/* Signed-out landing page. Uses the app tokens; adds only a display type scale. */
.landing{--lp-h1:clamp(29px,4.6vw,50px);--lp-h2:clamp(19px,2.2vw,23px);--lp-lead:clamp(14.5px,1.5vw,17px);--lp-max:1180px;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}
.landing[hidden]{display:none}
.landing:not([hidden])~.app{display:none}
.landing :focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.lp-bar{display:flex;align-items:center;width:100%;max-width:var(--lp-max);margin:0 auto;padding:16px max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right))}
.lp-bar .brand{font-size:19px}
.lp-login{margin-left:auto;display:inline-flex;align-items:center;min-height:40px;padding:0 17px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--ink);font-weight:650;font-size:14px;text-decoration:none}
.lp-login:hover{border-color:var(--purple);color:var(--purple)}
.lp-main{flex:1;width:100%;max-width:var(--lp-max);margin:0 auto;padding:0 max(20px,env(safe-area-inset-left)) 48px max(20px,env(safe-area-inset-right))}
.lp-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:clamp(28px,4vw,60px);align-items:center;padding:clamp(26px,5vw,64px) 0}
.lp-hero h1{font-size:var(--lp-h1);line-height:1.3;letter-spacing:-.01em;font-weight:800;margin:0 0 18px}
.lp-hero h1 em{font-style:normal;color:var(--purple)}
.lp-hero h1 .nb{white-space:nowrap}
.lp-lead{font-size:var(--lp-lead);line-height:1.9;color:var(--nav);margin:0 0 26px;max-width:32em}
.lp-auth{display:flex;flex-direction:column;gap:10px;max-width:390px;scroll-margin-top:24px}
.lp-auth .primary,.lp-auth .chip{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;border-radius:13px;font-size:15px}
.lp-auth .chip{font-weight:600}
.lp-alts{display:flex;gap:10px}
.lp-alts .chip{flex:1}
.lp-error{margin:14px 0 0;max-width:390px}
.lp-fine{font-size:12.5px;color:var(--muted);line-height:1.85;margin:16px 0 0;max-width:34em}
.lp-demo{background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.lp-demo-bar{display:flex;align-items:center;gap:8px;padding:11px 15px;border-bottom:1px solid var(--line);font-size:11.5px;color:var(--muted);letter-spacing:.06em;font-weight:700}
.lp-demo-bar i{width:8px;height:8px;border-radius:50%;background:var(--green)}
.lp-demo-body{background:var(--chat);padding:18px 16px;display:flex;flex-direction:column;gap:11px}
.lp-demo-body .message,.lp-demo-body .npc-message,.lp-demo-body .tensaku{max-width:100%}
.lp-steps{padding:clamp(22px,4vw,40px) 0 0}
.lp-kicker{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:0 0 18px}
.lp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lp-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}
.lp-card span{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--purple-soft);color:var(--purple-ink);font-size:12px;font-weight:800;margin-bottom:12px}
.lp-card h2{font-size:15px;margin:0 0 8px}
.lp-card p{font-size:13.5px;line-height:1.9;color:var(--nav);margin:0}
.lp-foot{border-top:1px solid var(--line);width:100%;max-width:var(--lp-max);margin:0 auto;padding:20px max(20px,env(safe-area-inset-left)) calc(20px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-right));display:flex;gap:8px 20px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
/* Boot: keep the app shell hidden until sign-in state is known, so the landing does not flash. */
body[data-booting] .app{display:none}
body:not([data-booting]) .boot{display:none}
.boot{position:fixed;inset:0;display:grid;place-items:center;align-content:center;gap:14px;background:var(--bg)}
.boot .brand{font-size:19px}
@media(max-width:900px){.lp-hero{grid-template-columns:minmax(0,1fr);gap:30px}.lp-grid{grid-template-columns:1fr}}
@media(max-width:480px){.lp-alts{flex-direction:column}.lp-card{padding:18px}}
@media(pointer:coarse){.lp-login{min-height:44px}}