:root { color-scheme: dark; font-family: Arial, Helvetica, sans-serif; background: #2e3841; color: #fff; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; min-height: 85vh; display: grid; place-items: center; padding: 4rem 1.5rem; }
.notice { text-align: center; max-width: 42rem; }
h1 { display: inline-block; margin: 0; border-top: 2px solid #dce0e2; border-bottom: 2px solid #dce0e2; padding: 1.1rem 1.6rem; font-size: clamp(1.3rem, 5vw, 1.8rem); font-weight: 800; letter-spacing: .22em; text-transform: uppercase; line-height: 1.5; }
.status { margin: 2rem 0; text-transform: uppercase; letter-spacing: .25em; font-size: 1rem; }
.detail { margin: 2.5rem 0 0; color: #dce0e2; font-size: .95rem; line-height: 1.8; }
footer { padding: 2rem 1.5rem; background: #273039; color: #c8cdd1; text-align: center; font-size: .75rem; line-height: 1.8; }