:root { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #16324f; background: #f3f6fa; }
* { box-sizing: border-box; }
body { margin: 0; }
.maintenance-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #f3f6fa; color: #16324f; }
.maintenance-card { width: min(100%, 480px); padding: 36px; background: #fff; border: 1px solid #dce4ed; border-radius: 20px; box-shadow: 0 16px 48px #16324f12; }
.maintenance-mark { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, #16324f, #2e86ab); color: white; font-weight: 800; letter-spacing: .04em; }
.maintenance-brand { margin: 24px 0 8px; font-weight: 700; font-size: .9rem; }
.maintenance-card h1 { margin: 0 0 20px; font-size: 1.8rem; line-height: 1.2; }
.maintenance-card p { line-height: 1.6; overflow-wrap: anywhere; }
.maintenance-hint { font-size: .9rem; color: #5e6f82; }
.maintenance-card button { min-height: 44px; margin-top: 12px; border: 0; border-radius: 10px; padding: 12px 20px; font: inherit; font-weight: 700; color: #fff; background: #16324f; cursor: pointer; }
.maintenance-card button:disabled { opacity: .6; cursor: wait; }
.maintenance-card button:focus-visible { outline: 3px solid #2e86ab; outline-offset: 3px; }
@media (max-width: 480px) { .maintenance-card { padding: 28px 24px; } .maintenance-card button { width: 100%; } }