:root{color-scheme:light;--color-text:#1e293b;--color-muted:#475569;--color-primary:#4f46e5;--color-primary-dark:#4338ca;--color-bg:#f8fafc;--color-surface:#ffffff;--color-border:#e2e8f0;--color-ok:#15803d;--color-ok-bg:#dcfce7;--color-warn:#b45309;--color-warn-bg:#fef3c7;--color-danger:#b91c1c;--color-danger-bg:#fee2e2;--radius:8px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;color:var(--color-text);background:var(--color-bg)}a{color:var(--color-primary)}.landing{max-width:40rem;margin:4rem auto;padding:0 1.5rem}.landing h1{font-size:2rem;margin:0 0 .5rem}.landing p{color:var(--color-muted)}.shell{min-height:100vh;display:flex;flex-direction:column}.shell-header{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;padding:.75rem 1.5rem;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.shell-brand{font-weight:700;letter-spacing:-.01em;color:var(--color-text);text-decoration:none}.shell-nav{display:flex;gap:.25rem;flex:1 1}.shell-nav a{padding:.35rem .7rem;border-radius:var(--radius);text-decoration:none;color:var(--color-muted)}.shell-nav a:hover{background:var(--color-bg)}.shell-nav a[aria-current=page]{background:var(--color-bg);color:var(--color-text);font-weight:600}.shell-user{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--color-muted)}.shell-main{flex:1 1;width:100%;max-width:64rem;margin:0 auto;padding:2rem 1.5rem 4rem}.page-title{font-size:1.4rem;margin:0 0 .25rem}.page-lead{color:var(--color-muted);margin:0 0 1.5rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.25rem}.card h2{font-size:1rem;margin:0 0 .75rem}.card-note{color:var(--color-muted);font-size:.875rem;margin:.5rem 0 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.5rem;color:var(--color-text);font-size:1.05rem}.btn{display:inline-block;border:1px solid var(--color-primary);background:var(--color-primary);color:#fff;border-radius:var(--radius);padding:.45rem .9rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn:hover:not(:disabled){background:var(--color-primary-dark);border-color:var(--color-primary-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg);border-color:var(--color-border)}.field{display:block;margin-bottom:1rem}.field>span{display:block;font-size:.8rem;font-weight:600;margin-bottom:.3rem}.field input[type=email],.field input[type=password],.field input[type=text],.field input[type=url],.field select{width:100%;padding:.45rem .6rem;font:inherit;color:inherit;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.checkbox-grid{display:flex;flex-wrap:wrap;gap:.5rem 1rem}.checkbox-grid label{display:inline-flex;align-items:center;gap:.35rem;font-size:.9rem}.form-actions{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.notice{border-radius:var(--radius);padding:.6rem .8rem;font-size:.875rem;margin-bottom:1rem}.notice-error{background:var(--color-danger-bg);color:var(--color-danger)}.notice-ok{background:var(--color-ok-bg);color:var(--color-ok)}.notice-info{background:var(--color-bg);color:var(--color-muted);border:1px solid var(--color-border)}.meter{position:relative;height:8px;width:8rem;border-radius:999px;background:var(--color-border);overflow:hidden}.meter>span{display:block;height:100%;background:var(--color-primary)}.muted{color:var(--color-muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}.stack{display:flex;flex-direction:column;gap:.35rem}.auth-page{max-width:24rem;margin:5rem auto;padding:0 1.5rem}.scan-page{max-width:44rem;margin:4rem auto;padding:0 1.5rem}.stat-row{display:flex;flex-wrap:wrap;gap:2rem;margin:0}.stat-row div{min-width:8rem}.stat-row dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.stat-row dd{margin:.15rem 0 0;font-size:1.25rem;font-weight:600}