:root{--bg:#f4f6f9;--surface:#ffffff;--border:#e2e6ec;--text:#1a2230;--muted:#66707e;--primary:#2b59e0;--primary-dark:#1f45b8;--success:#1a8f57;--success-bg:#e6f5ec;--warn:#a86a00;--warn-bg:#fbf1dd;--danger:#c33636;--danger-bg:#fbe6e6;--radius:10px;--shadow:0 1px 3px rgba(20,30,50,0.08),0 6px 20px rgba(20,30,50,0.05)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:980px}.container,.container-narrow{margin:0 auto;padding:24px 20px 64px}.container-narrow{max-width:560px}.container-wide{max-width:1200px;margin:0 auto;padding:24px 20px 64px}.topnav{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.topnav .brand{font-weight:700;font-size:18px;letter-spacing:-.02em}.topnav .brand span{color:var(--primary)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card+.card{margin-top:16px}h1{font-size:24px;letter-spacing:-.02em;margin:0 0 4px}h2{font-size:18px;margin:0 0 12px}.subtitle{color:var(--muted);margin:0 0 20px}.label,label{display:block;font-weight:600;font-size:13px;margin:0 0 6px;color:#2a3444}.input,input[type=email],input[type=password],input[type=text],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;background:#fff;color:var(--text)}.input:focus,input:focus,textarea:focus{outline:2px solid rgba(43,89,224,.25);border-color:var(--primary)}.field{margin-bottom:16px}.hint{color:var(--muted);font-size:13px;margin-top:6px}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:10px 16px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:15px;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:#f7f9fc;text-decoration:none}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-lg{padding:13px 22px;font-size:16px}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}.badge-gray{background:#eef1f5;color:#5a6472}.badge-blue{background:#e7edfd;color:var(--primary-dark)}.badge-green{background:var(--success-bg);color:var(--success)}.badge-amber{background:var(--warn-bg);color:var(--warn)}.badge-red{background:var(--danger-bg);color:var(--danger)}.alert{padding:12px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.alert-error{background:var(--danger-bg);color:var(--danger)}.alert-warn{background:var(--warn-bg);color:var(--warn)}.alert-info{background:#e7edfd;color:var(--primary-dark)}.alert-success{background:var(--success-bg);color:var(--success)}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;word-break:break-all}.row,.row-between{display:flex;gap:12px;align-items:center}.row-between{justify-content:space-between}.stack>*+*{margin-top:12px}.spacer{flex:1 1}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:none}.copy-box{display:flex;gap:8px;align-items:center;background:#f7f9fc;border:1px solid var(--border);border-radius:8px;padding:8px 10px}.copy-box .mono{flex:1 1}