:root { color-scheme: dark; font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #090c12; color: #eef2f8; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 0%, #17233b 0, #090c12 48%); }
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: max(32px, env(safe-area-inset-top)) 0 max(32px, env(safe-area-inset-bottom)); }
header { padding: 28px 4px 22px; }
.eyebrow { margin: 0 0 10px; color: #7fb3ff; font: 700 12px/1.2 ui-monospace, monospace; letter-spacing: .12em; }
h1 { margin: 0; font-size: clamp(32px, 7vw, 52px); letter-spacing: -.04em; }
h2 { margin: 0 0 8px; font-size: 19px; }
p { line-height: 1.55; }
.lede { color: #b7c1d2; max-width: 620px; }
.card { margin: 16px 0; padding: 22px; border: 1px solid #29344a; border-radius: 18px; background: rgba(18, 24, 36, .88); box-shadow: 0 18px 60px rgba(0, 0, 0, .26); }
.home-card { border-color: #3565a7; background: linear-gradient(145deg, rgba(20, 40, 70, .96), rgba(18, 24, 36, .92)); }
.home-card button { margin-top: 18px; }
.muted { color: #aeb8c8; }
.status-row { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; }
.status-row p { margin: 0; color: #aeb8c8; }
.badge { flex: 0 0 auto; padding: 6px 9px; border-radius: 999px; font: 700 12px/1 ui-monospace, monospace; }
.badge.pending { background: #43351a; color: #ffd071; }
.badge.pass { background: #123d2c; color: #7ef0b5; }
.badge.fail { background: #4a1e26; color: #ff9baa; }
dl { margin: 22px 0; border-top: 1px solid #29344a; }
dl div { display: grid; grid-template-columns: minmax(120px, 1fr) 2fr; gap: 18px; padding: 12px 0; border-bottom: 1px solid #29344a; }
dt { color: #8f9bad; } dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
button { appearance: none; width: 100%; padding: 13px 16px; border: 0; border-radius: 12px; background: #2d72e8; color: white; font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { background: #343b48; color: #7f8998; cursor: not-allowed; }
select { width: 100%; margin: .45rem 0; padding: .7rem; color: inherit; background: #111722; border: 1px solid #35405a; border-radius: .55rem; }
.confirm-line { display: flex; align-items: center; gap: .55rem; margin: .7rem 0; }
.confirm-line input { width: auto; }
label { display: block; margin: 16px 0; color: #aeb8c8; }
label span { display: block; margin-bottom: 8px; }
textarea { width: 100%; resize: vertical; border: 1px solid #35425a; border-radius: 10px; padding: 12px; background: #080b10; color: #dce7f9; font: 12px/1.45 ui-monospace, monospace; }
.sas-panel { margin: 18px 0; padding: 18px; border: 1px solid #3565a7; border-radius: 14px; text-align: center; background: #101d32; }
.sas-panel span { display: block; color: #aeb8c8; }
.sas-panel strong { display: block; margin: 10px 0 16px; font: 800 34px/1 ui-monospace, monospace; letter-spacing: .08em; }
.pairing-qr { margin: 18px 0; padding: 18px; border: 1px solid #3565a7; border-radius: 14px; text-align: center; background: #101d32; }
.pairing-qr img { display: block; width: min(78vw, 380px); aspect-ratio: 1; margin: 0 auto 12px; image-rendering: pixelated; background: #fff; border-radius: 12px; }
.pairing-qr p { margin: 0; }
.manual-pairing { margin: 16px 0; color: #aeb8c8; }
.manual-pairing summary { cursor: pointer; }
.diagnostic-only { display: none; }
pre { display: none; margin: 16px 0 0; padding: 14px; border-radius: 10px; background: #07090d; color: #b8c9e8; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
pre:not(:empty) { display: block; }