:root{
  --bg:#F3F1F6; --surface:#FFFFFF; --ink:#1D1630; --muted:#6B6480; --line:#E2DEEA;
  --accent:#C3122F; --accent-ink:#FFFFFF; --danger:#B3261E; --ok:#1E7A4F;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#141019;--surface:#1E1826;--ink:#F1EDF7;--muted:#A79FB8;--line:#2F2839;
    --accent:#FF5C72;--accent-ink:#22070D;--danger:#FF8A80;--ok:#6FD3A0;color-scheme:dark}
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.55 "Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:680px;margin:0 auto;padding:28px 18px 120px}
.top{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.logo{width:42px;height:30px;position:relative;flex:none}
.logo::before{content:"";position:absolute;inset:0;background:var(--accent);border-radius:5px}
.logo::after{content:"";position:absolute;left:0;right:0;top:0;height:62%;background:color-mix(in srgb,var(--accent) 70%,#000);
  clip-path:polygon(0 0,100% 0,50% 100%);border-radius:5px 5px 0 0}
.brand{font-family:Unbounded,"Golos Text",sans-serif;font-weight:700;font-size:18px}
h1.title{font-family:Unbounded,"Golos Text",sans-serif;font-weight:800;font-size:clamp(28px,6vw,40px);line-height:1.08;margin:0 0 10px;text-wrap:balance}
.lead{color:var(--muted);margin:0 0 30px;max-width:52ch}

fieldset{border:0;margin:0 0 14px;padding:22px 20px 8px;background:var(--surface);border-radius:20px}
legend{float:left;width:100%;padding:0;margin:0 0 16px;font-family:Unbounded,"Golos Text",sans-serif;font-weight:700;font-size:17px;display:flex;gap:10px;align-items:baseline}
legend .n{color:var(--accent);font-size:14px}
legend+*{clear:both}
.field{margin-bottom:16px}
.field label,.lbl{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field .help{font-size:13px;color:var(--muted);margin-top:5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.grid2{grid-template-columns:1fr}}
input[type=text],input[type=date],input[type=time],input[type=url],textarea{
  width:100%;font:16px "Golos Text",system-ui,sans-serif;color:var(--ink);background:var(--bg);
  border:2px solid transparent;border-radius:12px;padding:12px 14px;
}
textarea{resize:vertical;min-height:84px}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
.invalid{border-color:var(--danger)!important}
.err{color:var(--danger);font-size:13px;margin-top:5px;min-height:0}

.seg{display:inline-flex;background:var(--bg);border-radius:999px;padding:4px;margin-bottom:10px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:9px 18px;border-radius:999px;font-weight:600;font-size:15px}
.seg input:checked+span{background:var(--surface);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.seg input:focus-visible+span{outline:3px solid var(--accent);outline-offset:1px}

.photo-drop{display:flex;gap:16px;align-items:center}
.photo-thumb{width:92px;height:92px;border-radius:14px;background:var(--bg);flex:none;display:grid;place-items:center;
  overflow:hidden;color:var(--muted);font-size:28px;border:2px dashed var(--line)}
.photo-thumb img{width:100%;height:100%;object-fit:cover}
.photo-actions{display:flex;flex-wrap:wrap;gap:8px}

.themes{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:14px}
.theme{position:relative;cursor:pointer}
.theme input{position:absolute;opacity:0;pointer-events:none}
.theme .sw{display:block;border-radius:16px;padding:16px 14px 12px;background:var(--pattern),var(--bg);border:3px solid transparent;transition:border-color .15s}
.theme input:checked+.sw{border-color:var(--accent)}
.theme input:focus-visible+.sw{outline:3px solid var(--accent);outline-offset:2px}
.mini-env{display:block;position:relative;width:100%;aspect-ratio:3/2;border-radius:6px;background:var(--env);overflow:hidden}
.mini-env::before{content:"";position:absolute;left:0;right:0;top:0;height:58%;background:var(--env-flap);clip-path:polygon(0 0,100% 0,50% 100%)}
.mini-env::after{content:"♥";position:absolute;left:50%;top:58%;width:24px;height:24px;margin:-12px 0 0 -12px;border-radius:50%;
  background:var(--seal);color:var(--seal-ink);font-size:12px;display:grid;place-items:center}
.theme .name{display:block;margin-top:9px;font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--ink)}
.theme .desc{display:block;font-size:12px;color:var(--muted)}
.theme .tick{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:50%;background:var(--accent);
  color:var(--accent-ink);font-size:14px;display:none;place-items:center;font-weight:700}
.theme input:checked~.tick{display:grid}

.btn{font:600 16px/1 "Golos Text",system-ui,sans-serif;border:0;border-radius:999px;padding:14px 22px;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:inherit;background:var(--bg)}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{background:transparent;box-shadow:inset 0 0 0 2px var(--line)}
.btn-sm{padding:10px 16px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:progress}

.actionbar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding:12px 18px calc(12px + env(safe-area-inset-bottom,0px))}
.actionbar .in{max-width:680px;margin:0 auto;display:flex;gap:10px;align-items:center;justify-content:space-between}
.actionbar .note{font-size:13px;color:var(--muted)}

/* предпросмотр */
.preview{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;background:var(--bg)}
.preview[hidden]{display:none}
.pv-bar{flex:none;display:flex;gap:10px;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top,0px)) 14px 10px;background:var(--surface);border-bottom:1px solid var(--line)}
.pv-bar .btn{white-space:nowrap}
.pv-bar .lbl2{font-size:13px;color:var(--muted);display:none}
@media (min-width:640px){.pv-bar .btn{white-space:nowrap}
.pv-bar .lbl2{display:block}}
.pv-stage{flex:1;overflow:auto;position:relative}
.pv-stage>div{min-height:100%}
.pv-err{color:var(--danger);font-size:14px;padding:0 14px 8px;background:var(--surface)}

/* результат */
.result{background:var(--surface);border-radius:20px;padding:24px 20px}
.linkbox{display:flex;gap:8px;margin:8px 0 6px}
.linkbox input{flex:1;min-width:0;font-size:15px}
.result h2{font-family:Unbounded,"Golos Text",sans-serif;font-size:17px;margin:22px 0 4px}
.result p{margin:0 0 8px;color:var(--muted);font-size:14px}
.toast{font-size:13px;color:var(--ok);min-height:20px}
.hidden{display:none!important}
.status-card{background:var(--surface);border-radius:20px;padding:24px 20px;margin-bottom:14px}
.status-card .big{font-family:Unbounded,"Golos Text",sans-serif;font-weight:800;font-size:28px;line-height:1.1;margin:0 0 8px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:6px 12px;font-size:15px;margin-top:12px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:600}

/* переключатель */
.switch{display:flex;gap:14px;align-items:flex-start;cursor:pointer;margin:2px 0 18px;padding:14px;border-radius:14px;background:var(--bg)}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch .track{flex:none;width:46px;height:28px;border-radius:999px;background:var(--line);position:relative;transition:background .2s;margin-top:1px}
.switch .track::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;
  box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .2s}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked+.track::after{transform:translateX(18px)}
.switch input:focus-visible+.track{outline:3px solid var(--accent);outline-offset:2px}
.switch b{display:block;font-weight:600}
.switch small{display:block;color:var(--muted);font-size:13px}

/* живое превью */
.live{display:none}
@media (min-width:1080px){
  .wrap.layout{max-width:1180px}
  .layout .title,.layout .lead{max-width:640px}
  .cols{display:grid;grid-template-columns:minmax(0,640px) minmax(0,1fr);gap:36px;align-items:start}
  .live{display:block;align-self:stretch}
  .live-stick{position:sticky;top:24px}
  .live-stage{border-radius:24px;overflow:hidden;min-height:440px;display:grid}
  .live-stage .inv{padding:70px 24px 40px}
  .live-stage .envelope{width:min(400px,100%);pointer-events:none;animation:none}
  .live-note{font-size:13px;color:var(--muted);text-align:center;margin:10px 0 0}
  .actionbar .in{max-width:1180px}
}