { background: var(--blue); }
.dx-conf--medium::before { background: transparent; box-shadow: inset 0 0 0 2px var(--blue); }
.dx-kwn { font-stretch: 88%; font-size: 0.875rem; color: var(--steel); white-space: nowrap; }
.dx-open { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 620; color: var(--night); white-space: nowrap; }
.dx-open::after { content: ""; width: 10px; height: 10px; border: 2px solid var(--night); }
.dx[open] .dx-open::after { background: var(--blue); border-color: var(--blue); }
.dx-open .c { display: none; }
.dx[open] .dx-open .o { display: none; }
.dx[open] .dx-open .c { display: inline; }
.dx-tags { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.dx-tags span { font-stretch: 88%; font-size: 0.875rem; padding: 2px 9px; border: 2px solid var(--mist); color: var(--steel); max-width: none; }
.dx-tags span.hl { border-color: var(--blue); color: var(--blue); font-weight: 600; }

.dx-body { border-top: 2px solid var(--mist); padding: 22px; display: grid; gap: 26px; }
.dx-body h4 { font-stretch: 100%; font-size: 0.8125rem; font-weight: 660; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin: 0 0 10px; }
.dx-summary { font-size: 1.0625rem; max-width: 72ch; }
.dx-sw { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.dx-sw ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.dx-sw li { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 6px; font-size: 1rem; max-width: none; }
.dx-sw li::before { font-weight: 760; }
.dx-plus li::before { content: "+"; color: var(--blue); }
.dx-minus li::before { content: "!"; color: var(--night); }
.dx-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 2px; background: var(--mist); border: 2px solid var(--mist); }
.dx-facts div { background: var(--white); padding: 12px 14px; min-width: 0; }
.dx-facts dt { font-stretch: 88%; font-size: 0.8125rem; letter-spacing: .06em; text-transform: uppercase; color: var(--steel); }
.dx-facts dd { margin-top: 4px; font-size: 0.9375rem; overflow-wrap: anywhere; max-width: none; }
.dx-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 26px; }
.dx-chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; }
.dx-chips li { font-size: 0.875rem; padding: 3px 9px; background: var(--paper); max-width: none; }
.dx-links { padding-left: 22px; display: grid; gap: 6px; font-size: 1rem; }
.dx-links li { max-width: none; overflow-wrap: anywhere; }
.dx-people { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.dx-people li { border: 2px solid var(--mist); padding: 12px 14px; max-width: none; }
.dx-people .pn { font-weight: 660; }
.dx-people .pr { font-stretch: 88%; font-size: 0.875rem; color: var(--steel); }
.dx-people .pnote { font-size: 0.9375rem; margin-top: 6px; }
.dx-top2 { display: inline-block; margin-left: 8px; padding: 1px 7px; background: var(--blue); color: var(--white); font-stretch: 88%; font-size: 0.75rem; font-weight: 660; vertical-align: 2px; }
.dx-src { padding-left: 22px; columns: 2 300px; column-gap: 28px; font-stretch: 88%; font-size: 0.875rem; }
.dx-src li { break-inside: avoid; margin-bottom: 4px; overflow-wrap: anywhere; max-width: none; }
.dx-foot { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding-top: 14px; border-top: 2px solid var(--mist); font-size: var(--fs-note); }
.dx-foot button { font: inherit; font-size: var(--fs-note); font-weight: 600; color: var(--night); background: transparent; border: 2px solid var(--night); padding: 7px 12px; cursor: pointer; }
.dx-foot button:hover { background: var(--night); color: var(--white); }
.dx-foot button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: var(--white); }
.dx-foot .dx-anchor { color: var(--steel); font-stretch: 88%; }

/* key works */
.kw-list { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--mist); }
.kw { display: grid; grid-template-columns: 56px minmax(0, 1fr) 190px; gap: 16px; padding: 16px 0; border-bottom: 2px solid var(--mist); max-width: none; }
.kw-yr { font-stretch: 88%; font-variant-numeric: tabular-nums; color: var(--steel); font-size: 1rem; padding-top: 1px; }
.kw-ti { font-weight: 640; font-size: 1.0625rem; line-height: 1.35; }
.kw-ti a { text-decoration-thickness: 1px; text-decoration-color: #b4b9cc; }
.kw-ti a:hover { color: var(--blue); text-decoration-color: var(--blue); }
.kw-cl { font-weight: 400; color: var(--steel); }
.kw-lm { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; font-stretch: 88%; font-size: 0.8125rem; font-weight: 660; color: var(--blue); vertical-align: 1px; white-space: nowrap; }
.kw-lm::before { content: ""; width: 9px; height: 9px; background: var(--blue); }
.kw-why { font-size: 0.9375rem; color: var(--steel); margin-top: 4px; }
.kw-pr { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; list-style: none; padding: 0; }
.kw-pr li { font-stretch: 88%; font-size: 0.8125rem; padding: 1px 7px; background: var(--paper); max-width: none; }
.kw-side { font-stretch: 88%; font-size: 0.875rem; color: var(--steel); text-align: right; }
.kw-side a { font-weight: 640; color: var(--night); font-stretch: 100%; }
.dx-body .kw-list { border-top-color: var(--mist); }
.dx-body .kw { grid-template-columns: 52px minmax(0, 1fr) 150px; padding: 12px 0; }
.kw-lib { background: var(--white); padding: 0 22px; border: 2px solid var(--mist); }
.kw-lib .kw-list { border-top: 0; }
.kw-lib .kw:last-child { border-bottom: 0; }

/* method + bar chart */
.dx-method { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 3px solid var(--night); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 5vw, 72px); }
.dx-method h2 { font-size: clamp(1.5rem, 2.6vw, 2.125rem); margin-bottom: var(--space-2); }
.dx-method p, .dx-method li { color: var(--steel); font-size: 1rem; }
.dx-method p + p, .dx-method p + ul { margin-top: 12px; }
.dx-method ul { padding-left: 20px; display: grid; gap: 6px; }
.dx-bars { list-style: none; padding: 0; display: grid; gap: 6px; margin-top: 14px; }
.dx-bars li { display: grid; grid-template-columns: 26px minmax(0, 200px) minmax(0, 1fr) 44px; gap: 10px; align-items: center; font-size: 0.9375rem; color: var(--night); max-width: none; }
.dx-bars .i, .dx-bars .v { font-stretch: 88%; font-variant-numeric: tabular-nums; color: var(--steel); text-align: right; font-size: 0.875rem; }
.dx-bars .nm { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dx-bars .t { height: 12px; background: var(--mist); }
.dx-bars .t b { display: block; height: 100%; background: var(--blue); }
.dx-note { margin-top: var(--space-4); }
.dx-empty { padding: 48px 16px; text-align: center; color: var(--steel); border: 2px dashed var(--mist); display: grid; gap: 14px; justify-items: center; }

/* hub cards */
.hub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.hub-card { background: var(--white); border: 2px solid var(--night); padding: clamp(24px, 3vw, 36px); display: grid; gap: 18px; align-content: start; text-decoration: none; }
.hub-card h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.hub-card h2::before { content: ""; display: block; width: 14px; height: 14px; background: var(--blue); margin-bottom: 18px; }
.hub-card p { color: var(--steel); }
.hub-card .dx-stats { margin-top: 4px; }
.hub-card:hover { box-shadow: 6px 6px 0 var(--blue); }
.hub-card:hover h2 { color: var(--blue); }
.hub-cta { font-weight: 660; display: inline-flex; gap: 10px; align-items: center; }
.hub-cta::after { content: "→"; }

/* compare tray, panel, toast */
.dx-tray { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--night); color: var(--white); padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom, 0px)); }
.dx-tray .in { max-width: var(--wrap); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.dx-tray .picked { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: var(--fs-note); }
.dx-tray .picked span { padding: 3px 9px; border: 2px solid #3b40a0; }
.dx-tray button { font: inherit; font-size: var(--fs-note); font-weight: 620; padding: 9px 16px; cursor: pointer; border: 2px solid var(--white); }
.dx-tray .go { background: var(--white); color: var(--night); }
.dx-tray .go:disabled { opacity: .5; cursor: default; }
.dx-tray .clr { background: transparent; color: var(--white); border-color: transparent; text-decoration: underline; }
.dx-panel { position: fixed; inset: 0; z-index: 40; background: var(--paper); overflow: auto; padding: calc(24px + env(safe-area-inset-top, 0px)) var(--gutter) calc(48px + env(safe-area-inset-bottom, 0px)); }
.dx-panel .in { max-width: var(--wrap); margin: 0 auto; }
.dx-panel header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: var(--space-3); }
.dx-panel h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
.dx-panel .close { font: inherit; font-weight: 620; background: transparent; border: 2px solid var(--night); padding: 9px 16px; cursor: pointer; }
.dx-cmp-wrap { overflow-x: auto; background: var(--white); border: 2px solid var(--mist); }
.dx-cmp { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 1rem; }
.dx-cmp th, .dx-cmp td { text-align: left; vertical-align: top; padding: 14px 16px; border-top: 2px solid var(--mist); }
.dx-cmp thead th { border-top: 0; border-bottom: 3px solid var(--night); font-stretch: 108%; font-weight: 680; font-size: 1.125rem; }
.dx-cmp tbody th { width: 160px; font-stretch: 88%; font-size: 0.8125rem; font-weight: 660; letter-spacing: .06em; text-transform: uppercase; color: var(--steel); }
.dx-cmp ul { padding-left: 18px; display: grid; gap: 4px; }
.dx-toast { position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 50; background: var(--night); color: var(--white); padding: 10px 16px; font-size: var(--fs-note); }
body.has-tray { padding-bottom: 80px; }

@media (max-width: 1020px) {
  .dx-intro, .dx-method { grid-template-columns: minmax(0, 1fr); }
  .dx > summary { grid-template-columns: minmax(0, 1fr) auto; }
  .dx-best { grid-column: 1 / -1; grid-row: 2; }
  .hub-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .dx > summary { padding: 16px; }
  .dx-body { padding: 16px; }
  .dx-sw { grid-template-columns: minmax(0, 1fr); }
  .dx-bar select { width: 100%; }
  .dx-bar > * { flex: 1 1 100%; }
  .dx-check { flex: 0 0 auto; }
  .kw, .dx-body .kw { grid-template-columns: 44px minmax(0, 1fr); gap: 10px; }
  .kw-side { grid-column: 2; text-align: left; }
  .kw-lib { padding: 0 14px; }
  .dx-bars li { grid-template-columns: 22px minmax(0, 120px) minmax(0, 1fr) 36px; }
  .dx-stat { padding: 14px; }
}

/* keep the hidden attribute authoritative over display rules above */
[data-row-only] { display: none; }
.dx-empty[hidden], .dx[hidden], .kw[hidden], [data-js][hidden], .dx-panel[hidden], .dx-tray[hidden], .dx-toast[hidden], .dx-view[hidden] { display: none; }