:root{--bg: #f3f4f6;--surface: #ffffff;--surface-2: #f9fafb;--border: #e5e7eb;--border-strong: #d1d5db;--text: #111827;--muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--primary-weak: #eef2ff;--danger: #dc2626;--danger-weak: #fef2f2;--success: #047857;--success-weak: #ecfdf5;--ring: rgba(79, 70, 229, .25);--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .05);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--radius: 14px;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{max-width:960px;margin:0 auto}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:#ffffffd9;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--primary)}.brand:before{content:"🏅 "}.brand:hover{text-decoration:none}.header-right{display:flex;align-items:center;gap:12px}.who{color:var(--muted);font-size:12px;display:none}@media (min-width: 560px){.who{display:inline}}.dev-switch{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:4px 6px 4px 12px;box-shadow:var(--shadow-sm)}.dev-switch select{border:0;background:var(--primary-weak);color:var(--primary);font-weight:600;border-radius:999px;padding:6px 10px;width:auto;cursor:pointer}.app-main{padding:24px 20px 64px}h1{font-size:24px;font-weight:700;letter-spacing:-.02em;margin:4px 0 20px}h2{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:4px 0 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var(--border);border-radius:var(--radius);padding:20px;margin-top:20px;display:grid;gap:12px;box-shadow:var(--shadow-sm)}.panel h2{margin:0 0 4px}.subpanel{display:grid;gap:10px;padding:14px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px}label{display:grid;gap:6px;font-size:13px;font-weight:500;color:var(--muted)}label.checkbox,label.radio{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:400;font-size:14px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;cursor:pointer}label.radio:hover,label.checkbox:hover{background:var(--surface-2)}label.checkbox input,label.radio input{width:auto;accent-color:var(--primary)}.radio-list{display:grid;gap:8px}input,select,textarea{background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:10px;padding:10px 12px;font:inherit;width:100%;transition:border-color .12s ease,box-shadow .12s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--ring)}textarea{resize:vertical;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:13px}button,.btn{background:var(--primary);color:#fff;border:1px solid transparent;border-radius:10px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;display:inline-block;text-align:center;box-shadow:var(--shadow-sm);transition:background .12s ease,transform .05s ease;justify-self:start}button:hover,.btn:hover{background:var(--primary-hover);text-decoration:none}button:active,.btn:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:default;box-shadow:none}.btn-sm{padding:6px 12px;font-size:13px;background:var(--surface);color:var(--danger);border:1px solid var(--border-strong);box-shadow:none}.btn-sm:hover{background:var(--danger-weak);border-color:var(--danger)}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 20px}.button-row .btn{background:var(--surface);color:var(--primary);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm)}.button-row .btn:hover{background:var(--primary-weak);border-color:var(--primary)}.muted{color:var(--muted)}.error{color:var(--danger);background:var(--danger-weak);border:1px solid #fecaca;border-radius:10px;padding:10px 14px;font-size:14px}.notice{color:var(--success);background:var(--success-weak);border:1px solid #a7f3d0;border-radius:10px;padding:10px 14px;font-size:14px}.table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}.table th,.table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.04em}.table tr:last-child td{border-bottom:0}.center-screen{min-height:100dvh;display:grid;place-items:center;padding:24px}