.fs-maintenance-notice { position:sticky; top:0; z-index:2147483000; box-sizing:border-box; width:100%; padding:16px 24px; border-bottom:3px solid #167c77; background:#eff9f8; color:#14383d; font:16px/1.5 system-ui,sans-serif; box-shadow:0 2px 8px #102b3026; }
.fs-maintenance-notice strong { display:block; font-size:18px; }
.fs-maintenance-notice p { margin:4px 0; max-width:90ch; }
.fs-maintenance-notice button { width:auto; min-height:40px; margin-top:8px; padding:8px 16px; border:1px solid #167c77; border-radius:6px; background:#fff; color:#14383d; font:600 16px/1.4 system-ui,sans-serif; cursor:pointer; }
.fs-maintenance-notice button[hidden] { display:none; }
.fs-maintenance-screen { margin:0; min-height:100vh; display:grid; place-items:center; background:#f4f7f7; color:#14383d; font:18px/1.6 system-ui,sans-serif; }
.fs-maintenance-screen main { box-sizing:border-box; width:min(92%,650px); padding:32px; background:white; border:1px solid #d4e0e1; border-top:5px solid #167c77; border-radius:12px; }
.fs-maintenance-screen h1 { font-size:clamp(26px,5vw,36px); line-height:1.2; margin:12px 0; }
.fs-maintenance-screen button { min-height:44px; padding:10px 18px; border:1px solid #167c77; border-radius:6px; background:#14383d; color:#fff; font:600 17px system-ui,sans-serif; cursor:pointer; }
@media(max-width:600px) { .fs-maintenance-notice { padding:12px 16px; } .fs-maintenance-screen main { padding:24px; } }