/* Architestra Spark's sign-in (owner, 2026-11-04): the play site's look, a white card in the middle on the moving
   northern lights (aurora.js). Once signed in, the builder is the editor and library exactly as approved (spark.css). */
html:has(body.sbx-on){overflow:hidden;scrollbar-gutter:auto;background:#fff}
body.sbx-on{overflow:hidden;background:#fff}
body.sbx-on>.masthead,body.sbx-on>.site-footer,body.sbx-on>.light,body.sbx-on>#spark{visibility:hidden}
.sbx-on .aurora{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;filter:blur(7px) saturate(1.2);transform:scale(1.06)}
.sbx{position:fixed;inset:0;z-index:5;display:grid;place-items:center;padding:16px;overflow-y:auto;color:#1B2240;font-family:"Noto Sans Hebrew",system-ui,sans-serif;color-scheme:light}
.sbx-card{width:min(460px,100%);background:#fff;border-radius:34px;box-shadow:0 34px 90px -36px rgba(27,34,64,.34),0 2px 6px rgba(27,34,64,.05);overflow:hidden}
.sbx-body{padding:34px 30px 26px;display:flex;flex-direction:column;align-items:center;gap:13px;text-align:center}
.sbx-body.in{animation:sbx-in .5s cubic-bezier(.22,1,.36,1) both}
@keyframes sbx-in{from{opacity:0;transform:translateY(14px) scale(.985)}}
.sbx-logo{width:84px;height:84px;border-radius:21px;box-shadow:0 12px 26px -10px rgba(39,83,181,.55);animation:sbx-logo .8s cubic-bezier(.34,1.42,.64,1) both}
@keyframes sbx-logo{from{opacity:0;transform:scale(.6) rotate(-8deg)}}
.sbx-title{margin:0;font-size:29px;font-weight:900;letter-spacing:-.01em}
.sbx-title.small{font-size:25px}
.sbx-lead{margin:0 0 6px;font-size:16px;font-weight:600;color:#565E7E}
.sbx-hint{margin:4px 0 0;font-size:13px;font-weight:600;color:#8A91AD}
.sbx-msg{margin:0;font-size:14.5px;font-weight:700;color:#D64A37}
.sbx-msg:empty{display:none}
.sbx .sbx-btn{width:100%;min-height:60px;display:flex;align-items:center;justify-content:center;gap:12px;border:0;border-radius:20px;font:inherit;font-size:19px;font-weight:850;cursor:pointer;transition:transform .12s,box-shadow .12s}
.sbx-btn img,.sbx-btn svg{flex:none}
.sbx-btn img{border-radius:8px}
.sbx-btn.google{background:#fff;color:#1B2240;border:2.5px solid #DCE2F5;box-shadow:0 5px 0 #DCE2F5}
.sbx-btn.google:active{transform:translateY(3px);box-shadow:0 2px 0 #DCE2F5}
.sbx-btn.arch{background:#111;color:#fff;border:2.5px solid #111;box-shadow:0 5px 0 #000}
.sbx-btn.arch:active{transform:translateY(3px);box-shadow:0 2px 0 #000}
.sbx-btn:disabled{opacity:.6;cursor:default}
.sbx .sbx-link{min-height:0;box-shadow:none;width:auto;border:0;background:none;font:inherit;font-size:14.5px;font-weight:700;color:#3B74E4;padding:6px 10px;border-radius:12px;cursor:pointer}
.sbx .sbx-link:hover{background:#F3F6FF}
.sbx-form{display:flex;flex-direction:column;gap:12px;width:100%;text-align:start}
.sbx-field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700;color:#565E7E}
.sbx-field[hidden]{display:none}
.sbx-field input{height:54px;border:2.5px solid #DCE2F5;border-radius:16px;padding:0 14px;font:inherit;font-size:18px;font-weight:600;color:#1B2240;background:#fff;outline:none}
.sbx-field input:focus{border-color:#3B74E4;box-shadow:0 0 0 4px rgba(59,116,228,.15)}
.masthead .sb-out{min-height:0;box-shadow:none;margin-inline-start:10px;border:0;border-radius:12px;padding:6px 12px;font:inherit;font-weight:700;cursor:pointer;background:rgba(59,116,228,.1);color:#2753B5}
@media (max-width:520px){.sbx-body{padding:28px 20px 22px}.sbx-card{border-radius:28px}}
@media (prefers-reduced-motion:reduce){.sbx-body.in,.sbx-logo{animation:none}}