/* Release board + field notebook. Shared wayfinding; different browsing jobs. */
.gp-hub { --hub-paper: var(--gps-white); --hub-muted: var(--gps-white); --hub-accent: var(--gps-yellow); --hub-line: var(--gps-green); --hub-surface: var(--gps-black); color: var(--hub-paper); padding-bottom: 48px; }
.gp-hub--testers { --hub-accent: var(--gps-lime); --hub-line: var(--gps-green); --hub-surface: var(--gps-black); }
.gp-hub [hidden] { display: none !important; }
.gp-hub a, .gp-hub button { -webkit-tap-highlight-color: transparent; }
.gp-hub :is(a,button,input,select,textarea,summary):focus-visible { outline: 2px solid var(--hub-accent); outline-offset: 4px; }
.gp-hub h1, .gp-hub h2, .gp-hub h3, .gp-hub p { margin-top: 0; }
.gp-hub p { line-height: 1.55; }
.gp-hub h2 { font: 400 clamp(28px, 3.4vw, 40px)/1.05 var(--display); letter-spacing: .015em; color: var(--hub-paper); }
.gp-hub .hub-eyebrow { margin: 0 0 9px; font: 700 10px/1.4 var(--sans); letter-spacing: .13em; text-transform: uppercase; color: var(--hub-accent); }
.hub-switch { display: flex; gap: 24px; padding-top: 14px; border-bottom: 1px solid var(--hub-line); }
.hub-switch a { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 8px; min-height: 48px; padding: 12px 0; color: var(--hub-muted); font: 700 13px/1.4 var(--sans); border-bottom: 2px solid transparent; }
.hub-switch a span { font-size: 11px; font-weight: 400; }
.hub-switch a[aria-current] { color: var(--hub-paper); border-color: var(--hub-accent); }
.hub-heading { padding: 34px 0 28px; }
.hub-heading h1 { margin: 0 0 12px; font: 400 clamp(48px, 7.7vw, 100px)/.95 var(--display); letter-spacing: -.01em; text-transform: uppercase; max-width: 15ch; }
.hub-heading > p, .hub-heading > div > p:not(.hub-eyebrow) { margin-bottom: 0; color: var(--hub-muted); max-width: 52ch; font-size: 15px; }
.hub-heading-actions, .hub-next-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; }
.hub-heading-actions { margin-top: 20px; }
.hub-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 48px; padding: 12px 17px; background: var(--hub-accent); color: var(--gps-black); border: 1px solid var(--hub-accent); border-radius: 3px; font: 700 13px/1.4 var(--sans); cursor: pointer; text-decoration: none; }
.hub-button:hover { background: var(--hub-paper); border-color: var(--hub-paper); color: var(--gps-black); }
.hub-button--small { min-height: 42px; padding: 10px 13px; gap: 14px; font-size: 12px; }
.hub-button--quiet { background: transparent; color: var(--hub-paper); border-color: var(--hub-line); }
.hub-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font: 600 13px/1.4 var(--sans); color: var(--hub-paper); text-underline-offset: 5px; }
.hub-link:hover { color: var(--hub-accent); text-decoration: underline; }
.hub-next { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 18px; align-items: center; padding: 22px 18px; border: 1px solid var(--hub-line); border-left: 4px solid var(--hub-accent); background: var(--hub-surface); }
.hub-date-stamp { text-align: center; border-top: 1px solid var(--hub-accent); border-bottom: 1px solid var(--hub-accent); padding: 8px 0; }
.hub-date-stamp span { display: block; font: 700 10px/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--hub-accent); }
.hub-date-stamp strong { display: block; font: 400 32px/1.15 var(--display); }
.hub-next-copy h2 { margin-bottom: 6px; }
.hub-next-copy p:not(.hub-eyebrow) { margin: 0; color: var(--hub-muted); font-size: 13px; }
.hub-next-actions { grid-column: 1/-1; }
.hub-section { margin-top: 36px; scroll-margin-top: 100px; }
.hub-section-head { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 10px 24px; margin-bottom: 18px; }
.hub-section-head h2 { margin: 0; }
.hub-section-head > .hub-link { flex-shrink: 0; }
.hub-tools { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 15px; }
.hub-views { display: flex; flex-wrap: wrap; gap: 4px; }
.hub-views button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 14px; border: 1px solid var(--hub-line); background: transparent; color: var(--hub-muted); font: 600 12px/1.3 var(--sans); cursor: pointer; border-radius: 3px; }
.hub-views button.is-active { background: var(--hub-paper); color: var(--gps-black); border-color: var(--hub-paper); }
.hub-views button span { font-size: 10px; }
.hub-device-note { margin: 0; font-size: 11px; color: var(--hub-muted); }
.hub-live-status { margin: 0 0 12px; color: var(--hub-accent); font-size: 12px; }
.hub-live-status:empty { display: none; }
.hub-release-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px 12px; list-style: none; margin: 0; padding: 0; }
.hub-release { display: flex; flex-direction: column; min-width: 0; }
.hub-release > .card { flex: 1; height: auto; }
.hub-added { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin: 0 0 8px; color: var(--hub-muted); font-size: 10px; }
.hub-release-save { padding-top: 4px; }
.hub-save { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 9px 12px; border: 1px solid var(--hub-line); border-radius: 3px; background: transparent; color: var(--hub-paper); font: 600 12px/1.4 var(--sans); cursor: pointer; }
.hub-release-save .hub-save { border-color: transparent; width: 100%; }
.hub-save > span:first-child { font-size: 18px; font-weight: 400; line-height: 1; }
.hub-save[aria-pressed=true] { border-color: var(--hub-accent); color: var(--hub-accent); background: transparent; }
.hub-save:hover { color: var(--hub-accent); border-color: var(--hub-accent); }
.hub-change { padding: 3px 6px; background: var(--hub-accent); color: var(--gps-black); font: 700 10px/1.2 var(--sans); letter-spacing: 0; text-transform: none; }
.hub-empty { padding: 32px 20px; border: 1px dashed var(--hub-line); }
.hub-empty h3 { font-size: 18px; margin-bottom: 8px; }
.hub-empty p { color: var(--hub-muted); font-size: 13px; margin: 0; }
.hub-reminders { display: grid; gap: 18px; margin: 40px 0 24px; padding: 26px 22px; background: var(--hub-paper); color: var(--gps-black); scroll-margin-top: 100px; }
.hub-reminders .hub-eyebrow { color: var(--gps-black); }
.hub-reminders h2 { color: var(--gps-black); margin-bottom: 6px; }
.hub-reminders p:not(.hub-eyebrow) { margin: 0; color: var(--gps-black); font-size: 13px; }
.hub-reminder-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.hub-reminders .hub-button { background: var(--gps-black); color: var(--gps-white); border-color: var(--gps-black); }
.hub-reminders .hub-button:hover { background: var(--gps-green); }
.hub-reminders .hub-link { color: var(--gps-black); }
.hub-history, .hub-info details { border-top: 1px solid var(--hub-line); border-bottom: 1px solid var(--hub-line); }
.gp-hub summary { display: flex; justify-content: space-between; gap: 14px; align-items: center; min-height: 48px; cursor: pointer; list-style: none; font: 600 14px/1.4 var(--sans); }
.gp-hub summary::-webkit-details-marker { display: none; }
.gp-hub summary > span { color: var(--hub-accent); font-size: 19px; }
.gp-hub details[open] > summary > span { rotate: 45deg; }
.hub-event-list > a { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 8px 16px; align-items: baseline; border-bottom: 1px solid var(--hub-line); padding: 16px 0; color: var(--hub-paper); font-size: 13px; }
.hub-event-list time { color: var(--hub-muted); font-size: 12px; }
.hub-event-list > a > span { grid-column: 2; color: var(--hub-accent); font-size: 11px; }
.hub-event-list i { font-style: normal; }
.hub-event-list > a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.hub-small { font-size: 12px; color: var(--hub-muted); }
.hub-history > .hub-small { margin: 14px 0; }
.hub-bridge { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 28px; padding: 24px 0; border-top: 1px solid var(--hub-line); color: var(--hub-paper); }
.hub-bridge small { display: block; color: var(--hub-accent); font-size: 11px; margin-bottom: 5px; }
.hub-bridge strong { font: 400 28px/1.1 var(--display); }
.hub-bridge > span:last-child { font-size: 12px; font-weight: 600; }
.hub-bridge b { margin-left: 18px; color: var(--hub-accent); }
.hub-bridge:hover { color: var(--hub-accent); }
/* Notebook: a compact index, expandable observations, and a useful contribution path. */
.hub-series { position: relative; padding: 20px; border-left: 3px solid var(--hub-accent); background: var(--hub-surface); }
.hub-series h2 { font-size: 30px; margin-bottom: 6px; }
.hub-series > p:not(.hub-eyebrow) { margin-bottom: 8px; font-size: 13px; color: var(--hub-muted); }
.hub-series-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--hub-muted); font-size: 11px; }
.hub-series > .hub-link { margin-top: 4px; }
.hub-proof { display: grid; grid-template-columns: minmax(0,1fr) 90px; align-items: center; gap: 20px; margin-top: 40px; padding: 24px; background: var(--gps-lime); color: var(--gps-black); }
.hub-proof .hub-eyebrow { color: var(--gps-black); }
.hub-proof h2 { color: var(--gps-black); margin-bottom: 10px; }
.hub-proof p:not(.hub-eyebrow) { color: var(--gps-black); font-size: 13px; max-width: 54ch; margin-bottom: 6px; }
.hub-proof .hub-link { color: var(--gps-black); }
.hub-proof-photo { display: block; width: 90px; height: 120px; object-fit: cover; border-radius: 2px; }
.hub-note-grid { display: grid; gap: 12px; }
.hub-note { padding: 22px; border: 1px solid var(--hub-line); background: var(--hub-surface); }
.hub-note h3 { font-size: 17px; line-height: 1.3; margin-bottom: 10px; }
.hub-note h3 a { color: var(--hub-paper); }
.hub-note > p:last-child { margin: 0; white-space: pre-line; font-size: 13px; color: var(--hub-muted); }
.hub-filters { display: grid; gap: 10px; grid-template-columns: repeat(2,minmax(0,1fr)); margin-bottom: 14px; }
.hub-filters > label:first-child { grid-column: 1/-1; }
.hub-filters label { min-width: 0; }
.hub-filters :is(input,select), .hub-report :is(select,textarea) { width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid var(--hub-line); border-radius: 3px; background: var(--hub-surface); color: var(--hub-paper); font: 400 16px/1.4 var(--sans); }
.hub-filters input::placeholder, .hub-report textarea::placeholder { color: var(--hub-muted); opacity: 1; }
.hub-filters .hub-button { justify-content: center; grid-column: 1/-1; }
.hub-results { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: -6px; }
.hub-results > p { margin: 0; font-size: 11px; color: var(--hub-muted); }
.hub-results > a { font-size: 11px; }
.hub-crosses { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hub-line); }
.hub-cross { padding: 19px 0 0; border-bottom: 1px solid var(--hub-line); scroll-margin-top: 110px; }
.hub-cross-main { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 14px; }
.hub-cross-identity { grid-column: 1/-1; min-width: 0; }
.hub-cross-identity h3 { margin: 0; color: var(--hub-paper); font: 700 17px/1.35 var(--sans); letter-spacing: -.015em; overflow-wrap: anywhere; }
.hub-cross-series { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; margin: 0 0 6px; color: var(--hub-muted); font: 400 10px/1.4 var(--sans); }
.hub-cross-actions { display: flex; justify-content: end; align-items: center; flex-wrap: wrap; gap: 8px; }
.hub-cross-actions .hub-link { font-size: 11px; }
.hub-cross-actions .hub-save { min-height: 42px; padding: 8px 10px; font-size: 11px; }
.hub-cross-detail > summary { width: fit-content; min-height: 42px; gap: 12px; margin-top: 7px; color: var(--hub-muted); font-size: 11px; font-weight: 400; }
.hub-cross-detail > summary:hover { color: var(--hub-paper); }
.hub-cross-detail > summary > span { font-size: 15px; }
.hub-cross-inside { display: grid; gap: 16px; padding: 18px; margin-bottom: 18px; background: var(--hub-surface); }
.hub-cross-inside p { font-size: 13px; }
.hub-cross-inside > div > p:not(.hub-eyebrow) { color: var(--hub-muted); white-space: pre-line; }
.hub-parents { display: grid; align-content: start; gap: 8px; margin: 0; font: 500 12px/1.45 var(--sans); }
.hub-parents > div { display: grid; grid-template-columns: 52px minmax(0,1fr); gap: 8px; }
.hub-parents dt { font-weight: 400; color: var(--hub-muted); }
.hub-parents dd { margin: 0; overflow-wrap: anywhere; }
.hub-parents dd > span { color: var(--hub-muted); font-size: 11px; }
.hub-inline-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 22px; }
.hub-inline-actions .hub-link { font-size: 12px; }
.hub-more { margin-top: 20px; width: 100%; justify-content: center; }
.hub-contribute { display: grid; gap: 20px; margin-top: 36px; padding: 28px 0; border-top: 1px solid var(--hub-line); scroll-margin-top: 100px; }
.hub-contribute h2 { margin-bottom: 10px; }
.hub-contribute > div > p:not(.hub-eyebrow) { margin-bottom: 6px; color: var(--hub-muted); font-size: 13px; max-width: 48ch; }
.hub-report { align-self: start; padding: 0 18px; border: 1px solid var(--hub-line); background: var(--hub-surface); }
.hub-report summary { min-height: 60px; }
.hub-report-form { padding: 4px 0 18px; display: grid; gap: 10px; }
.hub-report label { font: 600 12px/1.4 var(--sans); }
.hub-report textarea { min-height: 126px; resize: vertical; }
.hub-report p { margin: 0; }
.hub-info { margin-top: 32px; scroll-margin-top: 100px; }
.hub-info details + details { border-top: 0; }
.hub-info summary { padding: 14px 0; }
.hub-info details > p { font-size: 13px; max-width: 75ch; color: var(--hub-muted); margin: 0 0 20px; }
.hub-info details > p a { color: var(--hub-paper); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 359px) {
 .hub-release-grid { grid-template-columns: minmax(0,1fr); }
 .hub-switch { gap: 16px; }
 .hub-switch a span { display: none; }
 .hub-cross-main { grid-template-columns: minmax(0,1fr); }
 .hub-cross-actions { justify-content: start; }
 .hub-proof { grid-template-columns: 1fr; }
 .hub-proof-photo { display: none; }
}
@media (min-width: 640px) {
 .hub-next { grid-template-columns: 74px minmax(0,1fr) auto; gap: 24px; padding: 26px; }
 .hub-next-actions { grid-column: auto; display: grid; justify-items: start; }
 .hub-release-grid { gap: 24px 18px; }
 .hub-filters { grid-template-columns: minmax(0,1.3fr) repeat(2,minmax(0,1fr)); }
 .hub-filters > label:first-child { grid-column: auto; }
 .hub-series { display: grid; grid-template-columns: minmax(0,1fr) auto; column-gap: 24px; }
 .hub-series > .hub-eyebrow, .hub-series > h2, .hub-series > p, .hub-series-meta { grid-column: 1; }
 .hub-series > .hub-link { grid-column: 2; grid-row: 1/5; margin: 0; }
 .hub-cross-main { grid-template-columns: minmax(0,1fr) 110px auto; gap: 20px; }
 .hub-cross-identity { grid-column: auto; }
 .hub-cross-identity h3 { font-size: 16px; }
 .hub-cross-inside { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 28px; }
 .hub-proof { grid-template-columns: minmax(0,1fr) 156px; padding: 30px; }
 .hub-proof-photo { width: 156px; height: 156px; }
 .hub-note-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .hub-event-list > a { grid-template-columns: 98px minmax(0,1fr) auto; }
 .hub-event-list > a > span { grid-column: auto; }
}
@media (min-width: 1000px) {
 .hub-heading--split { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 32px; align-items: end; padding: 40px 0 32px; }
 .hub-heading-actions { margin: 0 0 2px; display: grid; justify-items: start; }
 .hub-release-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
 .hub-section { margin-top: 44px; }
 .hub-reminders { grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 36px; padding: 30px; }
 .hub-contribute { grid-template-columns: minmax(0,1fr) minmax(0,1.1fr); gap: 60px; padding: 32px 0; }
 .hub-cross-main { grid-template-columns: minmax(0,1fr) 150px 270px; }
 .hub-cross-actions { flex-wrap: nowrap; }
 .hub-cross-identity h3 { font-size: 18px; }
 .hub-note-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

/* Releases lead with yellow; the testing notebook leads with lime. */
.gp-hub .hub-heading h1 { color:var(--hub-accent); }
.hub-reminders { background:var(--gps-yellow); }
.hub-next { --hub-surface:var(--gps-green); --hub-line:var(--gps-leaf); }
.hub-next .hub-eyebrow,.hub-next .hub-date-stamp span { color:var(--gps-white); }
.hub-next .hub-link:hover { color:var(--gps-white); }
.hub-next :focus-visible { outline-color:var(--gps-white); }
.gp-hub--testers .hub-series {
  --hub-surface:var(--gps-lime); --hub-paper:var(--gps-black); --hub-muted:var(--gps-black); --hub-accent:var(--gps-black);
  color:var(--gps-black);
}
.hub-views button.is-active { background:var(--hub-accent); border-color:var(--hub-accent); }
.hub-button:hover { background:var(--gps-lime); border-color:var(--gps-lime); }
.hub-reminders .hub-button:hover { background:var(--gps-black); color:var(--gps-yellow); }
.hub-reminders :focus-visible,.hub-proof :focus-visible { outline-color:var(--gps-black); }

/* Stock-only tester rows: progress and dates, then two equal, visible actions. */
.gp-hub--testers .hub-filters { grid-template-columns: minmax(0,1fr); }
.gp-hub--testers .hub-cross-main { grid-template-columns: minmax(0,1fr); align-items: center; gap: 16px; }
.gp-hub--testers .hub-cross-identity { grid-column: auto; }
.hub-cross-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 12px; }
.hub-testing-tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border: 1px solid var(--gps-lime); border-radius: 2px; color: var(--gps-lime); font: 600 11px/1.3 var(--sans); }
.hub-testing-tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.hub-testing-tag--completed { background: var(--gps-yellow); border-color: var(--gps-yellow); color: var(--gps-black); }
.hub-testing-tag--completed::before { content: '✓'; width: auto; height: auto; background: none; font-size: 12px; }
.hub-drop-date { color: var(--gps-white); font: 400 12px/1.4 var(--sans); }
.hub-drop-date time { font-variant-numeric: tabular-nums; white-space: nowrap; }
.gp-hub--testers .hub-cross-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; width: 100%; }
.gp-hub--testers .hub-cross-actions .hub-button { min-height: 46px; padding: 11px 12px; gap: 8px; font: 700 12px/1.35 var(--sans); letter-spacing: 0; white-space: normal; }
.gp-hub--testers .hub-cross-actions .hub-button > span { flex-shrink: 0; }
.gp-hub--testers .hub-button--journal { color: var(--gps-white); background: var(--gps-black); border-color: var(--gps-green); }
.gp-hub--testers .hub-button--journal:hover { color: var(--gps-lime); border-color: var(--gps-lime); }
@media (min-width: 640px) {
 .gp-hub--testers .hub-filters { grid-template-columns: minmax(0,1.6fr) minmax(0,1fr); }
}
@media (min-width: 800px) {
 .gp-hub--testers .hub-cross-main { grid-template-columns: minmax(0,1fr) 310px; gap: 28px; }
}