:root{
  --c-header:#232323; --c-ink:#232323; --c-primary:#70bd93; --c-primary-hover:#63a681; --c-on-primary:#232323;
  --c-secondary:#5a6772; --c-accent:#497b60; --c-ok:#497b60; --c-error:#b3261e;
  --c-bg:#f4f5f7; --c-surface:#fff; --c-text:#232323; --c-muted:#5d6872; --c-line:#d5dae0;
  --radius:4px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-text);font:16px/1.5 var(--font)}
.topbar{background:var(--c-header);color:#fff;padding:10px 16px;position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:12px}
.topbar img{height:32px;width:auto;display:block}
.brand{font-weight:600;font-size:1rem}
.page{max-width:480px;margin:0 auto;padding:20px 16px 40px;background:var(--c-surface);min-height:calc(100vh - 50px)}
h1{font-size:1.5rem;line-height:1.25;margin:8px 0 12px}
h2{font-size:1.25rem;line-height:1.3;margin:4px 0 8px}
h3{font-size:1rem;margin:24px 0 8px}
p{margin:0 0 14px}
.progress{color:var(--c-muted);font-size:.875rem;margin-bottom:6px}
label{display:block;font-weight:600;font-size:.9375rem;margin:14px 0 4px}
.opt{font-weight:400;color:var(--c-muted)}
input{width:100%;height:48px;padding:0 12px;font:inherit;color:inherit;background:#fff;border:1px solid #8a949e;border-radius:var(--radius)}
input:focus-visible,.btn:focus-visible,a:focus-visible{outline:3px solid var(--c-ink);outline-offset:2px}
input[aria-invalid="true"]{border-color:var(--c-error)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.btn{display:block;width:100%;min-height:48px;margin:14px 0 0;padding:10px 16px;font:inherit;font-weight:600;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;text-align:center;text-decoration:none}
.btn.primary{background:var(--c-primary);color:var(--c-on-primary)}
.btn.primary:hover{background:var(--c-primary-hover)}
.btn.secondary{background:#fff;color:var(--c-ink);border-color:var(--c-ink)}
.btn.link{background:none;color:var(--c-secondary);min-height:44px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.error{color:var(--c-error);font-weight:600;margin:12px 0 0}
.hint{color:var(--c-muted);font-size:.9375rem}
.notice{border-left:3px solid var(--c-primary);background:var(--c-bg);padding:10px 12px;font-size:.9375rem;margin-top:16px}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-line)}
.rows li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.rows .who{flex:1;min-width:0}
.rows .who small{display:block;color:var(--c-muted)}
.rows .actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.rows .btn{width:auto;margin:0;min-height:44px;padding:8px 14px}
.rows .empty{color:var(--c-muted);justify-content:center}
.share li{flex-direction:column;align-items:stretch}
.status{font-size:.875rem;color:var(--c-muted)}
.status.done{color:var(--c-ok);font-weight:600}
#l-share li{flex-wrap:wrap}
#l-share .who{flex-basis:100%}
#l-share .actions{justify-content:flex-start}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (min-width:600px){.page{margin-top:16px;border:1px solid var(--c-line);border-radius:var(--radius);min-height:0}}
fieldset{border:0;margin:16px 0 0;padding:0}
legend{font-weight:600;padding:0;margin-bottom:6px}
.choice{display:flex;align-items:flex-start;gap:12px;font-weight:600;margin:12px 0 4px}
.choice input{width:24px;height:24px;margin:2px 0 0;flex:none;accent-color:var(--c-ink)}
.legal{color:var(--c-muted);font-size:.875rem;margin:0 0 8px 36px}
.info{margin-top:28px;border-top:1px solid var(--c-line);padding-top:8px}
.info p{font-size:.875rem;color:var(--c-muted)}
a.btn{text-decoration:none}