.register-page { background: var(--night); }
.register-header, .register-main { width: min(1000px, calc(100% - 40px)); margin: 0 auto; }
.register-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.back-link, .register-footer a { color: var(--ember); font-weight: 700; }
.register-intro { padding: 48px 0 24px; }
.register-intro h1 { margin: 0; font-size: clamp(2.3rem, 6vw, 4rem); line-height: 1.08; }
.register-lead { color: var(--muted); font-size: 1.125rem; margin: 20px 0; }
.register-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: .9375rem; color: var(--muted); }
.register-meta strong { color: var(--ink); }
.build-note { padding: 20px 24px; border-left: 3px solid var(--ember); background: var(--coal); }
.build-note p { margin: 8px 0 0; color: var(--muted); }
.register-tools { padding-top: 28px; }
.register-tools label { display: block; margin-bottom: 8px; font-weight: 700; }
.search-row { display: flex; gap: 10px; }
.search-row input { flex: 1; min-width: 0; width: 100%; color: var(--ink); border: 1px solid var(--line); background: #211715; border-radius: 8px; padding: 14px; font: inherit; }
.search-row input::placeholder { color: #beafa2; }
.search-row button { border: 1px solid var(--line); border-radius: 8px; padding: 12px 18px; font: inherit; color: var(--ink); background: var(--coal); cursor: pointer; }
.search-row button:hover { border-color: var(--ember); }
#search-result { font-size: .875rem; color: var(--muted); margin: 8px 0 0; }
.register-nav { display: flex; flex-wrap: wrap; gap: 8px; padding: 24px 0 34px; }
.register-nav a { padding: 9px 12px; background: var(--coal); border: 1px solid var(--line); border-radius: 6px; font-size: .875rem; }
.register-nav a:hover { border-color: var(--ember); color: var(--ember); }
.register-group { scroll-margin-top: 24px; margin-bottom: 36px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.group-heading { display: flex; gap: 18px; align-items: center; padding: 22px 24px; background: var(--coal); }
.group-number { color: var(--ember); font-size: 1.5rem; font-weight: 800; }
.group-heading h2 { font-size: clamp(1.25rem, 4vw, 1.6rem); line-height: 1.3; margin: 2px 0 0; }
.group-scope { margin: 0; color: var(--muted); font-size: .875rem; }
.group-count { margin-left: auto; color: var(--muted); font-size: .9375rem; }
.register-list { list-style: none; margin: 0; padding: 0; }
.register-item { display: flex; align-items: flex-start; gap: 14px; padding: 20px 24px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.done-check { color: #add58e; padding-top: 1px; font-weight: 800; }
.register-item h3 { margin: 0; font-size: 1.0625rem; line-height: 1.4; }
.register-item p { margin: 7px 0 0; color: var(--muted); }
.availability { display: inline-block; margin-top: 8px; padding: 3px 8px; border: 1px solid #80572b; border-radius: 4px; color: #ffc67b; font-size: .875rem; }
.not-yet { border-top: 1px solid var(--line); padding-top: 24px; color: var(--muted); }
.not-yet h2 { font-size: 1.25rem; color: var(--ink); margin: 0; }
.register-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 30px 0; margin-top: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9375rem; }
.empty-result { padding: 28px 0; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 12px; background: var(--coal); color: var(--ink); z-index: 100; }
.skip-link:focus { top: 10px; }
.register-page :focus-visible { outline: 2px solid var(--ember); outline-offset: 4px; }
[hidden] { display: none !important; }
@media (max-width: 540px) {
  .register-header, .register-main { width: calc(100% - 32px); }
  .register-intro { padding-top: 30px; }
  .group-heading, .register-item, .build-note { padding: 18px 16px; }
  .group-heading { gap: 10px; }
  .group-number { font-size: 1.125rem; }
  .search-row { flex-wrap: wrap; }
  .search-row input { flex-basis: 100%; }
  .register-nav a { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }