.account-auth{box-sizing:border-box;position:fixed;inset:0;width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;background:var(--paper,#e3e7ed);color:var(--text,#172f4e);overflow:auto}
.account-auth::backdrop{background:var(--paper,#e3e7ed)}
.auth-layout{min-height:100%;box-sizing:border-box;padding:32px 24px;background:radial-gradient(ellipse at top left,color-mix(in srgb,var(--account-accent,#24558e) 15%,transparent),transparent 65%)}
.auth-back{background:none;border:0;color:var(--text);font:inherit;cursor:pointer;padding:12px 0}
.auth-card{width:min(100%,440px);box-sizing:border-box;margin:30px auto;padding:34px;border-radius:24px;background:var(--surface,#fff);box-shadow:0 24px 70px #172f4e12;border:1px solid var(--edge,#ced9e7)}
.auth-brand{font-size:16px;font-weight:800;color:var(--account-accent,#24558e)}
.auth-card h1{font-size:32px;letter-spacing:-.04em;line-height:1.15;margin:24px 0 12px;color:var(--text)}
.auth-card p{font-size:15px;line-height:1.6;color:var(--quiet)}
.auth-card label{display:block;margin:18px 0 7px;font-size:14px;font-weight:700}
.auth-card input{box-sizing:border-box;width:100%;padding:13px 14px;font:inherit;font-size:16px;border-radius:10px;border:1px solid var(--edge);background:var(--surface);color:var(--text)}
.auth-card input:focus{outline:2px solid var(--account-accent,#24558e);outline-offset:2px}
#auth-submit{width:100%;padding:14px;border:0;border-radius:12px;background:var(--account-accent,#24558e);color:white;font:inherit;font-weight:700;cursor:pointer}
#auth-submit:disabled{opacity:.6;cursor:wait}
#auth-switch{display:block;background:none;border:0;margin:20px auto 0;color:var(--account-accent,#24558e);font:inherit;font-size:14px;cursor:pointer}
.auth-card #auth-error{color:#ad2937;font-size:14px;min-height:1em}
#account-save-status{position:fixed;bottom:16px;right:16px;max-width:min(440px,85vw);z-index:10000;padding:12px 16px;border:1px solid var(--edge);border-radius:12px;background:var(--surface);color:var(--text);box-shadow:0 5px 25px #0002;font-size:14px}
#account-save-status button{margin-left:10px;background:none;border:0;text-decoration:underline;color:inherit;cursor:pointer}
.lh-sync[hidden],#canvas-connected-row[hidden]{display:none!important}
.lh-avatar[aria-label="Sign in or create account"]{display:inline-flex;align-items:center;justify-content:center;width:auto;min-width:92px;height:40px;margin:0;padding:0 16px;border-radius:12px;white-space:nowrap;font-size:14px;line-height:1;text-align:center;vertical-align:middle}
@media(max-width:500px){.auth-layout{padding:20px 16px}.auth-card{padding:26px 22px;margin:22px auto}.auth-card h1{font-size:29px}}