/* Header feedback panel — src/feedback.js. 8px grid, site tokens (light + dark via theme.css vars). */
.fb-wrap{position:relative;display:inline-flex}
.fb-btn{display:inline-flex;align-items:center;font-size:14.5px;font-weight:600;color:var(--ink-3);padding:8px 14px;border-radius:99px;transition:background .2s,color .2s}
.fb-btn:hover,.fb-btn[aria-expanded="true"]{color:var(--ink);background:rgba(0,0,0,.05)}
:root[data-theme="dark"] .fb-btn:hover,:root[data-theme="dark"] .fb-btn[aria-expanded="true"]{background:rgba(255,255,255,.08)}

.fb-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:50;width:376px;padding:20px;border-radius:24px;
  background:var(--surface);border:1px solid var(--line-2);box-shadow:0 16px 48px -16px rgba(20,32,56,.28);
  text-align:left;animation:fb-in .22s var(--ease) both}
:root[data-theme="dark"] .fb-panel{box-shadow:0 16px 48px -16px rgba(0,0,0,.7)}
@keyframes fb-in{from{opacity:0;transform:translateY(-4px) scale(.98)}}
.fb-head{display:flex;align-items:center;justify-content:space-between;margin:-4px -8px 8px 0}
.fb-head b{font-family:var(--display);font-size:20px;letter-spacing:-.02em;color:var(--ink)}
.fb-x{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:var(--ink-3)}
.fb-x:hover{background:rgba(0,0,0,.05);color:var(--ink)}
.fb-x svg{width:18px;height:18px}
.fb-sub{margin:0 0 8px;font-size:14px;font-weight:600;color:var(--ink-2)}

.fb-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.fb-chips button{height:32px;padding:0 12px;border-radius:99px;font-size:14px;font-weight:550;color:var(--ink-2);
  box-shadow:inset 0 0 0 1px var(--line);transition:background .15s,color .15s,box-shadow .15s}
.fb-chips button:hover{color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink-4)}
.fb-chips button[aria-checked="true"]{background:var(--accent-soft);color:var(--accent-ink);box-shadow:inset 0 0 0 1.5px var(--accent)}

.fb-text,.fb-email{width:100%;display:block;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);
  font:inherit;font-size:16px;outline:none;transition:border-color .15s,box-shadow .15s}
.fb-text{min-height:112px;padding:12px 16px;line-height:1.45;resize:vertical}
.fb-email{height:48px;padding:0 16px;margin-top:8px}
.fb-text::placeholder,.fb-email::placeholder{color:var(--ink-4)}
.fb-text:focus,.fb-email:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.fb-err{margin:8px 0 0;font-size:13.5px;color:var(--bad)}
.fb-err:empty{display:none}
.fb-send{width:100%;height:48px;margin-top:16px;border-radius:99px;background:var(--accent);color:#fff;font-size:16px;font-weight:600;transition:background .2s,opacity .2s}
.fb-send:hover{background:#0a74ec}
.fb-send:disabled{opacity:.4;cursor:default;background:var(--accent)}

.fb-thanks{display:flex;flex-direction:column;align-items:center;text-align:center;padding:8px 0 0;animation:fb-in .3s var(--ease) both}
.fb-ok{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:16px}
.fb-ok svg{width:28px;height:28px;stroke-width:2.4}
.fb-thanks b{font-family:var(--display);font-size:22px;letter-spacing:-.02em;color:var(--ink)}
.fb-thanks p{margin:8px 0 0;font-size:15px;line-height:1.45;color:var(--ink-3);max-width:280px}

/* phones: a sheet from the bottom, not a popover */
@media (max-width:640px){
  .tnav{gap:0;align-items:center}
  .tnav a,.fb-btn{padding:8px 10px;white-space:nowrap;font-size:14px}
  .fb-panel{position:fixed;top:auto;left:0;right:0;bottom:0;width:auto;border-radius:24px 24px 0 0;
    padding:20px 16px calc(16px + env(safe-area-inset-bottom));max-height:88svh;overflow:auto;animation-name:fb-up}
  @keyframes fb-up{from{transform:translateY(24px);opacity:0}}
  .fb-scrim{position:fixed;inset:0;z-index:49;background:rgba(0,0,0,.32);animation:fb-fade .2s both}
  @keyframes fb-fade{from{opacity:0}}
}
.fb-ic{display:none}
.fb-ic svg{display:block}
@media (max-width:380px){.fb-btn{padding:7px 8px}.fb-ic{display:block}.fb-l{display:none}}

/* live site before sign-in is configured (src/main.js) */
.no-auth .tnav .signin{display:none!important}

/* footer: Telegram support channel */
.site-foot{max-width:1180px;margin:120px auto 0;padding:32px max(24px,calc((100vw - 1180px)/2)) 48px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;box-sizing:content-box}
.site-foot p{margin:0;display:flex;flex-direction:column;gap:4px}
.site-foot small{font-size:13px;font-weight:600;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em}
.site-foot .sf-t{font-size:16px;color:var(--ink-2)}
.sf-tg{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:99px;background:var(--accent);color:#fff;
  font-size:15px;font-weight:600;text-decoration:none;transition:background .2s}
.sf-tg:hover{background:#0a74ec}
@media (max-width:720px){.site-foot{margin-top:72px;padding:24px 16px 40px;flex-direction:column;align-items:stretch}.sf-tg{justify-content:center}}