:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #18202b; background: #f4f6f8; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 1180px; margin: 0 auto; padding: 30px 24px 44px; }
header { max-width: 840px; margin-bottom: 24px; }
.eyebrow { color: #586575; font-size: .8rem; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; }
h1 { font-size: 1.8rem; margin: 8px 0 12px; letter-spacing: -.025em; }
h2 { font-size: 1rem; margin: 0 0 10px; }
p { line-height: 1.5; }
.limits { color: #465467; }
.controls { border: 1px solid #d5dde5; background: #fff; border-radius: 8px; padding: 16px; margin-bottom: 22px; }
.control-row { display: flex; align-items: end; gap: 12px; flex-wrap: wrap; }
label { display: block; font-weight: 600; font-size: .9rem; }
input, select { display: block; font: inherit; color: inherit; background: #fff; border: 1px solid #9ba9b8; border-radius: 5px; margin-top: 6px; padding: 8px 10px; min-width: 190px; height: 40px; }
button { height: 40px; border: 1px solid #243e62; border-radius: 5px; background: #243e62; color: #fff; padding: 0 16px; font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
#probe-retry { background: #fff; color: #243e62; }
:focus-visible { outline: 3px solid #517daf; outline-offset: 3px; }
.hint { font-size: .8rem; color: #566477; margin: 10px 0 0; overflow-wrap: anywhere; }
#probe-status { font-size: .9rem; margin: 12px 0 0; }
.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
textarea, pre { font: .82rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; tab-size: 4; }
textarea { width: 100%; min-height: 390px; resize: vertical; border: 1px solid #c4ced9; border-radius: 6px; padding: 14px; background: #fff; color: #18202b; }
pre { margin: 0; padding: 14px; border: 1px solid #c4ced9; border-radius: 6px; overflow: auto; background: #fff; white-space: pre; }
#probe-output { min-height: 390px; max-height: 700px; }
#probe-download-go { margin-bottom: 10px; }
#probe-download-status { margin: 0 0 10px; }
#probe-download-response { margin-top: 10px; }
#probe-download-status.error { color: #922d25; }
.diagnostics { margin-top: 22px; }
#probe-error { min-height: 46px; white-space: pre-wrap; overflow-wrap: anywhere; color: #922d25; }
details { margin-top: 20px; border: 1px solid #d5dde5; border-radius: 6px; padding: 14px; background: #fff; }
summary { cursor: pointer; font-weight: 600; font-size: .9rem; }
#probe-report { margin-top: 12px; max-height: 440px; background: #f8fafc; }
dl { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 8px 14px; margin: 14px 0 0; font-size: .8rem; }
dt { color: #566477; }
dd { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; }
@media (max-width: 760px) { main { padding: 22px 16px 32px; } .panes { grid-template-columns: 1fr; } .control-row label { flex: 1; } input, select { width: 100%; } dl { grid-template-columns: 1fr; gap: 4px; } dd { margin-bottom: 8px; } textarea, #probe-output { min-height: 300px; } }