:root { color-scheme: light; font-family: Inter, "PingFang SC", system-ui, sans-serif; color: #172033; background: #f4f7fb; }
* { box-sizing: border-box; }
body { margin: 0; }
.shell { width: min(720px, calc(100% - 32px)); margin: 44px auto; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 16px; }
.card { background: #fff; border: 1px solid #e6eaf2; border-radius: 18px; padding: 24px; box-shadow: 0 8px 30px #24416a0d; margin-bottom: 16px; }
.auth-card { max-width: 460px; margin: 12vh auto; }
h1, h2, p { margin-top: 0; } h1 { font-size: clamp(26px, 7vw, 34px); margin-bottom: 8px; } h2 { font-size: 19px; }
.eyebrow { color: #155eef; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.muted { color: #667085; line-height: 1.55; }
label { display: grid; gap: 7px; font-size: 14px; font-weight: 600; margin: 16px 0; }
input, select, button, textarea { font: inherit; border-radius: 10px; min-height: 44px; }
input, select, textarea { border: 1px solid #d0d5dd; padding: 10px 12px; background: #fff; width: 100%; }
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
button { background: #155eef; color: #fff; border: 0; padding: 0 16px; font-weight: 700; cursor: pointer; margin: 6px 8px 0 0; }
button.secondary { background: #eef4ff; color: #155eef; }
.message { min-height: 22px; color: #475467; font-size: 14px; margin: 14px 0 0; }
.results { display: grid; gap: 8px; margin-top: 16px; }
.result { display: flex; justify-content: space-between; padding: 12px; border-radius: 10px; background: #f8faff; }
.copy-row { display: flex; gap: 8px; } .copy-row button { margin: 0; white-space: nowrap; }
.card-line { display: flex; align-items: center; gap: 10px; margin-top: 14px; } code { overflow-wrap: anywhere; color: #344054; }
@media (max-width: 480px) { .shell { width: min(100% - 20px, 720px); margin: 20px auto; } .card { padding: 18px; border-radius: 14px; } header { align-items: flex-start; } }