:root{color-scheme:dark;--step--1: .875rem;--step-0: 1rem;--step-1: 1.125rem;--step-2: 1.375rem;--step-3: 1.75rem;--bg: #0d1014;--bg2: #12161c;--bg3: #171d25;--line: #232b36;--line2: #2e3846;--fg: #e4e9f0;--fg2: #9aa7b8;--fg3: #6b7889;--acc: #5b9dff;--ok: #3ecf8e;--warn: #f0b429;--err: #ff6b6b;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html{font-size:16px}body{margin:0;min-height:100vh;background:var(--bg);color:var(--fg);font:var(--step-0) / 1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--acc);text-decoration:none}.dim{color:var(--fg3)}.err{color:var(--err);font-size:var(--step-0);margin:0}.btn{padding:11px 18px;border-radius:9px;border:1px solid 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