/* ============================================================
   REQUEST CART — specimen tray (research-cart.html)
   Dark tray band with the selected vials, light form below.
   Pathways: "order" = Research order, "inquiry" = Institutional.
   ============================================================ */
.cart-page { background: var(--ax-bg); }
.cart-page .t-eyebrow { font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ax-fg-muted); margin: 0; }
.cart-page h1, .cart-page h2, .cart-page h3 { font-family: var(--font-display); color: var(--ax-fg); margin: 0; letter-spacing: -0.02em; }
.cc-band { padding-top: calc(64px + 40px) !important; }
.ct-confirm-preview { display: inline-block; margin-left: 8px; font: 500 10px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; padding: 4px 6px; border-radius: 5px; background: var(--ax-warning-bg); color: var(--ax-warning-ink); border: 1px solid var(--ax-warning-line); vertical-align: middle; }
.ct-error { padding: 12px 14px; border-radius: 10px; background: var(--ax-danger-bg); border: 1px solid var(--ax-danger-line); color: var(--ax-danger); font-size: 12.5px; }
.ct-error a { color: inherit; font-weight: 600; }
.ct-error:empty { display: none; }
.ct-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
/* ---------- shared atoms ---------- */
.ct-mini { font: 500 10.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ax-fg-muted); margin: 0 0 12px; }
.ct-fine { font-size: 11.5px; line-height: 1.5; color: var(--ax-fg-muted); margin: 10px 0 0; }
.ct-link { border: 0; background: none; padding: 0; font: 600 12px var(--font-body); color: var(--ax-fg-muted); cursor: pointer; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; transition: color .15s, text-decoration-color .15s; }
.ct-link:hover { color: var(--ax-fg); text-decoration-color: currentColor; }
.ct-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 20px; border-radius: 11px; border: 0; font: 600 var(--text-sm) var(--font-body); cursor: pointer; text-decoration: none; transition: background .2s, opacity .2s, transform .1s, border-color .2s; }
.ct-btn:active:not(:disabled) { transform: translateY(1px); }
.ct-btn:disabled { opacity: .35; cursor: not-allowed; }
.ct-btn-dark { background: var(--ax-fg); color: #fff; } .ct-btn-dark:hover:not(:disabled) { background: var(--n-700); }
.ct-btn-light { background: #F2F2EE; color: var(--n-950); } .ct-btn-light:hover:not(:disabled) { background: #fff; }
.ct-btn-line { background: transparent; color: var(--ax-fg); border: 1px solid var(--ax-line-strong); } .ct-btn-line:hover { border-color: var(--ax-fg); }
.ct-submit { width: 100%; margin-top: 14px; }
.ct-card { background: var(--ax-bg-raised); border: 1px solid var(--ax-line); border-radius: 16px; overflow: hidden; }
.ct-card-pad { padding: 18px; }
.ct-card-head { display: flex; justify-content: space-between; align-items: end; gap: 12px; padding: 20px 22px 16px; border-bottom: 1px solid var(--ax-line); }
.ct-card-head h2 { font-size: var(--text-lg); margin-top: 6px; }
.ct-count { font-size: 11.5px; color: var(--ax-fg-muted); white-space: nowrap; }
.ct-none { padding: 22px; margin: 0; color: var(--ax-fg-muted); font-size: var(--text-sm); }

/* pathway tabs */
.ct-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ct-tabs button { display: grid; grid-template-columns: 30px minmax(0,1fr) auto; gap: 10px; align-items: center; text-align: left; padding: 10px 12px; border-radius: 12px; cursor: pointer; font: inherit; transition: border-color .2s, background .2s; }
.ct-tab-ico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; }
.ct-tabs b { display: block; font: 600 13px/1.25 var(--font-display); }
.ct-tabs small { display: block; font-size: 11px; line-height: 1.35; }
.ct-tabs em { font-style: normal; font-size: 11px; min-width: 24px; height: 22px; padding: 0 6px; border-radius: 6px; display: grid; place-items: center; }
.ct-tabs-light button { border: 1px solid var(--ax-line-strong); background: var(--ax-bg-raised); color: var(--ax-fg); }
.ct-tabs-light small { color: var(--ax-fg-muted); }
.ct-tabs-light .ct-tab-ico { background: var(--ax-bg-sunken); }
.ct-tabs-light em { background: var(--ax-bg-sunken); color: var(--ax-fg-muted); }
.ct-tabs-light button[aria-selected="true"] { border-color: var(--ax-fg); box-shadow: 0 0 0 1px var(--ax-fg); }
.ct-tabs-light button[aria-selected="true"] .ct-tab-ico { background: var(--ax-fg); color: #fff; }
.ct-tabs-light button[aria-selected="true"] em { background: var(--ax-fg); color: #fff; }
.ct-tabs-dark button { border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.02); color: #fff; }
.ct-tabs-dark small { color: rgba(255,255,255,.5); }
.ct-tabs-dark .ct-tab-ico { background: rgba(255,255,255,.06); color: rgba(255,255,255,.8); }
.ct-tabs-dark em { background: rgba(255,255,255,.08); color: rgba(255,255,255,.7); }
.ct-tabs-dark button[aria-selected="true"] { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.06); }
.ct-tabs-dark button[aria-selected="true"] .ct-tab-ico, .ct-tabs-dark button[aria-selected="true"] em { background: #F2F2EE; color: var(--n-950); }

/* item rows */
.ct-rows { list-style: none; margin: 0; padding: 0; }
.ct-row { display: grid; grid-template-columns: 52px minmax(0,1fr) auto; gap: 16px; align-items: center; padding: 14px 22px; border-bottom: 1px solid var(--ax-line); }
.ct-row:last-child { border-bottom: 0; }
.ct-thumb { width: 52px; height: 68px; position: relative; border-radius: 10px; background: radial-gradient(70% 60% at 50% 60%, color-mix(in srgb, var(--cat) 14%, transparent), transparent 70%), var(--ax-bg-sunken); }
.ct-thumb .hv { position: absolute; inset: 4px; }
.ct-row-id { display: grid; gap: 3px; min-width: 0; }
.ct-row-name { font: 600 var(--text-base) var(--font-display); color: var(--ax-fg); text-decoration: none; }
.ct-row-name:hover { text-decoration: underline; }
.ct-row-sub { font-size: 12px; color: var(--ax-fg-muted); display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.ct-row-sub .t-data { font-size: 11.5px; color: var(--ax-fg-body); }
.ct-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cat); margin-right: 2px; }
.ct-row-meta { font-size: 12px; color: var(--ax-fg-body); }
.ct-row-acts { display: flex; gap: 14px; margin-top: 4px; }
.ct-qty { display: inline-grid; grid-template-columns: 32px 44px 32px; height: 36px; border: 1px solid var(--ax-line-strong); border-radius: 9px; overflow: hidden; }
.ct-qty button { border: 0; background: var(--ax-bg-sunken); font-size: 15px; color: var(--ax-fg); cursor: pointer; }
.ct-qty button:hover { background: var(--ax-bg-muted); }
.ct-qty output { display: grid; place-items: center; font-size: 13px; color: var(--ax-fg); }
.ct-qty.is-dark { border-color: rgba(255,255,255,.16); height: 32px; grid-template-columns: 28px 36px 28px; }
.ct-qty.is-dark button { background: rgba(255,255,255,.05); color: #fff; } .ct-qty.is-dark button:hover { background: rgba(255,255,255,.1); }
.ct-qty.is-dark output { color: #fff; font-size: 12px; }

.ct-banner { margin: 16px 22px 0; padding: 12px 14px; border-radius: 10px; background: var(--ax-warning-bg); border: 1px solid var(--ax-warning-line); color: var(--ax-warning-ink); font-size: 12.5px; line-height: 1.5; }
.ct-banner b { font-weight: 600; }
.ct-banner-btn { display: inline-block; margin-top: 8px; border: 1px solid currentColor; background: none; color: inherit; font: 600 12px var(--font-body); padding: 6px 10px; border-radius: 7px; cursor: pointer; }
.ct-banner.is-dark { margin: 0 0 20px; background: rgba(212,168,75,.1); border-color: rgba(212,168,75,.35); color: #F1DFAF; }

/* form */
.ct-form { display: grid; gap: 14px; padding: 20px 22px 22px; }
.ct-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ct-f { display: grid; gap: 6px; }
.ct-f > span { font: 500 10.5px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ax-fg-muted); }
.ct-f em { font-style: normal; text-transform: none; letter-spacing: 0; font-family: var(--font-body); color: var(--ax-fg-faint); margin-left: 4px; }
.ct-f input, .ct-f select, .ct-f textarea { width: 100%; font: 500 var(--text-sm)/1.4 var(--font-body); color: var(--ax-fg); background: var(--ax-bg-raised); border: 1px solid var(--ax-line-strong); border-radius: 9px; padding: 10px 12px; transition: border-color .15s, box-shadow .15s; }
.ct-f textarea { resize: vertical; }
.ct-f select { appearance: none; padding-right: 32px; background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%); background-position: calc(100% - 17px) 52%, calc(100% - 12px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
.ct-f input::placeholder, .ct-f textarea::placeholder { color: var(--ax-fg-faint); }
.ct-f :is(input, select, textarea):focus { outline: none; border-color: var(--ax-fg); box-shadow: 0 0 0 3px rgba(13,15,14,.08); }
.ct-f :is(input, select, textarea):user-invalid { border-color: var(--ax-danger); }
.ct-attest { display: grid; grid-template-columns: 18px minmax(0,1fr); gap: 10px; align-items: start; font-size: 12px; line-height: 1.55; color: var(--ax-fg-body); padding: 12px; border-radius: 10px; background: var(--ax-bg-sunken); cursor: pointer; }
.ct-attest input { width: 16px; height: 16px; margin: 1px 0 0; accent-color: var(--ax-fg); }
.ct-attest a { color: var(--ax-fg); font-weight: 600; }
.ct-attest.is-dark { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07); color: rgba(255,255,255,.75); margin-top: 14px; }
.ct-attest.is-dark input { accent-color: #F2F2EE; } .ct-attest.is-dark a { color: #fff; }

/* ticket */
.ct-ticket { padding: 12px 14px; border-radius: 12px; border: 1px dashed var(--ax-line-strong); font: 400 11.5px/1.9 var(--font-mono); color: var(--ax-fg-body); }
.ct-ticket div { display: flex; justify-content: space-between; gap: 10px; }
.ct-ticket div span:first-child { color: var(--ax-fg-muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ct-ticket div span:last-child { color: var(--ax-fg); white-space: nowrap; }
.ct-ticket i { font-style: normal; opacity: .7; }
.ct-ticket .ct-ticket-rule { border-top: 1px dashed var(--ax-line-strong); margin: 6px 0; }
.ct-ticket.is-dark { border-color: rgba(255,255,255,.18); }
.ct-ticket.is-dark div span:first-child { color: rgba(255,255,255,.55); }
.ct-ticket.is-dark div span:last-child { color: #fff; }
.ct-ticket.is-dark .ct-ticket-rule { border-color: rgba(255,255,255,.14); }

/* next steps */
.ct-next { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ct-next li { display: grid; grid-template-columns: 26px minmax(0,1fr); gap: 10px; position: relative; }
.ct-next li:not(:last-child)::after { content: ""; position: absolute; left: 8px; top: 20px; bottom: -10px; width: 1px; background: var(--ax-line-strong); }
.ct-next li > span { font-size: 10.5px; color: var(--ax-fg-muted); padding-top: 2px; }
.ct-next b { font: 600 13px var(--font-display); color: var(--ax-fg); }
.ct-next p { margin: 2px 0 0; font-size: 12px; line-height: 1.5; color: var(--ax-fg-muted); }
.ct-next.is-dark li > span { color: rgba(255,255,255,.4); }
.ct-next.is-dark li:not(:last-child)::after { background: rgba(255,255,255,.14); }
.ct-next.is-dark b { color: #fff; } .ct-next.is-dark p { color: rgba(255,255,255,.5); }

.ct-contact { display: grid; gap: 0; padding: 4px 16px; border-radius: 14px; border: 1px solid var(--ax-line); background: var(--ax-bg-raised); }
.ct-contact div { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; font-size: 12px; color: var(--ax-fg-muted); }
.ct-contact div + div { border-top: 1px solid var(--ax-line); }
.ct-contact a { color: var(--ax-fg); font-weight: 600; text-decoration: none; }
.ct-contact a:hover { text-decoration: underline; }

/* empty */
.ct-empty { max-width: 460px; margin: 0 auto; padding: 72px 0; text-align: center; }
.ct-empty h3 { font-size: var(--text-xl); margin-top: 24px; }
.ct-empty p { color: var(--ax-fg-muted); font-size: var(--text-sm); margin: 8px 0 22px; }
.ct-empty-plate { position: relative; width: 120px; height: 150px; margin: 0 auto; border: 1px dashed var(--ax-line-strong); display: grid; place-items: center; }
.ct-empty-plate span { font-size: 10px; letter-spacing: .14em; color: var(--ax-fg-faint); }
.ct-empty-plate i { position: absolute; width: 10px; height: 10px; border: 0 solid var(--ax-fg-faint); }
.ct-empty-plate i:nth-child(1) { top: -5px; left: -5px; border-top-width: 1px; border-left-width: 1px; }
.ct-empty-plate i:nth-child(2) { top: -5px; right: -5px; border-top-width: 1px; border-right-width: 1px; }
.ct-empty-plate i:nth-child(3) { bottom: -5px; left: -5px; border-bottom-width: 1px; border-left-width: 1px; }
.ct-empty-plate i:nth-child(4) { bottom: -5px; right: -5px; border-bottom-width: 1px; border-right-width: 1px; }
.ct-empty.is-dark h3 { color: #fff; } .ct-empty.is-dark p { color: rgba(255,255,255,.55); }
.ct-empty.is-dark .ct-empty-plate { border-color: rgba(255,255,255,.18); } .ct-empty.is-dark .ct-empty-plate i { border-color: rgba(255,255,255,.35); }
.ct-empty.is-dark .ct-empty-plate span { color: rgba(255,255,255,.35); }
.ct-empty.is-dark .ct-btn-dark { background: #F2F2EE; color: var(--n-950); }

/* confirmation */
.ct-confirm { max-width: 620px; margin: 0 auto; padding: 56px 0 64px; }
.ct-confirm-ico { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--ax-success-bg); color: var(--ax-success); margin-bottom: 20px; }
.ct-confirm-ico svg { width: 20px; height: 20px; }
.ct-confirm h2 { font-size: var(--text-2xl); margin: 10px 0 10px; }
.ct-confirm h2 .t-data { font-weight: 500; letter-spacing: 0; }
.ct-confirm > p { color: var(--ax-fg-body); font-size: var(--text-sm); margin: 0 0 22px; }
.ct-confirm-list { border-block: 1px solid var(--ax-line); padding: 8px 0; margin-bottom: 24px; }
.ct-confirm-list div { display: flex; justify-content: space-between; padding: 6px 0; font-size: var(--text-sm); }
.ct-confirm-acts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* ---------- C · Specimen tray ---------- */
.cc-band { background: var(--ax-night); color: #fff; padding: 44px 0 52px; background-image: radial-gradient(60% 80% at 80% 0%, rgba(52,71,156,.18), transparent 70%); }
.cc-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(0, 560px); gap: 24px; align-items: end; margin-bottom: 28px; }
.cc-head .t-eyebrow { color: rgba(255,255,255,.45); }
.cc-head h1 { color: #fff; font-size: var(--text-3xl); margin-top: 8px; }
.cc-sub { margin: 6px 0 0; color: rgba(255,255,255,.55); font-size: var(--text-sm); }
.cc-tray { list-style: none; margin: 0; padding: 6px; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.cc-plate { --tick: rgba(255,255,255,.3); position: relative; border: 1px solid rgba(255,255,255,.08); background: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 100% 22px, radial-gradient(60% 50% at 50% 50%, color-mix(in srgb, var(--cat) 22%, transparent), transparent 75%); display: grid; }
.cc-plate > i { position: absolute; width: 12px; height: 12px; border: 0 solid var(--tick); transition: transform .35s var(--ease-out), border-color .35s; }
.cc-plate .c1 { top: -6px; left: -6px; border-top-width: 1px; border-left-width: 1px; }
.cc-plate .c2 { top: -6px; right: -6px; border-top-width: 1px; border-right-width: 1px; }
.cc-plate .c3 { bottom: -6px; left: -6px; border-bottom-width: 1px; border-left-width: 1px; }
.cc-plate .c4 { bottom: -6px; right: -6px; border-bottom-width: 1px; border-right-width: 1px; }
.cc-plate:hover { --tick: color-mix(in srgb, var(--cat) 62%, #fff); }
.cc-plate:hover .c1 { transform: translate(-3px,-3px); } .cc-plate:hover .c2 { transform: translate(3px,-3px); }
.cc-plate:hover .c3 { transform: translate(-3px,3px); } .cc-plate:hover .c4 { transform: translate(3px,3px); }
.cc-x { position: absolute; top: 10px; right: 10px; z-index: 2; width: 28px; height: 28px; border-radius: 8px; border: 1px solid rgba(255,255,255,.12); background: rgba(11,20,32,.6); color: rgba(255,255,255,.7); display: grid; place-items: center; cursor: pointer; opacity: .6; transition: opacity .2s, color .2s, border-color .2s; }
.cc-plate:hover .cc-x, .cc-x:focus-visible { opacity: 1; } .cc-x:hover { color: #fff; border-color: rgba(255,255,255,.4); }
.cc-stage { position: relative; height: 210px; }
.cc-stage .hv { position: absolute; left: 50%; top: 50%; width: 118%; height: 118%; transform: translate(-50%,-50%) scale(.84); transition: transform .5s cubic-bezier(.2,1.25,.35,1); }
.cc-plate:hover .cc-stage .hv { transform: translate(-50%,-50%) scale(.94); }
.cc-cap { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; padding: 12px 14px 6px; border-top: 1px solid rgba(255,255,255,.08); }
.cc-cap b { font: 600 var(--text-sm) var(--font-display); }
.cc-cap span { font-size: 11.5px; color: rgba(255,255,255,.6); }
.cc-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 14px 12px; }
.cc-foot > .t-data { font-size: 10.5px; color: rgba(255,255,255,.4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cc-move { border: 0; border-top: 1px solid rgba(255,255,255,.08); background: none; color: rgba(255,255,255,.55); font: 600 11.5px var(--font-body); padding: 10px 14px; text-align: left; cursor: pointer; }
.cc-move:hover { color: #fff; background: rgba(255,255,255,.03); }
.cc-add { border-style: dashed; border-color: rgba(255,255,255,.14); background: none; }
.cc-add a { display: grid; place-items: center; align-content: center; gap: 8px; min-height: 260px; color: rgba(255,255,255,.5); text-decoration: none; font-size: 12.5px; font-weight: 600; }
.cc-add a span { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center; font-size: 20px; font-weight: 400; }
.cc-add a:hover { color: #fff; }
.cc-below { padding: 44px 0 72px; }
.cc-grid { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 40px; align-items: start; }
.cc-h2 { font-size: var(--text-xl); margin: 8px 0 4px; }
.cc-grid .ct-form { padding: 16px 0 0; }
.cc-grid .ct-submit { width: auto; justify-self: start; padding: 0 28px; }
.cc-side { position: sticky; top: 88px; display: grid; gap: 14px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .cc-head { grid-template-columns: 1fr; }
  .cc-grid { grid-template-columns: 1fr; }
  .cc-side { position: static; }
}
@media (max-width: 640px) {
  .ct-tabs { grid-template-columns: 1fr; }
  .ct-grid2 { grid-template-columns: 1fr; }
  .cc-tray { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; padding: 4px; }
  .cc-stage { height: 160px; }
  .cc-foot { flex-direction: column; align-items: start; }
  .cc-add a { min-height: 200px; }
  .cc-head h1 { font-size: var(--text-2xl); }
}
@media (prefers-reduced-motion: reduce) { .cc-stage .hv, .cc-plate > i { transition: none; } }
a.cc-stage { display: block; }
.cc-org { padding: 0 14px 4px; font-size: 11.5px; line-height: 1.4; color: rgba(255,255,255,.6); }
.cc-none { margin: 0; padding: 36px 0 12px; color: rgba(255,255,255,.6); font-size: var(--text-sm); }
.cc-none a { color: #fff; font-weight: 600; }
.cc-below .ct-form { gap: 14px; }
.cc-x:focus-visible, .cc-move:focus-visible, .ct-tabs button:focus-visible, .ct-qty button:focus-visible { outline: 2px solid #F2F2EE; outline-offset: 2px; }
.cc-below { padding-top: 44px; padding-bottom: 72px; padding-left: var(--sp-xl); padding-right: var(--sp-xl); }
@media (max-width: 640px) { .cc-grid .ct-submit { width: 100%; } .cc-below { padding-top: 32px; } }
@media (max-width: 768px) { .cc-below { padding-left: var(--sp-lg); padding-right: var(--sp-lg); } }
@media (max-width: 480px) { .cc-below { padding-left: var(--sp-md); padding-right: var(--sp-md); } }