:root {
  --shell-background: var(--background);
  --shell-surface: var(--surface);
  --shell-foreground: var(--foreground);
  --shell-muted: var(--muted);
  --shell-border: var(--border);
  --shell-accent: var(--accent);
  color-scheme: light;
  --background: #fff;
  --surface: #f5f5f5;
  --foreground: #000;
  --muted: #666;
  --border: #ddd;
  --accent: #000;
font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased
}
@media (prefers-color-scheme: dark) {
:root {
  color-scheme: dark;
  --background: #000;
  --surface: #111;
  --foreground: #fff;
  --muted: #aaa;
  --border: #333;
  --accent: #fff;
}
}
*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--foreground)}.account-main{width:100%;max-width:680px;margin:24px auto 64px;padding:0 28px}.preview-header,.row,.identity,.keys li{display:flex;align-items:center;justify-content:space-between;gap:16px}.preview-header{max-width:680px;width:100%;margin:0 auto;padding:20px 28px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:600;text-decoration:none;letter-spacing:-.04em}.brand svg{width:24px;height:24px}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}.preview,.muted{font-size:13px;color:var(--muted)}.preview{text-align:right}.identity{font-size:13px;margin-bottom:20px;flex-wrap:wrap;color:var(--muted)}h1{font-size:30px;font-weight:600;letter-spacing:-.05em;line-height:1.25;margin:0 0 12px}h2{font-size:16px;font-weight:500;margin:0}section{border-top:1px solid var(--border);padding:24px 0;margin-top:24px}.welcome{border:0;margin-top:0;padding:0}.welcome p{color:var(--muted);margin-bottom:24px}.welcome .button{min-width:180px}p{margin:12px 0}.muted:last-child{margin-bottom:0}button,.button,select{font:inherit;font-size:13px;border:1px solid var(--border);border-radius:8px;padding:9px 14px;background:transparent;color:var(--foreground);cursor:pointer;text-decoration:none;display:inline-block}button:hover{background:var(--surface)}button:disabled{opacity:.5;cursor:not-allowed}.button{background:var(--foreground);color:var(--background);border-color:var(--foreground)}.button:hover{opacity:.85;color:var(--background)}.text-button{border:0;padding:4px 0;background:transparent}.text-button:hover{text-decoration:underline;background:transparent}.danger{color:var(--foreground);text-decoration:underline}form{margin:0}.usage{font-size:14px;color:var(--muted)}.usage strong{font-size:32px;font-weight:500;letter-spacing:-.05em;color:var(--foreground)}.tag{font-size:12px;padding:3px 9px;border:1px solid var(--border);border-radius:6px}.keys{list-style:none;padding:0;margin:16px 0}.keys li{padding:12px 0;border-bottom:1px solid var(--border)}code{font:12px ui-monospace,SFMono-Regular,Menlo,monospace}.upgrade{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px}.upgrade label{font-size:13px}.upgrade select{max-width:100%;background:var(--surface)}.new-key{padding:20px;background:var(--surface);border:1px solid var(--accent);border-radius:10px;margin:24px 0}textarea{font:13px ui-monospace,SFMono-Regular,monospace;width:100%;padding:12px;border:1px solid var(--border);border-radius:6px;resize:none;color:var(--foreground);background:var(--background);overflow-wrap:anywhere}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:480px){.account-main{margin:20px auto 48px;padding:0 20px}.upgrade{align-items:stretch;flex-direction:column}.upgrade button{width:100%}.row{gap:8px}h1{font-size:28px}}

body { min-height: 100vh; display: flex; flex-direction: column; }
body > main { flex: 1; }