/* =================================================================
   Public sign-up sheet (/signup/{token}) — standalone page on EmptyLayout.

   Ported from the Claude Design "Sign-Up Sheet" handoff bundle. The bundle ships
   its own --card / --rule / --ink token names; rather than introduce a second
   system they are ALIASED onto design-tokens.css below (on .sus-root), so the page
   stays theme-aware via <body data-theme> and accent-aware via --accent with no
   client-side JS. All selectors namespaced .sus-.
   ================================================================= */

.sus-root {
  /* ── alias the handoff bundle's token names onto the app design tokens ── */
  --card: var(--surface);
  --ink: var(--fg);
  --muted: var(--fg-muted);
  --dim: var(--fg-dim);
  --faint: color-mix(in oklab, var(--fg) 22%, transparent);
  --rule: var(--hairline);
  --rule-soft: color-mix(in oklab, var(--hairline) 55%, transparent);
  --accent-ink: var(--accent-fg);
  --ok: var(--semantic-success);
  --ok-soft: color-mix(in oklab, var(--semantic-success) 12%, transparent);
  --blue: var(--semantic-info);
  --danger: var(--semantic-danger);
  --hover: color-mix(in oklab, var(--fg) 5%, transparent);
  --su-shadow: 0 1px 2px rgba(22, 22, 26, 0.05), 0 14px 40px -22px rgba(22, 22, 26, 0.28);

  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--type-body);
  -webkit-font-smoothing: antialiased;
}
[data-theme="dark"] .sus-root {
  --su-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 50px -28px rgba(0, 0, 0, 0.7);
}
.sus-root *,
.sus-root *::before,
.sus-root *::after { box-sizing: border-box; }
/* :where() keeps these resets at zero extra specificity so component classes
   (.sus-claim, .sus-btn, .sus-iconbtn …) win without needing a .sus-root prefix —
   otherwise `.sus-root button` (0-1-1) would beat a plain `.sus-claim` (0-1-0) and
   the yellow claim button would fall back to a transparent background. */
.sus-root :where(button) { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
.sus-root :where(input) { font: inherit; }

.sus-page { max-width: 760px; margin: 0 auto; padding: 30px 24px 120px; }

/* Back affordance for a signed-in visitor who arrived from the in-app "Sign-ups" nav (the page is
   on EmptyLayout, so there's otherwise no way back). Aligns with the page gutter; becomes a sticky
   top bar on mobile so it's reachable no matter how far down a long sheet they've scrolled. */
.sus-backbar { max-width: 760px; margin: 0 auto; padding: 18px 24px 0; }
.sus-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--type-data); font-size: 0.8rem; letter-spacing: 0.04em;
  color: var(--accent-text); text-decoration: none; padding: 6px 0;
}
.sus-back:hover { text-decoration: underline; }
.sus-back .material-icons { font-size: 1.05rem; }
@media (max-width: 560px) {
  .sus-backbar {
    position: sticky; top: 0; z-index: 5; max-width: none; margin: 0;
    padding: 10px 16px; background: var(--bg);
    border-bottom: 1px solid var(--hairline);
  }
  .sus-back { padding: 2px 0; }
}

/* ── top utility bar (org mark + theme toggle) ── */
.sus-util { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.sus-org { display: flex; align-items: center; gap: 11px; min-width: 0; }
.sus-mark {
  width: 34px; height: 34px; flex: none;
  background: var(--accent); color: var(--accent-fg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--type-display); font-size: 17px;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}
.sus-orgname {
  font-family: var(--type-display); text-transform: uppercase;
  font-size: 15px; letter-spacing: 0.05em; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}

/* Reuses ThemeToggle.razor's markup (form.cm-theme-toggle > button.cm-theme-toggle__btn);
   styled here so it reads as the round icon button from the mock even though admin.css
   isn't loaded on this standalone page. */
.sus-util .cm-theme-toggle { margin: 0; }
.sus-util .cm-theme-toggle__btn {
  width: 38px; height: 38px; flex: none; border-radius: 50%;
  border: 1px solid var(--rule); background: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); transition: background .15s, color .15s, border-color .15s;
}
.sus-util .cm-theme-toggle__btn:hover { background: var(--hover); color: var(--ink); }
.sus-util .cm-theme-toggle__btn .material-icons { font-size: 20px; }

/* ── header ── */
.sus-head { margin-bottom: 22px; }
.sus-eyebrow {
  font-family: var(--type-data); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 12px;
}
.sus-title {
  font-family: var(--type-display); font-weight: 400; text-transform: uppercase;
  letter-spacing: 0.01em; line-height: 0.94;
  font-size: clamp(40px, 9vw, 68px); margin: 0; color: var(--ink);
}
.sus-event {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 12px; font-size: 0.9rem; color: var(--accent-text);
}
.sus-event .material-icons { font-size: 1.05rem; }
.sus-sub { margin-top: 16px; font-size: 15.5px; line-height: 1.5; color: var(--muted); max-width: 56ch; white-space: pre-wrap; }
.sus-sub b { color: var(--ink); font-weight: 600; }

/* sheet progress strip */
.sus-progress { margin-top: 22px; display: flex; align-items: center; gap: 14px; }
.sus-pbar { flex: 1; height: 8px; border-radius: 99px; background: var(--rule-soft); overflow: hidden; }
.sus-pfill { height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s cubic-bezier(.4, 0, .2, 1); }
.sus-pcount { font-family: var(--type-data); font-size: 13px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.sus-pcount b { color: var(--ink); font-weight: 600; }

.sus-rule { height: 1px; background: var(--rule); border: 0; margin: 26px 0; }

/* ── banners ── */
.sus-banner { display: flex; align-items: center; gap: 0.5rem; margin: 0 0 16px; padding: 0.6rem 0.85rem; border-radius: 10px; font-size: 0.9rem; }
.sus-banner .material-icons { font-size: 1.1rem; }
.sus-banner--muted { background: var(--hover); color: var(--muted); border: 1px solid var(--rule); }
.sus-banner--error {
  background: color-mix(in oklab, var(--danger) 10%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in oklab, var(--danger) 40%, transparent);
}

/* ── self-link card (approved, not yet a guardian here) ── */
.sus-linkcard {
  margin-bottom: 16px; padding: 14px 16px;
  border: 1px solid var(--accent); border-radius: 12px;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}
.sus-linkcard__title { font-weight: 700; }
.sus-linkcard__hint { margin: 4px 0 10px; color: var(--muted); font-size: 0.88rem; }

/* top sign-in CTA (anonymous) — so they don't have to scroll to the bottom prompt */
.sus-topcta {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  margin-bottom: 16px; padding: 14px 16px;
  border: 1px solid var(--rule); border-radius: 12px; background: var(--card); box-shadow: var(--su-shadow);
}
.sus-topcta__text { color: var(--muted); font-size: 0.95rem; }
.sus-root .sus-topcta__btn { padding: 11px 20px; white-space: nowrap; text-decoration: none; }

/* "signing up for" attribution selector */
.sus-attrib { margin-bottom: 18px; }
.sus-claimas { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sus-claimas label {
  font-family: var(--type-data); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dim);
}
.sus-claimas select {
  flex: 1; min-width: 200px; padding: 9px 12px;
  background: var(--card); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 9px;
}

/* ── item card ── */
.sus-items { display: flex; flex-direction: column; gap: 16px; }
.sus-item {
  background: var(--card); border: 1px solid var(--rule);
  border-radius: 14px; box-shadow: var(--su-shadow); overflow: hidden;
}
.sus-item.is-full { background: color-mix(in oklab, var(--ok) 6%, var(--card)); }
[data-theme="dark"] .sus-item.is-full { background: color-mix(in oklab, var(--ok) 9%, var(--card)); }

.sus-item-top { display: flex; align-items: center; gap: 16px; padding: 18px 20px 14px; }
.sus-item-main { flex: 1; min-width: 0; }
.sus-item-name { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.sus-item-desc { margin-top: 3px; font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.sus-item-right { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }

.sus-count {
  flex: none; font-family: var(--type-data); font-size: 12.5px;
  font-variant-numeric: tabular-nums; color: var(--muted);
  padding: 4px 9px; border-radius: 7px; background: var(--hover); white-space: nowrap;
}
.sus-count.is-full {
  background: var(--ok-soft); color: var(--ok); font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px; padding: 7px 13px; font-size: 13px;
}
.sus-count.is-full .material-icons { font-size: 15px; }

/* segmented pips — one per slot of capacity */
.sus-pips { display: flex; gap: 4px; padding: 0 20px 4px; }
.sus-pip { flex: 1; height: 5px; border-radius: 99px; background: var(--rule-soft); }
.sus-pip.on { background: var(--accent); }
.sus-pip.mine { background: var(--accent); box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 40%, transparent); }

/* slot rows */
.sus-slots { padding: 12px 20px 18px; display: flex; flex-direction: column; }
.sus-slot { display: flex; align-items: flex-start; gap: 13px; padding: 12px 0; border-top: 1px solid var(--rule-soft); }
.sus-slot:first-child { border-top: 0; }

.sus-av {
  width: 34px; height: 34px; flex: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--type-data); font-size: 12px; font-weight: 600;
  background: var(--hover); color: var(--muted); letter-spacing: 0.02em;
  border: 1px solid var(--rule-soft);
}
.sus-av.mine { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.sus-av .material-icons { font-size: 16px; }

.sus-slot-body { flex: 1; min-width: 0; }
.sus-slot-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sus-name { font-size: 14.5px; font-weight: 600; }
.sus-youtag {
  font-family: var(--type-data); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-text); background: var(--accent-soft); padding: 1px 6px; border-radius: 5px;
}
.sus-qty {
  font-family: var(--type-data); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); background: var(--hover); padding: 1px 6px; border-radius: 5px;
}
.sus-note { margin-top: 5px; font-size: 13.5px; line-height: 1.45; color: var(--ink); border-left: 2px solid var(--accent); padding-left: 10px; }
.sus-note.empty { color: var(--dim); border-left-color: var(--rule); font-style: italic; }

.sus-slot-act { flex: none; display: flex; align-items: center; gap: 6px; padding-top: 4px; }
.sus-iconbtn {
  width: 30px; height: 30px; border-radius: 7px; display: flex; align-items: center; justify-content: center;
  color: var(--dim); transition: background .12s, color .12s;
}
.sus-iconbtn:hover { background: var(--hover); color: var(--ink); }
.sus-iconbtn.danger:hover { color: var(--danger); }
.sus-iconbtn .material-icons { font-size: 17px; }

/* open slot placeholder */
.sus-open .sus-av { border-style: dashed; background: transparent; color: var(--faint); }
.sus-open-body { display: flex; align-items: center; }
.sus-open-label { font-size: 14px; color: var(--dim); font-weight: 500; }

/* prominent claim button (item header) */
.sus-claim {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  background: var(--accent); color: var(--accent-fg);
  font-weight: 700; font-size: 14.5px; padding: 11px 22px; border-radius: 10px;
  box-shadow: 0 1px 0 rgba(22, 22, 26, 0.04), 0 8px 18px -10px color-mix(in oklab, var(--accent) 80%, black);
  transition: filter .12s, transform .06s;
}
.sus-claim:hover { filter: brightness(0.96); }
.sus-claim:active { transform: translateY(1px); }
.sus-claim:disabled { opacity: 0.6; cursor: default; }
.sus-claim .material-icons { font-size: 18px; }

/* inline note editor */
.sus-editor { margin-top: 9px; display: flex; gap: 8px; align-items: stretch; }
.sus-input {
  flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--rule);
  border-radius: 9px; padding: 9px 12px; font-size: 14px; color: var(--ink);
  transition: border-color .12s, box-shadow .12s;
}
.sus-input::placeholder { color: var(--dim); }
.sus-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 30%, transparent); }
.sus-btn {
  flex: none; padding: 0 15px; border-radius: 9px; border: 1px solid var(--rule);
  background: var(--card); font-size: 13.5px; font-weight: 600; color: var(--ink);
  transition: background .12s, border-color .12s;
}
.sus-btn:hover { background: var(--hover); }
.sus-btn.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.sus-btn.primary:hover { filter: brightness(0.95); }

/* ── join (create account) / sign-in ── */
.sus-join { margin-top: 28px; max-width: 420px; }
.sus-signin__hint { margin: 0 0 10px; color: var(--muted); font-size: 0.92rem; }
.sus-form { display: flex; flex-direction: column; gap: 10px; }
.sus-form__row { display: flex; gap: 10px; }
.sus-form__row label { flex: 1; }
.sus-form label { display: flex; flex-direction: column; gap: 5px; font-size: 0.82rem; color: var(--muted); }
.sus-form input { padding: 9px 12px; background: var(--card); color: var(--ink); border: 1px solid var(--rule); border-radius: 9px; }
.sus-form__hint { margin: -2px 0 0; font-size: 0.78rem; color: var(--dim); }
.sus-btn--block { display: block; width: 100%; padding: 12px; font-size: 0.95rem; text-align: center; text-decoration: none; }
.sus-linktoggle { display: block; margin: 12px 0 0; background: none; border: none; color: var(--accent-text); font-family: var(--type-data); font-size: 0.8rem; cursor: pointer; }

/* ── footer sign-in line ── */
.sus-foot { margin-top: 34px; text-align: center; font-size: 13.5px; color: var(--muted); }
.sus-foot b { color: var(--ink); font-weight: 600; }
.sus-link { color: var(--accent-text); font-weight: 600; text-decoration: none; }
.sus-link:hover { text-decoration: underline; }

/* ── empty / not-found + loading card ── */
.sus-card {
  max-width: 560px; margin: 40px auto 0; background: var(--card);
  border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--su-shadow); padding: 32px;
}
.sus-empty { text-align: center; padding: 1.5rem 0; }
.sus-empty__icon { font-size: 2.5rem; color: var(--dim); }
.sus-empty__title { font-family: var(--type-display); font-weight: 400; text-transform: uppercase; margin: 0.5rem 0 0; }
.sus-empty__body { color: var(--muted); margin: 0.5rem 0 0; }

@media (max-width: 560px) {
  .sus-page { padding: 22px 16px 100px; }
  .sus-item-top { padding: 16px 16px 12px; flex-wrap: wrap; }
  .sus-pips { padding: 0 16px 4px; }
  .sus-slots { padding: 10px 16px 16px; }
  .sus-editor { flex-wrap: wrap; }
  .sus-input { flex-basis: 100%; }
  .sus-btn { flex: 1; padding: 10px; }
  .sus-item-right { flex-direction: row-reverse; align-items: center; flex-basis: 100%; justify-content: space-between; }
  .sus-claim { flex: 1; justify-content: center; }
}
