:root { color-scheme: dark; background: #071015; }
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { color: #e8f2ef; background: radial-gradient(circle at 50% 28%, #15363a 0, #0b1b21 32%, #071015 70%); font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.shield-shell { position: relative; min-height: 100vh; display: grid; place-items: center; overflow: hidden; padding: 24px; }
.shield-grain { position: absolute; inset: 0; opacity: .08; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E"); }
.shield-orbit { position: absolute; width: min(72vw, 760px); aspect-ratio: 1; border: 1px solid rgba(151,214,202,.08); border-radius: 50%; animation: shield-spin 24s linear infinite; }
.shield-orbit::before { content: ""; position: absolute; inset: 13%; border: 1px solid rgba(151,214,202,.07); border-radius: 50%; }
.shield-orbit i, .shield-orbit b { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #9dd9cf; box-shadow: 0 0 18px #79c0b4; }
.shield-orbit i { top: 16%; left: 18%; } .shield-orbit b { right: 7%; bottom: 35%; opacity: .45; }
.shield-card { position: relative; z-index: 1; width: min(480px, 100%); padding: 40px 42px 28px; border: 1px solid rgba(157,217,207,.19); border-radius: 30px; background: linear-gradient(145deg, rgba(13,31,36,.93), rgba(6,16,22,.97)); box-shadow: 0 34px 110px rgba(0,0,0,.45), inset 0 1px rgba(255,255,255,.04); backdrop-filter: blur(22px); }
.shield-brand { display: flex; align-items: center; gap: 10px; margin: 0 0 42px; color: #a8d9d1; font: 600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .19em; }
.shield-brand i { width: 22px; height: 22px; border: 1px solid rgba(168,217,209,.55); border-radius: 50%; box-shadow: inset 7px 0 rgba(168,217,209,.13); }
.shield-kicker { color: rgba(164,210,201,.48); font: 500 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .18em; }
h1 { margin: 13px 0 12px; font: 500 clamp(28px, 6vw, 38px)/1.2 "Noto Serif SC", Georgia, serif; letter-spacing: -.035em; }
.shield-copy { margin: 0 0 26px; color: rgba(220,236,232,.55); font-size: 14px; line-height: 1.75; }
.shield-widget { min-height: 65px; display: grid; place-items: center; }
.shield-status { min-height: 20px; margin: 14px 0 0; color: rgba(220,236,232,.43); text-align: center; font-size: 12px; line-height: 1.6; }
.shield-status[data-error="true"] { color: #efaaa3; }
.shield-retry { display: block; margin: 12px auto 0; min-height: 38px; padding: 0 16px; border: 1px solid rgba(157,217,207,.22); border-radius: 10px; color: #dfeeea; background: rgba(157,217,207,.07); cursor: pointer; }
.shield-retry[hidden] { display: none; }
footer { display: flex; justify-content: space-between; margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.06); color: rgba(194,220,215,.28); font: 500 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
@keyframes shield-spin { to { transform: rotate(360deg); } }
@media (max-width: 600px) { .shield-shell { padding: 12px; } .shield-card { padding: 34px 24px 24px; border-radius: 24px; } .shield-brand { margin-bottom: 34px; } }
@media (prefers-reduced-motion: reduce) { .shield-orbit { animation: none; } }