:root{--text:#111827;--muted:#6b7280;--bg:#fff;--soft:#f9fafb;--card:#fff;--border:#e5e7eb;--border-strong:#d1d5db;--focus:#93c5fd;--shadow:0 10px 30px #1118270f;--sans:Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", system-ui, sans-serif;font:16px/1.45 var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:radial-gradient(circle at top left, #3b82f60f, transparent 34rem), var(--bg);min-width:320px;min-height:100svh;margin:0}*{box-sizing:border-box}button,input,select,textarea{font:inherit}button,select,input,textarea{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:12px}button,select,input{min-height:42px}button{cursor:pointer;justify-content:center;align-items:center;padding:0 14px;font-weight:700;display:inline-flex}button:disabled{cursor:not-allowed;opacity:.45}input,select,textarea{width:100%;padding:10px 12px}textarea{line-height:1.45}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.app{width:min(960px,100% - 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