/* Online version: sign-in gate, roles */
#gate{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px 16px calc(24px + env(safe-area-inset-bottom,0px));overflow:auto;
  background:radial-gradient(1200px 600px at 85% -10%,rgba(242,200,17,.12),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(20,40,75,.10),transparent 60%),#f4f6fa;
  color:#101c36;color-scheme:light;transition:opacity .6s ease,visibility .6s}
#gate.out{opacity:0;visibility:hidden;pointer-events:none}
body.gate-open{overflow:hidden}
.g-card{width:min(420px,100%);background:rgba(255,255,255,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(16,28,54,.08);border-radius:18px;
  box-shadow:0 30px 80px rgba(16,28,54,.14),0 2px 6px rgba(16,28,54,.05);padding:30px 28px 22px;text-align:left}
.g-mark{display:flex;align-items:flex-end;gap:5px;height:34px;margin-bottom:18px}
.g-mark span{width:8px;border-radius:2px;display:block}
.g-mark span:nth-child(1){height:12px;background:#107c41}.g-mark span:nth-child(2){height:19px;background:#f2c811}.g-mark span:nth-child(3){height:26px;background:#118dff}.g-mark span:nth-child(4){height:34px;background:#12239e}
.g-title{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;font-weight:600;font-size:28px;line-height:1.15;letter-spacing:-.01em;margin:0 0 6px;color:#101c36}
.g-title em{display:block;font-style:italic;font-weight:400;background:linear-gradient(90deg,#12239e,#118dff 55%,#4aa8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.g-sub{color:#46526a;font-size:14.5px;line-height:1.5;margin:14px 0 16px}
.g-sub.small{font-size:13.5px;margin-top:-6px}
.g-btn{width:100%;height:46px;border-radius:11px;font:600 15px/1 'Segoe UI',system-ui,sans-serif;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent}
.g-google{background:#fff;border-color:#d5dbe5;color:#1f2a40}.g-google:hover{background:#f7f9fc}
.g-pri{background:#12239e;color:#fff;margin-top:6px}.g-pri:hover{background:#1a2fb5}
.g-or{display:flex;align-items:center;gap:10px;color:#7a869b;font-size:12.5px;margin:18px 0 12px}
.g-or:before,.g-or:after{content:"";flex:1;height:1px;background:#dde3ec}
#gate form label{display:block;font-size:12.5px;font-weight:600;color:#3d4a62;margin-bottom:10px}
#gate input{display:block;width:100%;box-sizing:border-box;height:44px;margin-top:5px;border:1px solid #cfd7e3;border-radius:10px;padding:0 12px;font-size:16px;background:#fff;color:#101c36}
#gate input:focus,.g-btn:focus-visible,.g-link:focus-visible{outline:2px solid #118dff;outline-offset:2px}
.g-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:14px}
.g-link{background:none;border:0;padding:4px 0;color:#12239e;font-size:13.5px;font-weight:600;cursor:pointer}
.g-err{margin:12px 0 0;padding:10px 12px;border-radius:9px;background:#fdecea;color:#8a1f17;font-size:13.5px}
.g-foot{margin:20px 0 0;color:#8a95a8;font-size:11.5px;text-align:center}
.g-spin{width:28px;height:28px;border-radius:50%;border:3px solid #dfe5ee;border-top-color:#12239e;animation:gspin 0.9s linear infinite;margin:6px auto 4px}
@keyframes gspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.g-spin{animation-duration:3s}}
/* who box & roles */
.whobox{display:inline-flex;align-items:center;gap:8px;margin-left:10px;font-size:11.5px;opacity:.92;flex-wrap:wrap}
.who-e{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who-r{border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:10.5px;letter-spacing:.04em;text-transform:uppercase}
.who-out{background:none;border:0;color:inherit;text-decoration:underline;cursor:pointer;font-size:11.5px;padding:2px 0}
@media (max-width:640px){.whobox{display:flex;margin:6px 0 0}.who-e{max-width:60vw}}
/* roles: hide editing features for viewers */
body.role-viewer .upload-bar,body.role-viewer #accBtn{display:none!important}
/* access panel */
.modal{position:fixed;inset:0;z-index:999;display:grid;place-items:center;background:#0006}.modal[hidden]{display:none}
.modal-card{width:min(620px,100%);max-height:90vh;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.18);padding:0;margin:16px}
.modal-h{display:flex;align-items:center;gap:12px;padding:18px 18px 14px;border-bottom:1px solid var(--line)}
.modal-h h3{margin:0;font-size:16px}.spacer{flex:1}
/* buttons used in access panel and history */
.btn{font:inherit;cursor:pointer;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:6px 14px}
.btn:hover{background:var(--bg)}
.btn.sm{font-size:12px;padding:4px 10px}
.btn.ghost{background:none;border-color:transparent}.btn.ghost:hover{background:var(--bg);border-color:var(--line)}
.btn.pri{background:var(--bar2);color:#fff;border-color:var(--bar2)}.btn.pri:hover{opacity:.9}
.acc-b{padding:0 18px 18px;overflow:auto}
.acc-roles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin:14px 0}
.acc-roles div{background:var(--bg);border-radius:9px;padding:9px 11px;font-size:12px;line-height:1.4;color:var(--mute)}
.acc-roles b{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
.acc-share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg);border-radius:9px;padding:10px 12px;margin-bottom:14px;font-size:12.5px}
.acc-share code{font-size:12.5px;word-break:break-all}
.acc-add{display:block;font-weight:600;font-size:13px}
.acc-add textarea{display:block;width:100%;box-sizing:border-box;margin-top:6px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;font-weight:400;font-size:14px;background:var(--card);color:var(--ink);resize:vertical}
.acc-acts{display:flex;align-items:center;gap:12px;margin:10px 0 14px;flex-wrap:wrap}
.acc-as{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600}
.acc-as select,.acc-ctl select{height:34px;border:1px solid var(--line);border-radius:8px;padding:0 8px;background:var(--card);color:var(--ink);font:inherit;font-size:13px}
.acc-ctl{display:inline-flex;align-items:center;gap:8px;flex:none}
.acc-h{font-size:12px;font-weight:600;color:var(--mute);margin:14px 0 6px;text-transform:uppercase;letter-spacing:.05em}
.acc-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);font-size:13.5px}
.acc-row span{overflow:hidden;text-overflow:ellipsis}
.acc-none{padding:8px 0 10px;border-top:1px solid var(--line);color:var(--mute);font-size:13px}
.acc-badge{color:var(--mute);border-color:var(--line)}
@media (max-width:520px){.acc-row{flex-wrap:wrap}.acc-ctl{width:100%;justify-content:space-between}}