body { margin: 0; background: #e3e8e2; color: #24392f; font: 16px/1.5 system-ui, sans-serif; }
.center-shell { width: min(calc(100% - 32px), 720px); margin: 0 auto; padding: 24px 0; }
.center-brand { color: inherit; font-weight: 700; text-decoration: none; }
.center-bar { display: flex; gap: 16px; align-items: center; justify-content: space-between; }
.center-card { margin-top: 24px; padding: 24px; border: 1px solid #bbc9be; border-radius: 18px; background: #f8faf7; }
.center-card h1 { margin: 0; font: 400 clamp(28px, 5vw, 40px)/1.15 Georgia, serif; }
.center-card p { margin: 12px 0; }
.center-shell a { color: #24503b; }
.center-shell button { cursor: pointer; border: 0; border-radius: 999px; padding: 8px 16px; background: #24503b; color: #fff; font: inherit; }
.center-chat { height: clamp(420px, 72dvh, 720px); margin-top: 18px; overflow: hidden; border: 1px solid #bbc9be; border-radius: 18px; }
.center-chat .mendy-inline .mendy-log { overflow-y: auto; }
.center-chat .mendy-inline .mendy-banner, .center-chat .mendy-inline .mendy-note { flex-basis: auto; min-height: 20px; font-size: 11px; line-height: 1.5; }

.center-portal { background: #080b13; color: #f6f2ff; font-family: Arial, Helvetica, sans-serif; }
.center-portal .center-shell { padding-block: 26px 44px; }
.center-portal .center-bar { color: #171127; margin-bottom: 32px; }
.center-portal .center-brand { color: #171127; }
.center-portal h1 { color: inherit; font: 500 clamp(30px, 5vw, 48px)/1.05 Arial, Helvetica, sans-serif; letter-spacing: -.045em; }
.center-portal .center-shell > h1 { color: #171127; }
.center-portal .center-card { width: min(100%, 480px); padding: clamp(18px, 5vw, 32px); background: #171525; color: #f6f2ff; border-color: #9682b4; box-shadow: 0 12px 40px #07051040; }
.center-portal .center-card p { color: #e6ddf3; }
.center-portal .center-card button { min-height: 44px; background: #c5a4f4; color: #171127; }
.center-portal .center-bar button { min-height: 44px; background: #171127; color: #f6f2ff; }
.center-portal input { max-width: 100%; min-height: 44px; margin: 6px 0; padding: 8px 12px; border: 1px solid #aa97c1; border-radius: 8px; background: #201b30; color: #fff; font: inherit; }
.center-portal .center-card :focus-visible { outline-color: #b5ffdf; }
.center-portal #mendy-card.center-chat { width: 100%; height: clamp(380px, 68dvh, 700px); border: 1px solid #9682b4; }
.center-portal #mendy-card .mendy-log { overflow-y: auto; }